Answer / saleem pasha

the diesel generator is a combination of diesel engine couple to a generator( alternator), the engine is a prime mover which in turn rotate the rotor of generator as a result it induces EMF across stator first,the engine has to be started either manually or by electrically, if the engine is of high capacity then it has to started electrically with the help of electrical starter motor, initial crank or rotation to the engine is given by motor with a high starting torque so as to start the engine , when the engine picks up speed the starter motor is disconnected and pinion is detached from the fly wheel of engine and engine run on its own,and rotor of the generator which is couple start running as long as the engine is running and produces and supplying electrical power.

Answer / sathish charles

to reduce starting current ,,because all the dc motors are
self started

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what is the senstivity and stablity? what is different?

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Can u tell me about HVDC transmission?

6 Answers  

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2 Answers  

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1 Answers  

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why we r used APFC Panel in industrial area.when P.F. low then wat will be the effect in our system?

10 Answers   ABB, Georgio Rocks, Piramal Healthcare, Zenith Engineering Corporation,

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What are the protections to be used for Generator?

3 Answers  

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explain 100 percent and 95 percent earth faults

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1 Answers   Honeywell,

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Define piezo-electric effect?

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Hi, I've just got into my electrical engineering course and I need some help with a question of mine here. During a site visit, we were shown a main LT panel which has switchgears, ammeters and different kinds of relays and the distribution network from that panel. In the main LT panel I've noted down the current readings as Ir - 163A, Iy - 150A and Ib - 147A. The Line to Line voltage is 415 V at 50 Hz and Line to Neutral voltage is 230V at 50 Hz. From the above details, how would I calculate the kVA rating of transformer? The primary side voltage of the transformer is 11 kV and the secondary side voltage is 415V and the frequency is 50 Hz.

2 Answers  

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