Answer / samy

Rising main IS

IS 8623
IEC 439

how we can measure the dc current instead of clamp meter ?

1 Answers  

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define the active power?

0 Answers  

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if we convert Ampers into kva,which one formula use by us,pls tell me?

10 Answers   ABB,

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Differenciate between circuit wiring and sub main wiring with illustrations

0 Answers   MU,

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why DOL starter is use in induction motor as it is not reduce the starting torque

2 Answers   Maruti Suzuki,

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why field winding is placed on rotor winding not on stator winding in case of synchronous machine?

13 Answers   HAL, TATA,

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A transformer is used to light a 24volts,70watts lamp from a 240a.c main.The current in the main cable is 0.35A. Calculate, (1) The efficiency of the transformer. (2) the current in the lamp.

1 Answers  

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can we use breather in a SEALED power or distribution transfomer instead of injecting nitrogen.

1 Answers  

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what are carbondioxide and dcp used in fire extinguishers

0 Answers  

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Am using an electronic digital display to see the RPM of ABB ACS 550 drive, which is showing negative value when the motor & drive in stop mode but it is showing correct value during the run mode. can anyone help me out??

2 Answers   Bala Power Solutions,

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What is the difference between online and offline UPS

1 Answers  

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whta is difference between contactor and breaker.

6 Answers  

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