Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Fumitaka Toyomura0
Nobuyoshi Takehara0
Date of Patent
June 8, 2010
Patent Application Number
09963569
Date Filed
September 27, 2001
Patent Citations Received
Patent Primary Examiner
Patent abstract
AC module makers must prepare two types of AC modules for the 100-V and 200-V outputs only for domestic supply. For foreign countries, the makers must manufacture AC modules compatible with more system voltages. To solve these problems, the control circuit of an AC module controls the operation of an inverter circuit and/or the transformation ratio of a transforming circuit, and ON/OFF-controls a switch on the basis of the system voltage and connection state of an electric power system.
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