Answer Posted / sreejith

3 is correct

EXPLAIN THE TRANSFORMER MAINTENANCE?

2292

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If I want to buy a new Xformer for my plant what are the main parameter will I need to check?

1901

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Why we are using Isolation Power Transformer inplace of commercial power transformer? What's the difference between them?

2170

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What difference between ref protection and differential protection ?

1862

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How to detect voltage vector shifting in interconnection protection.

1908

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Can you used moeller lzm1 mccb in a dc system with 125vdc and 20ka short circuit current , beside is it have 24 or 48 volt shunt ? Beside how long current can through from An MCB shunt contacts? (like Z7-AS 24 V)?

2089

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Match the following a)(X'+Y') b)X'Y' C)XY 1)NAND 2)NOR 3)Carry

1933

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Define average demand?

1366

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How to calculate the input cable rating for 10kva ups (3phase input and single phase output and also 3phase output, battery rating 65Ah)provide the formula also.thnx

2222

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What is the importance of counter based plan & how is it scheduled?

2018

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how much excitation voltage required to generate 1mw power?

2049

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What conditions are required for transformer to operate at low frequencies ?

2012

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What are the no-load losses for the 11000/415V transformer with the following rated capacity? 1.1500 kVA 2. 2000 kVA 3. 2500 kVA 4. 3000 kVA

1759

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why we use Test Terminal Block in 11 KV and 33 KV electrical panels.

1379

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What is the disadventage of gland earthing(power cable) if any. ?

2124

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