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介绍了一种基于MOTOROLA公司生产的68HC908MR16单片机的光伏正弦波逆变电源。该系统应用SPWM技术将经太阳电池阵列充电后的蓄电池电压,逆变为标准的正弦单相220V、50Hz交流电压,同时采用新型的数字式PI调节器实现稳压控制,并通过与外界键盘监控系统进行串行通信实现参数调节和系统监控。
A photovoltaic inverter based on 68HC908MR16 single chip microcomputer produced by MOTOROLA is introduced. The system uses SPWM technology to charge the solar cell array after the battery voltage inverter into a standard single-phase sinusoidal 220V, 50Hz AC voltage, while using the new digital PI regulator to achieve voltage control, and through the external keyboard monitoring The system carries on the serial communication to realize the parameter adjustment and the system monitoring.