Answer / vengatesh

1.Circuit Breaker
2.Protection relays
3.Fuse(over current protection)
4.Earthing(For drawn the Fault current which is higher than normal voltage)
5.Control panel body earthing(To prevent the body shorts)

Answer / rajendran.m

Earthing system.

Answer / rcq

1. Reverse power relay
2. Reverse kvar relay
3. Overcurrent and eatht fault relay
4. Trip/Lockout relay
5. Differential protection relay

Answer / khajamian

MCB,s MCCB,S .....miniature circuit breaker and mould case
circuit breaker....and various relays..... [protective
relay,current relay, thermal relay..over load relay.. ]etc

Answer / powerplantguruji

Interlocks:
Are the programmed or hardwired control systems to protect systems and improve the operation reliability.

Protections:
Are the programmed or hardwired control systems to protect the equipments, man power and systems from failure/harm.
To read more click here...
https://www.powerplantguruji.in/2020/11/interlock-permissive-protection-thermal-power-plant.html

Answer / sridhar

(i) SPD(Surge Protection Devives)
(ii) Prevent the Oxiditation by painting
(iii)To choose the Proper Enclosure system

Answer / sb

CT,PT & CB

what happens when back charging of transformer is done for longer period

1 Answers  

hi plz send me reliance placement papers..i.e electrical technical papers that have been asked in reliance test.

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why is that a 4*4mm cable,is always powdered internally

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how flow current in 220 kv line to line

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