IDENTIFICATION OF LCL FILTER PARAMETERS

Jussi Koppinen (Keksijä), Jarno Kukkola (Keksijä), Marko Hinkkanen (Keksijä)

Tutkimustuotos: PatenttiPatent

Abstrakti

A model-based method of estimating physical parameters of a LCL filter connected between a converter and electrical power network and a converter. The method comprising forming an analytical discrete-time model of the LCL filter and the converter, forming a discrete-time pulse-transfer function of the analytical discrete-time model having discrete time parameters, injecting a voltage signal superimposed on the reference voltage to the converter, determining output current of the converter, based on the injected voltage signal and output current of the converter, estimating the discrete-time parameters, and based on the estimated discrete-time parameters solving the estimated physical parameters using the analytical discrete-time model.

AlkuperäiskieliEnglanti
PatenttinumeroEP3096429
IPCH02J 3/ 01 A I
Prioriteetti päiväys22/05/2015
TilaJulkaistu - 23 marrask. 2016
OKM-julkaisutyyppiH1 Myönnetyt patentit

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