Answer Posted / siva

the transformer stepup and step down ratio should be a whole
number so tat we go for multiples of eleven.for example
11kv/440v means the ratio will be 25:1.

Is any AC drive(VFD) had a feature of DC injection braking? if available please mention the detail. i.e drive can supply braking torque when the motor in idle state.

2220

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what is the use of static frequency converter and static excitation equipment? and where it is employed? for what?

3530

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1.what is difference between ATS & STS main use. 2.what is difference between ACB& VCB With symobles,and main partes, manimum range. 3.How many types of relays and main function.

6342

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where rlc series ckt used?

2244

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3phase motor can be used as a Prime mover for alternator.

1652

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What is the importance of counter based plan & how is it scheduled?

2069

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WHAT IS VCB SAFETY

1308

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Sir pl provide 5 year sample paper for post junior engineer(electrical).I have currently applied for junior engineer (electrical) on RRB Ajmer

3691

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EHV current carrying parts need to have smooth finish,then how can a 245kv GIS with emery finish can run so long?

1951

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How one can check the MAIN of a house wiring ?

2024

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WHAT IS MEANT BY DERATING OF THYRISTOR?

3015

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Can anyone provide with a SLD for HT panel installation for a 33KV line and distribution end has three 1.5MV transformers. Is it suitable to use OCB or VCB and also provide me the suitable rating and its connection diagram.

3407

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What will be the size of copper cable (each for 3 phase and 1 neutral) from Service connection Kit-Kat to Panel Board (i.e. to main switch) for a 6 pole 3-phase AC induction motor of 200 H.P. capacity? Amp-255 A, Frequency:- 1450 rpm.

2013

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a simple c++ program to calculate simple interst with its data members as private

1921

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How can we find the breaking capacity of a Load breaker switch (LBS) fed from 11 kv supply??ex:50KA, 26kA etc???detailed step vice answer pls.

2075

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