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wound rotor motor mill drives

wound rotor motor mill drives

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 highspeed synchronous motor became quite popular. In more recent times the wound rotor motor with the liquid rheostat has come into use in

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  • Wound Rotor Motor Mill Drives   kpjlangeveen nl

    Wound Rotor Motor Mill Drives kpjlangeveen nl

    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 highspeed synchronous motor became quite popular. In more recent times the wound rotor motor with the liquid rheostat has come into use in

  • Wound Rotor Motors     High Torque and Adjustable

    Wound Rotor Motors High Torque and Adjustable

    Woundrotor motors deliver speed control of heavy and hightorque loads.Whats special about the woundrotor motor This type of 3phase induction motor has high starting torque, which makes it ideal for applications where standard NEMA design motors fall short. The woundrotor motor is particularly effective in applications where using a squirrelcage motor may result in a starting current thats

  • Slip Energy Recovery Drives  SER  Australia   CSE Uniserve

    Slip Energy Recovery Drives SER Australia CSE Uniserve

    The CSE Uniserve Rotor Drive Slip Energy Recover System SER is designed for speed control of wound rotor induction motors. Typical applications include mills, crushers, fans and pumps. Designed and manufactured in Europe to CSE Uniserves specifications, offers the ultimate in single or dual motor

  • Wound Rotor Induction Motors   AC Motors   Electronics

    Wound Rotor Induction Motors AC Motors Electronics

    A wound rotor induction motor has a stator like a squirrel cage induction motor, but a rotor with insulated windings brought out via slip rings and brushes.. However, no power is applied to the slip rings. Their sole purpose is to allow resistance to be placed in series with the rotor

  • wound rotor motor mill drives   praktik kutnahora cz

    wound rotor motor mill drives praktik kutnahora cz

    Wound Rotor Motor Mill Drives. Wound Rotor Motor acelectricmotors We are a manufacturer and supplier of wound rotors with many years of export experience in China Any questions we will reply you asap within 2 hours we will provide competitive prices and high quality wound rotor induction motor

  • Slip Ring Induction Motors   Baldor com

    Slip Ring Induction Motors Baldor com

    These motors are widely used in applications requiring high starting torque or low starting current, including mill drives, cement plants, mines, utilities, water works and many more. Features Separate slip ring comparment at non drive end to prevent dust ingress into motor windings

  • High voltage motors for mills More for mining

    High voltage motors for mills More for mining

    is currently the gearless mill drive GMD. In GMD systems the motors poles are directly installed on a pole flange on the mill shell, and the body of the mill itself becomes the rotor. Ringgeared mill drive For mills with standard diameters or requiring less than 20 MW approx. of power, ringgeared mill drives RMDs offer the best solution.

  • Infrastructure   Systems and solutions   ABB

    Infrastructure Systems and solutions ABB

    We have solutions for all motors and drives cement applications LV amp MV squirrel cage motors LV frequency converters Single drive up to 2800 kW Multi drive up to 5600 kW MV frequency converters 315 kW up to 27000 kW Direct Torque Control DTC Converter transformers DC drives new amp revamping Slipring motors wound rotor induction motors

  • Use of wound rotor motor with VFD   Automation  amp  Control

    Use of wound rotor motor with VFD Automation amp Control

    Aug 14, 2003018332Wound rotor motors typically are high torquehigh slip motors. They have starting torque ratings about double standard motors and VFDs typically limit the starting current and torque. Older motors may not stand up to the high voltage spikes generated by the switching devices in the VFD. The secondary resistors with contactors are extreemly ...

  • Can a VFD drive a slip ring motor

    Can a VFD drive a slip ring motor

    Can a VFD drive a slip ring motor 20161005. ... Your VFD can achieve the purposes of a slip ring and resistance starting, so I would shot out the wound rotor at the slip rings and run the motor as a normal induction motor, that way I eliminate unnecessary points of potential breakdown. We all know the problems associated with resistance ...

  • vfd on slip ring  quot wound rotor quot  motors   Variable Speed

    vfd on slip ring quot wound rotor quot motors Variable Speed

    Feb 07, 2008018332vfd on slip ring quotwound rotorquot 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. . We have sent the motor to our motor guy to refurbish and interconnect the rotor windings.Is there any advice or similar applications out there that could be helpful ...

  • TMdrive  10SPR Product Application Guide

    TMdrive 10SPR Product Application Guide

    This variable speed drive application is a dualpinion SAG mill driven by two 5,000 kW wound rotor induction motors. Two TMdrive10SPRs control motor speed by recovering rotor current

  • Mineral Processing   Toshiba International Corporation

    Mineral Processing Toshiba International Corporation

    Slurry Pump Drives Conveyor Drives Examples of completed projects includeWindimurra Vanadium Mine Project Windimurra Vandium Mine Application Ball Mill Equipment 1 x 5500kW 6 Pole 11000 volt Wound Rotor Induction Motor Location Mount Magnet, Western Australia Kalgoorlie Consolidated Gold Mine Application Ball Mill

  • Roller mill motor   All industrial manufacturers

    Roller mill motor All industrial manufacturers

    wound rotor motor. threephase induction ... Rotor wound and with collector rings Brush holder with motorized brush lifting system Advantages Motorized brush lifting implies important advantages in the ... Motors for power operated roller tables are special drive elements for the rolling mill industry. Especially during operational or ...

  • Wound Rotor Motors     High Torque and Adjustable

    Wound Rotor Motors High Torque and Adjustable

    Woundrotor motors deliver speed control of heavy and hightorque loads.Whats special about the woundrotor motor This type of 3phase induction motor has high starting torque, which makes it ideal for applications where standard NEMA design motors fall short. The woundrotor motor is particularly effective in applications where using a squirrelcage motor may result in a starting current thats

  • Wound Rotor Induction Motor  AC Low Voltage Induction

    Wound Rotor Induction Motor AC Low Voltage Induction

    KECL Manufacture of wound rotor induction motors with Low Voltage, Rerolling Mill Duty Motor, Non corrosive amp non hazardous in nature. ... Left hand side when viewed from nondrive end, reversible assembly at site is not possible. Terminal box arrangement For KCW 450 amp 500 Stator 43506201, Rotor 43521599. ...

  • Wound rotor motor   Wikipedia

    Wound rotor motor Wikipedia

    A woundrotor motor, also known as slip ringrotor 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 speedtorque characteristic of the motor. Woundrotor motors can be started with low inrush current, by inserting high resistance into the rotor circuit as the motor accelerates ...

  • Motors and drives perform critical service throughout any

    Motors and drives perform critical service throughout any

    Toshiba products for the mining and minerals industry include induction, wound rotor and synchronous motors, UPS, process and intelligent controls, motor controls, and power distribution protection solutions. The company reported that it has supplied mining operations throughout North America and South America, as well as in Australia.

  • Mineral Processing   Toshiba International Corporation

    Mineral Processing Toshiba International Corporation

    Slurry Pump Drives Conveyor Drives Examples of completed projects includeWindimurra Vanadium Mine Project Windimurra Vandium Mine Application Ball Mill Equipment 1 x 5500kW 6 Pole 11000 volt Wound Rotor Induction Motor Location Mount Magnet, Western Australia Kalgoorlie Consolidated Gold Mine Application Ball Mill

  • Applications of Drives   EEEGUIDE

    Applications of Drives EEEGUIDE

    Wound Rotor Induction Motor with Subsynchronous Converter Cascade in the Rotor Circuit The following points favour the application of a slip ring motor having static slip energy recovery scheme in the Subsynchronous Converter Cascade circuit, to drive a centrifugal pump Fig. 7.10. 1.The delivery rate control of the pump is accomplished by speed control of the

  • Infrastructure   Systems and solutions   ABB

    Infrastructure Systems and solutions ABB

    We have solutions for all motors and drives cement applications LV amp MV squirrel cage motors LV frequency converters Single drive up to 2800 kW Multi drive up to 5600 kW MV frequency converters 315 kW up to 27000 kW Direct Torque Control DTC Converter transformers DC drives new amp revamping Slipring motors wound rotor induction motors

  • 75kW Wound Rotor Control For Steel Rolling Mill

    75kW Wound Rotor Control For Steel Rolling Mill

    MCW were asked to produce a control system for 75kW slip ring fed, wound rotor induction motor that was being used to drive a steel rolling mill via a Radicon gearbox. At the heart of the system MCW used the Fairford Synergy intelligent soft starter to provide a controlled soft start and soft stop for the motor.

  • Variable frequency drive   Wikipedia

    Variable frequency drive Wikipedia

    Thus, rated power can be typically produced only up to 130150 of the rated nameplate speed. Woundrotor synchronous motors can be run at even higher speeds. In rolling mill drives, often 200300 of the base speed is used. The mechanical strength of the rotor limits the maximum speed of the motor.

  • 100 Most Important MCQ on Electric Drive   Industrial

    100 Most Important MCQ on Electric Drive Industrial

    Aug 20, 2020018332Rolling mill requires high power motor generally dc motor and slip ring induction motor of multikilowatt above 100 H.P motor is preferred. According to the survey of ROLLING MILLS IN RAIPUR. The normal sizes of electric motors range from 400 H.P. to 1000 H.P. the

  • MOTOR TECHNOLOGY Saving energy   TMEIC

    MOTOR TECHNOLOGY Saving energy TMEIC

    Figure 4 typical SAG mill motor drive equipment. Since such drives Figure 3 one of two wound rotor motors for a 10,000kW SAG mill ICR SEPTEMBER 2009. are in volume production at this time, support should be available for years to come. Getting renewal parts for older thyristor based SPR drive

  • News     VEM Motors and Drives     Singapore

    News VEM Motors and Drives Singapore

    VEM Motors Asia Pte Ltd. 25 Bukit Batok Crescent 0902 The Elitist . Singapore 658066. Phone 65 6873 1150. Email vemsgvemgroup.com

  • Power Electronics And Motor Drives   ScienceDirect

    Power Electronics And Motor Drives ScienceDirect

    Occasionally, woundrotor machines are also used in the highpower range with slip power recovery control. Static Kramer and Static Scherbius drives have been used in industry for limited range speed control near the synchronous speed. A variablefrequency single phase motor drive is difficult to achieve because of its large pulsating torque.

  • ABB slip ring modular motors   ABB high voltage induction

    ABB slip ring modular motors ABB high voltage induction

    They are especially suitable for heavy load inertia applications like mill drives or situations where network conditions are weak. Slipring motors are built using proven standardized motor design, highquality materials and advanced ventilation technology. This, combined with the fullybraced and vacuumimpregnated windings, ensure they are ...

  • Use of variable frequency drives with wound rotor motors

    Use of variable frequency drives with wound rotor motors

    Jim McKee deceased Alabama Electric Motor Service Sheffield, Alabama Technical Education Committee Member The slip ring or wound rotor induction motor WRIM has been used in a variety of applications. Many of these applications use the WRIMs high starting torque capabil173ity while limiting current to start and run very high inertia loads such as hammer mills, rolling mills, centri173fuges ...

  • TECO Westinghouse Wound Rotor Motors

    TECO Westinghouse Wound Rotor Motors

    What makes the wound rotor motor a unique induction machine is its rotor. Instead of a series of rotor bars, a set of insulated rotor coils is used to accept external impedances. The rotor windings are similar to those found on a DC armature, with the coils connected together to a set of rings that make contact with carboncomposite brushes.

  • wound rotor motor mill drives   swidw nl

    wound rotor motor mill drives swidw nl

    Most woundrotor 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 woundrotor motors use resistor to connect the rotor windings The resistance can be adjusted to control the speedtorque characteristis of the motor To use a variable .

  • wound rotor motor mill drives   hofvantwentseuitdaging nl

    wound rotor motor mill drives hofvantwentseuitdaging nl

    Wound Rotor Motor And Ball Mill Starting Curve. Wound Rotor Motor Mill Drives. A wrim is a type of induction motor with unique construction, in the cement and mining industry for starting and driving large grinding mills in fact, until about 1985, a wound rotor induction motor was the, motors on grinding mills, slip power recovery drives have been applied in other industries, such as in ...

  • wound rotor motor mill drives   jrietdijk nl

    wound rotor motor mill drives jrietdijk nl

    Wound Rotor Motor Mill Drives factjeugdnoord.nl. Wound Rotor Motor Mill Drives. A wrim is a type of induction motor with unique construction,in the cement and mining industry for starting and driving large grinding mills in fact, until about 1985, a wound rotor induction motor was the,motors on grinding mills, slip power recovery drives have been applied in other industries, such as in ...