Answer / jai prakash narain singh

MCCB-moulded case circuit breaker.mccb has protection for
over current,which can be set by turning the current
setting knob and you can also set the delay time.in case
over current occur for more than set time,it will trip the
mccb ,to protect the ckt

What is the maximum advisable distance where it is required to interconnect a 500 KVA 480 V 3 ph transformer and the main panel or MCC ignoring the voltage droop affectation, does it is exist any standard about it?

2 Answers  

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how a single machine can act as both motor and generator? and give explanation interms of connections?

1 Answers  

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what are the type of transformer?

4 Answers  

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WHAT IS THE MINIMUM IR VALUE FOR CABLE CHARGING

4 Answers   Google,

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why we are using earth pit in sub stations.?

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why breather cap filled with oil?

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our company have 750 kva oil transformer.still we have facing a problem that is when voltage is 11.5 kv coming from HT side then LT-side voltage is 420v or above at tape 1.please give me best solution to decrease the voltage.

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I had applied for JE in PSEB, Can you pls send me the Question bank for related to my field

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i want to know is it possible to generate usefull power by coupling generator with motor & supply gives to motor by battery source then generator generates power. remove the battery source given to the motor & feed the supply from some of the generated power supply to the motor & motor runs continously. generator generate power contnously.is it possible ?

5 Answers   UltraTech,

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After synchronizing the running generator with grid, the avr getting tripped and the generator breaker also oettong tripped, before tripping the avr the pf meter of generator is showing leading pf please kindly give a suggestion to rectify this problem.

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Why arc quenching is used in Diode ?

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Sir, why generating power plant operating at above 0.9 lag? detail explaination?

1 Answers   Kirloskar, L&T,

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