Answer / aamirali

Neutral voltage is zero, when the fault occours it becomes
equal to phase voltage.

Answer / guru

The Voltage Unbalance in the 3 phases create a floating
voltage which reflects in the neutral.( Sometime it will be
equal to phase voltage itself). That is why neutral in the
secondary side of the transformer is always grounded and it
is not connected to the main earthing grid. By Making a
seperate earthing for neutral avoids the unnecessary earth
fault tripping in the circuit

Answer / raj kushwaha

If star connection than Neutral voltage is zero in normal
circuit. But if unbalance load than Neutral currant can not
be zero.

Explain about p.t?

0 Answers  

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why there is no current in the rotor body althrough the flux linking with it also get changes. why current only flows in windinds not in rotor

1 Answers   Vedanta,

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Grid fault level [KA]?

0 Answers  

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What is the resistance to be connected for supplying the load of 20mV,1kohm from 20mV supply using rectifier.

1 Answers   Anna University,

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What is AVR in Turbo generator in Thermal power plant?

5 Answers   Thermax,

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what is IP55,IP65

4 Answers  

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Why mostly GT(Generating Transformer)has only Ynd1 Vector Group?

1 Answers   Essar,

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why genarator genarating voltage 11 KV?

0 Answers  

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why the efficiency of generator is more than the motor in case of swinburne's test????

1 Answers  

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What is meant by directional power and reverse power relay ?

1 Answers   HAL,

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What is the formula to calculate the rating of a three phase trnasformer

1 Answers  

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what will happen if one of the phases from a 3-phase motor is disconnected?? stop/run at 2/3rd speed or run at same speed????

3 Answers  

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