vinod kumar


{ City } kotkapura
< Country > india
* Profession * student
User No # 114357
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Questions / { vinod kumar }
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Answers / { vinod kumar }

Question { Luminous, 10387 }

when we connect a ceiling fan to a inverter's output
voltage, it give some noise, why?


Answer

When dc to ac is converted , it is 12 v ac and t/f step up and due to this t/f does not step upto 220 v ,i.e. Nearby 220 v it is stepped up . But fans are not working properly below 220 volts a.c. I think this is also a reason.

Is This Answer Correct ?    0 Yes 0 No

Question { 1924 }

Ht panal kia hota ha?


Answer

A panel In which voltage above 11 kv.

Is This Answer Correct ?    1 Yes 1 No


Question { 4176 }

what is difference between neutral& grounding?


Answer

Neutral wire carries normal current but earth wire carries abnormal or leakage current . This is main reason. That's it.

Is This Answer Correct ?    0 Yes 0 No

Question { 2021 }

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?


Answer

This is totally dependent on voltage drops. But u dont consider voltage drops then one main reason is also that hv conductor size is less than lv conductor size. I think this is reason.

Is This Answer Correct ?    0 Yes 1 No

Question { TATA, 4542 }

11 KV distribution system where neutral is produced ?


Answer

Secondary side of transformer to make star connection and get a neutral point

Is This Answer Correct ?    2 Yes 1 No

Question { 2591 }

how to reduce shorting current in a slipring induction motor


Answer

To connect the resistance at the end of rotor ckt. winding

Is This Answer Correct ?    3 Yes 0 No