the inertia constants of two machines are respectively 30and 42 MJ per MVA.when the change in frequency due to change in load in first machine is 12 Hz,the change in second machine frequency will be?

1 Answers  

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Can a dc motor works as a dc generator. If yes , then how?

2 Answers  

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what is the profesional board for electrical engineer what is thepast and during construction for electrical engineering

0 Answers  

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how system fault level is calculated?

1 Answers   HCL,

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what will be fault level of 11 KV , 2000 A ELECTRICAL SYSTEM?

4 Answers  

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how to calculate cable size, olr rating, contactor rating and mccb rating,to below given details three phase motor 75 kw,415 v,.85 pf,50 hz?

5 Answers   Cabin Crew, Essar,

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why measure the gravity in battery?

2 Answers  

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How to calculate the breaker's short circuit current?

1 Answers  

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What is the loss of transformer of 220kv/11kv, 63/80 MVA and 18.05% impedance

0 Answers  

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How can we convert the motor to generator and also generator to motor

2 Answers   Aesco,

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Why is it preferred to use a wattmeter(s) to measure power in three phase systems rather than using a combination of other instruments e.g. voltmeters, ammeters etc?

2 Answers  

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why the genearation of electricity always in form of sine wave only ??? why not cosine wave ???

1 Answers  

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