i have gear oil pump with single phase motor.some time its motor starts running in reverse direction rather than forward direction...whats the reason behind this issue. 1- either capacitor is week? 2- or winding is week?

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write a program that prints prime numbers from 1-20 in digonal form

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when we decide to use soft starter drive or vfd drive in mcc to operate apump?

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Define non-touching loop.

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what is gapless metal oxide techniques?

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What is the difference between ohmic resistance and effective resistance?

2 Answers  

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What is the difference between grid and off- grid system??

0 Answers   GVK,

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Draw an S.L.D of the main panel for a hospital, showing meter position. Essential loads are: 1) Equipment load 100 KW 2) Critical load 500 KW 3) Life AID Safety load 400 KW 4) NON-Essential load 200 KW 5) Other service loads 200 KW Calculate and suggest the size of the transformer, size of main cable, capacitor bank, and calculate the capacity of an emergency load having above first three mentioned loads is supplied by an emergency generator.

0 Answers   FEWA, HMK,

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why we are useing capciter in EB meter?

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what should be distance between phase to phase in 415v system?

1 Answers   NTPC,

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how we can calculate cable size of 230v,1 hp single phase motor ? panel to motor distance is 25 meter

4 Answers  

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what is negative phase sequence

1 Answers  

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