We have 800KW motor operating at 6600Volt,50 Hz supply.During 1st startup it tripped on overcurrent trip.It's FLA is 88 Amps.The K factor of Thermal overloaaad was set on .94 initially.then we set at 0.97 and then it started fine.i dont understand why it tripped first?What are the protections which comes in picture during starting ?

6 Answers  

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in a diesel generator is there any relation between AVR to fule system?

2 Answers  

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In a 3 pin plug holder, what is the purpose of diameter of ground pin is larger than phase and nutral pin

9 Answers   Coal India, HCL,

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how does a shunt reactor maintains the bus voltage???

0 Answers  

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I want to ask a question which i faced during testing of Capacitive Voltage Transformer in AIS. We have measured the C1 , C2 individually , but when we start to measure the total C1+C2 , the testing equipment shuts down and says low loading. Kindly is it possible to find the total capacitance by using measuring device. kindly briefly explain the procedure.

0 Answers   AIS,

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How can I indicate rpm on digital rpm meter with help of simple tacho output? tacho output is 90v at 3000rpm.

2 Answers   Godrej,

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What is the output of 25 kva 11/.4 kv transformer in kw ? Plz generalized it...

3 Answers   NTPC,

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Reason of secondary of ct always short

5 Answers   ANITS, EID Parry,

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what shoud be strength and weakness to impress interviewer????????

0 Answers  

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what is difference between electrical and electronics

2 Answers  

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What is load staggering or load shifting in the context of power distribution?

1 Answers  

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what is the working and construction of generator

1 Answers  

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