Answer / k.prakashchandra

the answer is in the question itself. Those motors are
energy efficient i.e.maximum efficiency and least losses

what is the last range of mccb in amp?

2 Answers  

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Transfer function is == ? a. Mathematical model b. System with no physical structure c. Can be calculated through differential equations

1 Answers   CCP,

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how to calculate the size of cable tray

3 Answers  

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How to calculate no of Lighning arrestors are required for protecting 50mX 50m*20m cubical building and locations of LA?

0 Answers   HAL,

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What will happen if 60 Hz rated transformer is connected to the supply of 50 Hz say 415 V (3-phase) step up to 3.3 kV...?? ?

2 Answers   Essar,

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how can get electrical "c" licence.i am complited in DEEE.PASSING YEAR OF 2010 I AM WORKING IN SPENCER PLAZA ELECTRICAL MAINTENANCE ,I AM DIPLOMA COMPLEATED IN ANDHRA PRADESH AND WORKING OF TN PLEASE HELP ME

1 Answers  

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Maintenance of transformer???

0 Answers   Adani,

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give me battery AH calculation in U P S

1 Answers  

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1.wat is the advantage of induction motor? 2.wat is diffrence between 1-phase and 3-phase induction motor?

2 Answers  

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1.what is use of isolation transformer. 2.Differance between KWH,KVAH,KVARH,KVA. 3.Main use of the CT and PT.

1 Answers  

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While connecting the flood light plug on to the 415 V distribution panel,there was spark and the cable got burnt. Three ignitors of the flood light also burnt of. The lamps are of 400 W (total 6 lamps) connected through 1.5 mm2 cable. The plug was immediately removed from the circuit. There was a 30 mA RCD connected and a 250 A MCCB; however both did not trip. What could be the possible reasons for the circuit devices not to trip?Can someone assist please. Additional info if needed can be provided.

2 Answers  

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Explain (in simple ) - root mean square. whats its role in electrical fundamandal.where its used

0 Answers   MRF, PPCL,

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