Answer Posted / mohan

tripping relay supervision is also known as master trip relay
its relay code is 86 its command make the circuit breaker to
release the contacts it is one of the main relays used in electrical circuits

if the armature current in a dc generator is ac ( sinusoidal ) why doesnt the sjhape af armature mmf a sinusoidal (ni) ? armature mmf in case of a dc machine is triangular.

1970

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How to decide the size of the capacitor for a single phase induction motor say 2 HP ??

2228

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if 12v battery get discharged for 2 months after if we put charge it will charge again?how much time it will take to charge?

1928

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When steam condenses and becomes water at the same temperature, the specific heat for the process in kJ/kg k is

1134

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why the name trunking bus PT

3068

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working principle of AC Servo Motor with its construction

8878

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what happen ehen synchronisation is done at below rated speed

2149

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what r PID controllers?why they r used?what is there purpose?plz Explain in detail

2073

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What are different types of control systems?

1253

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How many types of interlocking use in screw type air compressor,make-Kaser(BSD MODEL)?

2108

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advantage of motor design on higher power factor . normally motors are designed for .8 power factor. what is advantage of designing at .88 power factor

1801

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For high frequency application we use which transformer?

1931

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List the advantages of star-delta starter with induction motor?

1010

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State the frequency for rc phase shift oscillator?

1124

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Which motor is 3.3 or 11kV more reliable, in terms of efficeancy,maintenance, reliability.

2117

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