why are transformers rated in KVA and not in KW

8 Answers   ABB, Bosch,

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plz tell me the potential difference between phase and netrul

2 Answers   CGL,

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hello if any one have papers vof hpcl or sail, plz send me

0 Answers  

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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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how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

0 Answers  

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Essential condition for parallel operation of two single phase transformer is that they should have same A polarity B kVA rating C voltage ratio D % impedance

1 Answers   wbsedcl,

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why dc source used for HV breakers and Relays operation?

2 Answers   Cethar,

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if the diameter of a conductor is 'R' then what is the distance between two bundle conductor in a phase?

1 Answers   NTPC,

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what is the contact resistance of vacume circuit breaker??

1 Answers  

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What is Ton Capacity of Air Conditioner?

1 Answers   TATA,

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please I wont know how to calculate the vector group for power transformer ZNyn11 best regard.

0 Answers   Al Rasikh,

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Can u Explain about the electronic trivector meter and the use of data converters in them?

0 Answers   Tricom,

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