POWER CONVERTER

PROBLEM TO BE SOLVED: To provide a power converter, which for higher harmonics suppression, has excellent compensating characteristic by shifting to a desired phase for the control of an inverter part, and which for reactive power control, cope with sudden changes in a load and voltage by controllin...

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Bibliographische Detailangaben
Hauptverfasser:	TATSUMI HIROTOSHI, YAMAMOTO SHOICHI
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 CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION SYSTEMS FOR STORING ELECTRIC ENERGY TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a power converter, which for higher harmonics suppression, has excellent compensating characteristic by shifting to a desired phase for the control of an inverter part, and which for reactive power control, cope with sudden changes in a load and voltage by controlling an inverter part in real time. SOLUTION: A control circuit 30 is composed of target value computing means 35, 36 which compute a target value to be supplied to an inverter part, a feedback controlling means 33 conducting feedback control based on the target value computed by the target value computing means 35, 36, time lag means 55, 56 giving a time lag between the target value computing means 35, 36 and the feedback controlling means 33, and selecting means 51, 52 selecting use or no use of the time lag means 55, 56.