摘要
在独立光伏照明系统中,由6只100F/2.7V单体超级电容组成的超级电容模组在太阳电池和蓄电池之间起能量传递作用。太阳电池开路电压高于17.5V时,采取6只串联充电,否则,采取每2只串联、3组并联充电。被充满的超级电容模组以6只串联方式再为蓄电池充电。实验采用LabVIEW数据采集系统实时监测,结果表明:采用超级电容作为能量传递,可实现恒压间歇慢脉冲充电,符合蓄电池最佳电流接收曲线,有利于高效接收太阳能量和延长蓄电池使用寿命。
In independent photovoltaic illumination system, the supercapacitor model group consisting of six 100 F/2.7 V monomers plays a part in energy transfer between the solar cell and storage battery. The six monomers were in series when the open circuit voltage was higher than 17.5 V, otherwise the six monomers were divided into three groups and each of which was constituted of two series monomers. Then the supercapacitor model group in the way of series by six monomers was responsible for charging up the storage battery. Real-time monitor was implemented by the LabVIEW data acquisition system. The results indicated that the characteristics of constant voltage and intermittent slow pulse in the charging process were carried out by using supercapacitor for energy transfer. Besides, the process of charging conformed to the optimal current acceptance curve of storage battery and it can not only improve the reception of solar energy but also prolong the service lifetime of storage battery.
出处
《半导体光电》
CAS
CSCD
北大核心
2012年第4期607-610,共4页
Semiconductor Optoelectronics
基金
山东省自然科学基金项目(ZR2010DM009)
关键词
超级电容
太阳电池
蓄电池
能量传递
慢脉冲
supercapacitor
solar cell
storage battery
energy transfer
slow pulse
