Why we connect the capacitor in Delta?if we conect in Star what will happen?

9 Answers  

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I want to know if it is possible to use Variable Frequency Drive to reduce the current required for starting a motor?

3 Answers   Descon,

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what is the difference between induction and synchronous motor?explain in simple words?why 3 phase motor is given preference over single phase motor.

10 Answers  

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what is resonance in electrical circuit and its effect? where we get high resonance and low resonance?

1 Answers  

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We are planning to synchronized DG's with our captive plant in the event of black start of plant, but before sync we checked voltage of DG with our plant voltage and it varies from 5 V to 450 V. So in this condition how we can sync DG with plant ?

0 Answers  

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what is surge impedence loading

2 Answers   NHPC,

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A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is onbserved the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?

1 Answers  

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There are 2 Flip_Flop with logic between them. Given Clock to Q delay, logic prop. delay, set up and hold times specify maximum clock frequency of system. What happens if second output fed back to first input. Any changes? What happens with timing if second output is fed back to logic between the flops? Good Luck!

1 Answers   Qualcomm,

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what is effect of reverse c.t connection on metering.

4 Answers   Cushman Wakefield,

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I am interested to know what does 15 KVA DG set actually means? If I dont know the DG rating, is it possible to identify KW by simply knowing the diesel consumption?

0 Answers  

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How the surge voltage can be arrested in electronic devices

1 Answers  

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whta is difference between contactor and breaker.

6 Answers  

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