DocumentCode :
3163907
Title :
Determining current sharing criterion for parallel operation of power converters in multi-module bus systems
Author :
Bocek, Joe ; Liu, Chen-Ching
Author_Institution :
ELDEC Corp., Seattle, WA, USA
fYear :
1990
fDate :
0-0 1990
Firstpage :
870
Lastpage :
879
Abstract :
A DC model for a computer backplane power distribution system with multiple sources and loads is proposed. Criteria are derived to determine the allowable range of variation in DC output voltage for a power module operating in a multiple-source, multiple-load system with a backplane interconnect. These criteria impose constraints on output voltage as a consequence of load voltage specifications, and of current-sharing accuracy required of the sources. An algorithm for implementing the solution of these criteria is presented. Computational results for two examples of power distribution systems using this algorithm are presented. The advantage of the system model is that a complete description is provided for a generalized power bus system, which may include ground and power planes of arbitrary geometry. The advantages of the algorithm are that the constraints determined for source voltage are valid under all combinations of load variation and source voltage variation.<>
Keywords :
distribution networks; power convertors; power systems; DC model; computer backplane power distribution system; current sharing criterion; load voltage specifications; multi-module bus systems; multiple-load system; multiple-source system; parallel operation; power converters; power distribution systems; Backplanes; Distributed computing; Geometry; Load management; Multichip modules; Power distribution; Power system interconnection; Power system modeling; Solid modeling; Voltage;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Power Electronics Specialists Conference, 1990. PESC '90 Record., 21st Annual IEEE
Conference_Location :
San Antonio, TX, USA
Type :
conf
DOI :
10.1109/PESC.1990.131280
Filename :
131280
Link To Document :
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