Answer / vipul batra

mcc based on analog type metering while inteligent refers to
the digital controling and metering.

Answer / raja

main control circuit

WHY WE NEED NEUTRAL FOR 3PH 400 OR 415 VOLTS POWER SUPPLY (4 WIRE SOURCE).

5 Answers  

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11. As per the theory current doesn’t flows in Neutral, but practically it is not applicable, explain why? 12. How to take the Vector Group Test in Transformer? What is the purpose of doing Vector Group Test? 13. Why the transmission lines are in 11kV, 22kV, 33kv, and why not 10kV, 20kV, 30kV? 14. Why do we generate 3 Phase AC Supply? It is possible to generate 4 Phase and 5 Phase explain it? 15. Explain why the Voltage drop will happen in 3 Phase line? 16. What is the equipment used to control the generator output? 17. What are the factors to be considered during the Synchronization? 18. What should be value of Circuit breaker operating time and tripping time? 19. Why the CT Secondary is rated as 5A generally? 20. At which time Synchronous generator act as a Synchronous Condenser?

1 Answers  

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what is the ground fault relay,which purpose it will be use,clearly tell me plz

0 Answers  

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what is the function of capacitor duty contactor in an capacitor panel???

0 Answers  

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1500Ah VRLA battery,if its weight is designed 125kg during maufacturing its weight is reduced to 85kgs,What will be impact on AH capacity,life & economy?

0 Answers   Bajaj,

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What happen if we apply square wave or traiangular waveform voltage to the transformer primary winding instead of sinusoidal wave?

0 Answers  

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What is the difference between MCB and Earth MCB? What is the working principal of MCB?

2 Answers  

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What are the test performed on A faulty transformer ?

2 Answers   Bhel,

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which pole motor is best ?4 pole motor or 6 pole motor,why?

2 Answers  

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We have a distribution transformer of 750KVA/11kv/440v and an AVR (Servo Stabilizer) of 750KVA on the LT side of distribution transformer. Also we have an ACB of 1200A on the output of distribution transformer (that is on the input of AVR). We want to have an MCCB on the output of AVR. What should be the rating?

0 Answers   SSPL,

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What is the problem, if a circuit breaker is not closing.

4 Answers   KSEB, L&T, Siemens,

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What are the advantages of D.O.L Starter in 3 phase induction motor?

4 Answers  

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