Why a Permanent Magnet Generator has higher frequency as compared to frequency of main alternator?

0 Answers  

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what do you mean by type zero control sytem ?Give an practical example of type zero contol sytem?

0 Answers   Bhel,

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What are Directly Exited Generators?

2 Answers  

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What is the Maximum Power generation capacity of a Synchronus Machine ??

0 Answers   ETA, NTPC,

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what is the purpose of ignitor in lighting fixer

1 Answers  

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WHAT IS THE SIGNIFICANCE OF VECTOR GROUPS IN TRANSFORMER? WHAT WILL BE EFFECT WHEN PHASE DISPLACEMENT CHANGES IN TRANSFORMER?

5 Answers   ABB, Nissi Engineering Solution, NSL Sugars,

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what is the CT of protection and CT of metering ? what is class 5P10 & 5P20 and class PS ?

16 Answers   JEE Main, ONGC, VRA,

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What is an 86-P or an 86-A trip

0 Answers  

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Do closed loop systems require manual input?

0 Answers   GE,

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What is the working principle of servo motor? And explain it.

0 Answers  

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What is the maxvoltage drop allowed at any healthy joint at full load ?

1 Answers   Kirloskar, Seyadu,

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In chillers & freezers which gas will be use?

3 Answers  

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