Answer Posted / md.mahmudul hasan

we need to consider short ckt(KA) also. Say short ckt level
is 20KA then we need to select busbar accordingly.

How to choose the vector group for the step up and step down transformers??? Tell me the which vector group is suitable for step up and step down transformers and whats the reason to choose and whats the benefits???

2229

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if 2 coil of 1000W connect in series and 200 v is applied across it . then what is the total power of coil when coil have only resistive load .

1899

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what is the difference between circular wdg & ractangular wdg?

1998

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I want to know Electrical Circuit?

2106

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how dia of wire and angles are calculated for overhead shielding wire to protect substation equipment from lightening strokes???

1981

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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

1958

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What is force on a conductor in a magnetic field ?

1014

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1692

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What is the control action?

1076

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Draw torque - speed curve and load curve of induction motor? mark operating point ?

1995

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can someone explain that how the speed of the protection system affects the fault level calculation?

2013

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can anyone please help me to find the rupturing or breaking capacity in KA of circuit breaker (MCCB,VCB,ACB etc) of HT and LT side of a distribution transformer...please help with detailed step by step answer...thank you

1937

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What current flows in the transformer primary when its secondary is open?

1153

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How much ph is maintained of water resistance starter for slipring induction motor ?

2346

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why in an industry; machine having rated 200 h.p stopped after power factor is maintained above 0.97 lag by control panel in view-of energy saving

2105

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