Answer / k.prakashchandra

Voltage ratio is equal to turns ratio

Answer / varun kumar

The ratio test for measure the ratio between primary to secondary with each. From this test we can determine the each tap alignment and Their ratio error

Why there is a current in neutral line

3 Answers   Honeywell,

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What is the full form of CNC in electrical mechines.......?

1 Answers   Alstom,

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If the capacity of water Tank is 50000 Liters situated at 20 meters height from ground level,What would be the size of pipe and how much USGPH water will be supplied and what will be the motor or pump rating used for this work?Illustrate by showing formula?

1 Answers  

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how is the magnetic current test is different in delta-star and delta delta transformer.

0 Answers   Bhel,

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in most industies hormonics present up to some level. what is limit ? and there effect?

4 Answers   Bhel,

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A 100 MVA transformer may be cooled with?

6 Answers   HCL,

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Recently we had experienced following problem All RCCB breakers (connected to the load as well as spares) connected to various UPS systems at various floors at a high rise building tripped during a power break down and upon starting up of generator.This Generator is recently inducted into the installation. Can any one explain the reason behind this tripping. Regards Viswanathan

1 Answers  

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What is meant by class of CT&PT?

1 Answers  

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why induction motor takes high current?

1 Answers   Emerson,

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in soft starter system for 375 KW 3 ph induction motor for multi stage vertical pump, two thyristers failed causing shorting of thyrister. the motor winding failed while starting.What is the cause and what is the effect in above case

1 Answers   KPCL,

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In order that work may be done:(a) Two wires are necessary(b) The circuit must have a switch(c) Coal must be burnt(d) A supply of energy is required

1 Answers  

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At light load transformer efficiency is less because A secondary output is low B transformer losses are high C fixed loss is high compared to output D copper loss is small

1 Answers  

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