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Wound rotor motor mill drives

Wound rotor motor mill drives

ball mill drive motor choices Artec Machine Systems ball mills the starting torque restrictions of some of the newer mill drive Drive 1 A 5000 HP 1200 rpm wound rotor motor with liquid rheostat and power factor Get Price

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  • Ball Mill Liquid Rotor Starter

    Ball Mill Liquid Rotor Starter

    Ball MILL drive motor choices666 In more recent times the wound rotor motor with the liquid rheostat has e into use in North America whenThis solution meets the requirements of all gear trains on the market for ball millsat motor 74 at motor starter Table 3 Voltage Drops from Nominal The mill can be started easily with

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  • Motor Controls 2 Flashcards Quizlet

    Motor Controls 2 Flashcards Quizlet

    Start studying Motor Controls 2 Learn vocabulary terms and more with flashcards games and other study tools Wound rotor motor speed control is acplished by inserting resistors in series with the winding of the motor More precise motor speed control can be acplished using a vector drive which uses to modify the PWM

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  • Mineral Processing Toshiba International Corporation

    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

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  • Wound Rotor Motor All Industrial Manufacturers

    Wound Rotor Motor All Industrial Manufacturers

    Find your wound rotor motor easily amongst the 66 products from the leading brands GE Motors SIEMENS ABB on DirectIndustry the industry specialist for your professional purchases cement ballmill twin drives Slip Ring or other wound type rotor motors are used all over the world CG Hungary is the first in the world to

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  • Coalmont Electrical Development

    Coalmont Electrical Development

    Coalmont Electrical Development Corporation is an engineering firm specializing in plex electrical systems including plete controls systems integration and product development

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  • 300 TOP INDUSTRIAL DRIVES Objective Questions And

    300 TOP INDUSTRIAL DRIVES Objective Questions And

    Home INDUSTRIAL DRIVES MCQs 300 TOP INDUSTRIAL DRIVES Objective Questions and Answers 300 TOP INDUSTRIAL DRIVES Objective Questions and Answers INDUSTRIAL DRIVES Objective Questions 1 The selection of an electric motor for any application depends on which of the following factors 60 A wound rotor induction motor is preferred

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  • Torque Of Wound Rotor Motor With Vfd Drive Electric

    Torque Of Wound Rotor Motor With Vfd Drive Electric

    Mar 16 2005A wound rotor motor with shorted rotor circuits will likely have too little slip the torquespeed curve is too near vertical This makes the current under overload conditions rise too rapidly causing problems for the drive especially if the drive sizing is a bit skimpy

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  • MEDIUM VOLTAGE DRIVES FOR INDUSTRY

    MEDIUM VOLTAGE DRIVES FOR INDUSTRY

    The IES Hyper Drive drive uses new PWM techniques to the Slip Energy Recovery SER principle to control the speed of motors below and above synchronous speed without series connection of devices This drive utilises the wound rotor motor as a stepdown transformer does not use series or parallel connected semiconductors and has a full

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  • Slip Energy Recovery System Rotor Drive SER CSE Uniserve

    Slip Energy Recovery System Rotor Drive SER 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

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  • Wound Rotor Induction Motor Slip Power Recovery

    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 decades 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

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  • Wound Rotor Motor Starters Benshaw Advanced Controls

    Wound Rotor Motor Starters Benshaw Advanced Controls

    Wound rotor motors are typically used in application requiring high starting torques a limited number of operating speeds or a stepped acceleration to achieve a soft start Typically existing applications utilize an electromechanical starter on the stator and introduce multiple stages of resistance in the rotor via a contactor arrangement to achieve a soft ramp

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  • Mining Grinding And Processing WEG

    Mining Grinding And Processing WEG

    Slurry pumps are traditionally driven by wound rotor induction motors together with a gear box in order to reach the pump rated speed Alternatively gearless driving is possible which eliminates the gearbox between the pump and the motor increasing the general

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  • Mill Drive Failurewound Rotor Motor

    Mill Drive Failurewound Rotor Motor

    Motor The GMD is a drive system without any gear where the transmission of the torque between the motor and the mill is done through the magnetic field in the air gap between the motor stator and the motor rotor The concept to drive the mill this way is relatively simple using the mill body as motor rotor and mounting the poles there

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  • Wound Rotor Induction MotorsFrequency Control

    Wound Rotor Induction MotorsFrequency Control

    Dec 10 20154 Name three factors that determine the amount of torque developed by a wound rotor induction motor 5 Explain why the wound rotor motor produces the greatest amount of starting torque per ampere of starting current of any threephase motor 6 Explain why controlling the rotor current controls the stator current also 7

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  • Slip Ring Motors MENZEL Elektromotoren

    Slip Ring Motors MENZEL Elektromotoren

    MENZEL slip ring motors also called wound rotor motors are available in all current motor cooling and protection types for lowvoltage from 75 kW as well as medium and high voltage up to 15000 kW They set technical standards in terms of size performance economy and reliability

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  • Induction Motor Drives Circuit Globe

    Induction Motor Drives Circuit Globe

    Induction Motor Drives For variable speed applications the DC motor drives are used in the past But this motor has several disadvantages like the presence of mutator and brushes due to which frequent maintenance is required This problem is overe by the variable speed induction motor drive

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  • Grinding Mills Ball Mill Rod Mill Design Parts

    Grinding Mills Ball Mill Rod Mill Design Parts

    Ball Mill Motor Sizing Calculation Example A wound rotor motor is remended for use with a Texrope drive SPEED REDUCER DRIVE to the pinionshaft through a flexible coupling Drive 3 When plant design makes it essential to locate the motor at a distance from the mill the drive arrangement may be as shown in Drive 4 or 5

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  • Ring Gear Drives Huge Grinding Mill Machine Design

    Ring Gear Drives Huge Grinding Mill Machine Design

    Ring gear drives huge grinding mill The higherspeed motors are either squirrel cage or wound rotor Lowspeed versions are normally synchronous motors and are used with air clutches

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  • Wound Rotor TECOWestinghouse Motor Company A

    Wound Rotor TECOWestinghouse 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 buildup generated during motor startup What makes the wound rotor motor a unique induction machine is its rotor Instead of a

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  • Whats The Difference

    Whats The Difference

    HiTorque Drive System The SIEG drive on the mini lathe and mini mill incorporates a 350 Watt conventional wound rotor DC motor and PWM controller card The gears provide two speed ranges to enhance low speed torque because the output torque of a DC drive like this falls off as the motor

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  • Torque Capabilities Of DC And AC Drives In The Constant

    Torque Capabilities Of DC And AC Drives In The Constant

    Torque Capabilities of DC and AC Drives in the Constant Horsepower Range Using a Wound Rotor Motor Replacement as a Typical Application Example To use a wound rotor motor as an adjustable speed drive the rotor control resistors must be rated for continuous current If the motor

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  • Wound Rotor Motor And Ball Mill Starting Curve

    Wound Rotor Motor And Ball Mill Starting Curve

    Starting ball mill How To Start Ball Mill belgianpressbe How To Start Ball Mill Wound Rotor Motor And Ball Mill Starting Curve Presentation wound rotor SlideShare Design of Wound Rotor ofPhase Induction Motor Group Membersto squirrel Other applications Ball Mills Shredders Cement Mills Pumps in series with the rotor windings not only decreases start

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  • HV Wound Rotor Induction Motors Power Conversion

    HV Wound Rotor Induction Motors Power Conversion

    The wound rotor induction motor has some distinct application advantages Historically it has been used for hardtostart high inertia fans or where power system requirements demand a soft start With a liquid rheostat or a static secondary speed control the wound rotor is an important alternative drive where limited range adjustable speed is required

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  • 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 10000kW SAG mill ICR SEPTEMBER 2009 are in volume production at this time support should be available for years to e Getting renewal parts for older thyristor based SPR drive

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  • Variablefrequency Drive Wikipedia

    Variablefrequency Drive Wikipedia

    A variablefrequency drive VFD or adjustablefrequency drive 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

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  • Wound Rotor Motor Wikipedia

    Wound Rotor Motor Wikipedia

    A woundrotor 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 the resistance can be decreased

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  • Used Wound Rotor Motors For Sale General Electric

    Used Wound Rotor Motors For Sale General Electric

    Search for used wound rotor motors Find General electric Metso AllisChalmers ABB Hardinge P H and Titan for sale on Machinio

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  • Wound Rotor Induction Motors AC Motors Electronics

    Wound Rotor Induction Motors AC Motors Electronics

    Wound Rotor Induction Motors Chapter 13 AC Motors PDF Version 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

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  • TECHNICAL AND COMMERCIAL BENEFITS OF

    TECHNICAL AND COMMERCIAL BENEFITS OF

    TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS MILL DRIVES FOR GRINDING APPLICATIONS M Ahrens ABB Options for variable speed are DC motors energy recovery systems for wound rotor motors and frequency converter drives the motor rotor The concept to drive the mill this way is relatively

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  • Specialty Products And Services Benshaw Advanced

    Specialty Products And Services Benshaw Advanced

    Wound Rotor Motor Starters 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 smoothly rotate the ball mill and bring it to the proper position

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  • Wound Rotor Motor What Is It Motion Control Tips

    Wound Rotor Motor What Is It Motion Control Tips

    A wound rotor motor is a variation of the threephase induction motor designed to provide high starting torque for loads with high inertia while requiring very low current Wound rotor motors are also referred to as slip ring motors

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  • WoundRotor Motors High Torque And Adjustable

    WoundRotor Motors High Torque And Adjustable

    Woundrotor motors deliver speed control of heavy and hightorque s 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

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  • 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 capability while limiting current to start and run very high inertia loads such as hammer mills rolling mills centrifuges

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  • BALL MILL DRIVE MOTOR CHOICES Artec Machine

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

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  • TECOWestinghouse Wound Rotor Motors

    TECOWestinghouse Wound Rotor Motors

    Wound rotor motors are an extremely versatile breed of induction motors Featuring a rugged design these machines provide the unique ability to gradually bring up to speed highinertia equipment and large loads smoothly and easily Wound rotor motors also can develop high starting torque at standstill while maintaining low inrush

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  • Wound Rotor Motor Mill Drives

    Wound Rotor Motor Mill Drives

    Ball mill drive motor choices Artec Machine Systems ball mills the starting torque restrictions of some of the newer mill drive Drive 1 A 5000 HP 1200 rpm wound rotor motor with liquid rheostat and power factor Get Price

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