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Unbalance compensation by optimally redistributing current

A method and system is described to determine unbalance compensating currents to be injected or consumed by a three-phase converter by current redistribution. First load- current is decomposed to outputs of at least negative- and zero-sequence components (I neg and I ze r), followed by determining a positive-sequence component (l pos,inv,i ) as a function of active power (P), reactive power (Q) and positive-sequence voltage (U), and determining a phase current, to be injected per phase and a neutral current.
Octrooi-publicatienummer: WO2019129729
Bron: WIPO
Jaar aanvraag: 2018
Jaar van publicatie: 2019
Status: Requested
Technologiedomeinen: Electrical machinery, Measurement, Control
Gevalideerd voor IOF-sleutel: Ja