Design of Surge Generator Based on 51 Single Chip Microcomputer
Abstract
This paper focuses on designing and implementing a surge generator using 51 microcontrollers to enhance power grid quality
management. Following IEC61000-4-5/GB17626.5, MULTISIM simulates circuit parameters, while MATLAB solves differential equations via Laplace transform for verification. The AC/DC circuit employs the UC3875 phase-shifting chip, controlling outputs and switching voltage dividers via microcontroller to produce surge voltages. The resulting waveforms, displayed on an oscilloscope, match standard
parameters. The generator can produce 1.2/50 open-circuit voltage waves and 8/20 short-circuit current waves, meeting requirements for
surge immunity testing.
management. Following IEC61000-4-5/GB17626.5, MULTISIM simulates circuit parameters, while MATLAB solves differential equations via Laplace transform for verification. The AC/DC circuit employs the UC3875 phase-shifting chip, controlling outputs and switching voltage dividers via microcontroller to produce surge voltages. The resulting waveforms, displayed on an oscilloscope, match standard
parameters. The generator can produce 1.2/50 open-circuit voltage waves and 8/20 short-circuit current waves, meeting requirements for
surge immunity testing.
Keywords
51 Microcontroller; Surge generator design; Circuit design
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