The duty ratio range of a duty signal DCN transmitted from a high-voltage load controller 12 to a field current controller 103 is divided into several subranges, which are assigned to zones, such as a normal voltage control zone, high-voltage control zone, and power generation stop and failure signal...http://www.google.fr/patents/US5646599?utm_source=gb-gplus-shareBrevet US5646599 - Failure warning system of electric power unit in vehicle
Failure warning system of electric power unit in vehicle
