Why the dc voltage drop during starting of emergency lube oil pump? The Voltage drop from 135kv to 125 kv for one min. before re-establish to 135kv?

0 Answers  

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What is inverse definite minimum time lag relay? Where is it use?

0 Answers   TATA,

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why dc source used for HV breakers and Relays operation?

2 Answers   Cethar,

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I completed iti in2004 I was worked in A grade contractor can I get c licence

0 Answers  

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1hp single phase load = howmuch 3 phase load

0 Answers  

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In which type of circuit short circuit is dangerous in parallel or series and why?

6 Answers  

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how will reduce the voltage. if 12volt/250ma transformer toreduce 6 volt

0 Answers  

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what is relay multiplier

1 Answers   Atomic Energy Commission, Bhel, Wipro,

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What is ZCT? it operating principle and how is work with RCCB (residual current circuit breaker)?

4 Answers  

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why some transmission lines have 7 wires n why some have 3 n 4??

3 Answers  

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Who are the manufactures those manufacturing 3Cx2.5sqmm FRLS cables. I heard about FRLS technology adopted only in wires useful for wirings

0 Answers  

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why dc supply is not applied for step up or down in transformer

3 Answers  

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