Variable-speed drives in hospitals

ABB, variable speed drive

ABB’s guide to using variable-speed drives and motors in hospitals and healthcare centres explains how using VSDs (variable-speed drives) to control fans and pumps in HVAC systems increases the efficiency of a system by adjusting the motor speed to the correct operating point.

For example, applying a VSD to a 75 kW motor in continuous duty can save nearly £15 000 a year on a single application.

Investing in energy-efficient VSDs and high-efficiency electric motors to control HVAC systems can achieve a 20 to 60% reduction in energy use.

The guide also explains why it can be effective to replace old VSDs before they fail.

For more information on this story, click here: March 2015, 152
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