wound rotor motor mill drives

wound rotor motor mill drives

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  • Used Wound Rotor Motors for sale General electric ,

    Search for used wound rotor motors Find General electric, , Allis-Chalmers, ABB, Hardinge, and Titan for sale on Machinio...

  • Wound Rotor Induction Motor - Slip Power Recovery

    Wound Rotor Induction Motor - Slip Power Recovery Large wound rotor induction motors (WRIM) have been used in some industries for decad In the cement and mining industries, high horsepower WRIMs are used on large grinding mills, where they have the advantage of controlled starting characteristics and adjustable speed capability...

  • Wound rotor motor - Wikipedia

    A wound-rotor motor is a type of induction motor where the rotor windings are connected through slip rings to external resistance Adjusting the resistance allows control of the speed/torque characteristic of the motor Wound-rotor motors can be started with low inrush current, by inserting high resistance into the rotor circuit; as the motor accelerates, the resistance can be decreased...

  • Wound Rotor Induction Motor - The Engineering Projects

    Oct 10, 2016· A Wound Rotor Induction Motor is also known as slip ring induction motor I will tell you about the construction of Wound Rotor Induction Motor in the first section In the second section, I would be throwing light on the operation and working principle of Wound Rotor Induction Motor...

  • Ring gear drives huge grinding mill | Machine Design

    Ring gear drives huge grinding mill , The higher-speed motors are either squirrel cage or wound rotor Low-speed versions are normally synchronous motors and are used with air clutches ....

  • Series 5 - Drive Technology - Siemens

    As a result of their modular design, the 1R5 slipring rotor motors (US: wound-rotor motors) can be produced with various cooling systems This means that the motors can be flexibly adapted to the customers's application...

  • BALL MILL DRIVE MOTOR CHOICES - artec-machine

    the wound rotor motor was preferred In the late 1950s, when mills approached 2500 HP, the center drive mill arrangement with the enclosed geared drive using a high-speed synchronous motor became quite popular In more recent times the wound rotor motor with the liquid rheostat has come into use in...

  • Variable-frequency drive - Wikipedia

    Wound-rotor synchronous motors can be run at even higher speeds In rolling mill drives, often 200-300% of the base speed is used The mechanical strength of the rotor limits the maximum speed of the motor Fig 1: SPWM carrier-sine input & 2-level PWM output...

  • vfd on slip ring "wound rotor" motors - Variable Speed ,

    Feb 07, 2008· vfd on slip ring "wound rotor" motors - posted in Variable Speed Drives: I am involved in converting a ball mill , which requires a large amount of starting torque, from a slip ring motor driven application to a vfd driven appl ...

  • Can a VFD run a wound-rotor motor? - Schneider Electric

    Altivar variable frequency drives may be used to operate wound-rotor motors Most wound-rotor motors are used where high starting torque is required so an Altivar 312, Altivar 32 or Altivar 71 drive would be most suitable for this application The wound-rotor motors use resistor to connect the rotor ,...

  • WikiZero - Wound rotor motor

    So, we are able to control the speed of this type of motor easily A wound-rotor motor can be used in several forms of adjustable-speed drive Certain types of variable-speed drives recover slip-frequency power from the rotor circuit and feed it back to the supply, allowing wide ,...

  • Products | Benshaw Advanced Controls & Drives

    Working with a long time customer and local Benshaw partner in the motor controls industry, Benshaw has successfully applied a 480VAC 700HP AC Variable Frequency Drive for positioning a MV synchronous motor driven ball mill The Benshaw variable frequency drive powers the 4160Volt - 3500HP synchronous ball mill motor during positioning to ....

  • Mineral Processing | Toshiba International Corporation ,

    Application: Ball Mill Equipment: 1 x 44000kW 30 pole 6600 volt Synchronous Motor Location: Kalgoorlie, Western Australia Ernest Henry Mine Application: 1 x 11000kW SAG Mill driven by Dual 5500kW motors, 1 x 5500kW Ball Mill Equipment: 3 x 5500kW 6 pole 11000 volt Wound Rotor Induction Motors Location: Cloncurry, Queensland...

  • Slip ring Induction Motor Fundamentals - pnpntransistor

    Apr 04, 2019· Slip ring Induction motor is also known as wound rotor induction motor Slip ring motor has main two parts as we know: Stator and Rotor The stationary part of the motor is called stator and rotary part of the motor is called rotor The works of the stator is common in all motor ,...

  • Wound Rotor - TECO-Westinghouse Motor Company, a ,

    easily Wound rotor motors also can develop high starting torque at standstill - while maintaining low inrush Long motor life is ensured with the use of external resistor banks or liquid rheostats that dissipate heat build-up generated during motor start-up What makes the wound rotor motor a unique induction machine is its rotor Instead of a ....

  • Ball Mill Drives - Metallurgist & Mineral Processing Engineer

    Several types of ball mill drives can be furnished, made up of various combinations of gearing, motors and transmission equipment The correct combination to be selected takes into consideration power requirements, gear ratings, floor space, interference from other plant equipment and motor characteristics The main types are described and illustrated on these pag...

  • Gearless mill drives - Grinding | ABB

    Our GMD eliminates all mechanical components of a conventional mill drive system, such as ring-gear, pinion, gearbox, coupling, motor shaft and motor bearings: By mounting the rotor poles directly onto the mill, the mill itself becomes the rotor of the gearless motor...

  • Heavy-Industrial Controls | Industrial Controls ,

    For use with ac wound rotor motor on hoist and travel drives, of general purpose overhead cran The hoist controllers are of the reversing dynamic lowering type when used on cranes without mechanical load brakes and are of the reversing hoist type when used on cranes with mechanical load brak...

  • Wound rotor motor - Wikipedia

    So, we are able to control the speed of this type of motor easily A wound-rotor motor can be used in several forms of adjustable-speed drive Certain types of variable-speed drives recover slip-frequency power from the rotor circuit and feed it back to the supply, allowing wide ,...