What is ideal IR values for ground and neutral.

0 Answers   Hindustan Power Projects,

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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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How much UG cable size should i use so as to accomodate a ground + 2floors house. A 1.5ton AC & geysers(2) in each floor with lightings

2 Answers  

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7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?

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define transformer

1 Answers  

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plz tell me Motor IP formula

0 Answers  

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what is the higest transmission voltage and generated voltage in india

14 Answers  

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what types battery chargers are there?wanted with details.

3 Answers   SCS,

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why the generator efficiency is greator than motor?

4 Answers  

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what is brushless generator?

2 Answers   Jk Tyres,

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Installation method of self treated earth electrode.

0 Answers  

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what is difference between RCB,RCCB &RCBO?

3 Answers   ABB,

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