ANNEXURE - nerldc.orgnerldc.org/Docs/webupload/ANNEXURE OF NER REACTIVE POWER M… · moose/aac sr...
Transcript of ANNEXURE - nerldc.orgnerldc.org/Docs/webupload/ANNEXURE OF NER REACTIVE POWER M… · moose/aac sr...
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 2 of 68
Annexure I: Fault levels of major substation in NER
Bus
September'17 Off Peak September'17 Peak
3 ϕ Fault Current in kA 3 ϕ Fault MVA
3 ϕ Fault Current in
kA 3 ϕ Fault MVA
400 kV Substations
Azara (Mirza) 6.87 4760 6.90 4783
Balipara 7.82 5417 8.00 5541
BgTPP 14.35 9942 14.49 10042
BiswanthChariali 6.93 4798 7.10 4919
Bongaigaon 14.68 10173 14.84 10279
Byrnihat 6.69 4634 6.78 4699
Misa 6.63 4596 6.75 4674
Palatana 7.47 5174 7.48 5182
Ranganadi 4.52 3129 4.69 3246
Silchar 7.07 4899 7.11 4923
220 kV Substations
Agia 7.79 2969 7.81 2977
AGBPP (Kathalguri) 5.97 2276 5.98 2280
Azara (Mirza) 9.21 3509 9.24 3522
Balipara 8.82 3362 8.94 3405
Boko 5.88 2240 5.89 2245
BTPS 12.74 4854 12.79 4874
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 3 of 68
Byrnihat 9.99 3807 10.24 3903
Dimapur (PG) 4.73 1801 4.76 1815
Kopili 9.40 3581 9.48 3611
Langpi 3.35 1277 3.36 1279
Mariani (AS) 5.38 2051 5.40 2057
Mariani (PG) 3.70 1411 3.72 1417
Misa 13.52 5151 13.73 5231
Mokokchung(PG) 3.13 1194 3.15 1199
NTPS 4.46 1701 4.47 1703
Samaguri 10.74 4094 10.87 4141
Salakati 12.91 4921 12.97 4941
Sarusajai 5.85 2230 5.87 2238
Tinsukia 5.36 2041 5.36 2044
132 kV Substations
Agartala 10.45 2388 10.45 2389
AGTCCPP 9.63 2202 9.64 2203
Aizawl 2.73 623 2.73 624
Badarpur 10.68 2442 10.71 2449
Balipara 6.53 1493 6.57 1501
Dimapur (PG) 6.17 1410 6.24 1426
Doyang 3.61 825 3.64 831
Haflong 2.79 637 2.79 638
Imphal (PG) 4.73 1081 4.73 1083
Jiribam (PG) 4.55 1041 4.56 1043
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 4 of 68
Fault level at important Sub-Stations of NER
Khandong 7.67 1755 7.73 1768
Khlierihat (PG) 8.53 1951 8.65 1977
Kumarghat 6.08 1389 6.08 1390
Loktak 4.58 1047 4.58 1048
Monarchak 8.00 1829 8.00 1830
Nirjuli 4.50 1029 4.61 1055
Silchar 12.48 2854 12.52 2863
Surjamaninagar 9.43 2156 9.43 2157
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 5 of 68
Annexure II: List of Lines in North Eastern Region List 1: 400kV Line Details of North Eastern Region
SR. NO
. FROM TO UTILITY KM CKT
CONDUCTOR
1 BALIPARA MISA POWERGRID 95.4 1
ACSR MOOSE/AAC
SR
2 BALIPARA MISA POWERGRID 95.4 2
ACSR MOOSE/AAC
SR
3 BALIPARA
BISWANATH CHARIALI
POWERGRID 65 1 ACSR TWIN
MOOSE
4 BALIPARA
BISWANATH CHARIALI
POWERGRID 65 2 ACSR TWIN
MOOSE
5 BALIPARA
BISWANATH CHARIALI
POWERGRID 57 3 ACSR TWIN
MOOSE
6 BALIPARA
BISWANATH CHARIALI
POWERGRID 57 4 ACSR TWIN
MOOSE
7 RANGANADI
BISWANATH CHARIALI
POWERGRID 204 1
ACSR TWIN MOOSE
8 RANGANADI
BISWANATH CHARIALI
POWERGRID 204 2
ACSR TWIN MOOSE
9 BONGAIGAON
BALIPARA POWERGRID 289.
8 1
ACSR TWIN MOOSE
10 BONGAIGAON
BALIPARA POWERGRID 289.
8 2
ACSR TWIN MOOSE
11 BONGAIGAON
BALIPARA POWERGRID 305.
0 3
AAAC QUAD MOOSE
12 BONGAIGAON
BALIPARA POWERGRID 305.
0 4
AAAC QUAD MOOSE
13 BONGAIGAON
BTPS POWERGRID 3.1 1 TWIN
MOOSE
14 BONGAIGAON
BTPS POWERGRID 3.1 2 TWIN
MOOSE
15 BONGAIGAON
NEW SILIGURI
POWERGRID 218 1 ACSR TWIN
MOOSE
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 6 of 68
(BINAGURI)
16
BONGAIGAON
NEW SILIGURI (BINAGURI)
POWERGRID 218 2 ACSR TWIN
MOOSE
17 BONGAIGAON
ALIPURDUAR POWERGRID 106 1 AAAC QUAD
MOOSE
18 BONGAIGAON
ALIPURDUAR POWERGRID 106 2 AAAC QUAD
MOOSE
19 BYRNIHAT SILCHAR NETCL
217.14
1 ACSR TWIN
MOOSE
20 PALLATANA SILCHAR NETCL 246 1
ACSR TWIN MOOSE
21 PALLATANA SILCHAR NETCL 246 2
ACSR TWIN MOOSE
22 AZARA SILCHAR NETCL 264 1
ACSR TWIN MOOSE
23 AZARA BANGAIGAON NETCL 118 1
ACSR TWIN MOOSE
24 BYRNIHAT BANGAIGAON NETCL 167 1
ACSR TWIN MOOSE
List 2: 400kV line ( Charged at 220kV ) details of North Eastern Region SR
. NO
.
FROM TO UTILITY KM CKT CONDUCTOR
1 MARIANI KATHALGURI
POWERGRID 162.9 1 ACSR TWIN
MOOSE
2 MISA NEW MARIANI
POWERGRID 222.7 1 ACSR TWIN
MOOSE
3 MISA MARIANI POWERGRID 220.0 1 ACSR TWIN
MOOSE
4 NEW MARIANI
KATHALGURI
POWERGRID 160.5 1 ACSR TWIN
MOOSE
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 7 of 68
List 3: 400kV line (Charged at 132kV) in North Eastern Region
SR. NO
. FROM TO UTILITY KM CK
T CONDUCTOR
1 PALATANA SURJAMANINAGAR
POWERGRID 37 1 ACSR TWIN
MOOSE
2 SILCHAR IMPHAL POWERGRID 166.5 1 ACSR TWIN
MOOSE
3 SILCHAR IMPHAL POWERGRID 166.5 2 ACSR TWIN
MOOSE
4 SILCHAR PK-BARI POWERGRID 127.2 1 ACSR TWIN
MOOSE
5 SILCHAR PK-BARI POWERGRID 127.2 2 ACSR TWIN
MOOSE List 4 : 220 kV Line details of North Eastern Region SR
. NO
.
FROM TO UTILITY KM CKT CONDUCTOR
1 AGIA AZARA AEGCL 107 1 AAAC ZEBRA 2 AGIA BOKO AEGCL 70.0 1 AAAC ZEBRA 3 AGIA BTPS AEGCL 67.0 1 AAAC ZEBRA 4 AGIA BTPS AEGCL 67.0 2 AAAC ZEBRA 5 AZARA BOKO AEGCL 38 1 AAAC ZEBRA
6 AZARA
SARUSAJAI
AEGCL 24 1 AAAC ZEBRA
7 AZARA
SARUSAJAI
AEGCL 24 2 AAAC ZEBRA
8 BALIPARA SONABIL
AEGCL/POWERGRID
10 1 ACSR ZEBRA
9 SONABIL SAMAGURI AEGCL 56 1 ACSR ZEBRA 9 BONGAIGA
ON SALAKATI POWERGRID 5.4 1 SINGLE ZEBRA
10 DEOMALI
KATHALGURI
ARUNACHAL PRADESH
19.0 1 SINGLE ZEBRA
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 8 of 68
11 KATHALGU
RI TINSUKIA AEGCL 22.0 1
SINGLE ZEBRA
12 KATHALGURI
TINSUKIA AEGCL 22.0 2 SINGLE ZEBRA
13 MISA DIMAPUR POWERGRID
121.9
1 ACSR ZEBRA
14 MISA DIMAPUR POWERGRID
121.9
2 ACSR ZEBRA
15 MISA KOPILI POWERGRID 72.8 1 ACSR ZEBRA 16 MISA KOPILI POWERGRID 72.8 2 ACSR ZEBRA 17 MISA KOPILI POWERGRID 75.9 3 AAAC ZEBRA 18
MISA BYRNIHAT MeECL 115.
0 1 SINGLE ZEBRA
19 MISA BYRNIHAT MeECL
115.0
2 SINGLE ZEBRA
20 NTPS TINSUKIA AEGCL 40.0 1 SINGLE ZEBRA 21 NTPS TINSUKIA AEGCL 40.0 2 SINGLE ZEBRA 22
SALAKATI ALIPURDUAR
POWERGRID 100.
6 1 ACSR ZEBRA
23 SALAKATI
ALIPURDUAR
POWERGRID 100.
6 2 ACSR ZEBRA
24 SALAKATI BTPS AEGCL 2.7 1 ACSR ZEBRA 25 SALAKATI BTPS POWERGRID 2.7 2 ACSR ZEBRA 26
SAMAGURI JAWAHARNAGAR
AEGCL 120 1 AAAC ZEBRA
27 SAMAGURI MARIANI AEGCL
164.0
1 AAAC DEER
28 SAMAGURI MISA POWERGRID 34.4 1 ACSR ZEBRA 29 SAMAGURI MISA POWERGRID 34.4 2 ACSR ZEBRA 30
SARUSAJAI JAWAHARNAGAR
AEGCL 10 1 AAAC ZEBRA
31 SARUSAJAI LANGPI AEGCL
108.0
1 AAAC ZEBRA
32 SARUSAJAI SAMAGURI AEGCL
124.0
2 AAAC ZEBRA
33 MARIANI (PG)
MOKOKCHUNG (PG)
POWERGRID 48.8 1
ACSR ZEBRA
34 MARIANI MOKOKCH POWERGRID 48.8 2 ACSR ZEBRA
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 9 of 68
(PG) UNG (PG) 35 KATHALGU
RI MARIANI(PG)
POWERGRID 160.5
1 ACSR TWIN MOOSE
36 KATHALGURI
MARIANI(AS)
POWERGRID 162.9
1 ACSR TWIN MOOSE
37 MISA MARIANI(PG)
POWERGRID 222.7
1 ACSR TWIN MOOSE
38 MISA MARIANI(AS)
POWERGRID 220.0
1 ACSR TWIN MOOSE
List 5:132kV Line details of Powergrid in North Eastern Region
SR. NO.
FROM TO UTILITY KM CKT
CONDUCTOR
1 AIZWAL KOLASIB
POWERGRID
66.1 1 AAAC
PANTHER
2 AIZWAL MELRIAT
POWERGRID
6.7 1 ACSR PANTHER
3 MELRIAT ZUANGTUI
POWERGRID
10.2 1 ACSR PANTHER
4 BADARPUR JIRIBAM
POWERGRID
67.2 1 AAAC
PANTHER
5 BADARPUR KUMARGHAT
POWERGRID
118.5 1 AAAC
PANTHER
6 BADARPUR PANCHGRAM
POWERGRID
1.0 1 AAAC
PANTHER
7 BADARPUR KOLASIB
POWERGRID
172.3 1 ACSR PANTHER
8 BADARPUR SILCHAR
POWERGRID
19 1 ACSR PANTHER
9 BADARPUR SILCHAR
POWERGRID
19 2 ACSR PANTHER
10 DIMAPUR DOYANG
POWERGRID
92.5 1 ACSR PANTHER
11 DIMAPUR DOYANG
POWERGRID
92.5 2 ACSR PANTHER
12 HAFLONG JIRIBAM
POWERGRID
100.0
1 ACSR PANTHER
13 IMPHAL IMPHAL POWERGRI 1.5 1 ACSR PANTHER
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 10 of 68
(MANIPUR) D
14 IMPHAL DIMAPUR
POWERGRID
168.9 1 ACSR PANTHER
15 JIRIBAM AIZWAL
POWERGRID
170.0 1 ACSR PANTHER
16 JIRIBAM LOKTAK
POWERGRID
82.4 2 ACSR PANTHER
17 UMRANSHU HAFLONG
POWERGRID/ASSAM
8.2 1 ACSR PANTHER
18 KHANDONG UMRANSHU
POWERGRID/ASSAM
11.4 1 ACSR PANTHER
19 KHANDONG KOPILI
POWERGRID
10.9 1 ACSR PANTHER
20 KHANDONG KOPILI
POWERGRID
10.9 2 ACSR ZEBRA
21 KHLEIHRIAT KHANDONG
POWERGRID
42.5 1 ACSR PANTHER
22 KHLEIHRIAT KHANDONG
POWERGRID
40.9 2 ACSR PANTHER
23 KHLEIHRIAT BADARPUR
POWERGRID
76.6 1 ACSR PANTHER
24 KHLEIHRIAT
KHLEIHRIAT (MeECL)
POWERGRID
5.5 1 ACSR PANTHER
25 KUMARGHAT AIZWAL
POWERGRID
131.0 1 ACSR PANTHER
26 KUMARGHAT R C NAGAR
POWERGRID
104.0
1 ACSR PANTHER
27 LEKHI NIRJULI
POWERGRID, DoP,AP
4 1 ACSR PANTHER
28 LOKTAK IMPHAL
POWERGRID
35.0 1 ACSR PANTHER
29 NIRJULI GOHPUR
POWERGRID
42.5 1 ACSR PANTHER
30 PALLATANA
SURAJMANI NAGAR
PoWERGRI
D 37 1 ACSR PANTHER
31 PANCHGRAM BADARPUR
POWERGRID
1.0 1 AAAC
PANTHER 32
R C NAGAR AGARTALA POWERGRI
D 8.4 1 ACSR PANTHER
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 11 of 68
33 R C NAGAR AGARTALA
POWERGRID
8.4 2 ACSR PANTHER
34 RANGANADI LEKHI
POWERGRID, DoP,AP
18 3 ACSR PANTHER
35 RANGANADI ZIRO
POWERGRID
44.5 1 ACSR PANTHER
36 RANGIA MOTONGA
POWERGRID
49 1 ACSR PANTHER
37 SALAKATI
GELYPHU (BHUTAN)
POWERGRID
49.2 1 ACSR PANTHER
38 SILCHAR SRIKONA
POWERGRID
1 1 ACSR PANTHER
39 SILCHAR SRIKONA
POWERGRID
1 2 AAAC
PANTHER 40 MOKOCHUNG
(PG) MOKOKCHUNG (NAGALAND)
POWERGRID
1.4 1 ACSR Zebra
41 MOKOCHUNG (PG)
MOKOKCHUNG (NAGALAND)
POWERGRID
1.4 2 ACSR Zebra
42 BISWANATH CHARIALI
(PG)
BISWANATH CHARIALI (AEGCL)
POWERGRID
12.9 1 ACSR PANTHER
43 BISWANATH CHARIALI
(PG)
BISWANATH CHARIALI (AEGCL)
POWERGRID
12.9 2 ACSR PANTHER
44 PASIGHAT ROING
POWERGRID
70 1 ACSR PANTHER
45 ROING TEJU
POWERGRID
60 1 ACSR PANTHER
46 TEJU NAMSAI
POWERGRID
90 1 ACSR PANTHER
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 12 of 68
List 6: : 132kV Lines details of NEEPCO in North Eastern Region
SR. NO.
FROM TO UTILITY
KM CKT CONDUCTOR
1 BALIPARA BHALUKPANG NEEPC
O 35 1
ACSR PANTHER
2 BHALUKPANG KHUPI NEEPC
O 32 1
ACSR PANTHER
3 KHUPI KIMI NEEPC
O 8 1
ACSR PANTHER
List 7:132kV Line details of AEGCL in North Eastern
SR. NO.
FROM TO UTILITY
KM CKT
CONDUCTOR
1 B CHARIALI GOHPUR AEGCL 51.0 1 ACSR PANTHER 2 BALIPARA DEPOTA AEGCL 28.0 1 ACSR PANTHER
3 BALIPARA GOHPUR AEGCL
106.0
1 SINGLE ZEBRA
4 BOKAJAN DIMAPUR AEGCL 5.0 1 ACSR PANTHER 5 BORNAGAR RANGIA AEGCL 86.0 1 ACSR PANTHER 6 CTPS JAGIROAD AEGCL 35.0 1 ACSR PANTHER 7 DEPOTA B CHARIALI AEGCL 57.0 1 ACSR PANTHER 8 DEPOTA SAMAGURI AEGCL 45.0 1 ACSR PANTHER 9 DHALIGAON BTPS AEGCL 22.0 1 ACSR PANTHER
10 DHALIGAON BTPS AEGCL 22.0 2 ACSR PANTHER
11 DHALIGAON NALBARI AEGCL
106.0
1 ACSR PANTHER
12 DHALIGAON BORNAGAR AEGCL 41.0 1 ACSR PANTHER
13 DHALIGAON
ASHOK PAPER MILL
AEGCL 37.0 1 ACSR PANTHER
14 DHALIGAON BRPL AEGCL 1.0 1 ACSR PANTHER 15 DIBRUGARH MORAN AEGCL 36.0 1 ACSR PANTHER
16 DIPHU
SANKARDEV NGR
AEGCL 72.0 1 ACSR PANTHER
17 DISPUR CTPS AEGCL 29.0 1 ACSR PANTHER 18 GOHPUR N LAKHIMPUR AEGCL 77.0 1 ACSR PANTHER 19 GOHPUR N LAKHIMPUR AEGCL 77.0 1 ACSR PANTHER 20 GOLAGHAT BOKAJAN AEGCL 65.0 1 ACSR PANTHER 21 GOSAIGAON DHALIGAON AEGCL 65.0 1 ACSR PANTHER
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 13 of 68
22 GOSAIGAON GAURIPUR AEGCL 62.0 1 ACSR PANTHER 23 HAFLONG HAFLONG AEGCL 1.0 1 ACSR PANTHER 24 JAGIROAD HPC AEGCL 5.0 1 ACSR PANTHER 25 JIRIBAM PAILAPOOL AEGCL 15.0 1 ACSR PANTHER 26 JORHAT BOKAKHAT AEGCL 89.0 1 ACSR PANTHER 27 KAHELIPARA NARENGI AEGCL 12.0 1 ACSR PANTHER 28 KAHELIPARA SARUSAJAI AEGCL 4.0 1 ACSR PANTHER 29 KAHELIPARA SARUSAJAI AEGCL 4.0 2 ACSR PANTHER 30 KAHELIPARA SARUSAJAI AEGCL 4.0 3 ACSR PANTHER 31 KAHELIPARA SARUSAJAI AEGCL 4.0 4 ACSR PANTHER 32 KAHELIPARA DISPUR AEGCL 3.0 1 ACSR PANTHER 33 LANKA DIPHU AEGCL 71.6 1 ACSR PANTHER 34 LTPS NTPS AEGCL 60.0 1 ACSR PANTHER 35 LTPS NTPS AEGCL 60.0 2 ACSR PANTHER 36 LTPS NAZIRA AEGCL 22.0 1 ACSR PANTHER 37 LTPS NAZIRA AEGCL 22.0 2 ACSR PANTHER 38 LTPS MARIANI AEGCL 80.0 1 ACSR PANTHER 39 LTPS MORAN AEGCL 39.0 1 ACSR PANTHER 40 MARIANI JORHAT AEGCL 20.0 1 ACSR PANTHER 41 MARIANI JORHAT AEGCL 20.0 2 ACSR PANTHER 42 MARIANI GOLAGHAT AEGCL 45.0 1 ACSR PANTHER 43 MOKOKCHUNG MARIANI AEGCL 19.0 1 ACSR PANTHER 44 N LAKHIMPUR DHEMAJI AEGCL 63.0 1 ACSR PANTHER 45 NALBARI RANGIA AEGCL 22.0 1 ACSR PANTHER 46 NARENGI CTPS AEGCL 20.0 1 ACSR PANTHER 47 NAZIRA SIBSAGAR AEGCL 13.0 1 ACSR PANTHER 48 PANCHGRAM SRIKONA AEGCL 19.0 1 ACSR PANTHER 49 PANCHGRAM SILCHAR AEGCL 30.0 1 ACSR PANTHER 50 RANGIA SISUGRAM AEGCL 33.0 1 ACSR PANTHER 51 RANGIA SIPAJHAR AEGCL 38.0 1 ACSR PANTHER 52 RANGIA KAHELIPARA AEGCL 46.0 1 ACSR PANTHER 53
RANGIA ROWTA AEGCL 108.
0 1
ACSR PANTHER
54 ROWTA DEPOTA AEGCL 72.0 1 ACSR PANTHER 55 ROWTA DEPOTA AEGCL 64.0 2 ACSR PANTHER 56
SAMAGURI SANKARDEV NGR
AEGCL 61.0 1 ACSR PANTHER
57 SILCHAR
DULLAVCHERRA
AEGCL 50.0 1 ACSR PANTHER
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 14 of 68
List 8: 132kV Line details of Manipur in North Eastern Region
SR. NO.
FROM TO UTILITY KM CKT
CONDUCTOR
1 CHURACHANDPUR KAKCHING MANIPUR 38.0 1 ACSR PANTHER 2 IMPHAL IMPHAL(PG) MANIPUR 2.3 2 ACSR PANTHER 3 IMPHAL (MANIPUR) KARONG MANIPUR 60.0 1 ACSR PANTHER 4 KAKCHING KONGBA MANIPUR 45.0 1 ACSR PANTHER 5 KONGBA YAINGANGPOKPI MANIPUR 33.0 1 ACSR PANTHER 6 LOKTAK NINGTHOUKONG MANIPUR 20.0 1 ACSR PANTHER 7 LOKTAK RENGPANG MANIPUR 42.0 1 ACSR PANTHER 8 NINGTHOUKONG CHURACHANDPUR MANIPUR 23.0 1 ACSR PANTHER 9 NINGTHOUKONG CHURACHANDPUR MANIPUR 23.0 2 ACSR PANTHER 10 NINGTHOUKONG IMPHAL(PG) MANIPUR 26.2 1 ACSR PANTHER 11 RENGPANG JIRIBAM MANIPUR 40.4 1 ACSR PANTHER 12 YAINGANGPOKPI IMPHAL MANIPUR MANIPUR 42.0 1 ACSR PANTHER
List 9: 132kV Line details of TSECL in North Eastern region
58 SIPAJHAR ROWTA AEGCL 44.0 1 ACSR PANTHER 59 SISUGRAM KAHELIPARA AEGCL 12.0 1 ACSR PANTHER 60 SRIKONA PAILAPOOL AEGCL 35.0 1 ACSR PANTHER 61 TINSUKIA LEDO AEGCL 53.0 1 ACSR PANTHER 62 TINSUKIA DIBRUGARH AEGCL 53.0 1 ACSR PANTHER 63 TINSUKIA NTPS AEGCL 43.0 1 ACSR PANTHER 64 Silchar Halaknandi AEGCL 27.0 1 ACSR PANTHER 65 Halaknandi Dullavcherra AEGCL 34.0 1 ACSR PANTHER 66
Balipara Sonabil AEGCL 10.0 1 AAAC PANTHER
67 Bilashipara Gauripur AEGCL 38.0 1 ACSR PANTHER 68 Bilashipara kokrajhar AEGCL 24.0 1 ACSR PANTHER 69 BTPS kokrajhar AEGCL 10.0 1 ACSR PANTHER
SR. NO. FROM TO
UTILITY KM CKT CONDUCTOR
1 AGARTALA BODHJ NGR TSECL 8.0 1 ACSR PANTHER 2 AGARTALA ROKHIA TSECL 35.0 1 ACSR PANTHER 3 AGARTALA ROKHIA TSECL 35.0 2 ACSR PANTHER
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 15 of 68
List 10: 132kV Line details of Nagaland in North Eastern Region
4 BARAMURA GAMAITILLA TSECL 14.0 1 ACSR PANTHER 5 BODHJ NGR JIRANIA TSECL 7.0 1 ACSR PANTHER 6 DHALABIL AGARTALA TSECL 45.0 1 ACSR PANTHER 7 GAMAITILLA AMBASA TSECL 25.0 1 ACSR PANTHER 8 JIRANIA BARAMURA TSECL 15.0 1 ACSR PANTHER 9 KAMALPUR DHALABIL TSECL 32.0 1 ACSR PANTHER 10 P K BARI KAILASHOR TSECL 18.0 1 ACSR PANTHER 11 P K BARI KUMARGHAT TSECL 1.0 1 ACSR PANTHER 12 P K BARI AMBASA TSECL 45.0 1 ACSR PANTHER 13 P K BARI KAMALPUR TSECL 31.0 1 ACSR PANTHER 14 P K BARI DHARMA NAGAR TSECL 35.0 1 ACSR PANTHER 15 PALLATANA UDAIPUR TSECL 6 1 ACSR PANTHER 16 ROKHIA UDAIPUR TSECL 40.0 1 ACSR PANTHER 17 SURAJMANINAGAR BUDHJANGNAGAR TSECL 18.3 1 ACSR PANTHER 18 SURAJMANINAGAR BUDHJANGNAGAR TSECL 18.3 2 ACSR PANTHER 19 AMBASA KAMALPUR TSECL 31 1 ACSR PANTHER 20 RABINDRANAGAR MONARCHAK TSECL 3 1 ACSR PANTHER 21 MONARCHAK ROKHIA TSECL 29 1 ACSR PANTHER 22 MONARCHAK UDAIPUR TSECL 41 1 ACSR PANTHER
SR. NO.
FROM TO UTILITY KM CKT
CONDUCTOR
1 DIMAPUR DIMAPUR (PGCIL)
NAGALAND 1 1 ACSR PANTHER
2 DIMAPUR DIMAPUR NAGALAND 1 2 ACSR PANTHER
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 16 of 68
List 11: 132kV Line details of Mizoram in North eastern region
SR. NO. FROM TO UTILITY KM
CKT CONDUCTOR
1 ZUANGTUI SAITUAL MIZORAM 50.0 1 ACSR PANTHER 2 SERCHIP ZUANGTUI MIZORAM 54.0 1 ACSR PANTHER 3 LUNGLEI SERCHIP MIZORAM 69.0 1 ACSR PANTHER 4 AIZWAL LUANGMUAL MIZORAM 6.7 1 ACSR PANTHER 5 BHAIRABI KOLASIB MIZORAM 30.0 1 ACSR PANTHER
List 12: 132kV Line details of MeECL in North Eastern Region
(PGCIL) 3 DOYANG MOKOKCHUNG NAGALAND 30 1 ACSR PANTHER 4 KOHIMA MELURI NAGALAND 74 1 ACSR PANTHER
5 KOHIMA DIMAPUR (PGCIL)
NAGALAND 58 1 ACSR PANTHER
6 KOHIMA WOKHA NAGALAND 58 1 ACSR PANTHER 7 MELURI KIPHIRI NAGALAND 42 1 ACSR PANTHER 8 WOKHA DOYANG NAGALAND 13 1 ACSR PANTHER 9 MARIANI MOKOKCHONG NAGALAND 50 1 ACSR PANTHER
SR. NO.
FROM TO UTILITY KM CKT
CONDUCTOR
1 AGIA MENDIPATHAR MeECL 31.3 1 ACSR PANTHER
2 MENDIPATHAR
NAGALBIBRA MeECL
65.2 1 ACSR PANTHER
3 EPIP I
SHYAM CENTURY
MeECL 0.15 1
ACSR PANTHER
4 EPIP I MAITHAN MeECL 0.2 1 ACSR PANTHER 5 EPIP I SAI PRAKASH MeECL 4.0 1 ACSR PANTHER 6 EPIP I GREYSTONE MeECL 0.7 1 ACSR PANTHER 7 EPIP II EPIP I MeECL 2.5 1 ACSR PANTHER 8 EPIP II EPIP I MeECL 2.5 2 ACSR PANTHER 9 EPIP II KILLING MeECL 10.0 1 ACSR PANTHER
10 EPIP II KILLING MeECL 10.0 2 ACSR PANTHER 11 EPIP II TRISHUL MeECL 0.2 1 ACSR PANTHER 12 EPIP II NALARI MeECL 0.2 1 ACSR PANTHER
13 KHLEIHRIAT MeECL
LUMSHNONG MeECL 24.0 1 ACSR PANTHER
14 KHLEIHRIAT LESHKA MeECL 26.0 1 ACSR PANTHER
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 17 of 68
MeECL
15 KHLEIHRIAT MeECL
LESHKA MeECL
26.0 2 ACSR PANTHER
16 KHLEIHRIAT MeECL
KHLEIHRIAT MeECL 5.0 2 ACSR PANTHER
17 LUMSHNONG CMCL MeECL 0.16 1 ACSR PANTHER 18 LUMSHNONG MCL MeECL 3.0 1 ACSR PANTHER
19 LUMSHNONG
ADHUNIK CEMENT
MeECL 8.0 1
ACSR PANTHER
20 LUMSHNONG HILL CEMENT MeECL 8.0 1 ACSR PANTHER 21 LUMSHNONG JUD CEMENT MeECL 2.0 1 ACSR PANTHER 22 LUMSHNONG GVIL CEMENT MeECL 2.0 1 ACSR PANTHER 23 MAWLAI CHEERAPUNJI MeECL 41.0 1 ACSR PANTHER 24 MAWLAI NONGSTOIN MeECL 71.3 1 ACSR PANTHER 25 MAWLAI NEHU MeECL 9.2 1 ACSR PANTHER
26 NANGALBIBRA
TURA MeECL 68.7 1 ACSR PANTHER
27 NEHU NEIGHRIMS MeECL 7.0 1 ACSR PANTHER
28 NEHU
KHLEIHRIAT MeECL
MeECL 52.6 1 ACSR PANTHER
29 NEIGHRIMS
KHLEIHRIAT MeECL
MeECL 64.8 1 ACSR PANTHER
30 NONGSTOIN NANGALBIBRA MeECL 56.0 1 ACSR PANTHER 31 UMIUM NEHU MeECL 7.0 1 ACSR PANTHER 32 UMIUM ST I UMIUM ST II MeECL 3.0 1 ACSR PANTHER 33 UMIUM ST I MAWLAI MeECL 12.0 1 ACSR PANTHER 34 UMIUM ST I UMIUM MeECL 5.0 1 ACSR PANTHER 35 UMIUM ST I MAWNGAP MeECL 33 1 ACSR PANTHER 36 UMIUM ST I MAWNGAP MeECL 33 2 ACSR PANTHER 37 UMIUM ST III UMIUM ST I MeECL 17.5 1 ACSR PANTHER 38 UMIUM ST III UMIUM ST I MeECL 17.5 2 ACSR PANTHER 39 UMIUM ST IV UMIUM ST III MeECL 8.0 1 ACSR PANTHER 40 UMIUM ST IV UMIUM ST III MeECL 8.0 2 ACSR PANTHER 41 UMTRU UMIUM ST III MeECL 41.2 1 ACSR PANTHER 42 UMTRU UMIUM ST III MeECL 41.2 2 ACSR PANTHER 43 UMTRU UMIUM ST IV MeECL 37.6 1 ACSR PANTHER 44 UMTRU UMIUM ST IV MeECL 37.6 2 ACSR PANTHER 45 UMTRU EPIP II MeECL 0.7 1 ACSR PANTHER 46 UMTRU EPIP II MeECL 0.7 2 ACSR PANTHER
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 18 of 68
List 13: 132kV Line details of AP in North eastern Region
SR. NO.
FROM TO UTILITY KM CKT
CONDUCTOR
1 AGBPP DEOMALI AP 19 1 ACSR ZEBRA 2 DAPORIJO ALONG AP 81.7 1 ACSR PANTHER 3 HOZ CHIPMHU AP 30 1 ACSR PANTHER 4 LEKHI HOZ AP 18 1 ACSR PANTHER 5 ZIRO DAPORIJO AP 87.2 1 ACSR PANTHER 6 ALONG PASIGHAT AP 77 1 ACSR PANTHER
List 14: 66kV Line Details of North Eastern region
SR. NO.
FROM TO UTILITY KM CKT CONDUCTOR
1 AGIA LAKHIPUR AEGCL 34.0 1 ACSR WOLF 2 AMARPUR GUMTI TSECL 30.0 1 ACSR WOLF 3 BADARGHAT ROKHIA TSECL 24.0 1 ACSR WOLF 4 BADARGHAT AGARTALA TSECL 8.0 1 ACSR WOLF 5 BAGAFA SATCHAND TSECL 36.0 1 ACSR WOLF 6 BAGAFA UDAIPUR TSECL 29.0 1 ACSR WOLF 7 BARAMURA TELIAMURA TSECL 8.0 1 ACSR WOLF 8 BELONIA BAGAFA TSECL 15.0 1 ACSR WOLF 9 BOKAJAN DIPHU AEGCL 39.0 1 ACSR WOLF
10 DIMAPUR POWER HOUSE NAGALAND 4.0 1 ACSR WOLF
11 DIMAPUR SINGRIJAN NAGALAND 5.4 1 ACSR WOLF 12 DIMAPUR SINGRIJAN NAGALAND 5.4 2 ACSR WOLF 13 DULLAVCHERRA PATHARKANDI AEGCL .... 1 ACSR WOLF 14 FCI NTPS AEGCL 3.0 1 ACSR WOLF 15 FCI NTPS AEGCL 3.0 2 ACSR WOLF 16 GOKULNAGAR BADARGHAT TSECL 12.0 1 ACSR WOLF 17 GOLAGHAT BOKAJAN AEGCL 64.0 1 ACSR WOLF 18 GOLAGHAT BOKAJAN AEGCL 64.0 2 ACSR WOLF 19 GUMTI UDAIPUR TSECL 45.0 1 ACSR WOLF
47 EPIP I
MEGHA CARBIDES
MeECL 0.3 1 ACSR PANTHER
48 MAWLAI MAWNGAP I MeECL 2 1 ACSR PANTHER
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 19 of 68
20 KHIPHIRE LIKHIMRO NAGALAND 35.0 1 ACSR WOLF 21 KHIPHIRE LIKHIMRO NAGALAND 35.0 2 ACSR WOLF 22 KOLASIB VAIRENGTE MIZORAM 35.0 1 ACSR WOLF 23 MARIANI GOLAGHAT AEGCL 40.0 1 ACSR WOLF 24 MARIANI GOLAGHAT AEGCL 40.0 2 ACSR WOLF 25 MARIANI NAZIRA AEGCL 54.0 1 ACSR WOLF 26 MARIANI NAZIRA AEGCL 54.0 2 ACSR WOLF 27 MOKOKCHUNG ZUNHEBOTO NAGALAND 46.0 1 ACSR WOLF 28 MOKOKCHUNG TULI NAGALAND 56.3 1 ACSR WOLF 29 MOKOKCHUNG TUENSANG NAGALAND 50.4 1 ACSR WOLF 30 NAGINIMORA TIZIT NAGALAND 44.0 1 ACSR WOLF 31 NAZIRA NTPS AEGCL 74.0 1 ACSR WOLF 32 NAZIRA NTPS AEGCL 74.0 2 ACSR WOLF 33 NITO FARM DAIRY FARM NAGALAND 12.0 1 ACSR WOLF 34 PATHARKANDI ADAMTILLA AEGCL .... 1 ACSR WOLF 35 POWER HOUSE DAIRY FARM NAGALAND 5.0 1 ACSR WOLF
36 RABINDRA NAGAR
BELONIA TSECL 38.0 1 ACSR WOLF
37 ROKHIA RABINDRA NAGAR
TSECL 23.0 1 ACSR WOLF
38 SATCHAND SABROOM TSECL 15.0 1 ACSR WOLF
39 SINGRIJAN GANESH NAGAR
NAGALAND 21.4 1 ACSR WOLF
40 SINGRIJAN CHUMUKIDIMA NAGALAND 7.9 1 ACSR WOLF 41 TELIAMURA AMARPUR TSECL 35.0 1 ACSR WOLF 42 TINSUKIA RUPAI AEGCL 25.0 1 ACSR WOLF 43 TINSUKIA NTPS AEGCL 36.0 1 ACSR WOLF 44 TINSUKIA NTPS AEGCL 36.0 2 ACSR WOLF 45 TIZIT MON NAGALAND 31.0 1 ACSR WOLF 46 TUENSANG KHIPHIRE NAGALAND 55.7 1 ACSR WOLF 47 TULI NAGINIMORA NAGALAND 33.0 1 ACSR WOLF 48 UDAIPUR GOKULNAGAR TSECL 31.0 1 ACSR WOLF
List 15: Shunt Compensated Lines in North Eastern Region
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 20 of 68
SR. NO.
FROM(End 1) TO(End 2) UTILITY KM CKT End 1 End 2
1 BONGAIGAON BALIPARA POWERGRID 289.9 1 50 63 2 BONGAIGAON BALIPARA POWERGRID 289.9 2 50 63 3 BONGAIGAON BALIPARA POWERGRID 305 3 63 63 4 BONGAIGAON BALIPARA POWERGRID 305 4 63 63
5 MISA
NEW MARIANI
POWERGRID 382.9 1 50 NIL
6 MISA MARIANI POWERGRID 220 1 50 NIL 7 PALLATANA SILCHAR NETCL 247 1 63 50 8 PALLATANA SILCHAR NETCL 247 2 63 50
9 RANGANADI
BISWANATH CHARALI
POWERGRID 204 1 50 NIL
10 RANGANADI
BISWANATH CHARALI
POWERGRID 204 2 50 NIL
11 BALIPARA
BISWANATH CHARALI
POWERGRID 65 1 50 NIL
12 BALIPARA
BISWANATH CHARALI
POWERGRID 65 2 50 NIL
13 SILCHAR AZARA NETCL 264 1 63 63 14 BANGAIGAON AZARA NETCL 118 1 63 NIL 15 SILCHAR BYRNIHAT NETCL 217.1 1 63 63 16 BANGAIGAON BYRNIHAT NETCL 167 1 63 NIL
List 16: Shunt Compensated Inter-Regional Lines in North Eastern Region
SR. NO.
FROM(End 1) TO(End 2) UTILITY KM CKT End 1 End 2
1 BONGAIGAON BINAGURI
(ER) POWERGRID 218 1 63 NIL
2 BONGAIGAON BINAGURI
(ER) POWERGRID 218 2 63 NIL
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 21 of 68
List 17: Inter State Line details of North Eastern Region
SR. NO
.
CONNECTING STATES
OWNED BY
FROM TO KV
KM CKTS
CONDUCTO
R
1 ARUNACHAL – ASSAM
POWERGRID RANGANADI
BISWANTHCHARALI
400 204 D/C ACSR TWIN
MOOSE ARUNACHAL PRADESH
DEOMALI KATHALGURI
220 19.0 S/C ACSR
ZEBRA
NEEPCO KHUPI BALIPARA 132 67.2 S/C ACSR
PANTHER
POWERGRID NIRJULI GOHPUR 132 42.5 S/C ACSR
PANTHER
2 ASSAM – MEGHALAYA
POWERGRID BADARPUR
KHLIEHRIET
132 76.6 S/C ACSR
PANTHER
POWERGRID KHANDONG
KHLIEHRIET
132 42.5 D/C ACSR
PANTHER
AEGCL & MeECL
PANCHGRAM
LUMSHNONG
132 23.4 S/C ACSR
PANTHER
AEGCL & MeECL
SARASUJAI
UMTRU 132 37.0 D/C ACSR
PANTHER
AEGCL & MeECL
AGIA MENDIPATHAR
132 31.3 S/C
ACSR PANTHE
R
POWERGRID MISA KILLING 220 115 D/C SINGLE ZEBRA
AEGCL & MeECL
KAHILIPARA
UMTRU 132 9.0 D/C ACSR
PANTHER
3
ASSAM - NAGALAND
POWERGRID MISA DIMAPUR 220 123.5 D/C ACSR
ZEBRA
AEGCL & NAGALAND
MARIANI MOKOKCHUNG
132 50.0 S/C ACSR
PANTHER
AEGCL BOKAJAN DIMAPUR 132 5.0 S/C ACSR
PANTHER
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 22 of 68
POWERGRID MARIANI MOKOKCHONG
220 48.8 D/C ACSR
ZEBRA AEGCL & NAGALAND
BOKAJAN DIMAPUR 66 8.0 S/C ACSR WOLF
ASSAM – TRIPURA
AEGCL & TRIPURA
DULLAVCHERRA
DHARMANAGAR
132 29.0 S/C ACSR PANTHER
POWERGRID SILCHAR PK-BARI 400 127.2 D/C ACSR TWIN MOOSE
POWERGRID BADARPUR
KUMARAGHAT
132 118.5 S/C ACSR PANTHER
4 ASSAM – MANIPUR
POWERGRID BADARPUR
JIRIBAM 132 67.2 S/C ACSR PANTHER
POWERGRID HAFLONG JIRIBAM 132 100.6 S/C ACSR PANTHER
POWERGRID SILCHAR IMPHAL 400 140 D/C ACSR TWIN MOOSE
AEGCL PAILAPOOL
JIRIBAM 132 15.0 S/C ACSR PANTHER
5 ASSAM – MIZORAM
POWERGRID BADARPUR
KOLASIB 132 107.2 S/C ACSR PANTHER
6 MIZORAM – MANIPUR
POWERGRID AIZWAL JIRIBAM 132 172.3 S/C ACSR PANTHER
7 MIZORAM – TRIPURA
POWERGRID AIZWAL KUMARAGHAT
132 131.0 S/C ACSR PANTHER
8 NAGALAND – MANIPUR
POWERGRID DIMAPUR IMPHAL 132 168.9 S/C ACSR PANTHER
MANIPUR & NAGALAND
KOHIMA KARONG 132 50.0 S/C ACSR PANTHER
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 23 of 68
Annexure III: List of ICTs in North Eastern Region List 1: ICTS details of POWERGRID in North Eastern Region
SL. NO.
SUBSTATION AGENCY ICT NO.
MVA KV
RATIO MAKE TT NT
STEP
PT %AGE
KV
1 BALIPARA POWERGRID 01 315 400/220 /33 kV
TELK 17 9 1.25 5 9
2 BALIPARA POWERGRID 02 315 400/220 /33 kV
17 9 1.25 5 9
3 BONGAIGAON POWERGRID 01 315 400/220 /33 kV
TELK 17 9 1.25 5 12
4 SILCHAR POWERGRID 01 200 400/132
kV CGL 17 9 1.25 5 9B
5 SILCHAR POWERGRID 02 200 400/132
kV CGL 17 9 1.25 5 9B
6 MISA POWERGRID 01 315 400/220 /33 kV
TELK 17 9 1.25 5 05
7 MISA POWERGRID 02 315 400/220
kV CGL 17 9 1.25 5 05
8 DIMAPUR POWERGRID 01 100 220/132
kV TELK 17 9 1.25 2.75 12
9 DIMAPUR POWERGRID 02 100 220/132
kV ALSTOM 17 9 1.25 2.75 12
10 NIRJULI POWERGRID 01 50 132 /33
kV ….
17 9 1.25 1.65 09
11 NIRJULI POWERGRID 02 50 132 /33
kV ….
5 3 1.25 1.65 03
12 SALAKATI POWERGRID 01 50 220/132
kV NGEF 17 13 1.25 2.75 13
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 24 of 68
List 2: ICTs details of NEEPCO in North Eastern Region
SL. SUBSTATION AGENCY ICT MVA KV RATIO MAKE TT NT STEP PT
13 SALAKATI POWERGRID 02 50 220/132
kV EMCO 17 13 1.25 2.75 16
14 ZIRO POWERGRID 01 15 132 /33
kV AREVA
/ALSTOM 17 9 1.25 1.65 02
15 KOPILI POWERGRID 01 160 220/132
kV ….
17
9 1.25. 2.75 9
16 IMPHAL POWERGRID 01 50 132/33
kV
….
….
….
….
….
….
17 IMPHAL POWERGRID 02 50 132/33
kV
….
….
….
….
….
….
18 MOKOKCHUNG POWERGRID 01 30 220/132
kV …. 13 9 1.25 2.75 6
19 MOKOKCHUNG POWERGRID 02 30 220/132
kV …. 13 9 1.25 2.75 6
20 BISWANATH
CHARIALI POWERGRID 01 200
400/132 kV
…. 17 9 1.25 5 8
21 BISWANATH
CHARIALI POWERGRID 02 200
400/132 kV
…. 17 9 1.25 5 8
22 ROING POWERGRID 01 15 132/33
kV …. …. …. …. …. ….
23 ROING POWERGRID 02 15 132/33
kV …. …. …. …. …. ….
24 TEJU POWERGRID 01 15 132/33
kV …. …. …. …. …. ….
25 TEJU POWERGRID 02 15 132/33
kV …. …. …. …. …. ….
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 25 of 68
NO. NO. %AGE KV
1 RHEP NEEPCO 01 7.5 132/33
KV …. …. …. …. …. 02
2 RHEP NEEPCO 02 7.5 132/33
KV …. …. …. …. …. 03
3 BALIPARA NEEPCO 01 50 220/132
KV …. 17 9 1.25 2.75 09
4 KOPILI NEEPCO 01 60 220/132
KV …. …. …. …. …. 09
5 RHEP NEEPCO 01 360 400/132
KV …. 17 9 2.5 10 9
6 RHEP NEEPCO 02 360 400/132
KV …. 17 9 2.5 10 09
List 3: ICTs details of NHPC in North Eastern Region
SL. NO.
SUBSTATION AGENCY ICT NO.
MVA KV
RATIO MAKE TT NT
STEP PT
%AGE KV
1 LOKTAK NHPC 01 5 132/33
KV …. …. …. …. …. 02
List 4: ICTs details of NTPC in North Eastern Region
SL. NO.
SUBSTATION AGENCY ICT NO.
MVA KV RATIO MAKE TT NT STEP
PT %AGE KV
1 BGTPP NTPC 02 315 400/220/33
KV BHEL 17 9 1.25 5 9
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 26 of 68
List 5: ICTs details of Arunachal Pradesh in North Eastern Region
List 6: ICTs details of AEGCL in North Eastern Region
SL. NO.
SUBSTATION AGENCY ICT NO.
MVA kV RATIO MAKE TT NT STEP
PT %AGE KV
1 AGIA AEGCL 01 50 220/132
kV …. 23 13 1.25 2.75 12
2 AGIA AEGCL 02 100 220/132
kV …. 17 9 1.25 2.75 11
SL. NO. SUBSTATION AGENCY ICT
NO. MVA KV RATIO MAKE TT NT
STEP PT
%AGE KV
1 ALONG ARUNACHAL
PRADESH 01 15
132/33 KV
…. …. …. …. …. 03
2 DAPORIJO ARUNACHAL
PRADESH 01 5
132/33 KV
…. …. …. …. …. 02
3 DAPORIJO ARUNACHAL
PRADESH 02 5
132/33 KV
…. …. …. …. …. 02
4 DEOMALI ARUNACHAL
PRADESH 01 33.3
220/
132 kV
ALSTOM
…. …. …. …. 09
5 DEOMALI ARUNACHAL
PRADESH 01 16
132/33 KV
…. …. …. …. …. 04
6 LEKHI ARUNACHAL
PRADESH 01 15
132/33 KV
…. …. …. …. …. 05
7 LEKHI ARUNACHAL
PRADESH 01 20
132/33 KV
…. …. …. …. …. 05
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 27 of 68
2 AGIA AEGCL 01 40 132/33 kV …. …. …. …. …. 05
3 AGIA AEGCL 01 12.5 132/33 kV …. …. …. …. …. 05
4 AZARA AEGCL 01 315 400/220 EMCO 17 9 1.25 5 08
5 AZARA AEGCL 02 315 400/220 EMCO 17 9 1.25 5 08
6 ASHOK PAPER MILL AEGCL 01 12.5 132/33 kV …. …. …. …. …. 05
7 ASHOK PAPER MILL AEGCL 01 16 132/33 kV …. …. …. …. …. 05
8 BAGHJHAP AEGCL 01 16 132/33 kV …. …. …. …. …. 05
9 BAGHJHAP AEGCL 02 16 132/33 kV …. …. …. …. …. 05
10 BALIPARA AEGCL 01 50160 220 /132
kV BHEL 17 9B …. …. 9B
11 BOKO AEGCL 01 100 220/132
kV CGL 17 13 …. …. 14
12 BOKO AEGCL 02 50 220/132
kV CGL 17 13 …. …. 15
13 B CHARIALI AEGCL 01 16 132/33 kV …. …. …. …. …. 17
14 B CHARIALI AEGCL 02 16 132/33 kV …. …. …. …. …. 17
15 BORNAGAR AEGCL 01 25 132/33 kV …. …. …. …. …. ….
16 BORNAGAR AEGCL 02 25 132/33 kV …. …. …. …. …. ….
17 BOKAKHAT AEGCL 01 16 132/33 kV …. …. …. …. …. ….
18 BOKAKHAT AEGCL 02 16 132/33 kV …. …. …. …. …. ….
19 BOKAJAN AEGCL 01 16 132/33 kV …. …. …. …. …. ….
20 BTPS AEGCL 01 10 132/33 kV …. …. …. …. …. ….
21 BTPS AEGCL 02 10 132/33 kV …. …. …. …. …. ….
22 BTPS AEGCL 01 80 220/132
kV …. 17 9 1.25 2.75 9
23 BTPS AEGCL 02 80 220/132
kV …. 17 9 1.25 2.75 9
24 BTPS AEGCL 03 160 220/132 …. 17 9 1.25 2.75 9
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 28 of 68
kV
25 CTPS AEGCL 01 16 132/33 kV …. …. …. …. …. ….
26 CTPS AEGCL 01 30 132/33 kV …. …. …. …. …. ….
27 DEPOTA AEGCL 01 31.5 132/33 kV …. …. …. …. …. 05
28 DEPOTA AEGCL 02 31.5 132/33 kV …. …. …. …. …. 05
29 DHALIGAON AEGCL 01 25 132/33 kV …. …. …. …. …. ….
30 DHALIGAON AEGCL 02 25 132/33 kV …. …. …. …. …. ….
31 DHEMAJI AEGCL 01 16 132/33 kV …. …. …. …. …. ….
32 DIPHU AEGCL 01 16 132/66 kV …. …. …. …. …. ….
33 DIPHU AEGCL 02 16 132/66 kV …. …. …. …. …. ….
34 DIBRUGARH AEGCL 01 31.5 132/33 kV …. …. …. …. …. 08
35 DIBRUGARH AEGCL 01 20 132/33 kV …. …. …. …. …. 08
36 DIBRUGARH AEGCL 02 20 132/33 kV …. …. …. …. …. 08
37 DISPUR AEGCL 01 16 132/33 kV …. …. …. …. …. ….
38 DISPUR AEGCL 02 16 132/33 kV …. …. …. …. …. ….
39 DULLAVCHERRA AEGCL 01 3.5 132/33 kV …. …. …. …. …. ….
40 DULLAVCHERRA AEGCL 02 3.5 132/33 kV …. …. …. …. …. ….
41 DULLAVCHERRA AEGCL 03 3.5 132/33 kV …. …. …. …. …. ….
42 DULLAVCHERRA AEGCL 04 3.5 132/33 kV …. …. …. …. …. ….
43 DULLAVCHERRA AEGCL 05 3.5 132/33 KV …. …. …. …. …. ….
44 DULLAVCHERRA AEGCL 06 3.5 132/33 KV …. …. …. …. …. ….
45 GAURIPUR AEGCL 01 10 132/33 kV …. …. …. …. …. ….
46 GAURIPUR AEGCL 02 10 132/33 KV …. …. …. …. …. ….
47 GOHPUR AEGCL 01 16 132/33 kV …. …. …. …. …. 05
48 GOHPUR AEGCL 01 10 132/33 kV …. …. …. …. …. 03
49 GOSSAIGAON AEGCL 01 16 132/33 kV …. …. …. …. …. ….
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 29 of 68
50 GOLAGHAT AEGCL 01 25 132/33 kV …. …. …. …. …. ….
51 GOLAGHAT AEGCL 02 25 132/33 kV …. …. …. …. …. ….
52 HAFLONG AEGCL 01 10 132/33 kV …. …. …. …. …. 05
53 HAFLONG AEGCL 02 10 132/33 kV …. …. …. …. …. 05
54 JORHAT AEGCL 01 25 132/33 KV …. …. …. …. …. ….
55 JORHAT AEGCL 01 16 132/33 kV …. …. …. …. …. ….
56 KAHELIPARA AEGCL 01 30 132/33 kV …. …. …. …. …. 05
57 KAHELIPARA AEGCL 02 30 132/33 kV …. …. …. …. …. 05
58 KAHELIPARA AEGCL 03 30 132/33 kV …. …. …. …. …. 06
59 KAHELIPARA AEGCL 01 10 132/33/11
kV …. …. …. …. …. 02
60 KAHELIPARA AEGCL 02 10 132/33/11
kV …. …. …. …. …. 02
61 LEDO AEGCL 01 10 132/33 kV …. …. …. …. …. 06
62 LEDO AEGCL 02 10 132/33 kV …. …. …. …. …. 06
63 LTPS AEGCL 01 7.5 132/33 kV …. …. …. …. …. ….
64 LTPS AEGCL 02 7.5 132/33 kV …. …. …. …. …. ….
65 MAJULI AEGCL 01 5.5 132/33 kV …. …. …. …. …. ….
66 MARIANI AEGCL 01 20 132/66 kV …. …. …. …. …. 06
67 MARIANI AEGCL 02 20 132/66 kV …. …. …. …. …. 06
68 MARIANI AEGCL 01 100 220/132
kV …. 17 9 1.25 2.75 13
69 MARIANI AEGCL 02 100 220/132
kV …. 17 9 1.25 2.75 13
70 MORAN AEGCL 01 16 132/33 KV …. …. …. …. …. ….
71 MORAN AEGCL 02 16 132/33 kV …. …. …. …. …. ….
72 NALBARI AEGCL 01 16 132/33 kV …. …. …. …. …. ….
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 30 of 68
73 NALBARI AEGCL 02 16 132/33 kV …. …. …. …. …. ….
74 NALKATA
(NORTH LAKHIMPUR) AEGCL 01 10 132/33 kV …. …. …. …. …. ….
75 NALKATA
(NORTH LAKHIMPUR) AEGCL 02 10 132/33 kV …. …. …. …. …. ….
76 NARENGI AEGCL 01 25 132/33 kV …. …. …. …. …. ….
77 NARENGI AEGCL 02 25 132/33 kV …. …. …. …. …. ….
78 NAZIRA AEGCL 01 25 132/33 kV …. …. …. …. …. 06
79 NTPS AEGCL 01 25 132/66 kV …. …. …. …. …. ….
80 NTPS AEGCL 02 25 132/66 kV …. …. …. …. …. ….
81 PAILAPOOL AEGCL 01 10 132/33 kV …. …. …. …. …. 05
82 PAILAPOOL AEGCL 02 10 132/33 kV …. …. …. …. …. 05
83 PAILAPOOL AEGCL 03 10 132/33 kV …. …. …. …. …. 05
84 PANCHGRAM AEGCL 01 16 132/33 kV …. …. …. …. …. 08
85 PANCHGRAM AEGCL 02 16 132/33 kV …. …. …. …. …. 08
86 PANCHGRAM AEGCL 01 10 132/33 kV …. …. …. …. …. 01
87 PANCHGRAM AEGCL 02 10 132/33 kV …. …. …. …. …. 03
88 PAVOI AEGCL 01 16 132/33 KV …. …. …. …. …. ….
89 PAVOI AEGCL 02 16 132/33 KV …. …. …. …. …. ….
90 RANGIA AEGCL 01 25 132/33 KV …. …. …. …. …. 03
91 RANGIA AEGCL 02 25 132/33 KV …. …. …. …. …. 03
92 ROWTA AEGCL 01 25 132/33 KV …. …. …. …. …. 03
93 ROWTA AEGCL 02 25 132/33 KV …. …. …. …. …. 03
94 S NAGAR AEGCL 01 16 132/33 KV …. …. …. …. …. 04
95 S NAGAR AEGCL 02 16 132/33 KV …. …. …. …. …. 05
96 SAMAGURI AEGCL 01 50 220/132 …. 17 9 1.25 2.75 12
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 31 of 68
kV
97 SAMAGURI AEGCL 02 50 220/132
kV …. 17 9 1.25 2.75 12
98 SAMAGURI AEGCL 03 50 220/132
kV …. 17 9 1.25 2.75 12
99 SAMAGURI AEGCL 01 25 132/33 KV …. …. …. …. …. 06
100 SAMAGURI AEGCL 02 25 132/33 KV …. …. …. …. …. 06
101 SARUSAJAI AEGCL 01 31.5 132/33 KV …. …. …. …. …. 06
102 SARUSAJAI AEGCL 02 31.5 132/33 KV …. …. …. …. …. 06
103 SARUSAJAI AEGCL 01 100 220/132
KV …. 17 9 1.25 2.75 6
104 SARUSAJAI AEGCL 02 100 220/132
kV …. 17. 9 1.25 2.75 8
105 SARUSAJAI AEGCL 03 100 220/132
kV …. 17 9 1.25 2.75 7
106 SISUGRAM AEGCL 01 31.5 132/33 KV …. …. …. …. …. 06
107 SISUGRAM AEGCL 02 31.5 132/33 KV …. …. …. …. …. 06
108 SIBSAGAR AEGCL 01 16 132/33 KV …. …. …. …. …. ….
109 SIBSAGAR AEGCL 02 16 132/33 KV …. …. …. …. …. ….
110 SIPAJHAR AEGCL 01 16 132/33 KV …. …. …. …. …. ….
111 SIPAJHAR AEGCL 02 16 132/33 KV …. …. …. …. …. ….
112 SRIKONA AEGCL 01 25 132/33 KV …. …. …. …. …. 05
113 SRIKONA AEGCL 02 25 132/33 KV …. …. …. …. …. 05
114 TINSUKIA AEGCL 01 20 132/66 KV …. …. …. …. …. 02
115 TINSUKIA AEGCL 02 20 132/66 KV …. …. …. …. …. 04
116 TINSUKIA AEGCL 03 20 132/66 KV …. …. …. …. …. 03
117 TINSUKIA AEGCL 01 50 220/132
kV …. 17 9 1.25 2.75
115
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 32 of 68
118 TINSUKIA AEGCL 02 50 220/132
kV …. 17 9 1.25 2.75 15
119 SONABIL AEGCL
01 100 220/132
kV
…. …. …. …. …. …
120 SONABIL AEGCL
02 100 220/132
kV
…. …. …. …. …. …
121 HAILAKANDI AEGCL
01 16 132/33
KV
…. …. …. …. …. …
122 HAILAKANDI AEGCL
02 16 132/33
KV
…. …. …. …. …. …
123 SAMAGURI AEGCL
01 100 220/132k
V …. …. …. …. …. …
124 BILASHIPARA AEGCL
01 16 132/33
KV …. …. …. …. …. …
125 BILASHIPARA AEGCL
02 16 220/132k
V …. …. …. …. …. …
List 7: ICTs details of Manipur in North Eastern Region
SL. NO.
SUBSTATION AGENCY ICT NO.
MVA KV
RATIO MAKE TT NT
STEP PT
%AGE KV
1 CHURACHANDPUR MANIPUR 01 20 132/33
KV …. …. …. …. …. ….
2 IMPHAL MANIPUR 01 20 132/33
KV …. …. …. …. …. ….
3 IMPHAL MANIPUR 02 20 132/33
KV …. …. …. …. …. ….
4 IMPHAL MANIPUR 03 20 132/33 …. …. …. …. …. ….
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 33 of 68
KV
5 KAKCHING MANIPUR 01 20 132/33
KV …. …. …. …. …. ….
6 KARONG MANIPUR 01 20 132/33
KV …. …. …. …. …. ….
7 NINGTHOUKHONG MANIPUR 01 12.5 132/33
KV …. …. …. …. …. ….
8 NINGTHOUKHONG MANIPUR 02 12.5 132/33
KV …. …. …. …. …. ….
9 YANGANGPOKPI MANIPUR 01 20 132/33
KV …. …. …. …. …. ….
10 YANGANGPOKPI MANIPUR 02 20 132/33
KV …. …. …. …. …. ….
11 JIRIBAM MANIPUR 01 6.3 132/33
KV …. …. …. …. …. ….
List 8: ICTs details of Meghalaya in North Eastern Region
SL. NO.
SUBSTATION AGENCY ICT NO.
MVA KV
RATIO MAKE TT NT
STEP PT
%AGE KV
1 CHERAPUNJEE MeECL 01 12.5 132/33
KV …. …. …. …. …. 06
2 EPIP I MeECL 01 20 132/33
KV …. …. …. …. …. 03
3 EPIP I MeECL 02 20 132/33
KV …. …. …. …. …. 03
4 EPIP II MeECL 01 50 132/33
KV …. …. …. …. …. 08
5 KHLIEHRIAT MeECL 01 20 132/33
KV …. …. …. …. …. 05
6 KHLIEHRIAT MeECL 02 20 132/33
KV …. …. …. …. …. 06
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 34 of 68
7 MAWLAI MeECL 01 20 132/33
KV …. …. …. …. …. 04
8 MAWLAI MeECL 02 20 132/33
KV …. …. …. …. …. 08
9 MAWLAI MeECL 01 10 132/33
KV …. …. …. …. …. 03
10 MAWLAI MeECL 01 12.5 132/33
KV …. …. …. …. …. 07
11 NANGALBIBRA MeECL 01 10 132/33
KV …. …. …. …. …. 07
12 NANGALBIBRA MeECL 01 12.5 132/33
KV …. …. …. …. …. 06
13 NEHU MeECL 01 20 132/33
KV …. …. …. …. …. 06
14 NEHU MeECL 02 20 132/33
KV …. …. …. …. …. 06
15 NEIGRIHMS MeECL 01 10 132/33
KV …. …. …. …. …. 05
16 NEIGRIHMS MeECL 02 10 132/33
KV …. …. …. …. …. 04
17 NONGSTOIN MeECL 01 12.5 132/33
KV …. …. …. …. …. 04
18 UMIUM ST III MeECL 01 10 132/33
KV …. …. …. …. …. 08
19 TURA MeECL 01 20 132/33
KV …. …. …. …. …. 15
20 TURA MeECL 01 15 132/33
KV …. …. …. …. …. 15
21 TURA MeECL 02 15 132/33
KV …. …. …. …. …. 15
22 TURA MeECL 03 15 132/33
KV …. …. …. …. …. 15
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 35 of 68
23 LUMSHNONG MeECL 01 10 132/33
KV …. …. …. …. …. ….
24 UMTRU MeECL 01 20 132/33
KV …. …. …. …. …. 02
25 BYRNIHAT MeECL 01 315 400/132 …. 17 9 1.25 5 9
26 BYRNIHAT MeECL 02 315 400/132 …. 17 9 1.25 5 9
27 BYRNIHAT MeECL 03 160 220/132 …. 17 9 1.25 2.75 9
28 BYRNIHAT MeECL 04 160 220/132 …. 17 9 1.25 2.75 9
29 NANGALBIBRA MeECL 01 12.5 132/33 …. …. …. …. …. ….
30 NANGALBIBRA MeECL 02 12.5 132/33 …. …. …. …. …. ….
List 9: ICTs details of Mizoram in North Eastern Region
SL. NO.
SUBSTATION AGENCY ICT NO.
MVA KV RATIO MAKE TT NT STEP
PT %AGE KV
1 AIZAWL
LUANGMUAL MIZORAM 01 12.5 132/33 KV …. …. …. …. …. 05
2 AIZAWL
LUANGMUAL MIZORAM 02 12.5 132/33 KV …. …. …. …. …. 05
3 AIZAWL
ZUANGTUI MIZORAM 01 12.5 132/33 KV …. …. …. …. …. 05
4 AIZAWL
ZUANGTUI MIZORAM 02 12.5 132/33 KV …. …. …. …. …. 05
5 KOLASIB MIZORAM 01 12.5 132/66 KV …. …. …. …. …. 10
6 KOLASIB MIZORAM 02 12.5 132/66 KV …. …. …. …. …. 09
7 LUNGLEI MIZORAM 01 12.5 132/33 KV …. …. …. …. …. 05
8 LUNGLEI MIZORAM 02 12.5 132/33 KV …. …. …. …. …. 09
9 SERCHHIP MIZORAM 01 12.5 132/33 KV …. …. …. …. …. 02
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 36 of 68
10 SERCHHIP MIZORAM 02 6.3 132/33 KV …. …. …. …. …. 03
11 SAITUAL MIZORAM 01 6.3 132/33 KV …. …. …. …. …. 06
List 10: ICTs details of Nagaland in North Eastern Region
SL. NO. SUBSTATION AGENCY ICT NO.
MVA KV
RATIO MAKE TT NT
STEP PT
%AGE KV
1 DIMAPUR NAGALAND 01 20 132/66
KV …. …. …. …. …. 05
2 DIMAPUR NAGALAND 02 20 132/66
KV …. …. …. …. …. 05
3 DIMAPUR NAGALAND 03 20 132/66
KV …. …. …. …. …. 03
4 KIPHIRE NAGALAND 01 6.5 132/66
KV …. …. …. …. …. 04
5 KIPHIRE NAGALAND 02 6.5 132/66
KV …. …. …. …. …. 04
6 KIPHIRE NAGALAND 03 6.5 132/66
KV …. …. …. …. …. 04
7 KOHIMA NAGALAND 01 8 132/33
KV …. …. …. …. …. 03
8 KOHIMA NAGALAND 02 8 132/33
KV …. …. …. …. …. 03
9 KOHIMA NAGALAND 03 8 132/33
KV …. …. …. …. …. 03
10 MELURI NAGALAND 01 5 132/33
KV …. …. …. …. …. 01
11 MOKOKCHUNG NAGALAND 01 12.5 132/66
KV …. …. …. …. …. 04
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 37 of 68
12 MOKOKCHUNG NAGALAND 02 12.5 132/66
KV …. …. …. …. …. 04
13 WOKHA NAGALAND 01 5 132/33
KV …. …. …. …. …. 03
List 11: ICTs details of TsECL in North Eastern Region
SL. NO.
SUBSTATION AGENCY ICT NO.
MVA KV
RATIO MAKE TT NT
STEP PT
%AGE KV
1 AGARTALA TSECL 01 15 132/66
KV …. …. …. …. …. 09
2 AGARTALA TSECL 01 15 132/33
KV …. …. …. …. …. 13
3 AGARTALA TSECL 02 15 132/33
KV …. …. …. …. …. 13
4 AGARTALA TSECL 03 15 132/33
KV …. …. …. …. …. 13
5 AGARTALA TSECL 04 15 132/33
KV …. …. …. …. …. 13
6 AGARTALA TSECL 01 20 132/33
KV …. …. …. …. …. 13
7 AGARTALA TSECL 02 20 132/33
KV …. …. …. …. …. 13
8 AGARTALA TSECL 01 15 132/11
KV …. …. …. …. …. 13
9 AMBASA TSECL 01 7.5 132/33
KV …. …. …. …. …. 08
10 AMBASA TSECL 02 7.5 132/33
KV …. …. …. …. …. 08
11 BARAMURA TSECL 01 30 132/66
KV …. …. …. …. …. 05
12 DHALABIL TSECL 01 7.5 132/33 …. …. …. …. …. 04
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 38 of 68
KV
13 DHARMANAGAR TSECL 01 7.5 132/33
KV …. …. …. …. …. 07
14 DHARMANAGAR TSECL 02 7.5 132/33
KV …. …. …. …. …. 07
15 DHARMANAGAR TSECL 03 7.5 132/33
KV …. …. …. …. …. 07
16 KAILASHOR TSECL 01 7.5 132/33
KV …. …. …. …. …. 08
17 KAMALPUR TSECL 01 7.5 132/11
KV …. …. …. …. …. 08
18 P K BARI TSECL 01 15 132/33
KV …. …. …. …. …. 05
19 P K BARI TSECL 01 10 132/11
KV …. …. …. …. …. 05
20 ROKHIA TSECL 01 30 132/66
KV …. …. …. …. …. 05
21 UDAIPUR TSECL 01 15 132/66
KV …. …. …. …. …. 05
22 UDAIPUR TSECL 02 10 132/66
KV …. …. …. …. …. 05
23 UDAIPUR TSECL 03 10 132/66
kV …. …. …. …. …. ….
24 UDAIPUR TSECL 04 15 132/11
kV …. …. …. …. …. ….
25 UDAIPUR TSECL 05 10 66/33
kV
…. …. …. …. …. ….
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 39 of 68
List 12: ICTs details of OTPC in North Eastern Region
SL. NO.
SUBSTATION AGENCY ICT NO.
MVA KV
RATIO MAKE TT NT
STEP PT
%AGE KV
1 PALATANA OTPC 01 125 400/132
kV BHEL 17 9 1.25 5 9
2 PALATANA OTPC 02 125 400/132
kV 17 9 1.25 5 9
Annexure IV: Substations in North Eastern Region
AGENCY 400KV 220 KV 132 KV &
66 KV TOTAL
POWER GRID
5 4 12 21
ARUNACHAL PRADESH
NIL 1 7 8
AEGCL 1 9 23 33 MANIPUR NIL NIL 10 10
MeECL 1 NIL 16 17 MIZORAM NIL NIL 6 6
NAGALAND NIL NIL 8 8 NEEPCO 1 2 4 7
NHPC NIL NIL 1 1 TSECL NIL NIL 13 13 OTPC 1 NIL NIL 1
TOTAL 9 14 82 125
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 40 of 68
Annexure V: CAPABILITY CURVES OF VRIOUS GENERATORS IN NER GRID
Capability Curve 1: LTPS unit 5, 6, 7
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 41 of 68
Capability Curve 2: NTPS UNIT 2 & 3
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 42 of 68
Capability Curve 3: NTPS UNIT 4
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 43 of 68
Capability Curve 4: NTPS UNIT 6
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 44 of 68
Capability Curve 5: LTPS
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 45 of 68
Capability Curve 6: NTPS
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 46 of 68
Capability Curve 7: UMIUM ST I
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 47 of 68
Capability Curve 8: UMIUM STAGE II
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 48 of 68
Capability Curve 9: UMIUM STAGE III
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 49 of 68
Capability Curve 10: UMIUM STAGE IV
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 50 of 68
Capability Curve 11: AGBPP UNIT 5, 6, 7, 8 & 9
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 51 of 68
Capability Curve 12: AGBPP UNIT 1, 2, 3 & 4
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 52 of 68
Capability Curve 13: AGTPP
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 53 of 68
Capability Curve 14: DOYANG HEP UNIT 1
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 54 of 68
Capability Curve 15: KHANDONG HEP UNIT 2
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 55 of 68
Capability Curve 16: KOPILI HEP UNIT 1
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 56 of 68
Capability Curve 17: KOPILI HEP UNIT 2
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 57 of 68
Capability Curve 18: KOPILI HEP ST II
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 58 of 68
Capability Curve 19: RANGANADI HEP
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 59 of 68
Capability Curve 20: LOKTAK HEP
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 60 of 68
Capability Curve 21: ROKHIA UNIT 3, 4 & 6
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 61 of 68
Capability Curve 22: ROKHIA & BARAMURA
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 62 of 68
Capability Curve 23: OTPC PALATANA GTG
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 63 of 68
Capability Curve 24: OTPC PALATANA STG
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 64 of 68
Capabilty Curve 25: BgTPP Unit 1 and 2
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 65 of 68
ANNEXURE VI: The AEGCL Gazette, Extraordinary, February 10, 2005
10.3.1 IN CHAPTER 9: FREQUENCY AND VOLTAGE MANAGEMENT
10.3.1.1 (9.1) Introduction
(a) This section describes the method by which all Users of the State Grid shall cooperate with SLDC in contributing towards effective control of the system frequency and managing the grid voltage.
(b) State Grid normally operates in synchronism with the North-Eastern Regional Grid
and NERLDC has the overall responsibility of the integrated operation of the North-Eastern Regional Power System. The constituents of the Region are required to follow the instructions of NERLDC for the backing down generation, regulating loads, MVAR drawal etc. to maintain the system frequency and the grid voltage.
(c) SLDC shall instruct SSGS to regulate Generation/Export and hold reserves of active
and reactive power within their respective declared parameters. SLDC shall also regulate the load as may be necessary to meet the objective.
(d) System voltages levels can be affected by Regional operation. The SLDC shall
optimise voltage management by adjusting transformer taps to the extent available and switching of circuits/ capacitors/ reactors and other operational steps. SLDC will instruct generating stations to regulate MVAr generation within their declared parameters. SLDC shall also instruct Distribution Licensees to regulate demand, if necessary.
10.3.1.2 (9.2) Objective The objectives of this section are as follows:
(a) To define the responsibilities of all Users in contributing to frequency and voltage management.
(b) To define the actions required to enable SLDC to maintain System voltages
and frequency within acceptable levels in accordance Planning and Security Standards of IEGC.
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 66 of 68
10.3.1.3 (9.3) Frequency Management
The rated frequency of the system shall be 50 Hz and shall normally be regulated within the limits prescribed in IEGC Clause 4.6(b). As a constituent of North-Eastern Region, the SLDC shall make all possible efforts to ensure that grid frequency remain within normal band of 49.5 – 50.2Hz (Presently IEGC band is 49.7-50.2 Hz).
10.3.1.4 (9.4) Basic philosophy of control Frequency being essentially the index of load-generation balance conditions of the system, matching of available generation with load, is the only option for maintaining frequency within the desired limits. Basically, two situations arise, viz., a surplus situation and a deficit situation. The automatic mechanisms available for adjustment of load/generation are (i) Free governor action; (ii) Maintenance of spinning reserves and (iii) Under-frequency relay actuated shedding. These measures are essential elements of system security. SLDC shall ensure that Users of the State Grid comply with provisions of clause 6.2 of the IEGC so far as they apply to them. The SLDC in coordination with Users shall exercise the manual mechanism for frequency control under following situations:
10.3.1.5 (9.5) Falling frequency:
Under falling frequency conditions, SLDC shall take appropriate action to issue instructions, in coordination with NERLDC to arrest the falling frequency and restore it to be within permissible range. Such instructions may include dispatch instruction to SSGS and/or instruction to Distribution Licensees and Open access customers to reduce load demand by appropriate manual and/or automatic load shedding.
10.3.1.6 (9.6) Rising Frequency
Under rising frequency conditions, SLDC shall take appropriate action to issue instructions to SSGS in co-ordination with NERLDC, to arrest the rising frequency and restore frequency within permissible range through backing down hydel generation and thermal generation to the level not requiring oil support. SLDC shall also issue instructions to Distribution Licensees and Open access customers in coordination with NERLDC to lift Load shedding (if exists) in order to take additional load.
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 67 of 68
10.3.1.7 (9.7) Responsibilities SLDC shall monitor actual Drawal against scheduled Drawal and regulate internal generation/demand to maintain this schedule. SLDC shall also monitor reactive power drawal and availability of capacitor banks. Generating Stations within AEGCL shall follow the dispatch instructions issued by SLDC.Distribution Licensees and Open access customers shall co-operate with SLDC in managing load & reactive power drawal on instruction from SLDC as required.
10.3.1.8 (9.8) Voltage Management
(a) Users using the Intra State transmission system shall make all possible efforts to ensure that the grid voltage always remains within the limits specified in IEGC at clause 6.2(q) and produced below:
(b) AEGCL Gridco and/or SLDC shall carry out load flow studies based on operational
data from time to time to predict where voltage problems may be encountered and to identify appropriate measures to ensure that voltages remain within the defined limits. On the basis of these studies SLDC shall instruct SSGS to maintain specified voltage level at interconnecting points. SLDC and AEGCL Gridco shall co-ordinate with the Distribution Licensees to determine voltage level at the interconnection points. SLDC shall continuously monitor 400/220/132kV voltage levels at strategic sub-stations to control System voltages.
(c) SLDC in close coordination with NERLDC shall take appropriate measures to control
System voltages which may include but not be limited to transformer tap changing, capacitor / reactor switching including capacitor switching by Distribution Licensees at 33 kV substations, operation of Hydro unit as synchronous condenser and use of MVAr reserves with SSGS within technical limits agreed to between AEGCL Gridco and Generators. Generators shall inform SLDC of their reactive reserve capability promptly on request.
Nominal Maximum Minimum
400 420 380
220 245 198
132 145 122
REACTIVE POWER MANAGEMENT AND VOLTAGE CONTROL IN NORTH EASTERN REGION
Page 68 of 68
(d) APGCL and IPPs shall make available to SLDC the up to date capability curves for all Generating Units, as detailed in Chapter 5.indicating any restrictions, to allow accurate system studies and effective operation of the Intra State transmission system. CPPs shall similarly furnish the net reactive capability that will be available for Export to / Import from Intra State transmission system.
(e) Distribution Licensees and Open access customers shall participate in voltage
management by providing Local VAR compensation (as far as possible in low voltage system close to load points) such that they do not depend upon EHV grid for reactive support.
10.3.1.9 (9.9) General
Close co-ordination between Users and SLDC, AEGCL Gridco and NERLDC shall exist at all times for the purposes of effective frequency and voltage management.