Answer / harit

Overcurrent setting should be 120% of the Full Load Current of motor (time setting should be as per the recommendation of the manufacturer or Load characteristic)

instantaneous overcurrent & short circuit current settings should be 7 to 8 times of the full load current. Time interval to trip : should be set at zero (instantaneous).

if 15 kv is grounding directly what will happen?

5 Answers  

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what is surge arresters ?........

7 Answers  

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In tranformer winding Connection Like Dyn1 ,so LV lags Hv by 30 deg and Dyn11 LV lead HV by 30,so how do this lagging and leading afffect the transformer??

2 Answers   Siemens,

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How does the humidity affect in breakdown voltage of air?. Is the breakdown voltage increases with the humidity?

2 Answers  

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Inductor and capacitor ........ power in one phase and ...... it in another phase. if any body found this gaps answer.please sent me to habib_eu2008@yahoo.com

2 Answers  

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what is spadar bar .why I use in DC generator.

0 Answers   BSL,

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Give some example of fault limiting devices?

0 Answers  

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Why capacitor bank is not neccessery to switch on,pls answ me with formula

2 Answers  

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MICOM P122 OC/EF RELAY HAVE HARMONIC RESTRAIN OR NOT?

1 Answers  

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Whats changes in Transformer Oil BDV in changes in temp or Climate?

2 Answers   TATA,

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why return path in terms of neutral is required please give a relevant answer

3 Answers  

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In synchronous motor, how the field current is related to armature current..i know its inversely proportional..but concept wise...i was nt clear....pls help me...

0 Answers   Siemens,

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