• MillingEnergy intensive and high maintenance

    system couple the motor to the mill. Another possibility is to use a motor that can develop sufficient torque such as the wound rotor induction motor with rotor resistor starter. There are some drawbacks to be considered while using such a fix speed direct on line alternative independently if a highor low speed solution is selected.

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  • wound rotor motor and ball mill starting curve

    wound rotor motor and ball mill starting curve Heavy Industry is a high-tech company integrating R D production and distribution and provides crusher sand making grinding equipment mobile crushing station etc. mature products and solutions used

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  • Ball mill drive motor choicesresearchgate

    First works analyzing grinding mill drives 1 2 focused on the torque requirements motor options (wound rotor induction motors synchronous motors) and drive arrangements (center drive one

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  • Replacing a wound rotor motor with a snychronous motor for

    Dec 16 2010 · Replacing a wound rotor motor with a snychronous motor for pfc Replacing a wound rotor motor with a snychronous motor for pfc rockman7892 (Electrical) (OP) 14 Dec 10 15 17. The reason Synchronous motors are able to start ball mills and provide PF correction In this example the motor is about 200 oversized for the machanical load so even

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  • slipring motor softstarter application ball mill

    Yrkk Wound Rotor Slip Ring Motor For Crushing Machine. slipring motor softstarter application ball mill. vfd on slip ring wound rotor motors crusher machine. 2013 china yrkk high voltage slip ring motor for cement mill . Get Price

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  • China Yr Yzr Wound Rotor Slip Ring Lifting Metallurgy

    Three Phase Motor Ac Motor Induction Motor manufacturer / supplier in China offering Yr Yzr Wound Rotor Slip Ring Lifting Metallurgy Crane GOST Low Voltage Ball Mill Asynchronous Three Phase AC Induction Electric Motor AC Induction Motor Electric Llift Motor AC Induction Motor High Temperature Electric Motors and so on.

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  • Moment of Inertia of a Ball Millbulk-online

    Oct 06 2010 · I have attached two gif files showing calculations for Mill power. Mills above a certain size will have an inching motor to assist starting of main drive motor. A liquid resistance stater will work well when using wound rotor induction motor.

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  • Induction Motor Starting MethodsBright Hub Engineering

    Switching from start to run positions causing transient current which can be greater in value than those obtained by DOL starting. 4. Rotor Resistance Starter. This starter is used with a wound rotor induction motor. It uses an external resistance/phase in the rotor circuit so that rotor

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  • Teco-Westinghouse Custom Synchronous Motors

    Synchronous machines can be found wherever there is a demand for highly efficient cost-effective dependable machines. They are frequently used for rolling ball and sag mills chippers mixers pulp refiners pumps fans and compressor (reprocating and centrifical) drives.

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  • Ball MillsMineral Processing Metallurgy

    The most economical drive to use up to 50 H. P. is a high starting torque motor connected to the pinion shaft by means of a flat or V-Rope drive. For larger size motors the wound rotor (slip ring) is recommended due to its low current requirement in starting up the ball mill.

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  • liquid rotor starter for ball millmpulele

    Ball Mill Liquid Rotor Starter. ball mill liquid rotor starter ball mills the starting torque restrictions of some of the newer mill drive configurations and the softness of some utility drive 1 a 5000 hp 1200 rpm wound rotor motor with liquid rheostat and power factor drive 3 a 5000 hp 514 rpm synchronous motor with softstart and an air clutch.

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  • Mining Mineral Processing Power Plant Equipment for

    4 000hp Motor GE DC Motor 50/120 rpm 700v Serial # Type MCF Excitation Amps 158.8 36 000 CFM cooling required Amps Armature 4700 Excitation Volts 550 Shunt Wound Split Stator Instruction Book GEH-709. the two Motors were used as steel rolling mill motors.

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  • Synchronous Motor Troubleshooting Mike Holt s Forum

    Mar 09 2014 · Q Doesn t the rotor get shorted out (maybe a small resistance) and it starts as an induction (wound rotor) motor Just thinking out loudIf the starting SCR (I can t read the numberbut the one associated with D1) were to stick on that would short out the exciter which would take out (short) two SCRs (one on each side of the bridge

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  • Wound rotor motorWikipedia

    A wound-rotor motor also known as slip ring-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

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  • rotor use for motor cement ball millevajorritsma

    Patent USGearless rotary millGoogle Patents. Rotary mills such as ball mills and rod mills find application in the grinding time in large size mills of the type employed in the cement industry for example. .. or rigidly mechanically coupling the motor rotor to the mill and the use of a static

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  • China Jr Series Slip Ring Electric Motor for Ball Mill

    Ball Mill Motor Slip Ring Motor Wound Rotor Motor manufacturer / supplier in China offering Jr Series Slip Ring Electric Motor for Ball Mill AC Induction Motor Electric Llift Motor AC Induction Motor High Temperature Electric Motors and so on.

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  • Slip Ring Motors For Ball Millcz-eu

    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. slip ring motors for ball mill. cement mills 800 kw slip ring motor starting cement mills 800 kw slip ring motor starting

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  • What is a Wound Rotor Motor and How Does it Work

    In wound rotor motors the rotor is "wound" with wire similar to the stator with their terminal ends connected to 3 slip rings on the output shaft. These slip rings are attached to brushes and variable power resistor banks where operators can change the speed of the motor by varying the resistance through the rotor

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  • ball mill wound rotor moror starting

    Ball Mill DrivesMineral Processing Metallurgy. Motors considered are the squirrel cage motor wound rotor motor and synchronous motor. One important advantage of the synchronous motor is the possible correcting of power factor within your operation through its use.

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  • ball mill liquid rotor starterHitlers Hollywood

    MORE DETAILS ball mill liquid rotor starter. ball mills the starting torque restrictions of some of the newer mill drive configurations and the softness of some utility drive 1 a 5000 hp 1200 rpm wound rotor motor with liquid rheostat and power factor drive 3 a 5000 hp 514 rpm synchronous motor with softstart and an air clutch and 55 at motor starter Ball Mill Liquid Rotor Starter In

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  • slipring motor softstarter application ball mill

    Yrkk Wound Rotor Slip Ring Motor For Crushing Machine. slipring motor softstarter application ball mill. vfd on slip ring wound rotor motors crusher machine. 2013 china yrkk high voltage slip ring motor for cement mill . Get Price

    Free Chat Online
  • liquid rotor starter for ball millbiosynergetics

    Ball Mill Liquid Rotor Starter. ball mill liquid rotor starter ball mills the starting torque restrictions of some of the newer mill drive configurations and the softness of some utility drive 1 a 5000 hp 1200 rpm wound rotor motor with liquid rheostat and power factor drive 3 a 5000 hp 514 rpm synchronous motor with softstart and an air clutch.

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  • (PDF) Evaluation of synchronous motors on grinding mills

    Evaluation of synchronous motors on grinding mills. Similar to the induction motor start rotor resistance The subject of this paper is a synchronous drive of grinding ball mills 4 MW

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  • Teco-Westinghouse Custom Synchronous Motors

    Synchronous machines can be found wherever there is a demand for highly efficient cost-effective dependable machines. They are frequently used for rolling ball and sag mills chippers mixers pulp refiners pumps fans and compressor (reprocating and centrifical) drives.

    Free Chat Online
  • wound rotor motor and ball mill starting curve

    wound rotor motor and ball mill starting curve Heavy Industry is a high-tech company integrating R D production and distribution and provides crusher sand making grinding equipment mobile crushing station etc. mature products and solutions used

    Free Chat Online
  • Starting a 6kV 3Ph2 200 kW1 000 rpm slip-ring motor

    Feb 19 2017 ·Starting a 6kV 3Ph 50Hz2 200kW1 000rpm slip-ring motor for a cement ball mill. ( 00 55 )Starten eine 6kV 3Ph 50Hz2 200kW1 000rpm Schleifringmotor für ein Zement-Kugelmühle.

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  • Replacing a wound rotor motor with a snychronous motor for

    Dec 16 2010 · Replacing a wound rotor motor with a snychronous motor for pfc Replacing a wound rotor motor with a snychronous motor for pfc rockman7892 (Electrical) (OP) 14 Dec 10 15 17. The reason Synchronous motors are able to start ball mills and provide PF correction In this example the motor is about 200 oversized for the machanical load so even

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  • Wound Rotor Motor Mill DrivesFact Jeugd Noord

    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 municipal chat online.

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  • Induction Motor Starting MethodsBright Hub Engineering

    Switching from start to run positions causing transient current which can be greater in value than those obtained by DOL starting. 4. Rotor Resistance Starter. This starter is used with a wound rotor induction motor. It uses an external resistance/phase in the rotor circuit so that rotor

    Free Chat Online
  • China Yr Yzr Wound Rotor Slip Ring Lifting Metallurgy

    Three Phase Motor Ac Motor Induction Motor manufacturer / supplier in China offering Yr Yzr Wound Rotor Slip Ring Lifting Metallurgy Crane GOST Low Voltage Ball Mill Asynchronous Three Phase AC Induction Electric Motor AC Induction Motor Electric Llift Motor AC Induction Motor High Temperature Electric Motors and so on.

    Free Chat Online
  • Synchronous Motor Troubleshooting Mike Holt s Forum

    Mar 09 2014 · Q Doesn t the rotor get shorted out (maybe a small resistance) and it starts as an induction (wound rotor) motor Just thinking out loudIf the starting SCR (I can t read the numberbut the one associated with D1) were to stick on that would short out the exciter which would take out (short) two SCRs (one on each side of the bridge

    Free Chat Online
  • Wound Rotor Motor And Ball Mill Starting Curve

    ball mill liquid rotor startergreenrevolution. Ball MILL drive motor choices666 Кб. In more recent times the wound rotor motor with the liquid rheostat has come into use in North America whenThis solution meets the requirements of all gear trains on the market for ball mills..at motor 7.4 at motor starter Table 3 Voltage Drops from Nominal The mill can be started easily with

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  • liquid rotor starter for ball millbiosynergetics

    Ball Mill Liquid Rotor Starter. ball mill liquid rotor starter ball mills the starting torque restrictions of some of the newer mill drive configurations and the softness of some utility drive 1 a 5000 hp 1200 rpm wound rotor motor with liquid rheostat and power factor drive 3 a 5000 hp 514 rpm synchronous motor with softstart and an air clutch.

    Free Chat Online
  • Ball Mill Liquid Rotor StarterLogan Sainlez

    Ball Mill Liquid Rotor Starter. Ball mills the starting torque restrictions of some of the newer mill drive configurations and the softness of some utility drive 1 a 5000 hp 1200 rpm wound rotor motor with liquid rheostat and power factor drive 3 a 5000 hp 514 rpm synchronous motor with softstart and an air clutch and 55 at motor starter ball

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  • Three-Phase Induction Motors

    The wound-rotor motors are normally used in loads with high inertia or high resistive torque at startup. They are also used when starting current limitations are present in the power supply system. They are used to drive loads such as ball mills cement mills fans exhaust fans shredders and rolling mills employed in the cement mining and

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  • Ball Mill Liquid Rotor StarterLogan Sainlez

    Ball Mill Liquid Rotor Starter. Ball mills the starting torque restrictions of some of the newer mill drive configurations and the softness of some utility drive 1 a 5000 hp 1200 rpm wound rotor motor with liquid rheostat and power factor drive 3 a 5000 hp 514 rpm synchronous motor with softstart and an air clutch and 55 at motor starter ball

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  • 3300V Jr Series Wound Rotor Slip Ring Motor Ball Mill Motor

    China 3300V Jr Series Wound Rotor Slip Ring Motor Ball Mill Motor Find details about China Jr Motor Wound Rotor Motor from 3300V Jr Series Wound Rotor Slip Ring Motor Ball Mill MotorZCL Electric Motor Technology Co. Ltd.

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