H - Electricity – 02 – M
Patent
H - Electricity
02
M
H02M 3/24 (2006.01) H02P 7/29 (2006.01)
Patent
CA 2514863
A DC/DC bridge for controlling a direct-current load (M1), said bridge being provided with controllable semiconductor switch units (S21-S26) and having two bridge sections (B11, B12), one (B12) of which bridge sections conducts direct current while the other one (B11) is controlled via pulse-width modulation (PWM) to regulate the current magnitude, where the DC/DC bridge (B1) consists of three bridge arms, two (B111, B112) of which arms are connected in parallel, and where the semiconductor switches in the parallel-connected bridge arms are controlled via PWM to form a PWM-controlled bridge section.
Cette invention concerne une passerelle CC/CC servant à commander une charge de courant continu (M1), qui est pourvue d'unités commutateurs à semi-conducteur réglables (S21 S26) et comportant deux sections de passerelle (B11, B12), dont l'une (B12) conduit du courant continu, alors que l'autre (B11) est commandée par modulation en largeur d'impulsion (PWM), pour régler l'amplitude du courant. Cette passerelle CC/CC (B1) est composée de trois branches, dont deux (B111, B112) sont connectées en parallèle, les commutateurs à semi-conducteur de ces branches connectées en parallèle étant commandés par PWM, afin de former une section de passerelle commandée par PWM.
Jahkonen Pekka
Putkinen Esa
Kone Corporation
Robic
LandOfFree
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