Answer Posted / sheldon

The purpose of connecting a capacitor in star- delta motor
is to improve the capacitance (specially at the start). So
we can connect the capacitor in star connection, in parallel
to the motor.

what is a types of short circuit and what is a types of distance protection tests

2253

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what are the difference between AC lamp and DC lamp

2091

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Is it good to short Neutral and Ground in the PLC or DCS main Power supply. Pls give YES or NO with reasons...? Simarpreet

2537

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Single line diagram for dbb (double bus bar)system.

1942

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What should be the Sandwitch type Al. bus bar capacity for 2 M.W.Gen. set, having continuous full load current- 3463 Amps,ambient temp.- 50 Deg. C., Required temp. raise-20 deg.C., it will run 24 hrs, 365 days on full load, required highly reliable.

2673

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For refrigerators the motor current is raised beyond its rating on both conditions when the voltage of the system is more(say 270v) than the rated voltage(220v) as well as when the voltage of system is less(say 160v) than normal voltageof 220v, why explain?

1968

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Give the expression for the frequency of oscillations in an op-amp sine wave oscillator?

1103

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Is there any abbrevation for STUB in Stub bus protection

1929

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What is difference and reason b/w -48V BTS system and 24 V BTS system. Plzzzzzzzzz tel me.

2214

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what is your aim

1908

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Cables Construction hi friends, 0.6/1/1.2 kV LV , DC and Control cables are concentric copper conductor what does its means and what is the use of concentric copper conductor,and are this with copper tape shield or copper screening, ? thanks

1756

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during installation time of transformer and alternator which points we have to observed?

1938

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please send me last 5 year interview questions

2186

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what is the principle of operation of tungstun bulb ??

1822

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What is d main advantage of using double circuit 3 phase transmission ?

1931

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