Answer Posted / ameer

Turns ratio=Np/Ns
Transformation ratio=Ns/Np

What is formula calculation size cable wire ?

1950

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is oil viscosity affect on motor current?

1999

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Explain in brief description about the operation of DG sets.

2450

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A 400 V, 50 Hz, Δ connected synchronous generator has a field reactance of 0.1 Ω and armature resistance of 0.015 Ω. At full load, the machine supplies 1200 A at 0.8 pf lagging. Under full-load conditions, the friction and windage losses are 40 KW and the core losses are 30 KW. What is the machine’s overall efficiency? Ignore any field circuit losses.

1920

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What is the difference between cylindrical-type and sandwich-type winding?

1454

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What is superposition theorem?

1193

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we have amp, voltage, kw, length detail then how to calculte copper & alluminium size of conductor of 3-phase induction motor

1463

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whatis the commertial spec. of distribution boards ?

2075

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what is the difference between rectifier and converter and commudator?

1960

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What are the effects of electrical faults?

1027

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sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company

2175

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How we can calculate the consumption in kwh of motor on basis of kw @100% load, @50% load & @ no load.

2796

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In convertor can we use rectifier thyristor in place of invertor thyristor with explain.

1818

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how electical engineer is related to apsrtc (general) post? if they ask a question in interview as why did u choose this job what shd be answer

2206

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what percent do you derate your copper wire when you change from copper buss to copper wire

1991

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