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The electronic switching converters used to supply squirrel cage motors can cause, during the normal operation, some critical problems leading to the early failure of the stator winding insulation. In fact if the electrical motors are supplied by switching electronic converters, the stator insulating system is subjected to voltage waveform having high frequency content (e.g. PWM); this kind of voltage...
The adoption of switching electronic converters for squirrel cage motor drives can lead to some critical issues during the normal operation. The early failure of the stator winding insulation is one of the most investigated problems. The cost of motor failure is measured by interruption of plant output as well as extent of repair or replacement. The Surge Test is one of the most important tests for...
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