CARACTERISTICI TEHNICE

Tensiunea nominal: 7,2 kV

Curent nominal: 600 1250 A

Factor de pierderi (tg ): < 0,5 %

Linie de fug: min. 1900

Nivel maxim al descrcrilor pariale < 10 pC

Frecvena: 50 Hz

TECHNICAL CHARACTERISTICS

Rated voltage: 7.2 kV

Rated current: 600 1250 A

Loss factor (tg ): < 0.5 %

Creepage distance: min. 1900

Partial discharge maximum level: < 10 pC

Frequency: 50 Hz

www.electroputere-ait.ro

ELECTROPUTERE

AIT

www.electroputere-ait.ro

ELECTROPUTERE

AIT

Treceri izolante de tip condensator AER-AER / Condenser type bushing AIR to AIRTransformatoare de curent pentru component homopolar / Current transformers for the zero-sequence component

CIRHi; CIRHo Tio 72,5 kV a-a

C - transformator de curent

I - pentru montaj de interior

R - cu izolaia n rin

H - pentru curent primar homopolar

i - variant constructiv demontabil

o - variant constructiv nedemontabil

Simbolizare

C - current transformers

I - for indoor mounting

R - resin insulated

H - for zero - sequence primary current

i - constructive variant dismountable

o - constructive variant not dismountable

Symbols

2

2

h

2

9

c

3 d

e

a

c

1 2

k

f

-2

-2

-2

b

d

i g

Tip / Type

CIRHi-CIRHo

Dimensiuni / Dimensions (mm) Greutate (kg) Weight a b c d 1 2 e f g h i k

80 148 80 118 60 82

158

78

101

60

196

50

M6

3.9

100 148 80 118 60 102

188

78

116

65

226

50

M6

5.5

150 148 80 118 60 152 244 78 144 75 282 50 M6 9.6

CIRHi - CIRHo

80 100 150

diametrul maxim al cablului

maximum diameter of the cable (mm) 80 100 150

tensiune maxim pentru echipament

highest voltage for the equipment (kV) 0.72 0.72 0.72

curent de stabilitate termic

rated short -time thermal current (A) 300 300 300

sensibilitatea proteciei la un curent secundar de 0,1 A pentru varianta

sensitivity of protection for a secondary current of 0.1 A for variant

CIRHi (A)

CIRHo (A)

10

6.5

10

6.5

10

6.5

impedana intern a nfurrii secundare Zi

internal impedance of the secondary winding Zi () 0.04 0.06 0.08

Ti - trecere izolant

o - cu izolaie intern hrtie-ulei

72,5 -tensiunea cea mai ridicat

pentru echipament

a-a - trecere izolant de perete aer - aer

Simbolizare

Ti - bushing

o - oil-paper insulation

72.5 - highest voltage for the equipment

a-a - air to air through wall bushi

Symbols

Tip / Type Dimensiuni / Dimensions (mm) Greutate (kg)

Weight a b c d d1 d2 d3 e h+50 i k l

Tio -72 a -a In = 600 A 360 300 212 400 30 240 220 250 2100 720 80 1120 ~ 96

Tio -72 a -a In = 1250 A 480 420 297 400 40 240 220 250 2100 720 120 1120 ~105

Transformatoare de msur speciale i alte tipuri de aparate Transformatoare de msur speciale i alte tipuri de aparate

Special instrument transformers and other types of apparatus Special instrument transformers and other types of apparatus