CAPIEL details the importance of a system approach to energy saving

Posted by AuCom on 19/01/15 11:22

CAPIEL have released their new position paper which details the importance of a system approach to energy saving: Ecodesign Requirements for Electric Motors - Towards a System-Approach

The brochure discusses the value of matching the motor and control method to the actual application needs, and provides some interesting statistics regarding energy usage and the application of electric motors.

Notably, CAPIEL point out that 80% of electric motor applications are in reality fixed speed applications, and assert that “motor starters are the most energy-efficient solution for fixed-speed applications”.  Mistakenly using VSD control with fixed speed applications will increase energy usage. In fact, a “VSD if incorrectly fitted can result in an energy efficiency loss equivalent to twice the potential gain from IE2 to IE3”.

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Topics: Soft Start Control, System Design, Energy Efficiency

Don’t let energy efficiency legislation cost you money!

Posted by AuCom on 18/11/14 14:59

There is a significant global effort underway to reduce energy consumption in industry by improving energy efficiency, specifically the efficiency of electric motor systems. 

The initial focus was on the efficiency of individual elements, e.g. the motor, which resulted in the IE efficiency classes for motors - IE2, IE3 etc. It is now understood that greater efficiency gains are available by considering the wider motor driven system.

In Europe, Regulation EC 640/2009 is in force, requiring specific types of motors from 0.75 kW to 375 kW to meet certain IE classes.  (Additional motor types and sizes are considered by a new regulation presently in development.)

There is often confusion about what the European legislation requires.

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Topics: System Design, Energy Efficiency

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