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Webinar Recordings

Conexiones Externas en los Motores Eléctricos Trifásicos

En Español

  • November 2019
  • Number of views: 311
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: 403
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: 172
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: 86
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: 121
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: 71
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: 78
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

AC Motor Assembly and Testing

  • August 2018
  • Number of views: 84
Webinar recording

This webinar recording focuses on:

  • Motor assembly issues
  • Electrical and mechanical inspection
  • Static and run testing
  • AC motors with ball, roller and sleeve bearings

ANSI's New Shaft Alignment Standard

  • July 2018
  • Number of views: 81
Webinar recording

This webinar introduces you to ANSI's new shaft alignment standard.
Topics covered include:

  • A discussion of alignment Quality grades, AL 1.2, AL 2.2, AL 4.5
  • Shaft alignment tolerances
  • Issues affecting measurements
  • Conditions affecting alignment stability

Wire Size Changes 101: Tools and Methods for Avoiding Costly Mistakes with the Most Common Redesign

  • June 2018
  • Number of views: 62
Webinar recording

This webinar focuses on:

  • Proper wire measurements
  • Metric and AWG sizing
  • Aluminum to copper
  • Random to form wound and vice versa
  • Stator windings, field windings, interpoles
  • Using wire combination tables
  • Using EASA’s AC Motor Verification & Redesign software