Control method, system, equipment and medium for extracting insulating oil

The invention provides a control method, system and equipment for extracting insulating oil and a medium, and the method comprises the following steps: obtaining a first related parameter in real time, and obtaining a target rotating speed of a vacuum pump motor based on the first related parameter; obtaining the actual rotating speed of the vacuum pump motor, and obtaining rotating speed deviation and rotating speed deviation change rate based on the actual rotating speed and the target rotating speed; based on the rotating speed deviation and the rotating speed deviation change rate, a target PID parameter is obtained, and the vacuum pump motor is controlled to adjust the actual rotating speed to the target rotating speed under the target PID parameter; the target PID parameters comprise a proportional adjustment coefficient, a differential adjustment coefficient and an integral adjustment coefficient, the rotating speed of the vacuum pump motor can be adjusted in real time according to the changes of the d