Posts Tagged ‘variable speed drives’

Missed something? Here are March main subjects

April 10th, 2012 | Make a comment | Posted in Last month main subjects
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This month we will ask you a new question, following last month one about LV fuses.  Your answers will help us to have a better global vision and to complete our understanding of the subject. Then we will evoke some topics with no answer in the forum and finally we will introduce a Lebanese member of our community named Smorkos.

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Variable speed drives are cost effective

August 10th, 2009 | 23 Comments | Posted in Energy Efficiency - motors
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variable speed drive for pump

variable speed drives for pump

Practical case of energy efficiency:
give some data about a better exploitation of Variable Speed Drives in building maintenance and building design

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Harmonics current mitigation of electrical system

May 4th, 2009 | 12 Comments | Posted in Power quality
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When professionals want to manage an electrical system in a new installation or after retrofit or extension of an existing installation, it is important to consider the Harmonic currents emitted by the non linear loads connected to the distribution system.
The non linear loads or products producing harmonics can be as example, for industrial equipments: welding machines, battery chargers, variable speed drives for electrical motors, uninterruptible power supplies, or for office equipments or household appliances: TV sets, fluorescent lighting, light dimmers, etc…
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