Answer Posted / dhamodaran.j

R>= (rated motor voltage/1000 +1)*10 (M ohm)

Why compensation is necessary in feedback control system?

1431

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what is inverter and converter

1976

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What are the advantages and disadvantages of the dc motors?

1183

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If we have use two power cable for incomer, that time how many use cbct for earth leakage protection? 1 or 2 if 1 way? If 2 way?

2154

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EXPLAIN WHY THE SURGE CURRENT RATING OF AN MCCB OR CIRCUIT BREAKER DECREASES WITH INCREASE IN THE RATING OF MCCB OR CIRCUIT BREAKER.

2065

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in control scheme dc logic wiring commonly using negative loop,what is the reason?if we use positive looping what will happen?

2385

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what is accuracy ? in any meters , coils accuracy . how can u defined that ?

2490

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1. The DC generaror,s induced output emf is connected with a DC motor(as load). when increasing the load of the motor by using brake drum or any way. what are the parameters will changes in both motor and generator(voltage, current, resistance, frequency, speed, torque, power, flux etc...) 2. Similarly for AC generator and AC motor 3. similarly if using DC batteries instead of DC generator, What happens?

2344

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why booster transformer is used in sumpners test conducted on transformer????

3626

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HOW MUCH CURRENT DOES SYNCHRONOUS MOTOR TAKES AT SYNCHRONOUS SPEED IN NO LOAD CONDITION ?

1906

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Explain the working of any one cutting machine

1156

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How to control motor gearbox speed and friquency? If length of cable and dia given, how to measure the voltage drop?

2081

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IN electrical field, WHAT ALL THINGS THE CUSTOMER WILL ASK WHILE ORDERING FOR LT PANEL (ALL TYPES OF LOW TENSION PANEL)

2174

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Explain M Var? Which types of problem occurs when reactive power increase at the time of full load of plant and at the time of synchronize of plant?

1841

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How do we calculate the Out put voltage of generator, after the excitation is being given?

1972

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