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Merits of DC technology

DC drives regenerate energy under braking without the need for complex intermediate storage or power bridges

AC drives registration service launched

Drive registration service via smart device app and online now available

Cost and time savings with drive-based functional safety

Significant advances in drive technology now allow for safety functions to be built directly into the drive which controls motor and machinery movements

Drives cut fume extraction costs at melting shop

Tata Steel’s extraction system saves £570,000 a year on energy costs with ABB variable-speed drives and high efficiency motors

High sensitivity Hall-effect latching sensor ICs

Sensor ICs are suited for applications such as commuting brushless DC motors used for medical equipment and appliances as well as for flow-rate sensing, speed and RPM sensing

What gives a motor sea legs?

Jerry Hodek looks at some of the principles and techniques that have evolved to make motors reliable at sea

New belts for energy-efficient and environmentally friendly drives

High-performance timing belts from ContiTech with carbon tensile member developed

Motors drive plunger pumps

WEG to supply six custom-made squirrel-cage motors for driving plunger pumps on offshore oil production ships in Brazil

Delivering water to region in Turkey badly hit by drought

WEG has supplied eight medium-voltage asynchronous motors, to drive the pumps that transport water to the irrigation canal

A motor control technique for all seasons

Ere Jääskeläinen outlines the benefits of direct torque control (DTC) technology

Semiconductor devices energise servos and inverters

Whether an application requires precision motion control for medical apparatus or for powering a megawatt motor, the omnipresent transistor invariably sits at the crux of it all. Boris Sedacca reports on the latest developments in power electronics for motors

The fundamental principles of stepper motors

Stepper motors are very often the best solution for positioning applications, being low cost and straightforward. But they are not a universal panacea, as Gerard Bush reports

Water cooling boosts performance and component life

Water-cooled inductive and resistive components to increase the reliability and lifetime of electric motor and drive applications

The trends that are driving electric drives

What does the future hold for electric drives in the industrial automation sector? Currently there are three trends which are dictating development – speed and ease of specification, simplified control and maintenance, and machinery safety. Here, Nigel Dawson looks at these trends

Demo shows controlled release of 5,000Nm

Having recently launched its new RDBK releasable backstop, Stieber Clutch has demonstrated its performance by developing a test rig in partnership with Bauer Gear Motor

High-efficiency motors power cave train

Train controlled by ABB variable-speed drives is helping visitors to Oman experience the wonders of a two-million year-old natural cave system, deep in the desert

Challenges and chances: solutions for the extended energy-efficiency directive

The European Commission has initiated a significant tightening of the energy-efficiency directive for electrical devices, leaving more users of drive technology faced with new challenges

‘Off-the-shelf’ variable frequency drives

Bosch Rexroth has unveiled its new series of variable frequency drives for general automation, materials handling, pumps, fans and conveyors

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