Answer Posted / sandy

if ct ratio is 100/5A then multiplying factor will be 20.

How to calculate phase to phase difference ?

2232

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in general it is observed in power stations, the tertiary winding is used in higher rating Y-Y auto transformer but not in Y-Y power transformer. is the tertiary winding is compulsory then why it is not using in power transformer 

1786

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What is the lifetime of a Thyristor? Is there a recommended lifetime for thyristors after which they should be replaced?

2684

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What is the armature mmf in a D.C machine?

1218

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What are the weight of 800KV DA,DB and DC type tower ?

3126

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Dear Respected sir how to test ABB REX521 protection relay by relay tester.

2729

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when we gave dc supply to 220v dc motor its rpm is 1200. then we gave 180v. how many rpm of its motor. gave answer with calculation at my ID.... ravizak@ymail.com

2329

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what is thresold of perception

2050

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why in an industry; machine having rated 200 h.p stopped after power factor is maintained above 0.97 lag by control panel in view-of energy saving

2154

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how to carry out Magnetizing Current Test on Distribution transformer and what purpose we are doing this test. why transformer rating in always in KVA ? what ispositive, negative, zero sequence impedence? How ElCB tripping if Neutral touch with ground Why AC & DC capacitor are use in UPS ? why motor rating in KW? how to syncronize two dg sets

2163

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What are the main advantages of bode plot?

1238

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A ii kv 1200 A Breaker combination fixed in a cubicle. How many ampere Fuse is required? If fuse is not using, Why?

1965

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why T/F winding temp measurement cts are odd secondary current ie,109A/1.2A/1.4A?

1855

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What is the form name of 'c' license, I want to download in web

1878

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why we not used 11kva as a direct our electrnics component.

2797

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