Answer Posted / mansoor

its b/c ,the power factor of sin is 1.1

What the difference between three phase contactor (coil 110vac) & three phase SSR (control voltage 110Vac)? May I use contactor in place of SSR?

2167

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1.What is the range of stator resistance of 3-phase induction motor? 2.Two electrically operated vibro motors are foxed in parallel direction in vibrating feeders. what is the direction of both vibro motors?

1894

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what is the Transformer Impedence?How can calculate?

2099

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Why colled 440V to 3-phase supply.

2152

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how is the connection of a 3 phase ct trivector meter done on a pole mounted transformer

1370

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I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?

1978

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Working of microwave oven?

2252

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What is the drawback of static coefficients?

1623

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how to get electrical supervisour certificate in gujarat

1965

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1. What is maximum permissible distance between smoke detectors ? 2. How do we decide number of smoke detectors required in a large office, warehouse, hall etc ? 3. What should be maximum height of smoke detectors ? 4. Where do we use heat detector, optical smoke detector, temperature sensitive detector ?

2916

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If we have 11 kv RYB Phase single core cable near about. Then wht effect and losses

1876

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What is Annunciation?

2038

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1600 KVA ka transformer hi aghar lt side par 800A aur voltage 420 ho to HT side ki cable ki rating keya ho gi?

2040

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how to check regenerative load in drived motor

2236

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Which do you think is the most significant cause of energy loss in a factory?

2245

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