A converter (21) to supply an AC voltage on a modulated signal output (SM) comprising two switching units (UC1, UC4) each provided with a DC voltage input (P, N) and a switching output (S1, S4) to supply pulses varying between the voltage on the input in a first switched state, and a reference voltage in a second sw...

DEVICE FOR PARALLEL CONNECTION OF A PLURALITY OF ELECTRICAL FEEDER UNITS The device for parallel connection of a plurality of electrical feeder units (2) comprises a power output socket (4), and for each feeder unit: a connector (5) equipped with a power input plug (6), and at least one power conductor (8) betwe...

ABSTRACT CONVERTER DEVICE AND UNINTERRUPTIBLE POWER SUPPLY EQUIPPED WITH SUCH A DEVICE A converter device comprising a power supply input (121, 122), rectifier means (Dl, D4), switching means (T2, T3), control means (301), and a switching aid circuit (231, 232), said switching aid circuit comprising inductive mean...

A three-level reversible converter comprising two main switching units (UC1, UC2) respectively equipped with a first and second main switch (K1, K2), a main switching point (CP), and a third main switch (K3) common to the two main switching units, characterized in that it comprises: - capacitors (CR1, CR2, CR3) c...

A converter to supply an AC voltage and current (VS, IS) from three DC voltages (-U/2, UREF, U/2) comprising two switching units (UC1, UC4) provided with first switching means (T1, T4) connected between an input and a switching output (SI, S4), said converter comprising, for each switching unit, second switching mea...

ELECTRIC POWER CONVERTER CONTROL DEVICE AND PROCESS AND CONVERTER COMPRISING SUCH A DEVICE The control device of an electric power converter comprises a control device (6) controlling turn-on of semi-conductor legs. The converter comprises a rectifier to supply a DC voltage (VDC) on intermediate lines (Ll, L2), a ...

ELECTRICAL CONVERSION DEVICE, CONVERTER AND UNINTERRUPTIBLE ELECTRIC POWER SUPPLY COMPRISING ONE SUCH DEVICE A DC voltage (Vin) conversion device (51) comprising: first conversion means (2), - transformation means (4) connected to the first conversion means, and superposition and rectifying means (52) connecte...

The control device of an electric power converter comprises a control device (6) controlling turn-on of semi-conductor legs. The converter comprises DC voltage supply lines (LI, L2), an inverter connected between said lines and outputs. The control device comprises a processing unit to supply modulation signals of ...

A multi-level converter (21 ; 51) to at least convert an AC switched voltage (VA) available on a switched voltage point (3) into at least five DC voltage levels (-U/2, -U/4, REF, U/4, U/2) available on positive and negative DC voltage lines (6-9), said converter being characterized in that it comprises two separate ...