Operation method for power supply system with parallel connected inverter and power change-over system

The inverters (14) convert the DC power supplied from solar cells (1), or fuel cells to AC power. The number of inverters is determined according to the DC and AC outputs. The inverters are parallel connected with one of the inverters controlling the remaining inverters and effecting system intercon...

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Bibliographic Details
Main Authors MADEKOJI MASAKI, MORITA KO, ONITSUKA KEIGO
Format Patent
LanguageEnglish
Published 19.01.2005
Edition7
Subjects
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
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Summary:The inverters (14) convert the DC power supplied from solar cells (1), or fuel cells to AC power. The number of inverters is determined according to the DC and AC outputs. The inverters are parallel connected with one of the inverters controlling the remaining inverters and effecting system interconnection protection. The inverters are connected to the DC source by magnet switches (18) of a latch type. The inverter output is connected to the commercial AC supply. The output voltage from the inverters is controlled by a microcomputer to be slightly above the voltage of the commercial supply.
Bibliography:Application Number: CN20001006764