how to calculate the phase diffrence beetween given two equetion  y= 15sin(wt+pi/3) and y=10sin(wt-pi/4)

1 Answers  

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which fault is severe and why?between lll fault and lllg fault which fault is severe and y?

0 Answers   GE,

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why we use tapechanger in primary side of transformer

5 Answers   Bhel, L&T,

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how can we calculate that how much capacitor is needed for a system to increase the pf?

5 Answers  

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How can i check a relay good or not?

2 Answers  

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How can we calculate the efficiency of a Running (On-Load) Motor ? What parameters are required and what is the method ?

0 Answers  

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What is the comparison between 30mA DP RCCB and 100mA DP RCCB and can replace it against 63A MCB

0 Answers  

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What is the maximum No. of out going mccbs permitted from an LV distribution paqnel? What is the ampere relation between incomer and out going switch gears/mccbs?

0 Answers  

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what is cascade speed control device?and how this device control the speed of motors?

0 Answers   ABB,

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IN 500 KVA TRANSFORMER 11KV/415 VOLTS HOW TO CALCULATE THE HT CABLE SIZE AND LT CABLE SIZE FROM TRANSFORMER TO LT PANNEL. AND HOW MANY MAINSWITCHES OR MCBS WITH RATING ARE TO BE PROVIDED

2 Answers   BSF,

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How can we deside Short Ckt level of electrical System,Breakers etc.please provide formula to find SC of HV side & LV side

0 Answers  

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What is breather? why we use it ?

3 Answers  

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