초록 ▼

A method and apparatus for producing any desired m-phase, n-th order electrical system in a converter-fed device, in which an n-th order voltage system is formed in such a manner that a determined stationary voltage vector, which is related to the n-th order electrical system, is transformed from a

A method and apparatus for producing any desired m-phase, n-th order electrical system in a converter-fed device, in which an n-th order voltage system is formed in such a manner that a determined stationary voltage vector, which is related to the n-th order electrical system, is transformed from a reference system rotating at n-times the fundamental frequency into a fixed reference system, and up to m voltage pilot control signals are produced from these rotating voltage vectors. Using this method, any desired n-th order electrical system can be impressed on, or suppressed in, phase currents of a converter-fed device.

대표청구항 ▼

[ What is claimed is:] [6.] An apparatus for producing an m-phase/n-th order electrical system, comprising:a coordinate converter;an m-phase positive phase-sequence system forming a first n-th order voltage system and including a first transformation device being coupled to an output of the coordina

[ What is claimed is:] [6.] An apparatus for producing an m-phase/n-th order electrical system, comprising:a coordinate converter;an m-phase positive phase-sequence system forming a first n-th order voltage system and including a first transformation device being coupled to an output of the coordinate converter;an m-phase negative phase-sequence system forming a second n-th order voltage system and including a second transformation device being coupled to the output of the coordinate converter;a zero phase-sequence system forming a third n-th order voltage system and including a third transformation device being coupled to the output of the coordinate converter,wherein each of the first, second and third n-th order voltage systems includes a stationary voltage vector corresponding to an n-th order current component of a respective one of the phase-sequence systems, the stationary voltage vector being transformed from a reference system into a fixed reference system, the reference system rotating at n-times a fundamental frequency,wherein each of the n-th order voltage systems are converted into m voltage pilot control signals, the pilot control signals being used for a pilot control of manipulated variables.