Webinar Recordings - EASA | The Electro•Mechanical Authority
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Webinar Recordings

Variable Speed Drive for Pump Testing

  • November 2025
  • Number of views: 406
Article

Equipping a pump test facility for variable speed operation can provide greater flexibility and expand opportunities to evaluate pump performance.

Variador de velocidad para pruebas de bombas

  • November 2025
  • Number of views: 89
Article

Emplear velocidad variable durante las pruebas puede brindar mayor flexibilidad y ampliar las oportunidades para evaluar el rendimiento de las bombas.

Filtering High-Frequency Pulse Width Modulation Effects in Electric Motors: From Problem to Solution

  • November 2025
  • Number of views: 425
Article

While highly effective for control, pulse width modulation introduces high-frequency transients that can compromise motor reliability if left unchecked.

Filtrado de los efectos de modulación de ancho de pulso de alta frecuencia en motores eléctricos: Del problema a la solución

  • November 2025
  • Number of views: 69
Article

Si bien es muy eficaz para el control, la PWM introduce transitorios de alta frecuencia que, si no se controlan, pueden comprometer la confiabilidad del motor.

Rebobinando Motores Trifásicos Inverter Duty

  • October 2025
  • Number of views: 787
FREE for Members of EASA
Webinar recording

Este webinario cubrirá los fallos asociados con los motores trifásicos accionados con variadores electrónicos de frecuencia (VFDs) y como rebobinarlos, rebajando las posibilidades de fallos futuros.

Common VFD and Motor Driven System Misapplications

  • July 2023
  • Number of views: 5575
FREE for Members of EASA
Webinar recording

Variable frequency drives (VFDs) are more common than ever before.  Sometimes when a VFD is introduced into a motor driven system, system reliability suffers. This recording addresses some of the common factors that reduce motor driven system reliability and how to correct them.   

EASA Technical Manual

  • September 2022
  • Number of views: 35421
FREE for Members of EASA
Book

Revised September 2022!
EASA's most comprehensive technical document is available FREE to EASA members. Download the complete manual or just the sections you're interested in.

Managing Voltage Stress for VFD Applications on IEC Motors

  • June 2022
  • Number of views: 8474
Article

In today’s global economy, it is quite possible to get electric motors from all over the world. Most electric motors that are 500 hp (373 kW) or less will conform to one of two basic manufacturing standards; NEMA or IEC. The intent of this article is to focus on IEC standards for managing voltage stress in VFD applications as it pertains to the motor’s windings.

Manejando los Esfuerzos de Voltaje en Aplicaciones VFD con Motores IEC

  • June 2022
  • Number of views: 6365
Article

En la economía global actual, es posible adquirir motores eléctricos fabricados en todo el mundo. La mayoría de los motores eléctricos de 500 HP (373 kW) o menos se ajustarán a una de las dos normas básicas de fabricación; NEMA o IEC. La intención de este artículo es centrarse en las normas IEC para gestionar la sobre tensión en aplicaciones con VFD en lo que respecta a los devanados del motor.

Accessorizing Your VFD for Proper Operation and Power Quality

  • July 2021
  • Number of views: 10362
FREE for Members of EASA
Webinar recording

This webinar goes through the basics of what accessories may be needed for proper VFD control and power quality add-ons to improve motor driven system reliability.