Thermal stability test system, method and equipment for variable-speed pumped storage engine

The invention discloses a thermal stability testing system, method and equipment for a variable-speed pumped storage engine, and relates to the technical field of engine testing. The system comprises a temperature measuring point sensor and a processor, the temperature measuring point sensor is arranged to be in contact with at least one thermal stability testing part of the variable-speed pumped storage engine and is used for detecting the operating temperature of the thermal stability testing part at different set rotating speeds, and the thermal stability testing part comprises a winding part and a bearing bush part; the processor is used for determining a thermal stable state coefficient of the winding part according to the operating temperatures of the winding part at different set rotating speeds, and determining a thermal stable state coefficient of the bearing bush part according to the operating temperatures of the bearing bush part at different set rotating speeds; the thermal stability of the varia