Answer / iftikhar

we use star delta starter because in starting motor taking
a larg current therefor first we connect the motor in
star,because in star the phase vtg is reduced ,therefore
the starting current is also reduced

Answer / krish

in order to simplify the cumbersome circuits..... when ever
we need.

make control wire diagram of start and stop a function with a single push button

1 Answers   Sona,

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1.what is difference between ATS & STS main use. 2.what is difference between ACB& VCB With symobles,and main partes, manimum range. 3.How many types of relays and main function.

0 Answers   Visa,

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The earth pin of some three pin plugs are seen split. why?

1 Answers  

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What is diversity factor in electric installations?

0 Answers  

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What is application of MCB & How it works

1 Answers   TATA,

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Dear Brother can u tell the proper size selection of cable & the fault level calculation of braker, busbar etc. pls mail me at azeemk30@gmail.com

0 Answers  

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which %age if losses increases when frequency is increased to 25%

4 Answers   Maihar Cement, Siemens,

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what is meant by dielectric breakdown ? where we using HV test kit & what purpose?

3 Answers   ITC Infotech,

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

1 Answers  

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if we keep frequency constant can we cal a synchronous generator as a dc generator

2 Answers   Cummins,

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Why is it preferred to use a wattmeter(s) to measure power in three phase systems rather than using a combination of other instruments e.g. voltmeters, ammeters etc?

2 Answers  

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difference between relay and solenoid?

2 Answers  

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