A wind turbine fault detection circuit 200 and method is disclosed herein. In a described embodiment, the wind turbine fault detection circuit 200 comprises a magnetometer in the form of a hall-effect sensor 202 coupled between a power converter 108 and a ground element 204 of the power converter 108 and configured to measure a ground current from the power converter to obtain a real ground current Ig; and a comparator 206 configured to determine presence of a fault based on the real ground current Ig.
申请公布号
WO2012097825(A1)
申请公布日期
2012.07.26
申请号
WO2012DK50023
申请日期
2012.01.20
申请人
VESTAS WIND SYSTEMS A/S;LUO, XUE WEN;TUMABCAO, MICHAEL CASEM;PARKHOU, MASOUD
发明人
LUO, XUE WEN;TUMABCAO, MICHAEL CASEM;PARKHOU, MASOUD