Answer / sundram saini

DG Netrual is earth for for Alternator protection because
practical load current difference always on always on all
phases so unwanted current goes to earth and safe the
alternator winding

Answer / r.kannan

1.main purpose to balaning voltage,
2.To protech alternator from fault

Answer / r.panneer selvam

To obtaine the 3 phase 4 wire supply,the 3 windings of an
alternator is star connected and the same is earthed to
protect the alternator from short circuits as well as to
feed the neutral wire to the feeder distribution

Answer / ram niveth

to sense the earth fault

Why primary batteries not rechargeable and secondary batteries are rechargeble??? If any one know please send me.

1 Answers  

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you have a 2 tonne ac that operates for 2 hrs daily what will be you monthly bill (this is complete question asked nothing else was given)?

1 Answers  

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Does the electricity supply authority send its customers power (kW) or voltape (V)? Asked by Ivan Muliro

2 Answers  

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what is the breakdown voltage value in BDV test in transformers?

6 Answers   Siva, TATA,

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what does the regenerative braking mean?and how it used for Dc motor? thanks.

2 Answers  

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what is the difference between earthed system and unearthed system.. where do we use unearthed system because in electrical catalogues always cable for earthed and unearthed system is given..pls elaborate

3 Answers  

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solar energy light efficiency & disadvantages?

0 Answers  

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why fuse not recomended to neutral

10 Answers  

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Why we use modulus with voltage in stability equation that is P=[E][V]SIN@/X WHY VOLTAGE IS IN MODE VALUE WHAT IS THE REASON?

1 Answers   Bhel,

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If stator & rotor of a 3-phase induction motor have different no. of poles, will the motor run or not??

3 Answers  

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Types of 132KV and 222 KV protection.

1 Answers  

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7. A resistance of 30 ohm is connected across 240v supply. If a resistance R ohm is connected in parallel with 30ohm resistor across the same supply, the current drawn becomes triple of original one The unknown resistor R is

2 Answers  

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