Answer / manikandan krishnan

As it name says Relay contacts gets locked when there is a fault in the circuit.And it is the kind of mechanical switch. Once fault is cleared then only we can able to make the circuit closed by resetting the latching pin in the relay manually.without clearing fault , it wont allow to energize the closing coil of the breaker(ACB) even though u try to reset.

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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what happan when ac power transmitted in unity power factor

12 Answers   JE, Maihar Cement,

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How can I calculate the Mega watts required to run a plant having many electric motors and other electrical components.

0 Answers   ISS,

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what is difference between ac1 and ac3 contactor and why it is needed to be selected?

1 Answers  

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what is ideal transformer?

5 Answers  

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What is principal to reduce earth leakage current with isolation transformer? When isolation transformer is installed in input stage of system, earth leakage current is reduced. the reason is why the leakage current of 2nd stage of isolation transformer does not affect the 1st stage's leakage current. I would like to know the reason. As you know, earth leakage current is a kind of AC. So, How to reduce earth leakage current in case that isolation transformer is used?

2 Answers  

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ITI r/tv trade APPLY (J.T.O VACANCEY) ALSO INCLUD AITT ELECTRONIC,WRITEEN XAM DONE 23.03.10 BUT NO RESPONCE WHY ANATHER ID gopal_gh007@rediffmail.com

0 Answers   KBC, wbsedcl,

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AC 230V BULB GIVING DC SUPPLY WHAT HAPPENS?

2 Answers  

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explain Density

0 Answers   TCS,

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In Designing the rating & accessories of a MCCB how to choose the type of releases..means what is the basis for selecting, thermal magnetic, electromagnetic & microprocessr based releases

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what happens when the supply frequency to the tube light is reduced to 25Hz....?

5 Answers  

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Why Indian Electricity frequency desined 50 Cycles as developed countrys are using high frequency with low voltage

1 Answers  

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