Four -quadrant unsteady flow type regenerated energy contravariant feedback device

The utility model belongs to the technical field of track traffic electric power system, a four -quadrant unsteady flow type regenerated energy contravariant feedback device is related to, its major structure includes isolation transformer, alternating current switch, output filter, 4 quadrant conve...

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Bibliographische Detailangaben
Hauptverfasser:	LAN XINZHANG, AN GANGHU, XU CHANGQIN, WU HUAJUN
Format:	Patent
Sprache:	eng
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 CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PERFORMING OPERATIONS POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	The utility model belongs to the technical field of track traffic electric power system, a four -quadrant unsteady flow type regenerated energy contravariant feedback device is related to, its major structure includes isolation transformer, alternating current switch, output filter, 4 quadrant convetor, input filter, precharge module and wire, isolation transformer, alternating current switch, output filter, 4 quadrant convetor and input filter serial -type telecommunications breath in proper order connect, and single isolation transformer, alternating current switch, output filter, 4 quadrant convetor and input filter constitute four -quadrant unsteady flow type regenerated energy contravariant feedback device's elementary cell, and the electric energy capacity of elementary cell is adjusted to different numerical value according to alternating current switch 0, and the quantity of elementary cell is set for according to the demand, the device installation, maintenance, extension convenience, the independence of each part is strong, and certain unit module trouble does not influence entire system, can coexist the A variety of control mode, and the arithmetic speed has improved many times, and PWM makes more accurately and quick.