A 6-pole, 50 Hz, 3-phase synchronous motor and on 8-pole, 50 Hz, 3-phase slip-ring induction motor are mechanically coupled and operate on the same 3-phase, 50 Hz supply. If they are left open-circuited, then the frequency of the voltage produced across any two slip rings would be

2 Answers   L&T,

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why rating of alternator in kva & induction motor in kw

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What is the following which is printed on electrical appratuses like AC21 ,AC 23 , etc ?

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how to calculate energy of 3-phase motor?

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how much earth resistance consider to commissioning the transformer?

3 Answers   Deccan Cements,

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How does "OUT OF STEP" relay ,for Synchronous motor protection, work?

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how can we connect the capacitor bank to improve the power factor?

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why leading pf indicates a negative sign???

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How we calculate the spacing between the conductors in 11,33KV lines?

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How to connect a Restricted earth fault relay for 2000KVA,11/0.433 KV Distribution Transformer and What is the neutral CT ratio should be selelcted for 2000 MVA Transformer for estabilishing the Restricted earth fault relay

1 Answers  

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