Answer Posted / salem

This is a electrical device for step up or step down the
voltages (AC).It has two terminals one output terminal
(primary) & other one
is input terminal(secoundry).

What is vacuum circuit breaker.define with cause and where be use it device?

1375

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what is the VA(Volt-amphere)? define with calculation?

1342

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11kv/433v delta/star distribution transformer primary side full load Ht current is 83.33A in , but input side VCB rating 800A.why?

1732

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plz tell me,ht and lt panel terminals in substations explain beiefly

2980

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What is the Surge for 1.1 Phase Induction Motor(For Eg.1Hp) 2.3 Phase Induction Motor(For Eg.1Hp) 3.AirConditioner(For Eg 1Ton) 4.Refrigerator(For Eg 180Ltr or 160kW) 5.Induction Cooker 4. Ceiling Fan

2117

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What is earth?

2503

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Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..

2150

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how we can calculate power factor in single phase & three phase ?thank u

2049

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Why and when NGR panel required. Is it necessary to design a NGR panel for a 6.6kV Alternator paralleling with Grid????

2814

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why 1.7Uo for HV cable Hi pot test?IE standard why?

2526

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How to convert a two phase power into a three phase power in induction machine?

1856

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

1571

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we are small scale industry in production of rice & rice bran. Pls let me know how to take contract demand for our industry.. (for information we have total 600.hp)

4497

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we can run 2phase as 3phase .what will be the differnce with respect to phase angle, power, current between the two modes

2308

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what is the power factor used by the PHCN in nigeria? 2. what is the difference between an alternator and generator. 3. Generation of poweris in KV but how is transmission is in MW. 4.If the transmission of power is 20,000MW how can it be increaesed to 80,000MW

8685

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