SWITCHED RELUCTANCE DRIVES PROVIDE IMPROVED SOLUTIONS FOR HIGH STARTING TORQUE AND VARIABLE SPEED CONTROL IN SEVERE MINING APPLICATIONS
Vancouver, B.C. – June 4, 2009 - Synergy Engineering Ltd. and Switched Reluctance Drives Ltd (SRDL, a Subsidiary of Emerson Electric Co.) today announced their agreement to cooperate in the delivery of Switched Reluctance solutions to the Mining and the Materials Handling sectors.
Through a licensing arrangement, Synergy now has access to SRDL’s core SR Drives® motor and control technology and existing designs, enabling Synergy to integrate the benefit of Switched Reluctance technology into engineered drive solutions for its Mining and Materials Handling customers around the globe.
Open-pit mine owners worldwide can expect immediate benefit from the integration of SR Drives® motor and control technology to provide higher torque over wider speed ranges, unlimited starts per hour, significantly extended stall times and higher efficiencies - all in a smaller package.
Furthermore, the absence of in-rush currents coupled with the fault tolerant power electronics provides a higher margin of reliability with reduced down-time and minimum sizing of up-stream power requirements.
Additional financial benefits to end-users are expected from reduced overall maintenance costs, simplified drive-trains and improved environmental performance.
Initially, Synergy will be responding to existing inquiries for SRDL’s SR solutions in low to medium power applications such as feeders, and harsh environment traction and torque control applications, such as take-up winches.
The SR Drives® motor and control system is expected to become the first practical and cost effective alternative to a number of hydraulic drive applications.
For 20 years, Synergy has focused on creating innovative drive solutions to the unique application challenges of their customers in the Mining sector and in other large material handling industries.
What is Switched Reluctance Technology?
The Switched Reluctance system comprises a simple brushless motor with a dedicated electronic controller. Torque is produced by the magnetic attraction of a steel rotor to stator electromagnets. No permanent magnets are needed, and the rotor carries no “squirrel cage” or windings (see Fig. 1).
The rotor’s position relative to the stator is detected using a simple hardware sensor or by electronic 'sensorless’ means. The controller then energizes each stator winding only when it can produce useful torque. By suitable timing of the stator excitation, the machine can operate as a motor or generator, with exceptional efficiency over a wide range of speed and torque (see Fig. 2).
Why use SRDL’s Switched Reluctance Technology?
Thanks to its inherent simplicity, SRDL’s Switched Reluctance system is – both mechanically and electrically – highly robust. Properly designed and controlled, the motor yields high efficiency across a very wide range of load conditions, and outperforms conventional technologies in most applications – especially where high starting torque, high speed and/or wide constant power speed range are needed.
Low energy losses in both the rotor and power electronics eases thermal management and enhances reliability and efficiency, whilst the compact stator windings permit great flexibility in motor shape.
In both standard and custom designs, SRDL’s Switched Reluctance systems offer uniquely flexible, high-performance and cost-effective variable-speed solutions for all applications Figs. 3 + 4)..
About Synergy Engineering Ltd.:
Synergy Engineering Ltd. is recognized as a world leader in the design and manufacture of custom built, large electrical drive systems. For 20 years Synergy has focused on providing effective solutions to the unique drive system application challenges of their customer in the Mining sector and in other sectors challenged by special large material handling applications.
In 2003, Synergy Ingeneria Limitada was formed as a wholly owned subsidiary based in Santiago, Chile. In 2007, Synergy added a field service team in Antofagasta to further improve support of its customers in Chile’s Northern Mining sector.
About Switched Reluctance Drives Ltd (SRDL):
Switched Reluctance Drives Ltd (SRDL) is a leading engineering and technology provider in the field of advanced electrical machines and drives systems, with a particular focus on Switched Reluctance technology. The company has pioneered the development, application and commercialization of Switched Reluctance technology under its SR Drive® trademark and is now the world leader in this area.
The SR Drives Group is based on a single site in Harrogate UK and comprises two operating companies: Switched Reluctance Drives Ltd (SRDL), and SR Drives Manufacturing Ltd (SRDML). Both companies are wholly owned subsidiaries of Emerson Electric Co of St Louis, Missouri.
SR Drives® Motor & Control Technology
SWITCHED RELUCTANCE DRIVES PROVIDE IMPROVED SOLUTIONS FOR HIGH STARTING TORQUE AND VARIABLE SPEED CONTROL IN SEVERE MINING APPLICATIONS
Vancouver, B.C. – June 4, 2009 - Synergy Engineering Ltd. and Switched Reluctance Drives Ltd (SRDL, a Subsidiary of Emerson Electric Co.) today announced their agreement to cooperate in the delivery of Switched Reluctance solutions to the Mining and the Materials Handling sectors.
Through a licensing arrangement, Synergy now has access to SRDL’s core SR Drives® motor and control technology and existing designs, enabling Synergy to integrate the benefit of Switched Reluctance technology into engineered drive solutions for its Mining and Materials Handling customers around the globe.
Open-pit mine owners worldwide can expect immediate benefit from the integration of SR Drives® motor and control technology to provide higher torque over wider speed ranges, unlimited starts per hour, significantly extended stall times and higher efficiencies - all in a smaller package.
Furthermore, the absence of in-rush currents coupled with the fault tolerant power electronics provides a higher margin of reliability with reduced down-time and minimum sizing of up-stream power requirements.
Additional financial benefits to end-users are expected from reduced overall maintenance costs, simplified drive-trains and improved environmental performance.
Initially, Synergy will be responding to existing inquiries for SRDL’s SR solutions in low to medium power applications such as feeders, and harsh environment traction and torque control applications, such as take-up winches.
The SR Drives® motor and control system is expected to become the first practical and cost effective alternative to a number of hydraulic drive applications.
For 20 years, Synergy has focused on creating innovative drive solutions to the unique application challenges of their customers in the Mining sector and in other large material handling industries.
What is Switched Reluctance Technology?
The Switched Reluctance system comprises a simple brushless motor with a dedicated electronic controller. Torque is produced by the magnetic attraction of a steel rotor to stator electromagnets. No permanent magnets are needed, and the rotor carries no “squirrel cage” or windings (see Fig. 1).
The rotor’s position relative to the stator is detected using a simple hardware sensor or by electronic 'sensorless’ means. The controller then energizes each stator winding only when it can produce useful torque. By suitable timing of the stator excitation, the machine can operate as a motor or generator, with exceptional efficiency over a wide range of speed and torque (see Fig. 2).
Why use SRDL’s Switched Reluctance Technology?
Thanks to its inherent simplicity, SRDL’s Switched Reluctance system is – both mechanically and electrically – highly robust. Properly designed and controlled, the motor yields high efficiency across a very wide range of load conditions, and outperforms conventional technologies in most applications – especially where high starting torque, high speed and/or wide constant power speed range are needed.
Low energy losses in both the rotor and power electronics eases thermal management and enhances reliability and efficiency, whilst the compact stator windings permit great flexibility in motor shape.
In both standard and custom designs, SRDL’s Switched Reluctance systems offer uniquely flexible, high-performance and cost-effective variable-speed solutions for all applications Figs. 3 + 4)..
About Synergy Engineering Ltd.:
Synergy Engineering Ltd. is recognized as a world leader in the design and manufacture of custom built, large electrical drive systems. For 20 years Synergy has focused on providing effective solutions to the unique drive system application challenges of their customer in the Mining sector and in other sectors challenged by special large material handling applications.
In 2003, Synergy Ingeneria Limitada was formed as a wholly owned subsidiary based in Santiago, Chile. In 2007, Synergy added a field service team in Antofagasta to further improve support of its customers in Chile’s Northern Mining sector.
About Switched Reluctance Drives Ltd (SRDL):
Switched Reluctance Drives Ltd (SRDL) is a leading engineering and technology provider in the field of advanced electrical machines and drives systems, with a particular focus on Switched Reluctance technology. The company has pioneered the development, application and commercialization of Switched Reluctance technology under its SR Drive® trademark and is now the world leader in this area.
The SR Drives Group is based on a single site in Harrogate UK and comprises two operating companies: Switched Reluctance Drives Ltd (SRDL), and SR Drives Manufacturing Ltd (SRDML). Both companies are wholly owned subsidiaries of Emerson Electric Co of St Louis, Missouri.
For further information, please contact:
Synergy Engineering Ltd.
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Switched Reluctance Drives Ltd.
https://edir.bulk-online.com/profile...nce-drives.htm11027 switched reluctance drives.htm
Fig. 1: Rotor and stator from a three phase SR Drive® motor
Fig. 2: Torque production within the Switched Reluctance motor
Fig. 3: Typical Industrial SR Drive® motor and power converter – 180kW / 400Vac supply
Fig. 4: SR Drive® motors for many applications – all shapes, sizes and power levels
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