To reverse the direction of rotation of a capacitor start motor while it is running we should?

131 views

To reverse the direction of rotation of a capacitor start motor while it is running we should disconnect motor from the supply till it stops then reconnect it to supply with reversed connection of main or auxiliary winding.

Related Questions

Last Answer : In a capacitor start motor, the phase displacement between starting and running winding can be nearly 90°.

Explain the working of a single phase capacitor start induction motor.
Last Answer : Single phase capacitor start induction motor https://youtu.be/31lvvzU5Puc

Last Answer : In a capacitor start single-phase motor, when capacitor is replaced by a resistance motor will continue to run in same direction.

Last Answer : The direction of rotation of a D.C. series motor can be changed by interchanging field terminals.

Last Answer : The direction of rotation of universal motor can be reversed the by reversing the flow of current through either armature winding or field winding.

How can we reverse the direction of rotation of synchronous motor?
Last Answer : By reversing supply phase sequence we can reverse the direction of rotation of synchronous motor.

how can we reverse the direction of rotation of three phase induction motor ?
Last Answer : The direction of rotation of three phase induction motor can be reversed by plugging i.e by changing any two out of three phases of the supply to the stator of the Induction motor terminal.

Last Answer : In a capacitor start and run motors the function of the running capacitor in series with the auxiliary winding is to improve power factor.

The direction of rotation of an inverter fed 3-phase ac motor is reversed by (A) a mechanical reversing switch (B) reversing the input dc link voltage (C) operating the inverter as a rectifier (D) changing the sequence of switching
Last Answer : The direction of rotation of an inverter fed 3-phase ac motor is reversed by changing the sequence of switching

Last Answer : In case of a shaded pole motor the direction of rotation of the motor is from main pole to shaded pole.

Last Answer : Direction of rotation of a split phase motor can be reversed by reversing the connection of either running winding or starting winding.

Last Answer : The direction of rotation of an hysteresis motor is determined by position of shaded pole with respect to main pole.

Last Answer : In repulsion motor direction of rotation of motor is the same as that of brush shift.

Last Answer : In capacitor start single-phase motors current in the starting winding leads the voltage.

Why synchronous motor Cannot start itself?

Last Answer : If the centrifugal switch of a two-value capacitor motor using two capacitors fails to open then Electrolytic capacitor will, in all probability, suffer break down.

Last Answer : Two-value capacitor motor finds increased application as compressor motor in small home air-conditioners because it has low starting as well as running currents at relatively high power factor.

Last Answer : In a ceiling fan employing capacitor run motor secondary winding surrounds the primary winding.

Last Answer : In a two value capacitor motor, the capacitor used for running purposes is paper spaced oil filled type.

I got some grapic drawing questions guys and I need to see the answers immediately.Stator voltage curve for each four different start up methods.

A capacitor-start single phase induction motor is switched on to supply with its capacitor replaced by an inductor of equivalent reactance value. It will?
Last Answer : A capacitor-start single phase induction motor is switched on to supply with its capacitor replaced by an inductor of equivalent reactance value. It will not start at all.

Can we use the synchronous motor as the synchronous capacitor?
Last Answer : Yes, we can use the synchronous motor as the synchronous capacitor when the synchrnous motor is overexcited.

Last Answer : The repulsion-start induction-run motor is used because of high starting torque.

Which type of starter is used to start the DC motor?

In a synchronous machine, if the field flux axis ahead of the armature field axis in the direction of rotation, the machine is operating as  (1) synchronous motor (2) synchronous generator (3) asynchronous motor (4) asynchronous generator
Last Answer : In a synchronous machine, if the field flux axis ahead of the armature field axis in the direction of rotation, the machine is operating as synchronous generator

Why is a capacitor used in a single phase motor and not in three phase motor ?
Last Answer : In 1-phase induction motor capacitor work is generate the auxiliary winding current than excite the main winding to rotor starts rotate. After rotor start rotating about 75% of their speed than auxiliary ... emf to start the motor.so,in 3-phase induction motor is self start induction motor.

Last Answer : The value of starting capacitor of a fractional horse power motor will be 300 uF .

Last Answer : If the capacitor of a single-phase motor is short-circuited the motor will not start.

What is the difference between a soft start and a VFD?

What is a soft start?

Last Answer : The capacitors used in single-phase capacitor motors have no polarity marking.

Why: moons orbit rate = moons rotation rate?
Last Answer : answer:Google: lunar synchronous rotation Google: lunar libration Simple or complicated explanations available. We see glimpses of more than 50% of the lunar surface, due to its elliptical orbit and its slight tilt to the earth’s orbit around sun (ecliptic.)

Last Answer : If the field of a D.C. shunt motor gets opened while motor is running the motor will attain dangerously high speed.

What is the direction of flow when charging a capacitor?

A 200 V dc shunt motor is running at 1000 rpm and drawing a current of 10 A. Its armature winding resistance is 2 Ohm. It. is braked by plugging. The resistance to be connected in series with armature to restrict armature current to 10 A, is
Last Answer : A 200 V dc shunt motor is running at 1000 rpm and drawing a current of 10 A. Its armature winding resistance is 2 Ohm. It. is braked by plugging. The resistance to be connected in series with armature to restrict armature current to 10 A, is 36 Ohm

The effect of increasing load on a synchronous motor running with normal excitation is (A) Increase both its Ia and power factor. (B) Decrease Ia, but increase power factor. (C) Increase Ia, but decrease power factor (D) Decrease both Ia and power factor.
Last Answer : The effect of increasing load on a synchronous motor running with normal excitation is Increase Ia, but decrease power factor

An 8-pole, 50Hz, three-phase induction motor is running at 705rpm and has a rotor copper loss of 5kW. Its rotor input is (A) 5.06 kW (B) 0.3 kW (C) 100 kW (D) 83.33 kW
Last Answer : An 8-pole, 50Hz, three-phase induction motor is running at 705rpm and has a rotor copper loss of 5kW. Its rotor input is 83.33 kW

A three-phase synchronous motor connected to ac mains is running at full load and unity power factor. lf its shaft load is reduced by half and field current is held constant then its new power factor will be

Last Answer : Capacitor use in fan is made up of dielectic material which is in semi solid material having high capacity.but generation of heat in capacitor the semi solid material converted into dry solid because of ... capacity becomes lower and lower so for good result of our fan we have to change it.

A 240 V, dc shunt motor draws 15 A while supplying the rated load at a speed of 80 rad/s. The armature resistance is 0.5 W and the field winding resistance is 80 W. The net Voltage across armature resistance at the time of plugging will be
Last Answer : A 240 V, dc shunt motor draws 15 A while supplying the rated load at a speed of 80 rad/s. The armature resistance is 0.5 W and the field winding resistance is 80 W. The net Voltage across armature resistance at the time of plugging will be 474 V

How to Jump Start a Car
Last Answer : How to Jump Start a Car You need to know the steps to jump start a car even if it's not a daunting task. This is very helpful. This will also avoid possible accidents. Jump starting a car ... of techniques as you get used to doing it. It is still advisable to get an expert for worse situations.

How to Start a Worm Farm
Last Answer : How to Start a Worm Farm A worm farm is a great way to minimize the waste you and your family produce. Think of it as composting with worms thrown in. Compost produced by worms are ... the exception of fat, meat and dairy products Kitchen waste like peels and leftover vegetables Farm animal manure

How to Start an Ant Farm
Last Answer : How to Start an Ant Farm Watching an ant colony at work is pretty interesting. You'll see the tiny critters at work, moving around the anthill as they bump antennas. Such a sight kills stress while you ... . Good service is all that's needed for a thriving economy - of ants. Enjoy your ant farm!

How to Start an Internet Business
Last Answer : How to Start an Internet Business Among the simplest and most affordable businesses to start are internet businesses. If you have always wanted to start a small business and were looking ... sometimes costly, optimizing your site effectively can give your business an excellent return on investment.

How to Start a Small Business
Last Answer : How to Start a Small Business For many people, starting their own small business is a dream come true. If you have the entrepreneurial spirit and would like to either make a decent part time income or ... , a well though-out, planned and organized business can be the key to one's financial success.

How To Start A Restaurant
Last Answer : How To Start A Restaurant If you're into food and you want to start a new business, the best option you can try is to start your own restaurant. While the concept is simple enough, hard ... prepare a smile on opening day! For more information regarding this article, read how to start a business.

How to Start a Language Translating Company
Last Answer : How to Start a Language Translating Company Today's world seems to be shrinking at a rapid pace and the demand for quality language translation is high. For those who are fluent in more ... time goes on and the company becomes more established, it may become necessary to hire fulltime translators.

How to Start a Karaoke Business
Last Answer : How to Start a Karaoke Business While Karaoke isn't as popular now as it was in the boom of the late nineties, there is still a lot of demand for this fun activity at bars, clubs, ... designed show that attracts clientele. This will allow the business to grow and develop into a thriving success.

Last Answer : How to Start a Business The great thing about countries like America is that if you come up with a good idea, product or service, you can easily sell it to the masses. Starting a ... just beginning. Keeping a business up and running takes tremendous effort and can be tremendously rewarding as well.