Patent ID: 8558409
Filing Date: 2013-10-15
Classification: H02H

Abstract:
1. A wind turbine facility power supplying arrangement for supplying electrical power to a power supply of a switchgear, said switchgear being able to isolate the wind turbine facility from an electrical network, the wind turbine facility power supplying arrangement comprising: a first electrical power supply path configured to provide electrical power to the power supply of the switchgear; a first power switch configured to break said first electrical power supply path; at least one parallel electrical power supply path configured to provide electrical power to the power supply of the switchgear and further configured to be breakable by at least one respective parallel power switch; and a plurality of control switches, wherein each control switch is configured to be open when a respective one of the power switch and parallel power switch is open and closed when a respective one of the power switch and parallel power switch is closed.