Why the output of generator varies eventhough the shaft speed is constant in thermal power plant?

5 Answers  

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Does dry and oil transformers both require dedicated neutral, because in my project we are using 2500kv dry star delta transformer, where they say neutral not required and even it is not provided in our substation. can u let me know

2 Answers   Voltas,

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why dc series moter is not started at no load?

5 Answers   IOCL,

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Welding machine

1 Answers   CEL,

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why the earth conductor in top of the tranmission line ?

2 Answers  

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If the Power Factor of generator is 0.85...What does this mean and Can the motors connected to this generator operate at PF more than 0.85 ?

1 Answers  

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If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021

0 Answers  

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Sir We have a REF relay connected to 10MVA(Y-Y) Transformer.on External earth fault REF relay trips along with earth fault relay.The REF relay has no complant as we tested relay.Why is it happening?

3 Answers   KSEB,

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Why r used of cable 50sq.mm and above size cable in 3.5 core. And below size in 4 core ? any technical reason please explain it

2 Answers  

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how to compare with Relay settings for HT&LT panels, RMU panel, and PSS CSS transformer?? 1) Load amps, 2)Tripping time, 3) CT ratio, 4)Cable size 5) Transformer KVA rating 6) transformer full load amps

0 Answers  

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my N-P 230 VAC at 3 wires but i haven't any voltages at phase to phase whither my supply is 3 phase, why i haven't received these line to line voltages ?

2 Answers  

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At no load the PF of an alternator -Zero -Zero Lagging -Zero leading -None of the above

2 Answers  

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