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Power adapter test instrument
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| Electronic load: Electronic load is a device that consumes electrical energy by controlling the internal power (MOSFET) or the flux (duty cycle) of the transistor and relying on the dissipated power of the power tube. It can accurately detect the load voltage, accurately adjust the load current, at the same time can realize the simulated load short circuit, the simulated load is inductive resistance and capacitance, capacitance load current rise time. The debugging and testing of general switching power supply is indispensable. | |
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| Voltage tester: according to its role can be called electrical insulation strength tester, dielectric strength tester, etc. Its working principle is: a higher than normal working voltage is added to the insulation of the equipment to be measured, lasting a specified period of time, the voltage added above will only produce a very small leakage current, insulation is better. Programmed power module, signal acquisition and conditioning module and computer control system composed of three modules of the test system. | |
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Power comprehensive test instrument: the traditional power automatic test system uses GPIB card to control several traditional instruments to complete the automatic test function. The whole system is limited by the traditional instrument function, not easy to expand, it is difficult to meet the new test requirements brought by product upgrade; Due to the limitation of GPIB bus speed, it is difficult to realize parallel testing and improve the testing speed. Limited by the closed application software, it is difficult to carry out system maintenance and secondary development. In addition, the hardware cost of the whole system is very high and the development cycle is very long. In order to shorten the development cycle, reduce the system cost, improve the test efficiency, and meet the increasingly updated test requirements, the software as the core of the modular system architecture redesigned the entire automated test system, and successfully implemented the system. | |
