Answer / k.prakashchandra

PF is better at full load . You may have to connect full KVAR at 50 % load

HAI SENT HPCL APTITUDE QUESTION PAPER, MY EMAIL ID IS angus_eee04@rediffmail.com,angus_eee04@yahoo.com

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My system is 22kv/3.3kv transformer. client is asking to use NGR, but as we have dedicated Neutral Earthing systems which has a value less than 1 Ohm. So i want solid comparision. Why i should not use NGR as my system is already protected.Can any one help me to get out of this.how should i reply on basis of some great comparision and calculations. Please help

2 Answers   Ariel,

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what is electrical machines

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How to decide the size of the capacitor for a single phase induction motor say 2 HP ??

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explain single phase series motor

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1. Why is the speed of shunt motor practically constant? 2. Why dc series motor use to start with heavy loads? 3. advantages & disadvantages of separately excited generator over self excited generator?

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why use -48 volt DC power in telecom?

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At which time Synchronous generator act as a Synchronous Condenser?

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how can we select the type of wire.what factors we have to look on it , do we have some formula to calculate it. please guide me on it

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What is line resistance of cable & how it can be measured ?

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WHAT HAPPEN IF LT SUPPLY 415 V FED TO THE HT 3.3KV MOTOR

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What is Neutral Transformer? what is the use of this?

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