Device and method for improving reliability of remote control output

The invention discloses a device and method for improving reliability of remote control output. The method comprises the following steps: receiving a selection message and an execution message, wherein the selection message and the execution message are stored in mutually independent storage spaces, the selection message is used for indicating operation of a selection task, the execution message is used for indicating operation of an execution task, the selection task is used for driving a starting loop power supply, the execution task is used for driving actual remote control output, and the remote control output is remote control output of a measurement and control device in a transformer substation system for an object; operating the selection task and the execution task, and mutually independent operation spaces are allocated to the selection task and the execution task; enabling a preset time sequence to meet in the task selection and execution operation processes; and controlling the selection task and