ZIEHL-ABEGG’s 25 years of EC technology in ventilation sector

By admin September 22, 2014 12:25 pm IST

 25 years ago, ZIEHL-ABEGG laid the foundations for the launch of energy-saving EC motors in ventilation technology. This came as the result of Germany’s telephone exchanges changing to digital technology. The new technology required safe and reliable cooling of the operating rooms.
The call for tender by paved the way for the use of EC motors. Until then, fans in ventilation systems were driven using uncontrolled asynchronous motors. The first attempt to significantly reduce power consumption was the use of frequency converters as a control device.

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