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Webinar Recordings

Global Update: Motor-Driven Systems Marketplace Trends

  • January 2020
  • Number of views: 15
Webinar recording

This update addresses the global low-voltage (LV) motor and variable-speed drive (VSD) markets, with a discussion of systems efficiency. It provides market revenues and units with supporting qualitative analysis regarding changes in manufacturing, distribution, and other technological advancements.

Important Changes to the NEC Impacting Motor Service Providers

  • December 2019
  • Number of views: 299
Webinar recording

There are changes in the National Electrical Code that EASA members need to know about. View this webinar to learn:

  • The background behind these changes
  • The 2020 change impacting reconditioned motors
  • How the changes will be interpreted
  • What the changes mean for the electric motor service industry

High-Potential Testing of AC Windings

  • December 2019
  • Number of views: 267
Webinar recording

High-potential testing is routinely used to assess the ground insulation of AC stator windings in-process, after completion of a rewind and post-delivery. This webinar covers types of high-potential tests, testing standards, evaluating test results, and more.

Conexiones Externas en los Motores Eléctricos Trifásicos

En Español

  • November 2019
  • Number of views: 824
Webinar recording

La conexión incorrecta de los motores eléctricos es una causa frecuente de fallo y es más común de lo que parece. La falta de información y la mala interpretación de los datos de placa son algunas de sus causas. En este webinario se explican los diferentes tipos de conexiones para los motores eléctricos trifásicos de una o varias velocidades con al menos 6 cables de salida y se comparan las equivalencias NEMA e IEC para el marcado de cables. La información proporcionada también será de gran utilidad para evitar el conexionado incorrecto en los diferentes voltajes. También incluye las conexiones por devanado partido (Part Winding) y como interpretar la información de la conexión de la placa de datos.

Air Gap: What Is It, What Does It Do, and Why Is It Important?

  • October 2019
  • Number of views: 1216
Webinar recording

The physical air gap between the rotor or armature and the stator or field frame is complex and plays a critical role in the performance of AC and DC machines. Most repairers do not realize how little they understand about this subject.

Lean: Improve Your Shop Efficiency and Productivity

Introduction to 5S

  • January 2019
  • Number of views: 599
Webinar recording

This recording will help you get organized using the “5+1 S Series.” Learn how each “S” can help you with a path to productivity by becoming more efficient, or lean.

Motor Temperature Rise and Methods to Increase Winding Life

  • December 2018
  • Number of views: 243
Webinar recording

This webinar recording discusses:

  • Temperature rise (Method of detection, Insulation class, Enclosure, Service Factor)
  • Increasing winding life (Insulation class, Cooling system, Winding redesign)

Vertical Turbine Pump Shaft & Bearing Types, Fits and Clearance

  • November 2018
  • Number of views: 314
Webinar recording

This webinar recording covers:

  • Shaft material and specs
  • Shaft coupling types
  • Machining for shafts
  • Bronze, plastic, graphite and cutlass bearing options
  • Bearing clearance concerns and reference data 
  • Bearing housing fits

How to Construct and Operate a Temporary Bake Oven

  • October 2018
  • Number of views: 218
Webinar recording

This webinar demonstrates an easy-to-build temporary oven that can be constructed in the service center or in site.

2-Speed, 2-Winding Pole Group Connections

  • September 2018
  • Number of views: 274
Webinar recording

The topics covered included in this webinar recording:

  • One circuit wye connection — Best , no parallel paths, turns per coil may prevent this
  • Delta or multiple parallel circuits—Produces closed circuits, Circulating currents
  • Open delta (4 wire connection)
  • Permissible connections—Skip pole, adjacent pole
  • Determined by speed combination