POWER CONVERTER CONTROL DEVICE

PROBLEM TO BE SOLVED: To provide a power converter control device allowing for suppression of a pulsating component in a DC voltage.SOLUTION: A power converter converts a DC voltage Vdc including a pulsating component Vdch to an AC voltage, and outputs the AC voltage to a synchronous motor. The powe...

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Bibliographische Detailangaben
Hauptverfasser:	YASUMOTO TATSUSHI, KITANO NOBUKI, KITO MINORU, KOBAYASHI NAOTO
Format:	Patent
Sprache:	eng ; jpn
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 OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROL OR REGULATION THEREOF CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a power converter control device allowing for suppression of a pulsating component in a DC voltage.SOLUTION: A power converter converts a DC voltage Vdc including a pulsating component Vdch to an AC voltage, and outputs the AC voltage to a synchronous motor. The power converter control device comprises: a pulsating component detection part 6; and a control circuit 3. The pulsating component detection part 6 detects the pulsating component Vdch. The control circuit 3 controls the power converter to increase a load angle of the synchronous motor in accordance with an increase in an instantaneous value of the pulsating component Vdch.SELECTED DRAWING: Figure 4 【課題】直流電圧の脈動成分を抑制できる電力変換器の制御装置を提供する。【解決手段】電力変換器は、脈動成分Ｖｄｃｈを含む直流電圧Ｖｄｃを交流電圧に変換して、当該交流電圧を同期電動機に出力する。電力変換器を制御する制御装置は、脈動成分検出部６と、制御回路３とを備える。脈動成分検出部６は、脈動成分Ｖｄｃｈを検出する。制御回路３は、電力変換器を制御して、同期電動機の負荷角を、脈動成分Ｖｄｃｈの瞬時値の増大に応じて増大させる。【選択図】図４