Answer Posted / raghavendran.r

Mech Efficiency = [Volume in(m3/Sec) * Average Differential
Pressure]/[102*power input to fan shaft in KW]

In diesel generator how AVR get voltage to excitation. And basic diagram DG EXCITATION CIRCUIT.

3302

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What is the difference IN MCCB's between thermal magnetic and electronic tripping system ?

2025

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how can we understand that where we have to use ac or dc coil for solenoid valve and why?what is the different between coil of ac and dc explain please.

1962

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UG cable sizes were specified in sqmm. But practically its not coming to mesure. What's the reason for that? And how they specify the size of the cable?

1918

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Electrical Engineering

2043

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what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.

1433

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If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

2194

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why use phase displacement in transformer.and effect of phase displacement on transformer

2847

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Does magnetomonopoles exists? one maxwell equation strongly suggests no, but how about their existance in plasma?

1987

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Why have to use copper cable for local isolator to motor ?

2077

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how to select overload-relay for perticular motor 1.for D.O.L. starter 2. for Star-delta starter ????

2812

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how to calculte capacitor range for single phase induction motors??pls tel

2110

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What happens to voltage when current through the inductor is constant?

1108

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Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault

2102

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what is counter poise conductors

2140

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