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What is vf speed control?
It is used for sensorless motor control. With vf speed control u can control speed of any induction motor.
Why most of the induction motors have 1440 RPM in India?
To calculate the speed of an induction motor use the following formula, RPM = Hz x 60 x 2/motor # of poles. To answer the question, most of the motors must have 4 poles.
How many types of 3-phase induction motors are there?
One way is to add a capacitor and some extra field windings. Starters are needed because the starting current in an motor may go as high as 6-7 times its rated current. Some of the methods used for starting motors are, Direct online starters, Auto transformers, Soft Starters, Variable Speed Drives, Intelligent Motor Controls.
What is a wound rotor?
A wound rotor is an electrical rotor used in certain types of induction motors, particularly in wound rotor induction motors. It consists of windings that are connected to external resistances, allowing for control of the motor's speed and torque. This design enables better starting characteristics and improved efficiency, particularly in high-torque applications. The rotor windings are typically connected to slip rings, which provide the necessary electrical connections to the external circuitry.
Why use clutch plate in single phase motor?
induction motors have very little starting torque as the motor come up to speed it reduces the torque load until it gets near synchronous speed
Why do you control the speed of DC motors?
because dc motor is a powerful & dangerous motor it is akiller
What has the author Jussi Huppunen written?
Jussi Huppunen has written: 'High-speed solid-rotor induction machine' -- subject(s): Electric motors, Induction, Induction Electric motors, Mathematical models
What has the author Eric Roberts Laithwaite written?
Eric Roberts Laithwaite has written: 'Linear electric motors' -- subject(s): Electric motors, Induction, Induction Electric motors 'Electrical variable-speed drives'
What are convectional and non convectional methods of speed control of a induction motor?
The flux control method is the convectional and the non-convectional method of speed control of an induction motor.
What is vf speed control?
It is used for sensorless motor control. With vf speed control u can control speed of any induction motor.
What is speed controller?
It is used for sensorless motor control. With vf speed control u can control speed of any induction motor.
What has the author John Michael Dorsey written?
John Michael Dorsey has written: 'An analytical and experimental investigation into application of a polyphase transistor switching circuit for speed control of induction motors'
What are the abilities of jaguars?
They control the speed of motors.
Why most of the induction motors have 1440 RPM in India?
To calculate the speed of an induction motor use the following formula, RPM = Hz x 60 x 2/motor # of poles. To answer the question, most of the motors must have 4 poles.
What has the author E R Laithwaite written?
E. R. Laithwaite has written: 'A history of linear electric motors' -- subject(s): Electric motors, Linear, History, Linear Electric motors 'An inventor in the Garden of Eden' -- subject(s): Biography, Inventors 'Induction machines for special purposes' -- subject(s): Electric motors, Induction, Induction Electric motors 'Shape, the purpose of forms' -- subject(s): Geometry, Science, Shape, Juvenile literature 'The linear motor and its application to tracked hovercraft' -- subject(s): Electric motors, Linear, Electric railway motors, High speed ground transportation, Linear Electric motors 'Engineer through the looking-glass' -- subject(s): Engineering 'Propulsion without wheels' -- subject(s): Electric motors, Induction, Electric propulsion, Induction Electric motors 'All things are possible'
Why is the speed of synchronous motor is more then induction motor?
Synchronous motors run at synchronous speed. An induction motor that has the same number of poles must run at a sub-synchronous speed to create a second magnetic field (a field that is at a different phase angle) to generate torque.
Which type of motor is used in air conditioner?
Air conditioners typically use a type of electric motor known as an induction motor, specifically single-phase or three-phase induction motors. These motors are favored for their reliability, efficiency, and ability to handle variable loads. Additionally, some modern air conditioning systems may utilize inverter technology with variable speed motors, allowing for better energy efficiency and precise temperature control.
