Active filter for reducing non-fundamental currents and voltages
Active filter unit
Active harmonic filter and power factor corrector
Active harmonic filter with time domain analysis
Active interphase reactor for 12-pulse rectifier
Active power line conditioner with synchronous transformation co
Alternating-current filter circuit arrangement
Amplifying circuit, noise reducing apparatus and power...
Apparatus and method for adaptively canceling harmonic currents
Arrangement for frequency-selective suppression of high...
Arrangement for suppressing high frequency currents in bearings
Arrangement for suppressing high frequency currents in bearings