During operation, operators should keep a safe distance from live equipment and wear labor protective equipment. Attention should be paid to the sequence of switch operation. For example, when power is off, each branch switch should be disconnected first, then the main switch is disconnected, and finally the four-pole double-throw knife switch is switched. When delivering electricity, the order is reversed. Normal shutdown should first unload part of the load, then disconnect the main switch, and finally shut down the diesel engine. It is not allowed to shut down the diesel engine with the main switch on, which will automatically cut off the power. After shutdown, routine inspection shall be carried out on the unit, and the operation situation shall be recorded.