Answer / hiltipower

when breaker in rack in position its limit switch closed
for only automatic operation when breaker rack out another
limit switch closed at rackout position so only manual
operation or test position operation possible

What is the criteria for deciding whther fire wall is required between two power transformers

1 Answers  

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what is mppt (maximum power point tracking ) and how they used in solar power generation ??? what are the main components used in mppt?????

0 Answers  

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diesel generator not getting start so whats problems will happen to DG and how we can start DG

1 Answers   Lodha,

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when an induction motor runs on load.at that time if we reduce the supply voltage the current increases.But when it runs without load,if we reduce the supply voltage the current also reduced.why?.i checked it practically also.

1 Answers   Birla,

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what is the function of 1 phase preventer?

3 Answers   ABB, Electrical,

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Difference between ELCB and RCCB?

5 Answers  

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should Dy11 and Dy1 group can be operated in parallel??????

1 Answers  

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1. what is the meaning of bus? 2. what is the dc transformer? How it work 3.what is the function of the serge absorber? 4.How the CT and PT rating calculate/

1 Answers  

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What happens when generator is running with leading power factor on it say -0.96. what are the effects of it on alternator and the other generators operating in parallel to it.

2 Answers  

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in a dc motor we supply current only to the armature conductors,from where is the field winding gets excited then??

3 Answers   RRB, Siemens,

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Short circuit test of induction motor is carried out to compute= A stator resistance B rotor resistance C magnetizing reactance D stator reactance

2 Answers  

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why do we have 230v a.c. as general voltage for domestic supply rather than others?

2 Answers  

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