LOW VOLTAGE AND MEDIUM VOLTAGE VARIABLE FREQUENCY DRIVES FOR THE CONTROL OF INDUCTION AND SYNCHRONOUS MOTORS; DIRECT CURRENT DRIVES FOR THE CONTROL OF DC MOTORS; ELECTRICAL POWER SUPPLIES AND ELECTRICAL POWER CONTROL SYSTEMS COMPRISED OF ELECTRICAL TRANSFORMERS, POWER SEMICONDUCTORS, DC AND AC POWER CONVERTERS, AND CONTROL CIRCUITRY FOR THE CONTROL OF STATIC INDUSTRIAL PROCESS APPLICATIONS; APPLICATION SOFTWARE FOR THE CONTROL OF VARIABLE FREQUENCY AND DIRECT CURRENT DRIVES IN INDUSTRIAL APPL...

INDUCTION AND DIRECT CURRENT MOTORS, SYNCHRONOUS MOTORS AND ELECTRICAL GENERATORS FOR POWERING OF INDUSTRIAL MACHINERY

electronic machine controllers, namely, perfect harmony medium voltage variable frequency drives, clean power low voltage variable frequency drives and 454GT low voltage variable frequency drives

electronic machine controllers, namely, perfect harmony medium voltage variable frequency drives, clean power low voltage variable frequency drives and 454GT low voltage variable frequency drives