working principle of AC Servo Motor with its construction

0 Answers   TATA,

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What is a commutator?

0 Answers  

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Whag is the PS class of accuracy of CT?

3 Answers  

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Explain (in simple ) - root mean square. whats its role in electrical fundamandal.where its used

0 Answers   MRF, PPCL,

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We are getting supply at33kvand it stepdown to 11kv.So Our requirement is 11kv voltage.why we draw 33kv from the grid instead of 11kv?

2 Answers   Birla,

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What is the significance of %Z in case of transformer?

1 Answers  

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how much amp MCB is required for 1/2 kva power back up?

2 Answers   Havells,

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2.5mva transformer is installed in our company with oltc but it is not working in auto mode ,it is operative in manual mode control wiring is done how can i rectify it?

5 Answers   Imdaad,

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why we connect dg neutral with ground?

1 Answers  

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How to calculate the average power factor in 3 phase unbalanced system

5 Answers   Bhel, MacLellan,

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Suppose a 3 phase, 2 pole, 440V induction motor is driving a flywheel of 600mm diameter, 150kg mass. By using v-belt and pulley, the speed is increased to 4500 RPM. What will be the effect on motor current?

0 Answers  

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How to calculate 5hp 415v 3phase 2800rpm Ac motor full load current with out tourgh

1 Answers   Siemens, Spatel,

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