POWER SUPPLY DEVICE

PURPOSE:To hold voltage impressed to both the ends of a load at a fixed level at the time of parallel operation and to suppress the drop of the voltage at the time of interrupting an output from a power supply body. CONSTITUTION:Voltage Vo impressed to both the ends of the load 3 is detected by a vo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BANBA SHIGEKI, ISA MASAAKI
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 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
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Beschreibung
Zusammenfassung:	PURPOSE:To hold voltage impressed to both the ends of a load at a fixed level at the time of parallel operation and to suppress the drop of the voltage at the time of interrupting an output from a power supply body. CONSTITUTION:Voltage Vo impressed to both the ends of the load 3 is detected by a voltage detecting circuit 6. Variable command voltage Vr is impressed from a voltage correcting circuit 8 to the power supply body 1 based upon the detected result. When the voltage Vo is dropped, the voltage Vr matched with the drop of the voltage Vo is superposed to the reference voltage of a 1st error amplifier 13. Thereby the body 1 having low output voltage V1 is waited in a no-load state. Even when another power supply body stops operating, the dropped level of the ouput voltage V1 is immediately compensated. Consequently the voltage Vo of the load 3 can be stabilized.