Answer / kalaivanan

Neutral is used as return path in ac single phase supply and and three phase star connection unbalanced load current flows through it,so it used fr return path fr unbalanced in that also

Answer / tapiwanashe vhurumuku

neutral is the return path and when it is connected loosely ,it affects the whole circuit either the bulbs are burnt or it causes flames in a circuit

Answer / aslam ali

Neutral is reqd for Star System. It can be earthed or
unearthed/floating state.Neutral with earthing is reqd to
oppose the arcing ground effect.You may choose neutral
floated but that time insulation level of sytem to be
increased.

Answer / abdulhadi almalki

for star connection current unbalance so we need neutral to return increasing current.

Can we use 3 phase energy meter for measureing power in 2 phase 440 V phase circuit?

2 Answers  

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use of PIR in ehv breaker

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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if we give 60 hz single phase supply to the transformer used in europe , than what will happen

0 Answers   Core Logic,

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Has someone here done a sizing for a generator (3 phase), its for a pumping station. If you have an example for standby/duty and both running (I) star delta (ii) Soft Starter.

0 Answers  

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800A 22KV TP OCB. explain

1 Answers  

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Why CTs are connected in star on T/F delta connected winding side & in delta on T/F star connected winding side for T/F differential protection?

2 Answers  

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resitance in ac=1.6*resistance in dc

3 Answers  

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what will happen if we will not use commutater means if we will give dc to the windings in dc motor

1 Answers  

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what is kvarh? Please difine it With calculation

3 Answers   GM General Motors,

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Explain why machinery used on a.c supply is usually rated in KVA instead of KW?

10 Answers   EEE, Mtandt,

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what are adantages of OC and SC test over the load test?

5 Answers  

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