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

why is control bus bi-directional?

1 Answers  

how to discharge 3 phase power factor correction capacitors

1 Answers   M S Ramaiah Institute,

What happen if we re-start H.T motor whose rotor is running at 40% rated speed. Is it will damage motor winding?

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I FINISHED MY B.TECH IN EEE . I AM IN NEED OF A GOOD TRAINING INSTITUTE TO DO COURSES .. CAN ANYONE SUGGEST GOOD CENTRES IN TAMILNADU ,BANGALORE ,OTHER AREAS???????

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to transmit 30kw of power at 30 km what is voltage required

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What is expention fastener (Fan)

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what is power factor when in view of a lineman

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dear all, in motor operation , motor is of 100 hp and bimetal relay setting is 130 amp, if relay is getting tripped on 120 amp balance current what can be the reason? Relay is newly replaced. I dont know but is there any frequency effect in thit case? Can frequency variation affect bimetal relay operation?

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Diff between power trans and generating transformer?

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i will applied in 1U-1W on 440 volt primary delta side. what is the result of magtic balance test

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How seriving & testing of the HT & LT breakers are done. What are the standard Ir values on which we can come to know the test is passed or failed?

1 Answers  

why dont we connect the two 12 V DC batteries in parallel, for an inverter (UPS)? is there any harm ?

6 Answers