Answer Posted / sundar

Dc system direct current or direct voltage system.This is getting pulse depend from incoming source.
Single phase system giving pulse positive and negative pulse but positive single pulse only negative ground.Two phase system giving four pulse ..
Negative pulse like ground.If you touch negative when circuit is not closed no effect?O effect?

what things to be considered when designing UPS

1778

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what is auto re-closer?

2636

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why do we measure VIBRATION in -24vdc and why we adjust gap voltage -9vdc to 10-vdc? i am trying to get this information since 5 years, yet i haven't get reliable answer, i hope i can get from you.

1856

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in electrical control panel. how can i choose the cable rating. (example - 11kw motor, 18-25A mpcb}

2859

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What does the term “voltage regulation” means?

1101

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Maintenance of transformer???

2263

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what is the difference between fault current ant short circuit current?

2703

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Whether should be the oil level in OCTC transfomer? It should be upto winding immersed completely or should be upto tap changer s/w? How it will affect the performance of the transformer. Rating may be 33KVA

1838

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Benifits of 3ph 4 wire metering over 3ph 3 wire

2477

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How can we connect additional batteries to three phase ups? What are parameters we have to check when connecting?

2081

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What is the numerical quantity of sqcm?

2032

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description with working of all parts of a Diesel generator???????

2483

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Define ampere

1306

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what is transformor oil gread

2540

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Is there any guideline say about display of earthing value near to earth pit

1204

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