what will happen if neutal in AC ckt will get open

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why do we prefer a 3-phase delta connected load rather than star connected?

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why some harmonics are disturbing while the others not

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when we switch on the switch and load is not connected at home,is electricity wasted?

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what is the difference between Ith & Iu rating in MCCB. Particularly on SACE ABB Circuit Breaker?

2 Answers   Siemens,

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in a 740 kw dc seperately excited motor field voltage is constant about 17.4 volts and armature voltage is500 volts dc. how it is possible to have two different voltages from single transformer of output voltage 500 volts? if any difficulty in question contact ajitsingh.kadian@gmail.com

1 Answers  

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What are the implications when the power factor is is leading condition ?

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why the efficiency of the dc machine is high ,when it is operated as a generator?

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Can earth resistance be measured without connecting the earth electrode? and should earthing connections be disconnected What is the effect of connecting two cables of different sizes in parallel with supply? Thanks in Advance. I am intrested to get in touch with some tecnocrats/engineers,my mail i.d is : hiremathvijay@rediffmail.com

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What do you mean by screen of power cables?

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How to prepare electrical preventive maintenance plan & shedule of machine tools.

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Witch do depand of Power factor and theory of power factor?

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