Turboset steam stop valve activity reliability test method

The invention relates to a turboset steam stop valve activity reliability test method which is technically characterized in that the turboset is connected to a power grid, four test solenoid valves are connected with the steam stop valve of the turboset, and reliability test preparation work is carried out; an activity reliability test is performed on the steam stop valve of the turboset through the four test electromagnetic valves; and statistical evaluation is performed on a test result after the reliability test is finished. The design is reasonable, original sequence valve control is changed into single valve control; therefore, the opening instructions of all the regulating valves are consistent, stable load change of the unit is guaranteed, shutdown of the unit due to overlarge loadchange amplitude and unstable unit parameters caused by opening and closing of a single valve is avoided, the risk of accidents in the test is reduced, and the working stability and the test success rate of the turboset are i