Digit photovoltaic?inverter and sampling system thereof

The utility model discloses a digit photovoltaic?inverter and sampling system thereof relates to the inverter technology field. Adopted the method of STM32F051C as singlechip controller, the chip of having solved present dc -to -ac converter uses the DPS treater higher technical problem of cost that costs an arm and a leg, adopted through using driver chip to control DC the method of AC dc -to -ac converter has reached the technological effect of guaranteeing dc -to -ac converter job stabilization nature, adopted and trailed the real -time?supervision of electric wire netting with current sampling circuit through voltage, reached the technological effect of the steady operation of improvement solar energy grid -connected?electricity generation system. 本实用新型公开了种数字光伏逆变器及其采样系统，涉及逆变器技术领域。采用了STM32F051C作为单片机控制器的方法，解决了目前逆变器的芯片使用DPS处理器价格昂贵成本较高的技术问题；采用了通过使用驱动芯片来控制DC-AC逆变器的方法，达到了保证逆变器工作的稳定性的技术效果；采用了通过电压和电流采样电路对电网的实时监测跟踪，达到了提高太阳能并网发电系统的稳定运行的技术效果。