Design And Realization Of Temperature-change Equipment

Power electronic technology is a new technology which can bring innovatory progress in power industry. And the building of the power electronic lab is precondition if we want to widely use the power electronic technology in power system. According to IEC standard,power electronic equipment also advance different request on testing condition. The building the power electronic testing equiment (such as high voltage tester,temperature tester,exceed current tester,"full state" tester)will help to speed the development of the power electronic equiment.Now the primary task to build the power electronic lab is to complete the temperature tester, Because the temperature tester play an important role in the power electronic lab. On the one hand the temperature tester can test the high voltage valve's temperature parameter, On the other hand the temperature tester can help to complete exceed current test and "full state" test. Without the temperature tester, We can not do the exceed current test and "full state" test. So the temperature tester is more important than other tow tester.In nature the temperature tester is a power supply which can supply great current and high voltage. The design principle of the power supply is relatively simple. Firstly we can change three-phase power into single-phase by a transition transformer, Then we can supply different class's great current and high voltage to the high voltage valve. The measurement and control system is the nerve centre of the temperature tester. By carefully thinking we decide to use the SIMATIC PLC and PROFIBUS field bus technology key i the measurement and control systemAt last,According to the data and chart that we get during the testing procession we can get a impersonal estimation of the temperature tester.