Comparing notes on energy-efficient drives

By Hans De Keulenaer / Published on Fri, 2007-11-30 11:00
Date: 
Wednesday, December 5, 2007 - 14:00
Duration / timezone: 

1 hour / Europe Standard Time (Brussels, Paris, ...)

Content: 

In this new highly interactive seminar format, the content will depend on your contribution. No long presentations will be made, but each participant is invited to share a few stories, and a few slides on personal experiences with energy-efficient drives in the field.

The scope of the discussion is experience with energy efficient drive systems. We all know that we can typically save 30% of electricity consumption, earning a payback on capital invested in a few years. Yet many practical hurdles stop energy efficiency from happening. The discussion webinar aims for an exchange of experience from practitioners on improving energy efficiency in motor-driven systems operating in industrial installations.

How the seminar works:

  1. Access the webinar through the usual procedure: enroll using the url mentioned below, and you will receive an e-mail with access instructions
  2. To prepare for the event, think about a practical example to share & discuss. We aim to cover several cases during the hour, so depending on the complexity of a case, we can allocate 5 to 15 minutes.
  3. You can share a few slides (or any other electronic document type) during the event, or send them to me for uploading into the webinar prior to the event (my e-mail will be in the confirmation e-mail after registration).

We look forward to welcoming you in this new seminar format.

Contact me in case of questions.

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Comments

a large remaining potential for drives

By Hans De Keulenaer / Published on Mon, 2007-12-10 13:29

The most important points discussed during this webinar:

  • Attitudes of large corporate buyers in Germany are becoming more favourable for high efficiency motors. Some of these, e.g. in the automotive sector, have entered Eff1 motors in their procurement specifications as a policy. In general, industry is more receptive towards energysaving solutions.
  • Despite strong market growth over the past years, a great potential for variable speed drives (VSDs) remains. Penetration of their use in specific sectors is still very low, as found in the EuP study on motors.
  • It is often stated that the energy saving potential of VSDs is much larger than for motors. But the cost of VSDs is also much higher than an efficiency upgrade for a motor. In practice, both solutions have similar paybacks, and therefore can be pursued at the same time.
  • Motors with VSDs have demonstrated to be very effective in pumping or compressed air applications. Even here, there is ample room for further optimisation through more precise control of drives. Such control requires a degree of expertsie which will usually not be available in industrial operations. But machinery builders, or operators of large motor populations with similar load profiles may conduct a study to automate such control through software.

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