AIS General Layout & Circuit

132kV Switchyard

275kV Switchyard

Setiap circuit dalam substation mempunyai beberapa bay seperti yg disenaraikan, Setiap bay terdiri drpd primary equipment yg disenaraikan juga.

Overhead Line Bay

• Busbar Isolator/Disconnector
• Circuit Breaker
• Current Transformer
• Line Isolator with Earthing Facility
• Capacitive Voltage Transformer
• Surge Arrestor
  

Transformer Bay

• Busbar Isolator/Disconnector
• Circuit Breaker
• Current Transformer
• Capacitive Voltage Transformer
• Surge Arrestor
  
• Power Transformer
• Earthing Transformer
• NER System
  

Bus Coupler Bay

• Busbar Isolator/Disconnector
• Current Transformer
• Circuit Breaker
• Current Transformer
•  Busbar Isolator/Disconnector

Busbar VT Bay

• Busbar Isolator/Disconnector
• Inductive Voltage Transformer

Shunt Capacitor Bay

• Busbar Isolator/Disconnector
• Circuit Breaker
• Current Transformer
• Line Isolator with Earthing Facility
• Capacitive Voltage Transformer
• Reactor
• Surge Arrestor
• Capacitor Bank
• Unbalance Current Transformer

Underground Cable Feeder Bay

• Busbar Isolator/Disconnector
• Circuit Breaker
• Current Transformer
• Line Isolator with Earthing Facility
• Capacitive Voltage Transformer
• Surge Arrestor
• Cable Sealing End