Answer Posted / jile singh

piu(power interface unit) convert 3 phase ac power supply in
230 volt ac with stablised and no surge and interference
effect. piu mostly used in telecom sector for providing ac
supply to all equipment used in shelter and also control dg
and consist a lot of protection and showing alarm indication
and record events upto 500.

Why an ac systems are preferred over dc systems?

1151

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What is main cause of cable's terminal point burned in Lug on high temperature although lug and cable selection is ok as per stantard and also tightness is ok as per situation. so please take in deep and tell correct answer thanku.

8392

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Why is tan-delta test and capacitor measurement done on alternator?

2268

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Explain the operation principle, advantages and disadvantages of the following converters: a) A 12 pulse converter b) A Switch-mode inverter c) A thyristor inverter

2120

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what is ic 01,ic 06 ?is it types of cooling?

4371

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how can motor both beasrings insulation resistance can be check?

2072

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How to measure power in 2 or 4 or n phase circuit? Please give me a formula.

1958

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Can a generator runs after getting 1st stator earth fault.

1471

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1.what is difference in maintain Hz again Hz in USA ? 2.how to calculate the battery AH? 3.why are yearly maintained in transformer how many tests in required?

2816

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why are the maintaine power factor and how can this control and this is how work.

2023

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how to erect roof control panel?

2099

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Why the earth to phase voltage is high 250 compare to other two phases

1566

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how we sesign the transformer give some specifion regarding design of transformers

1978

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How to work definite,over pluxing,revers power,OSR relay

1858

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Why does an induction generator is preffered as compared to synchronous generator in especially a wind energy power production project?

2174

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