Answer / satya dev

For Alternator..... Over Voltage & Under Voltage Relay,
Over current & Earth fault relay but all these are not
directlay connected to alternator, It is connected to the
ACB of alternator to safe the Same during faults.


For Transformer...... Buckholz Relay, Winding temperature
Indication(Alarm & tripping system) Oil temp. Indcation etc.

Answer / taju

For Alternator- Under/over voltage protection,Reverse
power,under/over frequency,ground fault protection,

For TXR-Buckholz rely,winding temperatur,Oil
temperature,ground fault protection.

how to select the rating of neutral ct with reference to transformer secondary current(in power transformer,stepdown tansformer,for example2000kva,11kv/415volt

2 Answers   ASD Lab,

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how does a submersible pump work..?

0 Answers  

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Iam Preparing For Ap Transco Assistant Engineer (ELECTRICAL) Exam how To Prepare What Is The Refernce Books.can You Give The Advises To Me.tahnk You. This Is Radhika Iam Preparing For Ap Transco Assistant Engineer (ELECTRICAL

2 Answers  

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Does induction motor start with dc power supply????

4 Answers   Essar,

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why synchronous motor has zero starting ?

8 Answers   NTPC,

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What is the ratio of Booster transformer?

0 Answers  

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Why we use mho Relay in long transmission line?

0 Answers  

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why lightning arrestor are made by 2 stack of insulator but why cvt are fully 1 stack of insulator.

1 Answers  

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How amny AH battery required for 600va inverter ?And how many hours it will give backup for ceiling fan ?

3 Answers   HCL,

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which gas is filled in CFL

7 Answers   Lumax,

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Tesla is the unit of which parameter?

4 Answers   Ecil,

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respected sir, sir recentely i have applied for chennai and tiruvananthapur section enggineer and juniour engg in electrical dept. but still i donot get how i have to syart my preparation and also t the same time i donot know exactly what they r going to give in the examinations i mean which sections they r going to give i donot know exactly, can u prefer whichh books i have to follow and model papers or both boards

1 Answers  

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