Thomas Schwinn

FREQUENCY CONVERTER WITH DC LINK CAPACITOR AND METHOD FOR PRE-CHARGING THE DC LINK CAPACITOR

Switch assembly for providing excess voltage protection and method for operating same

AC motor voltage supply is provided by circuit that reduces symmetrical and asymmetrical voltage components

Method for reducing leakage current between rectifier and protective conductor of network, involves superimposing rectified alternating current (AC) with balancing current, such that expected harmonic is partially extinguished

Frequency inverter with excess voltage protection and method for operating same

Frequency inverter and method for operating same

Method for regulating a self-commutated mains power converter of an intermediate voltage circuit converter

Voltage converter circuit uses SiC Schottky diodes as power diodes to provide attenuation of oscillations

Frequency inverter with excess voltage protection for an emergency shutdown and method for operating the same

Frequency inverter with common mode choke and method for operating same