synchronous motor clutch mill

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1000 HP Synchronous Motor

Jun 16 2004 0183 32 I have a Synchronous Motor coupled to a Ball Mill by clutch It starts uncoupled and after it synchronizes the clutch engages the load Nameplate and other data and parameters are 1000HP PF 10 4160V 60HZ 180 rpm 60 176 C Rise Stator 70 176 C Rise Rotor Excitation 125V kVA 800 111 Amps armature 125 V field Exc Amps 158 frame 9404 GE...

What are the methods of stopping a synchronous motor

Answer 1 of 3 There are several methods for braking a synchronous motor Most effective technique is Regenerative braking in which the kinetic energy of rotating mass is converted into electrical energy then fed back to supplyYes you read that correct a motor is feeding power to supply Ano...

SAG Mill Components

Apr 18 2018 0183 32 If an across the line start is allowable the air- clutch can be eliminated and a high torque synchronous motor used either of the low speed type or a high speed type thru a gear box If the advantages of a synchronous motor are desired on any dual pinion drive application dual synchronous motors are available to drive dual pinion gear...

Synchronous Motor

A synchronous motor is designed to develop 2500 hp at 1200 rpm when fed at 60 Hz with a power factor of unity Considering internal ventilation with an ambient temperature of 40 176 C and class H insulation the temperature rise is according to Sections IE and IIIC ϑ w = 90 176 C According to Eq 41 the bore diameter is...

Copper Ore Crushing Plant in Chile

Synchronous motor a hydraulic coupling can be used Low-speed low-torque motors use air clutches for a controlled mill start Installation of a ring motor on a SAG mill Synchronous motor drive with air clutch COMBIFLEX drive 5 400 kW with high- speed synchronous motor and fluid coupling Oil lubri-cated standar-dised pinion arrangement with...

Principle Of Working Of Synchronous Motor Synchronous

A synchronous motor is a 3 phase motor and it closely resembles 3 phase alternator 3 phase synchronous motor and 3 phase induction motor are most widely used AC motor A synchronous motor is also called as doubly excited motor The synchronous motor consist of the two parts Stator Stator is the armature winding It consists of three phase...

Synchronous Motors Applications And Working Principle

Jul 22 2013 0183 32 Electrical motors are an electro-mechanical device that converts electrical energy to mechanical energy Based on the type of input we have classified it into single phase and 3 phase motors The most common type of 3 phase motors is synchronous motors and induction motorsWhen three-phase electric conductors are placed in certain geometrical positions ie in a...

FC Bond Grinding Test Mill Sepor Inc

Submit Thank You Request Pricing Info 30cm x 30cm ball mill used for FC Bond method of grindability testing Operates at 70 RPM automatic revolution counter synchronous motor smooth operating electric clutch Includes ball charge Built using...

Synchronous Motors Empowering the Future

plants TMEIC synchronous motors are assisting in the purifi-cation of highly concentrated oxygen a necessary element in steel production Specially designed for effective opera-tion these motors improve the power-factor of the electrical system As a result the system load is reduced and the start-up current can be restricted...

Synchronous Motor Applications

Mill size 7315 M 24 feet diameter by 12039 M 395 feet long Mill type Wet grinding overflow discharge Mill drive motor size 17 000 HP Mill drive motor type Synchronous 200 RPM Inside diameter 7 315 mm Length 11 430 mm Effective grinding length EGL 11 886 mm Bearing type Partial Journal 120 degree bronze insert...

EXPERIENCE WITH SYNCHRONOUS AND

71 Ball Mill drives with synchronous motor and air clutch/fluid coupling 72 Ball Mill with slip ring induction motor 8 Maintenance and operational issues 18 81 Synchronous motor and exciter 82 Slip ring induction motor and rheostat 83 Air clutch 84 Fluid coupling 9 Conclusions 21...

Discussion at spring convention Synchronous

S H Mortensen Mr Drake s paper recognizes the importance of the application of dynamic braking to motors driving rubber mills and similar industrial installations where quick stops are necessary for safety reasons The importance of this was brought to the speaker s attention in 1918 in connection with the design and operation of a 500-h p 450-rev per min self-starting synchronous...

Electric Drives for Large Ore Grinding Mills

Apr 19 2019 0183 32 Electric Drives for Large Ore Grinding Mills Ore grinding mills are really just slowly rotating barrels but barrels that are growing in size so fast that the application of electric drives for them is rapidly approaching a technology like that for wind tunnels or pumped storage driv This application is particularly worthy of care because...

Synchronous motor

synchronous motor YZ141A YZ141B Power 291 kW Rotational speed 534 rpm - 2 268 rpm Current 520 A - 650 A DESCRIPTION YZ141A YZ141B is used in narrow gauge and can be interchangeable with D29 D31 PARAMETER Rated Voltage 615V Max permanent voltage 1000V Cooling air 70m³/min Rated...

Synchronous motor with permanent magnets

Direct drive with no gearbox intended for metro application Designed to work with SiC traction inverter...

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 Completely rebuilt in 1998 serial number C-2485 Previously used at phosphate minerals processing facility...

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...

Synchronous Motors Definition Working Principle Types

Oct 22 2020 0183 32 Synchronous motors are usually used where there is a need for precise and constant speed Low power applications of these motors include positioning machin This kind of electric motors is also applied in robot actuators Some other applications make use of synchronous motors such as ball mills clocks and record player turntabl...

What s driving milling

Sep 24 2012 0183 32 Compact lower-cost 173 synchronous motors To meet the high torque requirements of today s large ring-geared mills low speed drives generally use synchronous motors The motors are...

74 180 180 Mesta 4 Hi Temper Mill

Synchronous Motor - Coil Buggy with Traversing Floor Plates - Coil Tipper - Operator s Console Mill Housing - Housing with Spring Balance Systems - Shoe Plate - Top and Bottom Separator - Screwdown Motor 414 Frame 75 HP 500 RPM 230 V DC - Screwdown Clutch - Screwdown Gearing - Mill-Mounted Shear - Single Reduction Combination Pinion Gearbox...

Synchronous Motors With Clutches For Mill

clutch for cement mill motor - HWM Stone Crusher for Sale 514 rpm synchronous motor with an air clutch and gear use of a clutch permits the mill motor to be two compartment cement ball mill driven by a 5000 hp...

III Synchronous Motors

induction motor synchronous motor rotation is changed by reversing any two stator leads Rotor polarity has no effect on rotation Synchronous motors are often direct-coupled to the load and may share a common shaft and bearings with the load Large synchronous motors are usually started acrossthe - line Occasionally...

Synchronous motors Mike Holt s Forum

Mar 15 2016 0183 32 Super-Synchronous Motor Prof Irving L Kosow The super-synchronous motor does not operate at hyper-synchronous speed but its title is a misnomer It would have been better to have called it a super-torque motor The motor was developed by General Electric in order to provide a synchronous motor which was self-starting under heavy loads...

Synchronous Motors

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...

Autogenous mills semi

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...

1875RPM 400KW Synchronous Motor Factory China

Synchronous Motors for Air Separation Applications TK series three-phase synchronous motor is a high-voltage synchronous motor specially designed for air compressors mainly used in refrigeration and fertilizer industry equipment 40p 1600KW High Voltage Permanent Magnet Synchronous Motor The drive mode of 40p-1600KW high-voltage permanent magnet synchronous motor adopts the...

15hp 1kW 3

Tips The Application of 15hp 1kW 3-Phase Asynchronous Motor with Clutch Asynchronous motor is a kind of AC motor the ratio of its speed at load to the frequency of the connected grid is not a constant relationship It also varies with the size of the load The higher the load torque the lower the rotor speed...

12 x 19 Ball Rod Mill

1250 HP GE Synchronous Motor 4000 Volt Eaton 38VC1200 Clutch New Roto Seal for Clutch Ring Gear with Guards 2 Piece Single Helical Pinion Shaft Assembly History Previously Used as a Rod Mill Can be Converted from Rod Mill Service with New Trunnion Inserts Currently Disassembled Removed Ready to Inspect or Ship...

Main Difference Between Synchronous and Asynchronous Motor

The synchronous motor is a type of AC motor that runs at synchronous speed The asynchronous motor is a type of AC motor that runs on speed less than the synchronous speed It operates on the principle of magnetic interlocking between rotor and stator field It operates on the principle of electromagnetic induction between stator and rotor...

Synchronous Reluctance Motor Construction Working Its

The alternatives of some kinds of motor will function using three-phase AC power Most of the current designs available are the switched reluctance type as electronic commutation provides important control benefits for starting the motor motor speed control smooth operation The main characteristics of synchronous reluctance motor are high efficiency at synchronous speed without using rare...

Synchronous motor drive for rubber mills With special

Synchronous motor drive for rubber mills With special reference to dynamic braking control for safety stopping Abstract Since wound-rotor induction motors with clutch brakes have been very commonly used for this application a review of the operating conditions and safety requirements is given in order to show why synchronous motors without...

Grinding mill control system

In order to effect a soft start of the mill while accelerating it to full speed by way of the two motors operating at synchronous speed the gross difference in speed across the system as represented by the fixed synchronous motor speed at the input sides of the clutches compared to the actual mill speed equivalent appearing at the clutch...

Synchronous Condensing

Synchronous Condensing is a feature normally available on some peaking power plants This gives the ability of leaving the generator synchronised to the grid whilst the turbine is at rest in order to provided grid reactive power between sources of generation and points of demand This works similar to a synchronous motor whose shafts is not...

Gearmotors

Clutch Engineering offers high-quality gear motors that can be used with mechanical equipment across various industri Gearmotors pair a gearbox with an electric motor making them a critical part of many systems We offer modular designs that allows for a variety of gearbox styles reduction ratios and motors to be used This makes it possible to fit the requirements of a great range of...

PDF Evaluation of synchronous motors on grinding mills

The subject of this paper is a synchronous drive of grinding ball mills 4 MW 150 rpm 6 kV 50 Hz on the base of PWM CSI The system is installed at the concentrating plant...

Learning Objectives SYNCHRONOUS

The working of a synchronous motor is in many ways similar to the transmission of mechanical power by a shaft In Fig 385 are shown two pulleys P and Q transmitting power from the driver to the load The two pulleys are assumed to be keyed together just as stator and rotor poles are interlocked...

Synchronous motor

Aug 15 2019 0183 32 2 The synchronous motor can be operated over a wide range of power factors both lagging and leading but induction motor always runs with a lagging power factor which may become very low at light loads 3 A synchronous motors is inherently not self-starting but induction motor is...

HY tells the ball mill no

Sep 06 2021 0183 32 Therefore ball mills generally use no-load start synchronous motors and then use pneumatic clutch to connect ball mill load which reduces synchronous machine power and achieves energy saving The power of the ball mill motor mainly considers the weight of the equipment itself the amount of ball loading the amount of ore and the amount of...