Method and apparatus for current regulating in a...

Details Method and apparatus for current regulating in a... Method and apparatus for current regulating in a...

H - Electricity

02

P

H02P 21/00 (2006.01) H02M 7/5387 (2006.01) H02P 5/17 (1990.01)

Patent

CA 2127728

Abstract of the Invention The present invention provides a current regulating method and associated apparatus for a voltage-injecting converter, wherein a flux-producing current component and a torque-producing current component of an actual current vector are regulated to corresponding components of a required current vector, whereby a precontrol variable is superposed on each controller manipulated variable. According to the invention, the torque-producing controller manipulated variable acts on the flux-producing controller manipulated variable with delay as a fashion of a frequency variable, thereby providing a current regulating method which combines the advantages of two-component current regulation and active current regulation. This dual-action current regulation advantageously operates without requiring a structural switch between the two forms of current regulation.

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