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DISCOUNTED WEBINAR RECORDING BUNDLES AVAILABLE LEARN MORE

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Webinar Recordings

Low Voltage AC VFDs and Basic Control Methods

  • January 2021
  • Number of views: 57
FREE for Members of EASA
Webinar recording

This webinar recording explains the basics of low voltage AC drive types and control methods.

Rewind Study 2020: The Results Are In

The Effect of Repair/Rewinding on Premium Efficiency/IE3 Motors

  • December 2020
  • Number of views: 519
Webinar recording

This webinar covers the results and the technical details of the recently completed follow-up to the 2003 EASA/AEMT Rewind Study.

Help Customers Save Energy & Money with Power Drive Systems

New study shows major savings potential with power drive systems on commercial pumps

  • December 2020
  • Number of views: 356
FREE for Members of EASA
Webinar recording

While adding variable speed capability in commercial buildings is not a new idea, a new analysis confirms major energy and cost savings is available by pairing those products with a power drive system (PDS) – regardless of a pump’s load variability. A PDS combines an electric motor, adjustable speed controls and sensors that provide feedback to the equipment, allowing the equipment to slow down or speed up to meet current demand. This idea and the added flexibility a PDS can provide may be even more important as we move forward in uncertain times.

Eddy-Current Clutches and Fluid Couplings

  • November 2020
  • Number of views: 511
FREE for Members of EASA
Webinar recording

This webinar recording explains how each of these devices work, with repair tips and application information for each.

Natural Frequency Testing – Bump Tests and Modal Analysis

  • October 2020
  • Number of views: 805
FREE for Members of EASA
Webinar recording

Anyone dealing with installed machinery, or even test running motors in the service center, will encounter instances where structural resonance is amplifying machine vibration. The machine may meet stringent specifications in one instance but exceed acceptable vibration levels in another. A good understanding of natural frequencies and the tests necessary to identify them will help solve these vexing situations.

Working with the No Nameplate Motor

  • September 2020
  • Number of views: 615
FREE for Members of EASA
Webinar recording

Customers will often send in a motor with no nameplate and having little knowledge of the machine’s ratings. This webinar guides attendees through the process of evaluating the machine using core size, winding data and diagnostic testing to assign reasonable ratings.

Circulating Currents in AC Stator Windings

  • August 2020
  • Number of views: 482
FREE for Members of EASA
Webinar recording

This webinar recording discusses the equalized connections found in an increasing number of factory windings, explains why they are used, and addresses whether or not they are needed when converting a concentric winding to a lap winding. Alternatives, such as changing the number of circuits, or the special extra-long jumpers, are also compared.

Pump Reliability Essentials

  • July 2020
  • Number of views: 625
FREE for Members of EASA
Webinar recording

The EASA Pump Reliability Seminar is a two-day program that describes in detail the factors related to pump reliability. This webinar introduces participants to those factors and how they come together to ensure a reliably operating pump.

Can Premium Efficient Motors Be Rewound without Degrading Efficiency?

  • June 2020
  • Number of views: 574
FREE for Members of EASA
Convention presentation

In 2003, EASA and AEMT (Association of Electrical and Mechanical Trades in the UK) issued a report that proved rewinding motors in accordance with prescribed good practices would maintain efficiency and reliability. But in recent years, claims abounded that premium efficient motors could not be rewound without degrading efficiency. This recording discusses the latest EASA/AEMT research that included independent, third-party testing.

Motor Cleaning Methods and Selection Factors

  • June 2020
  • Number of views: 859
FREE for Members of EASA
Webinar recording

Cleaning of electric motor parts is performed in every electrical apparatus service center. This begs the question of whether or not cleaning is being done productively and with minimal safety and environmental consequences.