Answer Posted / dave

Metar ct retio 2oo/5 and li ne ct retio 2oo/1 what is a Metar mf

which one is more efficient, torq, power & ecnomy with the same frame size AC motor / DC motor?

2119

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Is it posible to instal one more SMDB from the existing SMDB and is it practical.

2033

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what is meant by CT`s saturation ? Can we use Metering CT`s with Protetection CT`s ?

2127

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Why do you have to use Protecion relay with the function MTB ( Mechanical Trip Button ) for electrical system.

2139

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Explain the iniluencc of short circuit ratio on the pert'orniancc of synchronous machine.

2143

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how we decide the require size is this for a known current at fuu load?

1900

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A 2083kva AVR was tested, phase to ground shows continuity, what is the implications

971

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What is the method for testing the differential protection stabilty in generator? When the time of starting What will happen if differentail protection connection wrong means?

2226

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How can I known multiplying factor .without multiplying table

1741

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In ups static switch if i gives the supply at output end it will open the circuit in stactic switch or not if it will open then how it operates.

2240

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What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works?

1931

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what do you mean by type zero control sytem ?Give an practical example of type zero contol sytem?

1904

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for 100 HP Induction motor service factor is 1.2(SF) we placed a VFD at the motor side load is balance with 0.3 Amp's Phase to Phase but at incoming of VFD load is un-balance with 10 to 20 Amp's what will be cause of load un balance

1891

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what is working process of star delta controlling circuit ?

1819

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How to calculate the External Resistance required for 60HP slipring motor in case no any data of the Motor is available???

2009

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