Answer / manoj

Transformer is a static equipment which is not directly
loaded so its power factor is unity. so its rating is in kva
and not in kw

length of 4 core cable 95mm from substation LV VFD panel to Motor at field approximately 150 meter. Motor stop and power has been isolated from LV MCC ( Substation )to disconnect Motor for services. After Motor completed service propose to reinstall and reconnect Motor Cable, found earth cable sparkling during touching at metal / motor body. Inspect by clamp meter found earth cable have current flow AC 1-2amps and all earth cable at MCC LV also have current flow as same value. why it is happen?

2 Answers  

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mccb service sittings be done?

0 Answers  

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which has more heat effect(dc or ac)

4 Answers   CCEL, TATA,

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When in a large power system if the demand of power is larger than the generated power the frequency of the power system drops.(assume the rated frequency is 50Hz and now it is 49Hz) So does this mean the demand is totally supplied with a lower value of generated power in a lower frequency?

1 Answers  

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Name of the relay of low lub oil presuure in DG sets

0 Answers   Lineage, Sterling,

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how caculate the pump head to maintain perticuler pressure of water and what would be the motor size in hp for the same?

1 Answers  

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we specify current in case of feeder but in case of distributor voltage, why?

0 Answers  

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what is the working and construction of generator

1 Answers  

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How to calculate rated currennt Of Mcb for 2hp motor...

3 Answers  

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Where voltage are high and current to be interrupted is low the breaker preferred is:

0 Answers  

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cleat wiring system is used at

2 Answers  

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difference between ceiling fan

24 Answers   Altius Technologies, Raisoni, TCS, Uni Deritend,

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