3-Phase converter apparatus
Patent 5182463 Issued on January 26, 1993. Estimated Expiration Date: 
June 26, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 26, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesSwitching regulator power supply Power source device for a load with a stand-by power supply system Apparatus for generating a symmetrical three-phase voltage system with a neutral wire capable of carrying current Controller for instantaneous output current and/or voltage of 3-phase converter Voltage-phase responsive, inverter disable circuit for system interconnection Patent #: 4878208 InventorsApplicationNo. 543478 filed on 06/26/1990US Classes:307/46, Storage battery or accumulator-type source307/56, Diverse-or unlike-type sources363/95, For inverter363/98For bridge-type inverterExaminersPrimary: Pellinen, A. D.Assistant: Elms, Richard Attorney, Agent or FirmInternational ClassesH02J 003/32H02M 003/24 Foreign Application Priority Data1989-06-29 JPAbstractA 3-phase converter apparatus, in which a 3-phase A.C. power supply and a 3-phase converter operate in parallel on a common load BUS so as to share the load power, has an output voltage command generating device for generating an instantaneous command of the output voltage from the converter, and instantaneous voltage control device for controlling the converter so as to reduce the deviation of the instantaneous value of the output voltage of the converter from the instantaneous command generated by the output voltage command generating device. The converter includes at least one semiconductor switch for effecting a plurality of switching cycles in a half cycle of the A.C. power, so that the control of the phase of the output voltage of the converter with respect to the A.C. power supply is started at any moment.Other References
Field of SearchWith intervening converterStorage battery or accumulator-type source One source floats across or compensates for other source Storage battery or accumulator-type source Load current control Fixed or predetermined ratio Diverse-or unlike-type sources Substitute or emergency source Plural substitute sources Storage battery or accumulator Connecting or disconnecting Condition responsive Attainment of voltage, frequency or phase relationship Electrical Power or energy Polarity, phase sequence or reverse flow For inverter For bridge-type inverter | |
