| 摘要 |
PROBLEM TO BE SOLVED: To prevent a pair of switches of a power converter from being simultaneously turned on during a shift to limp home control in an electric automobile and the like.SOLUTION: A safety control device 11 temporarily stops supply of control power to a power converter 16 by performing OFF-control of a power source SW14 when a shift to limp home control is performed due to failure detection and the like, and performs switching control of control switching SW15a and 15b during the temporary stop. |
