Answer Posted / rohit pareek

motor will burn aftersupplying 2 phase but if we apply a
capacitor of appropriate value it will run

When are the directional relays used?

1066

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Difference between field rheostat and armature rheostat.

1233

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Sir 33kva 2 transformer load 900 amp calc 1800 amp mana jayega

1835

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What is the difference between a 3 winding and 2 winding Potential Transformer

2285

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what is meant by twilight switches 7 where its applicable ?

1925

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in basic 2 phase will short means tripping the power but spot welding 2 phase shorting but not tripping it will welded why.....(Q)

1961

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

2043

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How each of the following losses occur in d.c machines (i) copper (2)core (3) windage (4)friction please help me

2039

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We have two APFC panels in same station. I need how to connect CT in two APFC panels.can we take one CT in series connection or two separate CTs.

1529

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Explain the laying procedure and laying depth of submarine/subsea power cable for 220/400KV system? Also available cable diameter?

2110

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what the function breaker failure scheme, how is it operated

1909

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plz send me HPCL apptitude paper.. maulik_elect@yahoo.co.in

2087

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why dc is used in control circuits for MV & LV switchgeras instead of ac

1964

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if in 3-phase system voltage=440V,frequency=60Hz, current=400A. then if it is single phase then current=? and if it is single phasing then current=?

2563

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how to select the automotive wire size by mathematical calculation. for xenon headlamp with ballast. the ballast given data voltage 10-17v,current permenant 6amp, run up phase is 15amp, peak at swicth on max 400micro sec is 40amp.the sum of cable resistance is 150mohm.please provide referenc document if any for relating the peak at switch on current,time & wire wire size

2380

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