The reliability test of the electrical accessories of the gas turbine requires the functional test of the pressure annuncaitor.Due to the long reliability test time,the sample is installed in the three comprehensive test box throughout the whole process,in order to realize the operating pressure and static overload test of the presssure signal device,this paper designs a pressure signal device test system,which simplifies the test steps,improve the test effciency in the test,and provides a reference method for the functional performance test in the gas tuebine reliability test.
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