Slip ring motors | up to 8000 kW 13800 V

MENZEL slip ring motors, also called wound rotor motors, are available in all current motor cooling and protection types for low-voltage from 75 kW as well as medium and high voltage up to 15000 kW. They set technical standards in …

wound rotor motor mill drives - sremachineries.in

wound rotor motor mill drives. 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 ...

Drive Solutions for the Global Mining Industry

The variable frequency drive application is a dual-pinion SAG mill driven by two 5,000 kW wound rotor induction motors (WRIM). Two TMdrive- 10SPRs control motor speed by recovering rotor current and returning the power to the utility supply. Confi gured in a twin motor arrangement, the motors share load in the tandem mill. The Customer Need

(PDF) Evaluation of synchronous motors on grinding mills

Wound rotor mot or solutions are use d mostly for th eir higher st arting torque capabili ty (achieved by adding external rotor resistance), loadsharing on dual …

Variable Frequency Drives (VFD's)

– Wound rotor motor – DC Drives – AC Variable Frequency Drives. 3 How Have We Varied Flow Historically? •Size motor/system for maximum flow •Use throttling devices on fans, pumps & compressors to reduce flow rates –Valves –Vanes & Dampers 0 …

Wound Rotor Motor Mill Drives - destille-ruf.de

Wound rotor motor . Find your wound rotor motor easily amongst the 43 products from the leading brands faulhaber, baldor, siemens, ... on directindustry, the industry specialist for your professional purchases. ... cement ball-mill twin drives slip ring or other wound type rotor motors are used all over the world. cg hungary is the first in the ...

wound rotor motor mill drives philippines

SAG Mill Components Mineral Processing amp Metallurgy. Apr 18 2018 In addition although technically a synchronous motor this drive design has a power factor and efficiency lower than those typical of wound rotor motors On the other hand a slow start is inherent and the inrush is lower than a wound rotor motor or a synchronous motor We expect to see more of …

(PDF) Evaluation of synchronous motors on grinding mills

Wound rotor mot or solutions are use d mostly for th eir higher st arting torque capabili ty ... The c ombined motor and mill inertia is larger than the . ... For the twinsynchronous motor drives ...

Wound Rotor Induction Motor: What is it? (Diagram & …

A slip ring induction motor or wound rotor induction motor is suitable for most high-power industrial electrical drives where high starting torque is required. It is used to drive a heavy load such as: 1. Lifts 2. Line shafts 3. Cranes 4. Hoist …

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

Wound rotor motors are a specialized type of AC motor and work in much the same way that other induction motors function. They consist of two main components, the outside stator, and the inside rotor, which are separated by a …

Wound Rotor Motor Mill Drives

Induction Motors For Grinding Mill In Cement Industry. 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.

wound rotor motor mill drives - opacars.be

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 . Read More; Wound rotor motorWikipedia.

A 1500 hp wound rotor motor drives a roughing mill | …

Transcribed image text: A 1500 hp wound rotor motor drives a roughing mill setup to reduce a hot metal steel billet from 200mm x 200mm to 120mm x 120mm. Due to its continuous operation and in consideration of the heat, the gearbox, which the motor drives need constant circulating lubrication via an oil pump driven by a 7.5 hp motor.

Wound Rotor Motor Mill Drives - cityguide-oleg.de

Wound Rotor Motor Wound Rotor Motor Mill Drives. Find your wound rotor motor easily amongst the 58 products from the leading brands Baldor WEG GE Motors . on DirectIndustry the industry specialist for your professional purchases. . cement ball-mill twin drives Slip Ring or other wound type rotor motors are used all over the world.

Wound Rotor Motor Mill Drives Saudi Arabia Crusher

Wound Rotor Motor Mill Drives Saudi Arabia. Specializing in the production of jaw crusher, sand machine, ball mill, Raymond mill, cement equipment and other products. The main products are E-crusher, impact crusher, hammer crusher, impact crusher, Raymond mill, magnetic separator and other equipment, you can tailor-made production line, welcome ...

Applications of Electric Drives | Electrical Engineering

The motors used for lifting, travelling and reversing, and for conveying and hoisting are dc compound wound, dc series wound and ac slip-ring induction motors (with rotor resistance control) respectively. Hoist motors are provided with special electromechanical brakes, which by means of springs, are made to hold the load as soon as supply fails.

Ball Mill Drives - Mineral Processing & Metallurgy

DIRECT CONNECTED Ball Mill DRIVE When power exceeds 300 HP a direct connected drive is recommended. This drive is also applicable for lower …

Wound Rotor Motor Mill Drives - arch-i-made …

Wound rotor motor . Find your wound rotor motor easily amongst the 66 products from the leading brands (CG GE Motors ABB ) on DirectIndustry the industry specialist for your professional purchases cement ball-mill 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 successfully

wound rotor motor mill drives - boulangerie-trets.fr

wound rotor motor mill drives. SAG Mill Components - Mineral Processing & Metallurgy. Apr 18, 2018· The use of wound rotor motors also provides for a low inrush situation, if the power system study demands it, and makes mill speed variation possible. This variation comes generally at a sace in motor efficiency because the reduced power demand ...

Wound rotor motor - WikiMili, The Best Wikipedia Reader

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 …

Wound Rotor Motor Mill Drives - cafe-leon-art.de

wound rotor motor. MV&HV series. Power: 370 kW 7,800 kW Rotational speed: 400 rpm 1,800 rpm. The wound rotor induction motor has some distinct application advantages. ball mill twin drives Slip Ring or other wound type rotor motors are used all over the world. Get Price

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

Though expensive and less efficient, the wound rotor motor and its adjustable torque-speed characteristics are great for driving large ball mills, …

Medium Voltage VSDs in mill drive applications

motors in conjunction with a LRS can offer the ability to vary the speed of the mill between 50 and of the rated speed. This is achieved by changing the resistance applied to the rotor by means of the LRS. The higher the resistance on the rotor the lower the starting current, the higher the torque and the greater the percentage slip and

Wound Rotor Motor: What is it? - Motion Control Tips

The slip ring or wound rotor induction motor (WRIM) has been used in a variety of applications. Many of these applications use the WRIM's high starting torque capabil­ity while limiting current to start and run very high inertia loads such as hammer mills, …

wound rotor motor mill drives - annasweethome.de

wound rotor motor mill drives. wound rotor motor mill drives Speed control of induction motor 7 ways to control Speed control of induction motor by 7 ways Today I will discuss very important topic speed control of induction motorThe speed of a threephase induction motor driving a given load is determined by matching the torquespeed characteristics of the motor and

wound rotor motor mill drives - dark.org.pl

The effect of voltage dips on wound rotor induction motors ... rotor windings and the external rotor resistors [6]. SER is an alternative approach to induction motor speed control. Modern SER drives consist of back-to-back voltage source converters which are positioned in the rotor circuit of a wound rotor induction motor (Figure 2).

wound rotor motor and ball mill starting curve

wound rotor motor and ball mill starting curve. Ball Mill Drives Mineral Processing & MetallurgySeveral types of ball mill drives can be wound rotor motor These assume no greater than a 10% voltage drop at the motor terminals V-BELT Ball Mill DRIVE -wound rotor motor and ball mill starting curve-,rotor use forget price

LCI'S AND SYNCHRONOUS MOTORS APPLIED TO …

asynchronous and synchronous motors have been utilized. Many mills are powered by wound rotor induction motors (WRIM) with some form of secondary control. A benefit associated with variable secondary resistance, for a wound rotor induction motor, is the reduction in starting current. This can be

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 …

wound rotor motor mill drives - noirdeble.fr

Wound Rotor Motor Mill Drives Wound Rotor Motor Mill Driv 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, a wound rotor induction motor was the, motors on grinding mills, slip power recovery drives have been applied in other industries, such as in …