ZERO SEQUENCE CURRENT CONTROL APPARATUS AND METHOD FOR PARALLEL POWER CONVERTERS
First Claim
Patent Images
1. A zero sequence current control apparatus of parallel power converters, comprising:
- a control and management system, including an automatic allocation device and a control device;
a plurality of modules;
a local area network, having an input terminal electrically coupled to the automatic allocation device and the control device, and an output terminal communicated with the modules;
wherein, the automatic allocation device locates a host module according to a boot registration sequence of each module, and converts other modules into slave modules, and the automatic allocation device allocates an output voltage, an output current and an output power of the host module and the slave modules.
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Abstract
A zero sequence current control apparatus and a zero sequence current control method for parallel power converters are disclosed to overcome the issue of having uniform output power for the parallel operation of a plurality of single module voltage control power converters, and an eCAN BUS acts as a communication interface for transmitting instructions, so that when each of the single module voltage control power converters is operated in the parallel operation, the effect of outputting uniform voltage, current and power can be achieved.
6 Citations
9 Claims
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1. A zero sequence current control apparatus of parallel power converters, comprising:
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a control and management system, including an automatic allocation device and a control device; a plurality of modules; a local area network, having an input terminal electrically coupled to the automatic allocation device and the control device, and an output terminal communicated with the modules; wherein, the automatic allocation device locates a host module according to a boot registration sequence of each module, and converts other modules into slave modules, and the automatic allocation device allocates an output voltage, an output current and an output power of the host module and the slave modules. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A zero sequence current control method for parallel power converters, comprising the steps of:
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initializing a control and management system; combining a first-group single module voltage control power converter into the system; registering the first-group single module voltage control power converter; operating the first-group single module voltage control power converter independently; writing numeric values of the voltage, current and power of the first-group single module voltage control power converter into the eCAN BUS; and determining whether the writing of numeric values into the eCAN BUS is completed. - View Dependent Claims (9)
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Specification