Answer / vishnu vardhan reddy

Star delta starter used for air compressor, feeder side check all connections tight the loose connections check fuses,check contactors blades cleaning,check olr ,blowering feeder,motor side TB checking, Megger the motor, blower the air filter,check the junction box

what will happen if the connections of protection ct reverse? will it burn the ct?

2 Answers  

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can i use 4 number of circuit breaker as single phase manual change over switch? if yes then how plz also send ckt diagram at nazimzamurad@gmail.com

0 Answers  

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Which Machine u will prefer to use at a place where flammable gases are coming out & why ?

4 Answers   NTPC,

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What is an ac motor?

0 Answers  

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What are the section criteria for cables. Now everywhere XLPE power cable is used or PVC is also used?.

0 Answers   DAE,

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why generation is done in delta nad transmission in star? brief

3 Answers  

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How i can calculate current of cable according to ares?

0 Answers   Pharma,

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what is 11kv cable

1 Answers   bscpl,

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when we megger is not damaged when we are measuring very low resistance? high d.c. voltage is produced in megger so according to i=V/R. current will be high so what is the reason ?

1 Answers  

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if field current decreases how can the speed increase in the unloaded dc series motor

1 Answers  

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why voltage swells and dips in transmission line?

2 Answers  

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why dhyedration test required for transformer oil once in a year

1 Answers  

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