SINGLE-PHASE AC-DC CONVERTER

There are included a diode bridge circuit (4) formed by connecting four diodes (4a - 4d); a shunt resistor (6) provided between the diode bridge circuit (4) and an N output; a semiconductor switching element (5a) connected in parallel with the shunt resistor (6) and one (4c) of diodes of a side to w...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SAITOU, KATSUHIKO, SAKAMOTO, HIROTAKA, AMANO, KATSUYUKI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING WEAPONS
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Beschreibung
Zusammenfassung:	There are included a diode bridge circuit (4) formed by connecting four diodes (4a - 4d); a shunt resistor (6) provided between the diode bridge circuit (4) and an N output; a semiconductor switching element (5a) connected in parallel with the shunt resistor (6) and one (4c) of diodes of a side to which the shunt resistor (6) is connected; and a semiconductor switching element (5b) connected in parallel with the shunt resistor (6) and the other (4d) of diodes of a side to which the shunt resistor (6) is connected. Current detection is conducted by using the shunt resistor (6) and semiconductor switching elements (5a, 5b) are controlled. As a result, the board size is reduced and the cost is reduced.