Answer / shariff

Trf will fail as the un-balanced current will enter in the main windings.

Answer / arup kumar sadhu

Neutral is grounded to protect against earth faults and to eliminate transient voltages. If not earthed we would never know that a conductor has fallen down and during this if another conductor falls down ,the fault current will be 73.2 % more.With one conductor fallen on ground the voltage between healthy conductor and the ground will be 1.732 times the normal

Why sip ring used in ac motor also why its not used in dc motor?

2 Answers   RRB,

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what is the principle of generator , induction motor,d.c motor

1 Answers  

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what will happen when reverse reactive power occurs in alternators?

3 Answers   Reliance,

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What is DPR relay, And what for??

2 Answers   Engro,

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what is difference between tension tower and suspension tower?

8 Answers  

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can we connect PARALLEL 2 D.G set with different rating?? How ? What is the requirement for this connections?

1 Answers   Amoli Organics,

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Please give the formula for converting from 1 tr refrigeration to kw.

2 Answers   Bugema University,

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How to connect a ELCB with contactor and relay ?

0 Answers  

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if power factor comes in leading & showing -0.95. Is there any effect on electrical system? if yes, then please tell me what would be the effects. & how long we keep power factor in leading. Keeping power factor in leading shows more KW & less KVA is it correct or not.

2 Answers   Jakson,

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3.7 kw motor ,how much sq mm cabel want to bare this motor load

1 Answers  

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What is the min.& max distance between two earth spikes is required for measuring earth resistance of an earth pit? Is the manufacturer of Earth tester decides this? Pls explain.

3 Answers   ABB, HAL,

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How are load losses and no-load losses measured at site in a DG set?

0 Answers  

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