why d.c produces corrosion

0 Answers  

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An engineer measures the direct current resistance of a transformer using ohm meter. When he/she takes out one of the leads of the meter, spark comes.. Why ?? This effect is known as...

1 Answers   Saint Gobain,

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What is the rating of a circuit breaker needed for 300 kv load in 33KV supply line of 33/415 transformer ? Whether 800/1200 amp vaccum circuit breaker can perform for a 33 KV line in input in 415 volt in output of the transformer ?

0 Answers   Hira Group,

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Draw a SLD of DG distribution up to main LT panel?

0 Answers   HSL, TATA,

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What is the formula for finding fault level of generator?

11 Answers  

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1.Can anybody explain Why starters are not used for motor starting in industries? 2.

7 Answers  

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When i went to a interview the interviewer ask me a question for that i cant able to answer him if anyone knows answer me How will you design a capacitor bank for a plant? if my p.f is 0.6 i have to improve it to 0.9 or 1 what kind of steps i have to do? and is there any formula for calculating this?

2 Answers  

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Why transformer rating in kVA not in kW?

5 Answers   ABB,

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what is the use of pmg in exciter?

3 Answers  

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Why is the air gap between the pole pieces and the armature kept very small?

0 Answers  

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1. The DC generaror,s induced output emf is connected with a DC motor(as load). when increasing the load of the motor by using brake drum or any way. what are the parameters will changes in both motor and generator(voltage, current, resistance, frequency, speed, torque, power, flux etc...) 2. Similarly for AC generator and AC motor 3. similarly if using DC batteries instead of DC generator, What happens?

0 Answers   IBM, Kirloskar,

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Stepwise process of Northern grid failure in 2012!? (dont copy paste from wikipedia)

1 Answers   Rashtriya Ispat Nigam Limited RINL,

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