what is the function of a starter in a motor? explain RLC circuit.

14 Answers  

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Three phase power is measured with two wattmeeter for balance three phase load.the reading of one wattmeter is zero.we can conclude that the power factor of balance load is?

1 Answers  

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To generate electricity , what is the speed of rotor?

1 Answers   JEC,

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Advantage of earthing transformer

2 Answers   EID Parry,

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why the excitation is necessary to produce the reactive power

2 Answers  

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Why the colour of insulator is always is chocolate in colour?

1 Answers   MRF,

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why the Parameters : Base Voltage & Maximum Voltage can't be equal in value in a VFD (Variable Frequency Drive) ? How much the base voltage would be lower than the maximum voltage ? If 400 V is the 3 phase output of a VFD ... then what should be the base voltage ? thanks a lot

1 Answers   Yaskawa,

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how to calculate the earth fault current

0 Answers  

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how to select electronic timer(Star-Delta) setting for diff. rating motors

0 Answers   Getrag Ford Transmissions,

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Can Anyone Answer anyone of these ? Q1) why direct SOLUTION of Load Flow Studies in Not Possile ? Q2)Why majority of Buses in power system are load buses Q3)Why one of the buses in Power system is taken as reference bus (slack or swing) Bus ? Q4)Bus Admittance Matrix is a sparce (means it contains some zero elements ) matrix , give reason

0 Answers  

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Differenc between the resistance and resisters?

5 Answers  

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How do we measure earth fault current in Generator Transformer(20/420kv),Station Transformer(20/11 kv) and Unit Transformers(20/11kv) for our plant system, since these don't have any Neutral earth Fault relay connected to their Neutral Earth? But for Unit Service transformers(11/.433 Kv) we have an Earth Fault Relay connected to its neutral earth.Why is such so?

1 Answers   NTPC,

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