The Objective of this course is to give Field Teams a ‘hands on’ experience of
solving engineering problems.
Objectives
ATS In/Out door Lights
Tower Lights
Emergency Lights
Fire Device
E.L.C.B. 25A Sockets
ACs
Spares
DISTRIBUTION
PANEL
(D.P)
Mains (WAPDA 03 Φ)
Generator (03 Φ)
Rectifier
10A, 2P
10A/32A 2P (each)
-54V
BatteryBackup
LV
D
DC Supply
(AC Supply)
E.L
.C.B
63A
RF
An
ten
na
M/WAntenna
Microwave IDUBTS Cabinet
10A, 2P
16A, 2P
32A, 2P
32A, 4P
10A, 2P
10A, 2P
Power routes for BTS Site
………… Introduction
………… Equipment Description
………… Installation and Wiring
………… Maintenance and Component Replacement
………… Handling
CONTENTS
WAPDA(Normal Source)
Generator(Standby Source)
Load
ATS
AUTOMATIC TRANSFER SWITCH
D.PATS
Ducting for Power Cables
PM is a schedule duty means to do the work in such a manner that nothing should be pending in order to avoid alarms.
Cable Glands
Circuit Breakers
ATS Components 0
3 1 2
ATS Selection Switch
Magnetic Contactors
Fuses
Timer Delay Relays
3 Phase Monitor (UVR)Indicators
Electromechanically Relay
Interlock UnitAuxiliary Contact Block
Magnetic Contactor Coil
Front Mount
ATS Selection Switch Position
Contacts Status
Mains control (Φ) Gen set control(Φ) Gen Auto Start
OFFInput (1) Output (A1)Input (2) Output (B2)Input (3) Output (C3)
1(Mains)
Input (1) Output (A1)Input (2) Output (B2)Input (3) Output (C3)
2(Auto)
Input (1) Output (A1)Input (2) Output (B2)Input (3) Output (C3)
3(Gen)
Input (1) Output (A1)Input (2) Output (B2)Input (3) Output (C3)
ATS Selection Switch Position:
Four positions;0 = OFF1 = Normal Source2 = Auto Function3 = Emergency
Source
Power Source Availability:Provides LEDs to indicate if a power source is available. LEDs may be Red, Yellow & Blue for 03 phases.
(a) Normal Source (WAPDA) – Available(b) Emergency Source (Generator) – Available
Load Transferred Availability:
Two LEDs for Normal & Emergency Source.
After PMBefore PM
POWER CABLES BEFORE & AFTER PM
Interlock (Mechanical & Electrical)
Gen phase (In)Wapda phase (In)
GenMagneticContactor
WapdaMagneticContactor
N (00)N (0)
NC
NC
Coil Coil
v
v
MCB Order Information
S25 1S C10
Type
Pole
Rated Current
17.5 mm 4 Pole
(see coil voltage selection chart)
Catalog number explanation
A9-30-10-84
Frame size
30 = 3 NO40 = 4 NO22 = 2 NO & 2 NC 10 = 1 NO & 0 NC
01 = 0 NO & 1 NC11 = 1 NO & 1 NC00 = No auxiliary provided
Coil voltage selection chart
Power pole
Coil voltage
Auxiliary contacts
Hz 12 24 48 110 120 125 208 220 240 277 380 415 440 480 500 600
50 81 83 84 84 34 36 80 42 86 86 51 53 55
60 81 83 84 80 85 86 55
SINGLE GENSET ATS
DUAL GENSETS ATS
20
Thank You
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