WHY TRANSFORMER RATING IS MENTIONED IN KVA RATHER THAN KW

5 Answers  

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For a spring controlled governer the relation F = ar+b (F is the controlling force, r is the radius of rotation a and b are constants), indicates that the governer is

0 Answers   Caterpillar,

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relation between voltage and frequency.

5 Answers   IIUI, Lucky Cement, Reliance,

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Why are lt windings placed near the core?

0 Answers  

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if the transformer at full load have a iron loss =900w and copper loss = 1600w . what percent of the load will the transformer has a maximum efficiency?

3 Answers  

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Which system is best for industries 3ph 3w or 3ph 4w?

3 Answers  

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Is a contactor (or master relay) required between incoming lines and a VFD? The question goes to safety. If a contactor were used before the VFD and an e-stop engaged then the motor will coast to a stop (i.e. VFD loses power) instead of stopping much faster if the VFD braking fucntion were used. It would make more sense to keep power on the VFD.

0 Answers   Pride Hotels,

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what is the main difference between power devices and signal devices

0 Answers   Wipro,

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what diff. between earth nd neutral?

3 Answers   NTPC,

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What is the IS standard for MCCB to be use (As per capacity of AMP)& for ACB also.

0 Answers  

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What is Magnetic Current Test of Transformer.

2 Answers  

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when 20hp 3 phase motor start no load condition in star or delta connection.find current and write formula.(tariq)

0 Answers  

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