Reclosure: How It Happens and What To Do About It
  • Category: Webinar Recording
  • Presenter: Jim Bryan, EASA Technical Support Specialist
  • Recording duration: 45 minutes
  • Language: English

This product is available as a download


Reclosure occurs when power to a motor is briefly interrupted and restored before the magnetic field has fully collapsed in the motor’s winding. If this occurs while the applied power is out of phase with the collapsing field, significant damage can result. This session will address how this can happen and what measures can mitigate damage potential.

Topics covered include:
• Reclosing a switch or breaker before the magnetic field collapses
• Utilities’ automatic reclosure
• Contactor “chatter”
• Determining the time constraint
• Remedies: Time delay; Zero crossing

System requirements
• A web browser
• Adobe Flash Player (Download it for free from https://get.adobe.com/flashplayer)
• Adobe Reader (For viewing and printing the included handout. Download it for free from https://get.adobe.com/reader)

Pricing
Downloadable version ... $89 for members, $199 for nonmembers
CD-ROM version ... $109 for members, $219 for nonmembers
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No refunds or exchanges after 90 days. No refunds on software products, including webinar recording downloads; exchanges only on such products determined by EASA to be defective. All items and prices are subject to change without prior notice.

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Phone: +1 314 993 2220
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