Answer / sakthivel samikannu

in our circuits local frequency generate purpose we provide a txr is called frequency transformer

Answer / ishmeet

Actually frequency transformer is nothing but cycloconverter , as transformer transform voltage from one level to another,
cycloconverter does the same thing with frequency.

how to compute kAIC?  with formulas...

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What happened if C.T mount at any cable or Bus bar in wrong direction . C.T going on proper work or not . C,T direction is essential thing to properly work.

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dear all, can any body explain that how to select an induction motor for a specific mechanical load(inertia). is there any formula or calculation then please give me. i shell be very thankful to all of you. Thank,s and Rgard,s.

1 Answers  

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what is oti and wti

3 Answers   Jindal,

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how to select the rating of neutral ct with reference to transformer secondary current(in power transformer,stepdown tansformer,for example2000kva,11kv/415volt

2 Answers   ASD Lab,

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hi....I am from india..i have completed my engineering in electrical and electronics field with 58.4% and my IELTS score is 5.5 bands....Recently i received my I-20 in computer and information science from Troy university in Alabama.On 18th i have a visa interview can u please tell me what type of questions i have to answer ??????

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We have 11kV/110V three phase indoor potential transformer in 66/11kV Sub-station, where the failure of PT is frequently happening and the rating of the PT is 0.2 class accuracy, with primary star and seconday (two cores) star connected. Some experts has suggested to not to connect the PT Primary neutral to the ground because when transformer neutal NCT connection is loose; the faulty current will flow through the PT primary neutral, resulting into failure of PT. My question is: Is it necessary to remove the primary neutral connection of the PT from ground? if not, what would be the reason for failure of PT. Please guide me.

2 Answers   KPTCL,

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could you measure current in parallel?

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In track electrification Either we use single conductor or double conductor? why?

2 Answers  

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How can i run three phase bore well motor in 2 phase while i running it by using capacitor its ams increase to 23 ams the distance from motor to stater is 1600 feet

0 Answers   Private,

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what is meant by IGBT how they differ from tyristor ?

0 Answers  

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there is a power transformer 66/11kV in delta-delta connection has 5 feeder coming out from the secondary side. One of the feeder in it normally loaded (loaded than other feeder)and this feeder usually trips with double OCR causing the bank transformer to trip. Now if the load of this feeder is put on other transformer then that no problems occurs on that transformer or the load. However normally all the test(IR, PI, short ckt, open ckt,grounding test and other ) has been conducted for this but evertything transformer..... I am not geting what is the actual problem...

2 Answers  

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