Wound Rotor Motor Mill Drives

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Wound Rotor Motor Mill Drives

What is a wound rotor motor? | AnswersDrive

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.

What We Do: Drives - Synergy Eng

WHAT WE DO: Drives. The Secondary Resistive Controller is a combination of hardware and software that controls the speed of the wound rotor motor and its torque characteristics. Synergy engineers drive systems for large industrial applications: Wound rotor motor secondary resistance control. Conveyors; Crushers; Mills; Pumps

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

Wound Rotor Induction Motor - The Engineering Projects

Oct 10, 2016 · A Wound Rotor Induction Motor is also known as slip ring induction motor. I will tell you about the construction of Wound Rotor Induction Motor in the first section. In the second section, I would be throwing light on the operation and working principle of Wound Rotor Induction Motor.

Wound rotor motor - Wikipedia

So, we are able to control the speed of this type of motor easily. A wound-rotor motor can be used in several forms of adjustable-speed drive. Certain types of variable-speed drives recover slip-frequency power from the rotor circuit and feed it back to the supply, allowing wide .

TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS .

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.

Use of variable frequency drives with wound rotor motors .

Use of variable frequency drives with wound rotor motors. Publication date: October 2004. Author(s): Jim McKee (deceased), Alabama Electric Motor Service. Type of media: Article. 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 .

Wound-Rotor Motors — High Torque and Adjustable Speed .

Wound-rotor motors deliver speed control of heavy and high-torque loads.What's special about the wound-rotor motor? This type of 3-phase induction motor has high starting torque, which makes it ideal for applications where standard NEMA design motors fall short. The wound-rotor motor is particularly effective in applications where using a squirrel-cage motor may result in a

Winding down not out - HOIST magazine

Nov 21, 2012 · Better control, increased motor efficiency, and the removal of two principal wear items. However, the drawback is that by grounding the rotor out internally, the characteristics of the motor change dramatically. Wound rotor motors are typically NEMA Design D, with 300 per cent and more of locked rotor torque available at start.

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 motor.The speed of a three-phase induction motor driving a given load is determined by matching the torque-speed characteristics of the motor and load, as shown in Fig.. The operating point is the intersection of the two characteristics and we can fix for a given load and motor .

Understanding Electronic Motor Drives | Machine Design

Matching drive to motor is essential to gain the best . The rotor and stator work through magnetic interaction. . and resulting horsepower of a motor. Dc drives typically control a shunt-wound .

wound rotor teco westinghouse motor

wound rotor motor mill drives insero. Wound Rotor Motor manufacturers suppliers, wound Teco-Westinghouse Motor Company Among the many Westinghouse firsts in the history of DC motors was . Get Price. wound motor hammer crusher appliion indiacarez.

Wound Rotor Induction Motors - All About Circuits

Wound Rotor Induction Motors; Table of Contents . Wound Rotor Induction Motors Chapter 13 - AC Motors. 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 .

High voltage motors for mills More for mining

the body of the mill itself becomes the rotor. Ring-geared mill drive For mills with standard diameters or requiring less than 20 MW (approx.) of power, ring-geared mill drives (RMDs) offer the best solution. Three of the most common drive types for RMDs are low speed motors without a gearbox, high speed motors with a reduction gearbox, and .

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 commutator and brushes due to which frequent maintenance is required. This problem is overcome by the variable speed induction motor drive.

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 low-voltage 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.

High voltage motors for mills More for mining

the body of the mill itself becomes the rotor. Ring-geared mill drive For mills with standard diameters or requiring less than 20 MW (approx.) of power, ring-geared mill drives (RMDs) offer the best solution. Three of the most common drive types for RMDs are low speed motors without a gearbox, high speed motors with a reduction gearbox, and .

TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS .

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.

Can a VFD run a wound-rotor motor? - Schneider Electric

Most wound-rotor motors are used where high starting torque is required so an Altivar 312, Altivar 32 or Altivar 71 drive would be most suitable for this application. The wound-rotor motors use resistor to connect the rotor windings. The resistance can be adjusted to control the speed/torque characteristis of the motor. To use a variable .

Understanding Electronic Motor Drives | Machine Design

Matching drive to motor is essential to gain the best . The rotor and stator work through magnetic interaction. . and resulting horsepower of a motor. Dc drives typically control a shunt-wound .

Can a VFD run a wound-rotor motor? - Schneider Electric

Most wound-rotor motors are used where high starting torque is required so an Altivar 312, Altivar 32 or Altivar 71 drive would be most suitable for this application. The wound-rotor motors use resistor to connect the rotor windings. The resistance can be adjusted to control the speed/torque characteristis of the motor. To use a variable .

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 10,000kW SAG mill ICR SEPTEMBER 2009. are in volume production at this time, support should be available for years to come. Getting renewal parts for older thyristor based SPR drive .

What is Static Scherbius Drive? Meaning and Explanation .

The Static Scherbius Drive provides the speed control of a wound rotor motor below synchronous speed. The portion of rotor AC power is converted into DC by a diode bridge. The controlled rectifier works as an inverter and converts the DC power back into AC and feeds it back to the AC source.

Variable-frequency drive - Wikipedia

A variable-frequency drive (VFD) or adjustable-frequency drive . Wound-rotor synchronous motors can be run at even higher speeds. In rolling mill drives, often 200-300% of the base speed is used. The mechanical strength of the rotor limits the maximum speed of the motor.

Wound Rotor Induction Motor, AC Low Voltage Induction .

KECL Manufacture of wound rotor induction motors with Low Voltage, Rerolling Mill Duty Motor, Non corrosive & non hazardous in nature. . Left hand side when viewed from non-drive end, reversible assembly at site is not possible. Terminal box arrangement: For KCW 450 & 500: Stator – 43506201, Rotor – 43521599. .

Can a VFD run a wound-rotor motor? - Schneider Electric

Most wound-rotor motors are used where high starting torque is required so an Altivar 312, Altivar 32 or Altivar 71 drive would be most suitable for this application. The wound-rotor motors use resistor to connect the rotor windings. The resistance can be adjusted to control the speed/torque characteristis of the motor. To use a variable .

Electric Motors and Drives - ИКЕМ

Speed control of wound-rotor motors 224 Power Factor Control and Energy Optimisation 225 Voltage control 225 Slip energy recovery (wound rotor motors) 227 . for non-specialist users and students of electric motors and drives. My original aim was to bridge the gap between specialist textbooks (which are pitched at a level too academic for the .

EUCLID - rowlandcrane

AC Magnetic Motor Controls Euclid AC controllers are for use with new or existing wound rotor or squirrel cage motor drives. Depending on model and type, they are ideal for motor primary or secondary controls, eddy current brake hoists, counter torque hoists, lift bridges and other large machines.

Large Frame AC Induction Motors - baldor

offer more than 10,000 stock motors, drives and gearboxes. Energy-efficiency leader.Baldor began lowering the energy consumption of our motors in the 1920's, long before others were even talking about it. Today, Baldor's expansive line of Premium Efficiency motors extends from 1 through 15,000 Hp.

TECO-Westinghouse 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 high-inertia equipment and large loads smoothly and easily. Wound rotor motors also can develop high starting torque at standstill – while maintaining low inrush.