Answer / raja

RMG (RING main Grid), VCB, TX Primary, Nuterl CT.

what are the standard values for resistances(Megger testing) between L&N, L&E and N&E (L=Live,N=Neutral, E=Earth)?

1 Answers  

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when current lags behind voltage how does it affect the circuit.In other words what is the significance of lagging current?

3 Answers  

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What is meant by pitch of a synchronous machine.??

1 Answers   Kirloskar,

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What is difference between ct&pt transformers?

4 Answers   Adgas,

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Why we use circular(Stepped) cross section in transformer core?

0 Answers  

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My question is whether bellow formula is correct to find bus size for 46kA for 0.5 second & what is RT in bellow formula. formula to calculate the size of busbar to withstand the thermal stresses due to currents with duration of 0.2 sec to 5 sec. Sp = RT( I x I x t) / K Where Sp – is the cross sectional area of bus bar in millimeters. I -    is the value of AC fault current. t -    is the operating time of disconnecting device in seconds. K –  is the factor depending on the material of the conductor, insulation and initial and final temperature. Value of ‘k’ for copper is 143.

0 Answers   Premier,

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How we calculate the average power factor if the one phase is lag and another one is in lead?

1 Answers   DigiTech, MCR,

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IF we have three 30KW motor, these motors are connected in DOL, star-delta and VFD respectively, what will be the fuse rating for the above three?

7 Answers   DOL, GSK, Ojus,

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solar inverters was not connected to the nuteral link .this nutwral possible to any other systems

0 Answers  

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Why the ceiling fan rotate in anticlock wise direction whereas tables fan rotates at clock wise direction?

3 Answers  

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What is differance between Slip ring motor and Squirrel cage Motor ?

2 Answers  

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y we are used signal conditioner in capacitive transducer

1 Answers  

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