Answer Posted / k.prakashchandra

speed governor

How to Decide(calculate) Bush bar size for copper and aluminiam ?

2130

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when will be the iocl interview results ifaced the interview on september 8 th

2190

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How to calculate size of HT breaker with the help of Amp (current)? Please provide answers with examples.

2329

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Is it possible to obtain 480v or 550v in single phase output by giving the input to 230v to a single phase torodial type transformer without using a stepup transformer?

2000

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What is bode plot?

1243

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in ACB breaker requireding 3200Amps. buscoupler getting OFF mode and again it reset and getting normal position give me a required answer?

2337

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where is core-type and shell-type construction suitable for transformers ?

2092

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sourse is 66 KV / 350 MVA, transfarmer is 1000 KVA 6.6 / 0.415 kv, iF fault is 28.75 MVA on 0.415 KV Bus then calculat the Transfarmer Impidance

2097

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Is it advantages of having star-delta vfd than normal star vfd , if yes why?

2258

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how to calculate percentage impedence at 75 deg C at normal tap

2260

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what is diff. between earthing grid,earthing mess, earting grid?

2407

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Why do we perform an open-circuit test and short-circuit test on the transformer?

1120

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PLZ SEND ME SOME UNIQUE PROJECT OF ELECTRICAL ENG (B.TECH)

1957

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I am having a 42KW 3 phase electrical heating furnace, heating element is 80/20 nichrome material, my connections is made in such a way that 2 star connection compromising 2 coils per phase so totally 12 coils, shall if i use it unbalanced star condition (instead of 2 group of 3 phase or 1 group of 3 phase, connecting 4 phases of 5 phases) what will be the consequences and is it acceptable?

1680

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A 230V dc shunt wound motor has an armature resistance of 0,15Ω.When operating on no load at 650 rev/min the armature current is 6A . The motor takes a full load current of 85A. Calculate the full load speed if the field flux is (i) maintained constant (ii)reduced by 0,03

2013

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