wound rotor वाक्य
उदाहरण वाक्य
मोबाइल
- Induction motors may be further divided into Squirrel Cage Induction Motors and Wound Rotor Induction Motors.
- This reactor or filter reduces the voltage stack up that can occur on older high impedance motors such as wound rotor motors.
- Transistorized inverters with variable-frequency drive can now be used for speed control, and wound rotor motors are becoming less common.
- A DFIG configuration will require the generator to be a wound rotor; squirrel cage rotors cannot be used for such a configuration.
- It is based on an induction generator with a multiphase wound rotor and a multiphase slip ring assembly with brushes for access to the rotor windings.
- In wound rotor motors, rotor circuit connection through slip rings to external resistances allows change of speed-torque characteristics for acceleration control and speed control purposes.
- What type of generator is suitable ( asynchronous ) and what type of rotor ( squirrel-cage rotor, wound rotor, salient pole rotor or cylindrical rotor )?
- The rest of the regulator's construction follows that of a wound rotor induction motor with a slotted three-phase stator and a wound three-phase rotor.
- Liquid rheostats were sometimes used in large ( thousands of kilowatts / horsepower ) wound rotor motor drives, to control the rotor circuit resistance and so the speed of the motor.
- Compared to squirrel cage rotors, wound rotor motors are expensive and require maintenance of the slip rings and brushes, but they were the standard form for variable speed control before the advent of compact power electronic devices.
- Although Westinghouse achieved its first practical induction motor in 1892 and developed a line of polyphase 60 hertz induction motors in 1893, these early Westinghouse motors were two-phase motors with wound rotors until B . G . Lamme developed a rotating bar winding rotor.
- In 1888, Tesla presented his paper " A New System for Alternating Current Motors and Transformers " to the AIEE that described three patented two-phase four-stator-pole motor types : one with a four-pole rotor forming a non-self-starting reluctance motor, another with a wound rotor forming a self-starting induction motor, and the third a true synchronous motor with separately excited DC supply to rotor winding.
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