Control device for step-up converter

A control device for a step-up converter which controls the step-up converter connected between a load and a DC power source, the control device includes a voltage control unit, a current command generation unit, a duty estimator, and a pole zero cancellation control unit. The voltage control unit p...

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Bibliographische Detailangaben
1. Verfasser:	Suzuki, Takami
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
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Beschreibung
Zusammenfassung:	A control device for a step-up converter which controls the step-up converter connected between a load and a DC power source, the control device includes a voltage control unit, a current command generation unit, a duty estimator, and a pole zero cancellation control unit. The voltage control unit performs a control arithmetic operation on the basis of a calculated value, obtained by performing a proportional arithmetic operation and an integration arithmetic operation on a difference between a voltage value on the load side and a voltage command value, and a value generated by the pole zero cancellation control unit. The current command generation unit generates a reactor current command value on the basis of an arithmetic result of the voltage control unit and a reciprocal of a duty estimation value.