| 摘要 |
A system of heating an electric locomotive cab comprises electric heaters, a fan, and switches. The system comprises temperature sensors in the cab and in the air flow around the electric heaters, the switch of modes of operation, the switch of control circuit, a time relay, mutually electrically blocked contactors of low and high power, a control unit of heating system comprising a microcontroller control unit and providing control of the system in the mode of maintaining set temperature and control efficiency of the system elements and units including those based on signals from the temperature sensors. |
