Electric power conversion systems – Current conversion – Having plural converters for single conversion
Patent
1996-04-16
1997-12-02
Hecker, Stuart N.
Electric power conversion systems
Current conversion
Having plural converters for single conversion
361330, H02M 700
Patent
active
056943091
ABSTRACT:
A power conversion array delivers power to a load. The array includes at least four power converters, each of the power converters comprising an output power port for connection to the load and a synchronization port for passing synchronization information. A synchronization medium connected to the synchronization ports of the converters carries the synchronization information among the converters. The synchronization medium defines paths among the synchronization ports such that every synchronization port is connected to every other synchronization port by at least one path that does not include a connection to the synchronization port of any of the other converters. In another aspect, in arrays which include at least three power converters, the synchronizing medium conveys synchronizing information via impedance elements connected to the synchronization ports by coupling conductors, and the path between any pair of coupling conductors includes exactly two impedance elements. In another aspect, an integral assembly includes impedance devices, each of which is formed by an element that is specific to that device and a common element that is shared by the devices, and a mechanism (e.g., insulation) that prevents exposure of the common element to the environment.
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Prager Jay
Vinciarelli Patrizio
Hecker Stuart N.
VLT Corporation
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