Electronic International Standard Serial Number (EISSN)
The use of adjustable speed drives has introduced new electrical stresses in stator insulation systems. Many applications, in which the inverter and motor are placed at different locations, have led to further enhancement of these stresses and to unexpected failures within these motors. In this article, the main responsible agents in this process will be shown, and the effect of pulse rise times, inverter-motor distance, and selected speed in the creation of high voltages applied to the stator windings dielectric materials will be measured. Furthermore, the benefits of using PC-based INTERBUS protocol for remote-controlled inverters without unnecessarily increasing voltages applied to the stator winding insulation systems will be shown.