Answer Posted / rk

TO REDUCE THE FIRE HAZARD DURING OIL LEAKAGE OR OIL
SPILLOVER DURING ANY UTWANTED SITUATIONS FOR INSTANCES SHORT
CKT. INSIDE TRANSFORMER. OIL IS FLAMMABLE IN NATURE.

What is polar plot?

1163

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Is it possible to protect 3phase overload and earth fault of the 3phase system using two CT's.

2102

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how to setting Load amps tripping time and extra settings for load Transformer protection relay with RMU panel using C&S model relay..?

1128

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what is high - pot test. what's its use?????

2180

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How the frame size of a flange mounted AC induction motor is calculated?

2055

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I have a current transformer with 1 main reading meter with transformer outside the building and a control panel having 5 CT reading meters with black round coils inside the building. I want to know, A) when current pass through the Transformers, will the current be reduced or be the same and after that B) when current pass through the CT meters with black round coils, will the current be reduced or be the same. C) in the above process will the reading of the main meter be same or different, from the total reading of all the 5 CT meters.

1803

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what is a pulse transformer? how rise time of pulse changes when ever the voltage changes?

1950

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why ht motors are star connected?

1867

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Please explain the following and how these are working with PLC unit 1.I/O Module 2.I/O Device 3.Adaptor Card 4.Ribbon Adaptor 5.RS 485-FC

1594

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should %impedance be high or low in a power transformer? if so why?

1919

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What are the main significances of root locus?

1225

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Connection diagram for KW meter and  Kva meter

2327

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how can found motors folt current ? how can disided circuit breakers caoicity and breaking capicity ?

2156

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Which power will flow first if we switch on a motor Active or Reactive? How?

5560

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what is the most permissible winding temp when we conducting a generator load test?(condition no load)

1714

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