Electrical switching & drive systems & components


Latest Articles

Drive matches future trends
Second Quarter 2008, Flexible Electronic Systems
Cost and time reductions do not start with the production process but in the development process of new machine tools and production systems. According to Guenter Schmitz, MD of Gauteng-based Flexible ...

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Aluminium motor has multimount design
Second Quarter 2008
Motor manufacturer CMG has extended its range of drive motors with the three phase SLA Series, an aluminium frame, multimount motor, available in sizes 56 to 160 (0,09 to 18,5 kW).    The series features ...

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Drives achieve true field orientation without feedback
Second Quarter 2008
High-speed stability and accuracy, together with reproducible torque are requirements for motion control in systems manufacturing high-quality products. From its many years of experience in the development ...

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Soft starter incorporates adaptive acceleration
Second Quarter 2008
Soft starters are maturing as more sophisticated units perform soft start and stop functions with greater control, more protection and detailed feedback. The AuCom EMX3 Soft Starter from CHI Control Components ...

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Flat motors incorporate speed control
Second Quarter 2008, DNH Technologies
A range of brushless DC motors with integrated electronics is being launched by maxon motor. The range features established drives EC 20 flat, EC 32 flat and EC 45 flat, but now they have in-built speed ...

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EtherCAT drive series expanded
Second Quarter 2008, Beckhoff Automation
New 18 and 25 A versions of the AX5000 EtherCAT servo drive have been released, adding to the existing 12 A single channel and 2 x 6 A dual channel drive units. Further variants with rated currents up ...

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PAC module controls AC single-phase motors
Second Quarter 2008, Beckhoff Automation
In many industrial nations, electric motors account for more than half of the electricity consumption so that they offer enormous energy saving potential. Speed control can easily reduce excess energy ...

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maxon expands brushed DC motor range
Second Quarter 2008, DNH Technologies
The top performance range of maxon motor's RE program is being boosted with the addition of the RE65 power package which delivers 250 W. The motor is particularly suitable for applications where high ...

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Relay monitors insulation integrity
Second Quarter 2008
Starting an electrical drive on a machine that has been standing for a long period of time should be avoided until the insulation level of the motor has been found acceptable. Insulation degradation can ...

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Altivar 61 and 71 VSDs - Simply Smart drives
First Quarter 2008, Schneider Electric South Africa
The Altivar 71 is tailored for constant torque applications, whereas the Altivar 61 is built for applications that require variable torque and is dedicated to pump and fan applications

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Energy efficient drives: the European Motor Challenge Programme
First Quarter 2008, Technews Publishing
The Programme issues guidelines in the form of modules to help partners document the status quo, establish project goals and record project outcomes

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High-speed drive offers greater efficiency
First Quarter 2008, Siemens South Africa
Siemens Automation and Drives (A&D) has added a high-speed version to its N-compact range of low voltage motors. Thanks to forced ventilation and special rotor design, the motor is suitable for the speed ...

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Test drive the new V1000 Yaskawa VSD
First Quarter 2008
Drives from Yaskawa have earned a reputation for performance, functionality and quality and as a world-class compact current vector drive the new Yaskawa V1000 from Varispeed continues that legacy.    In ...

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Control Techniques' new servo family
First Quarter 2008, Nidec Industrial Automation Southern Africa
A new range of compact servo-drives has been launched by Control Techniques targeting the general machinery automation market. The Digitax ST range comprises four models – Base, Indexer, EZ Motion and ...

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Drives scare and entertain
First Quarter 2008, Tectra Automation
The new Flyboard 5000 flight simulator will roll out in entertainment and amusement parks from spring 2008. The innovation is that there are no seats. On the platform of the Flyboard, a motion system ...

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UPSs provide high availability at low cost
First Quarter 2008
The quality of the uninterruptible power supply is essential for continuity of service of critical installations such as data centres, industrial processes and telecommunications. “Four basic factors ...

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Innovative billet inspection uses linear motion and drive systems
First Quarter 2008, Tectra Automation
Non-destructive materials testing and measuring equipment specialist, H.Rohloff, has developed the innovative Billet InspectIR, an automated, high-speed inspection system for use in the steel industry. ...

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Wireless sensors monitor jet's bearings
First Quarter 2008
Researchers at Purdue University, working with the US Air Force, have developed tiny wireless sensors resilient enough to survive the harsh conditions inside jet engines, where temperatures are in the ...

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Using energy efficiently: choosing the right electric drive technology
First Quarter 2008, Festo
Energy saving potential exists at all stages in the working process. However, in order to create energy efficient solutions for handling tasks, a comprehensive analysis is first required. Festo supports ...

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Vacon and Coca-Cola: drive company lines them up
Fourth Quarter 2007
Busy bottling companies with plants in Italy and Spain rely on Vacon AC drives which operate turning shuttles and stacker cranes manufactured by System Logistics. Based in Modena, Italy, close to the ...

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