H - Electricity – 02 – M
Patent
H - Electricity
02
M
H02M 1/00 (2007.10) H02J 3/38 (2006.01)
Patent
CA 2727771
It is described a converter device (102) for power conversion in e.g. a power plant (100) such as a wind turbine. The con-verter device (102) is configured for converting an electri-cal input power (106) to an electrical output power (108). The converter device (102) may be configured for receiving mechanical input power or, according to another embodiment, may be configured for receiving electrical input power. Fur-ther, the converter device (102) comprises a voltage input (118) for receiving a voltage signal (120), said voltage sig-nal (120) being indicative of a voltage in a electricity net-work to which the converter device (102) is coupled during operation in order to provide said electrical output power to said electricity network (112). Further, the converter device comprises a controller being configured for setting a reac-tive component of said electrical output power depending on said voltage signal (120) according to a out-of-band reactive current gradient if the voltage indicated by the voltage sig-nal (120) is outside a predetermined voltage band. The out--of-band reactive current gradient (150a, 150b) is defined as change of reactive current per voltage unit of a change in the voltage indicated by the voltage signal (120).
Andresen Bjoern
Wulff Steffen
Aktiengesellschaft Siemens
Smart & Biggar
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