Answer / nishad

My question is Why Earthing is not required in Xformer
primary star point of Star / Star connection????

Answer / k.prakashchandra

Eatrthing primary neutral of star/star Tr at the receiving
end is of no use for protection and safety . At sending end
neutral is earthed and it is sufficient.

why does same amount of current flow in the circuit inspite of any number of resistances in the circuit?

3 Answers  

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how desiel generate sart fail of eb?

0 Answers   OPG, Wipro,

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what is diffrent between plc and clc??

1 Answers  

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what is diffrances between fuse and breaker protection? which one is best?

2 Answers   Essar,

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how to save the power?

2 Answers  

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1) Can anyone give me a typical value for Insulation Resistance of 11kV xlpe cable? 2) How much will the IR value decrease per KM of cable length added?

1 Answers  

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what will happen, if both relay contact has live supply, and coil of relay activated

1 Answers   AVS,

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What is the temperature and cooling aspects of dc motor

1 Answers  

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Difference between HRG and NGR. Are they both the same thing

0 Answers  

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What happen to alternator if prime mover fails?

4 Answers  

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State kirchoff current law?

0 Answers  

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What is the deffrence between Siemens S7-300 & S7-400 PLC?

4 Answers   ADC,

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