Answer Posted / manan bhatt

if we remove dc exciter from running machine then due to
absence of rotational energy, machine will stop but will
take some time for remaining kinetic energy of rotor.

how to increase or decrease speed in DC shunt motor by DC convertor

2285

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WHAT IS THE SIGNIFICANCE OF VECTOR GROUPS IN TRANSFORMER? WHAT WILL BE EFFECT WHEN PHASE DISPLACEMENT CHANGES IN TRANSFORMER?WHAT IS THE NEED TO BE PHASE SHIFT CHANGE BETWEEN THE PRIMARY AND SECONDARY WINDING

1798

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Vaccum circuit breaker

1393

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what is through fault?

2297

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hi every body i am master student in control engineering and my project is slip control in trains i assumed a Dc motore as traction motor but i don't have characteristics of this kind of motor that is used in train. i want from every body if he or she has the characteristics or information about Dc motor that is used in train give me those information or technical characteristics .

1502

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What is knee point voltage?

1150

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Differentiate between ideal and non ideal current sources?

1165

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how to apply b license to c license in tneb

1824

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Give the topology of current amplifier with current shunt feedback?

1218

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we need a ntpc previous papers

1936

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how to get electrical supervisour certificate in gujarat

1966

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ii) A shunt motor supplied at 230V, runs at 900 rpm when the current is 30A. The resistance of the armature is 0.4 ohms. Calculate the resistance required in series with the armature to reduce the speed to 600 rpm, assuming that the armature current is then 20A. [12]

2390

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Is electro plating what type of load whether resistive, inductive or capacitive loads

3327

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what is the difference between 50 hz freq. and 60 hz freq.? which is better and economic in them ?

2293

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explain the process of commutation in a dc machine. Explain what are inter-poles and why they are required in a dc machine.

1186

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