We are having a 2000KVA DG set. It trips with Over speed and Engne Hot when the mahine is stopped in full speed. How shall I analyse the block load and reverse power.Is the problem related to power factor. The machine which runs on this DG is having all Synchronous motors with incividual Drives.

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can we run the home fan both clock and anticlockwise direction

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why ct output is in 5A?

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How we can determine short circuiting current any plant and for example a plant which power generation is 415 volts and plant load is 500 kw.

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how can decide the current rating of oltc

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Why choke coil is connected in series with starter in tubelight??why starter is connected in parallel to tubelight??

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in CNC reference how to take? what kind of input give to the servo amplifier?

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Can anybody please refer the best and simple book for about Protection relays and in detail of all its protection ?

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What is the reason behind current flow(20 A) in amain earth cable of an SMDB? Is cuurent flow(45A etc) through a neutral cable acceptable?

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what will happen reduce the transformer voltage from 415v to 406v, is it save the energy,? are this methodis good to reduce the energy.?

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what are the stresses in circuit breakers ?

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i need project topics along with circuit diagram in the electrical and electronics engg and also some websites regarding projets.

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