Device for supervising a high voltage converter station

Device for supervising in a high voltage converter station

Device for the protection of a converter which converts an impre

Device in a d.c. circuit for transfer of a current from one curr

Device supplied with current of limited strength

Differential current fault protection for an AC/DC hybrid system

Digital drive system for pulse width modulated power control

Direct coupled switching power supply with GTO SCR switching ele

Direct-current converter with current limiting

Discharge lamp operating circuit using piezoelectric transformer

Disconnection detecting circuit detecting disconnection...

Dissipative clamping of an electrical circuit with a clamp...

Dissipative clamping of an electrical circuit with a clamp...

Dissipative clamping of an electrical circuit with a clamp...

Double modulation converter

Drive controller for a self-commutated converter

DV/DT limiting of inverter output voltage

dv/dt Protection circuit device for an AC-DC converter apparatus

Electric power control apparatus with first and second fixed tim

Electric power converter