Answer Posted / k.prakashchandra

phase sequence is important. If any phase of gen is
synchronized with R phase of the system ,then that phase
becomes R phase.

is it possible to say motor horsepower number without seeing name plate(when name plate damaged)

2078

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how we decide wire gauge for ac or dc coil and what is the basic diff. B/w these two coil?

2188

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what is the difference between rectifier and converter and commudator?

1932

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Differentiate between digital phase converter and ordinary phase converter.

1234

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Comment on the working principle of operation of a single-phase transformer.

1195

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how pt is using

1940

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for what voltage will reactive power be largest in 380 kv line : a) 375kv b)380kv c)385kv

1475

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what is the relation between knowing of the distance between power transformer and the capacitor feeder in case of parallel operation

1980

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A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is observed the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?

2311

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what type of motor used to move a 1 ton gate? and relate ratings with load.

1805

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Pl. give me checklist for installation & commissioning of machine tool.

2297

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what is meant by carrier aided trip protection in transmission line

3916

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Give details on how you intend to handle a challenging position you are posted to manage unexpectedly as a company staff?

3302

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In EB metering we face problem kva jump even in no load condition.can any one help to control this

1832

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How many types of oil using in H/T & L/T Oil Circuit Breakers. need Explenation ?

2902

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