Answer / prasanna kumar

motor running with star-delta starter or DOL will show full
load of the motor unless the motor drawing high currents due
to faults.while coming to the vfd motor may run at high
speed or low speed acc to the requirement.when it was
running with high speed it will draw more current.

what is mean by harmonics

1 Answers  

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If a contactor need to replace with faulty one. what I want to check?

2 Answers   Bhel,

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

1 Answers   Wescosa,

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Why ideally the internal resistance of voltmeter should be infinite and of an ammeter be zero

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When a 25kV line touches the train, will passenger get shock?

3 Answers  

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1)why the transformer rating in KVA insted of KW 2)why the secondary of ct is shorted and why the PT secondary is open

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from where the self excitrd induction generator get the power?why is the voltage regulation is poor of seig?

0 Answers  

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what is the difference between the electrical and electronic choke?

1 Answers  

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why batteries are rated in ampere hour

1 Answers  

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in transmission line 11kv is step up or step down? why?

5 Answers  

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Describe: Energy efficient motors

1 Answers   Reliance,

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what is saturation in transformer

9 Answers   Essar,

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