what is scan time of PLC & in which factor scan time is decide

3 Answers   EEEC,

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Under Ground Power cable earthing is required at both end or single end? and reason for the same

3 Answers  

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How we check vector group for a Dyn1 transformer?

6 Answers  

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whu does the power factor of diesel generator always be 0.8. please explain

5 Answers   Dalkia,

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What is meant by SMPS how it working ... and where it used

2 Answers   MTS,

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in a silicon diode we can measure .7v in a voltmeter.but why we can't use this voltage for using?

0 Answers  

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suppose MCC (Motor control center)panel work on field the relay on this damage or not work and earth fault occurs in this and no indication in relay panel given below. than MCB trip or not and what effect the panel how find relay will damage or not work.

2 Answers  

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DG use Rating KVA why

1 Answers  

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What motor is used in ceiling fans and what motor is used in table fan.? why table fan is costlier than ceiling fan?

6 Answers   Bhel,

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what is extra low voltage system

3 Answers  

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different types of electrical cable?

1 Answers   Green Power,

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why 15 kw motor winding resistance is low then 5 kw motor winding resistance?

0 Answers   Baosteel,

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