Electrical switching & drive systems & components


Latest Articles

Nothing sticks to this drive
Third Quarter 2008, SEW-EURODRIVE
Purchasers of food, beverage and pharmaceutical products imagine that these products are made in pristine manufacturing conditions, but this is often far from the reality, even though regulations may ...

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A drive to look up to
Third Quarter 2008, Nidec Industrial Automation Southern Africa
A radical new type of climbing platform powered by Control Techniques servo-drives controlling long reach actuators has been designed by Delta International, the UK’s leading chimney contracting company. When ...

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Tough Vacon drive
Third Quarter 2008
The Finland-based AC drives manufacturer Vacon introduced its new Vacon X product line at the annual Vacon Drives Conference held this year in Tallinn, Estonia, on 9-12 June. The new AC drives are designed ...

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VSDs push Alcoa profits
Second Quarter 2008, Nidec Industrial Automation Southern Africa
The variable speed drives integrate with the hydraulic controller using Profibus and give exactly the required power at every stage of the operation

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Modular energy savings: replacement may pay
Second Quarter 2008, SEW-EURODRIVE
Dwindling resources and rising energy costs are prompting companies to review the system energy efficiency and follow-up costs1. At the centre of the issue of energy saving is the question of how energy ...

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RFC delivers encoderless closed loop control
Second Quarter 2008, Nidec Industrial Automation Southern Africa
Rotor Flux Control (RFC) is seen as a major advantage in applications where a combination of dynamic performance, stability and speed accuracy are required without encoder feedback and where low audible ...

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Compact starter reduces wiring overhead
Second Quarter 2008, Siemens South Africa
With the Sirius 3RA6 compact starter, Siemens Industry Automation (IA) has introduced a new low-voltage switchgear product for three-phase AC standard motors up to 32 amps. The functions of overload relay, ...

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Realtime Ethernet module for drives
Second Quarter 2008, Nidec Industrial Automation Southern Africa
The SM-EtherCAT module extends the functionality of Control Technique’s variable speed drives range, including the Unidrive SP family, providing support for realtime, high performance Ethernet communication. ...

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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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