synchronous motor specficications which used for ball mills

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synchronous motor specficications which used for ball mills

Permanent Magnet Synchronous Motors: Types & Working ...

Permanent Magnet Synchronous Motor Control. Because permanent magnet synchronous motors must be driven with sinusoidal waveforms, the complexity of the control increases. A permanent magnet synchronous motor requires a control system, for example, a variable frequency drive or a servo drive.

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Synchronous Motors - Electric machine

manufacturing and servicing large synchronous motors for the paper industry. Synchronous motor driving a grinder in a paper mill. Industry Standards WEM manufactures synchronous motors to meet all current industry standards including NEMA MG 1, IEEE 115, and ISO 9001:2000 standards. Motors can be designed to match your existing machines space

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6kv 10kv Three Phase Synchronous Ball Mill Motor 1250kw ...

When a buyer desires to adopt a pneumatic clutch, we can design and style a revolving shaft or a shaft with punched holes in accordance to client specifications. The collection is a type of big-sized 3-stage AC synchronous motor mainly utilized to drive mills in mines, which includes grate ball mill, rod mill and coal mill.

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D'Angelo International | Used Machinery ... - Surplus Record

Synchronous motor and starter used to power a 7 x 10 ft Marcy ball mill. View Details Contact Seller Request Price. Expand. 3 Photos. 1000 HP 245 RPM Tamper, Frame SM-878, 1000 KVA, 2200 Volts ... Ball Mill, 900-1000 HP, 16" face, 144 Teeth per 1/2 section, Trunnion base, cap, and babbitt bearing insert, New pinion assembly ...

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GENERAL INDUSTRIAL MOTOR

china factory special permanent magnetic synchronous electric motor tycx for ball mill, china factory electric motor, china factory iec standard synchronous magnet electric motor 2020814165433 CHINA FACTORY MINI INSULATION TYPE TYBZ D SERIES LOW SPEED THREE PHASE SYNCHRONOUS DIRECT DRIVE MAGNET (CENTER 660/1140 V, 450 …

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Which type of drive/motor is used in a paper mill at each ...

Answer: * Paper mill: 1. The raw material for paper making undergo two processes before the paper is available. 2. The raw material –Pulp conversion. 3. The Pulp to paper in paper making machines. * Raw material – Pulp: 1. It is accomplished by combination of mechanical and chemical processes. ...

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Autogenous mills, semi-autogenous mills and ball mills for ...

Synchronous motors Synchronous motors are usually of the low torque type in order to reduce the inrush current and the load of the mill drive train. A starting coupling is required to limit the motor torque during mill start. In the case of a high-speed synchronous motor a hydraulic coupling can be used. Low-speed low-torque motors use air ...

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Used Mill, Ball, 13' X 21', Allis Chalmers, 2000 HP, R/L ...

Allis Chalmers Svedala ball mill, 13' diameter x 21' long, rubber-lined mill, with Siemens-Allis 2,000 HP, 4000 volt, 200 RPM synchronous motor, Eaton airflex clutch. Includes trommel discharge, ball mill rejects conveyor, lube system, etc. Offere...

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Ball Mill Drives - Mineral Processing & Metallurgy

When using a synchronous motor we recommend having 200% starting torque, 120% to 130% pull-in torque, and 225% pull-out torque. These assume no greater than a 10% voltage drop at the motor terminals. V-BELT Ball Mill DRIVE V-belt or poly-V drives are generally used on grinding mills consuming 350 HP or less.

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, Possible trajectories of steel balls in a SAG mill. Load ...

Synchronous motors with a high number of pole pairs are used as the prime movers. ... new projects consider grinding circuits with SAG and ball mills with 36′ or larger mill diameters with ...

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Application of synchronous motor pdf - Canadian guide ...

Here's a typical synchronous motor application – a ball mill in a mine ore process: I see these from about 500Hp to about 8,000Hp with synchronous speeds of 120 to. synchronous motor, as described below). Induction motors are classified by application with a design letter which gives an indication of key performance. The Synchronous Machine.

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Used Synchronous Motors for sale. GE equipment ... - Machinio

200 HP (150 kW) Synchronous Motor with starter, 180 RPM. Synchronous motor and starter used to power a 7 x 10 ft Marcy ball mill Motor: - 200 HP (150 kW) - 180 RPM - 460 V Starter: - Weaver Electric Custom Control Synchronous Starter - HP 300-200 - Voltage 575-460 - Ex...

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Ball Mill Positioning | Benshaw Inc.

The 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 for maintenance. The customer's previous system utilized multiple DC contactors and a motorized cam switch to position the mill. The speed of motor rotation was fixed ...

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(PDF) Evaluation of synchronous motors on grinding mills

The most wide ly used motor for Mill applicati ons is the synchronous motor shown in Figure 1 however reasons for its use have evolved wi th VFD control. Mills are …

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"EXPERIENCE WITH SYNCHRONOUS AND - Cimentec

3.6.1 Synchronous motors The torque ratings of synchronous motors designed to drive ball mills may be classified as low to intermediate torque ranges (normal ranges), and high torque. For ball mills applications NEMA identifies the minimum net torque requirements as following:

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China 6kv/10kv Three Phase Synchronous Ball Mill Motor ...

The series is a kind of large-sized 3-phase AC synchronous motor mainly used to drive mills in mines, including grate ball mill, rod mill and coal mill. Product Name: High Voltage Ball Mill Synchronous Motor Rated voltage: 3000V, 6000V, 10000V Capacity range: 320 kW ~ 5000kW Rated frequency: 50Hz, 60HZ Cooling method: IC01 Quota: S1

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Synchronous Motors - Electric machine

WEG Electric Machinery, WEM, synchronous motors incorporate special features making them the right choice for use in the corrosive environments found in paper mills. Rotor Rotor Construction The rotor consists of a spider on which the field poles, amortisseur (cage) windings and brushless exciter armature are mounted.

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Where is a synchronous motor used? - GATE EE

(II)An overexcited synchronous motor can generate reactive power and hence along with catering mechanical load it can stabilize the system. (III)it has higher operating efficiency. (iv)It is preferred for driving the loads requiring high powers at low speed e.g ball mills,crushers etc. For any further query plz write in the comment

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What Are Synchronous Motors Used For - SeniorCare2Share

Synchronous motors are normally used in applications in which a constant and precise speed is required. Typical applications of these low power motors are positioning machines. They are also used in robot actuators. Synchronous motors are also used in ball mills, watches, record players, and turntables.

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Synchronous Motor - Construction, Principle, Types ...

Synchronous motors are used in voltage regulation; Synchronous motors are generally used for low speed, high power loads. Synchronous motors are generally used in air and gas compressors and vacuum pumps. Synchronous motors also find their application in crushers, mills and grinders. They are also used in exhausters, fans, and blowers.

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Ball Mill Positioning - Benshaw Inc.

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 for maintenance. The customer's previous system utilized multiple DC contactors and a motorized cam switch to position the mill.

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E2000 | Euradrives

E2000 0.4 kW - 400 kW. E2000. High-tech motor control concept, based on advanced DSP-technology - ready for V/Hz, SENSORLESS VECTOR, CLV and permanent magnet synchronous motor control PMSM. Intelligent AUTOTUNING functions for easy setup. Compact in size, modular in concept, rugged construction, build for the worldwide market.

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Energy-saving Mining Ball Mill - Hongsheng Machine ...

Note 1. The weight of the large ball mill does not include the weight of the motor. 2. Other specifications of the ball mill can be provided according to the user's needs. 3. The motors in the table are all asynchronous motors. If the synchronous motor is selected when ordering, the technical parameters are for reference.

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Comminution Circuits - Featured Projects - DJB Consultants Inc

Comminution Circuits – Featured Projects ANTAPACCAY. Southern Peru, 2009-2013 (108,000 tpd – 80,000 tpd) Predictions of mill throughput from a porphyry copper open pit based on comminution test results of 22 composites and the available motor power of a "Standard" SAG Mill/Ball Mill circuit consisting of one 40 ft dia. x 22 ft EGL SAG Mill rated at 24 MW GMD and …

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SYNCHRONOUS MOTOR DESIGN AND ANALYSING THE …

The AC Synchronous motor is an effective way to obtain a fixed speed at a very low motor system cost. No expensive driver or amplifier is necessary. Most synchronous motors are used where precise timing and constant speed are required. AC Synchronous Motors range in size from sub-fractional horsepower to over 10,000 horsepower.

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spare parts allis chalmers ball mill

Used 2,000 HP Ball Mill for sale | Machinery and Equipment. Allis Chalmers Svedala ball mill, 13' diameter x 21' long, rubber-lined mill, with Siemens-Allis 2,000 HP, 4000 volt, 200 RPM synchronous motor, Eaton airflex clutch. Includes trommel discharge, ball mill rejects conveyor, lube system, etc. Offered complete with controls. New in 1979.

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Industrial Motors - TMEIC

blowers, motor ratings can reach or exceed 100,000 hp. Meeting the demand for large motors for the metals industry, TMEIC has produced large synchronous and induction motors for the operation of steel rolling mills. The power levels for these motors go up to about 10 MW. They are covered in a separate brochure.

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III. Synchronous Motors - University of Technology, Iraq

Synchronous motors are used for constant speed, steady loads. High ... These motors find application in dr iving low speed compressors, slow speed fans, pumps, ball mills, metal rolling mills and process industries. Synchronous Motors Dr. Suad Ibrahim Shahl 9 . Methods of starting (1) by using a starting motor. This motor is directly coupled to ...

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Induction Motors For Grinding Mill In Cement Industry

Process Diagnostic Studies For Cement Mill. Ball mills are predominantly used machines for grinding in the cement industry. Although ball mills A 1.5 mio t a cement plant is having a closed circuit ball mill for cement grinding The mill has been Separator motor 300 kW Separator Fan 248300 m 3 h ESP Fan 74100 m 3 h 497 mmwg 375 mmwg. Read More

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12 Basic Motor Types Used For Industrial Electric Drives | EEP

4. Three-phase Synchronous Motor. Because its speed remains constant under varying loads, 3-phase synchronous motor is used for driving continuously operating equipment at constant speed such as ammonia and air compressors, motor generator sets, continuous rolling mills, paper and cement industries.

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