POWER SUPPLY DEVICE AND POWER SUPPLY SWITCHING METHOD

A power supply device (10) includes a plurality of constant current output circuits (14) that can supply power to a load (12). The constant current output circuit (14) includes a pulse generation unit (20) that generates a pulse voltage having a pulse width corresponding to a voltage and current to...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	EMOTO, Hideaki, SHIRAE, Mitsuyuki
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 CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION THEREOF CONTROLLING CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PHYSICS REGULATING SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES SYSTEMS FOR STORING ELECTRIC ENERGY
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	A power supply device (10) includes a plurality of constant current output circuits (14) that can supply power to a load (12). The constant current output circuit (14) includes a pulse generation unit (20) that generates a pulse voltage having a pulse width corresponding to a voltage and current to be output, and a PI feedback control unit (30) that performs feedback control on the pulse voltage output from the pulse generation unit (20) so that load current reaches a prescribed value. When abnormality occurs in the constant current output circuit (14) that supplies power to the load (12) and the constant current output circuit (14) that supplies power to the load (12) is switched, a cycle of the feedback control, which is performed for the pulse generation unit (20) of the constant current output circuit (14) corresponding to a switching destination, is changed to a second cycle higher than a first cycle in the constant current output circuit (14) that is not yet switched.