One of the basic dependable tests for DC fields and synchronous fields is the voltage drop test. This test can be performed using AC or DC voltage, but EASA’s Technical Support Team receives a lot of questions about how to interpret the results. 

Many brazing failures can be traced to a short list of preventable mistakes. Poor cleaning, improper heating, excessive joint gaps and incorrect use of flux are among the most common causes of weak or unreliable braze connections.

Muchos fallos en la soldadura fuerte se deben a una serie de errores evitables. Una limpieza deficiente, un calentamiento inadecuado, holguras excesivas en la unión y el uso incorrecto del fundente son algunas de las causas más comunes de uniones débiles o poco fiables.

This article provides practical rules of thumb for evaluating the performance and health of three-phase squirrel-cage induction motors in industrial environments. Rather than requiring detailed engineering calculations, these guidelines help maintenance professionals quickly identify operating conditions that may lead to reduced reliability, overheating, nuisance trips, or premature motor failures.

Data verification and redesign of machines with form coil windings can be done in Motor Winding Workbench with the exception of rectangular conductor and insulation dimensioning. To address this need, a Form Coil Worksheet has been added to EASA’s online calculators.

La verificación de datos y el rediseño de máquinas con bobinados en pletina (solera) se puede realizar en Motor Winding Workbench, a excepción del dimensionamiento de conductores rectangulares y del aislamiento. Para cubrir esta necesidad, se ha añadido a las calculadoras en línea de EASA una hoja de cálculo para bobinas de pletina. 

Both the core loss and hot spot temperature MUST be considered when evaluating a core prior to rewind.

Few things are less exciting in the motor world than a large synchronous motor that refuses to start—and all too often, the root cause is excitation. This article provides an overview of what synchronous motor excitation is, how it works, and the common issues you are likely to encounter.

Pocas cosas resultan menos estimulantes en el mundo de los motores que un gran motor sincrónico que se niega a arrancar; y, con demasiada frecuencia, la causa raíz reside en la excitación. Este artículo ofrece un panorama general de qué es la excitación de un motor síncrono, cómo funciona y los problemas habituales que es probable que encuentre. 

Revisit EASA's 2026 Convention & Solutions Expo by buying access to recordings of the general sessions and education events streamed from EASA's website! These recordings provide just over 32 hours of training. Downloadable PDFs of slides and technical papers are included!