What happens when ac supply is given as excitation voltage instead of dc supply

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why not starting switch first connect in direct on line starter?????

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If load current is 70amps or 50amps what range of CT to install for ampere metering

3 Answers  

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at the time of starting back emf of a motor is zero.so how can it will start to run??

1 Answers  

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What is sink and source?

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Which one is given high energy in same power consumption AC or DC

1 Answers   Dhyey Creation,

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In a d.c current, the power is the product of voltage and current. This relationship does not always apply to effective(r.m.s) values in an a.c circuit. Explain the reason for this.

2 Answers  

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how the 6.6KV motor can be used with 11KV?

2 Answers  

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what is ALF and ISF in current transformer?

1 Answers  

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why voltage between neutral and earth, with out secondary grounded distribution transformer

1 Answers   Wescosa,

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hai now i am working as a electrical design engineer in construction field can i get a job in oil and gass field or power plant project as a electrical design engineer?

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in a refinery one motor is suddenly stoped. what will do how can i findout the problem explain step by step

2 Answers  

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