Ni-MH batteries and EDLCs hybrid stand-alone photovoltaic power system for digital access equipment

被引：0
|
作者：
Akiyama, Kazuya [1 ]
Nozaki, Yousuke [1 ]
Kudo, Mitsuru [1 ]
Yachi, Toshiaki [1 ]
机构：
[1] NTT Telecommunications Energy Lab, Tokyo, Japan
来源：
INTELEC, International Telecommunications Energy Conference (Proceedings) | 2000年
关键词：
Capacitors - Charging (batteries) - Data communication equipment - Electric currents - Electric potential - Installation - Monitoring - Photovoltaic cells - Secondary batteries;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We propose a hybrid stand-alone photovoltaic power system with cylindrical photovoltaic (PV) modules that uses nickel-metal hydride (NMH) batteries and electric double layer capacitors (EDLCs). This system is a potential power source for digital access equipment. The battery volume and weight can be reduced to about half those of a conventional PV power system and the installation area can be reduced to about one-tenth. This paper describes the system configuration charging control technique for the Ni-MH batteries using the EDLCs, and the Ni-MH battery monitoring method. It also introduces a prototype PV power system. Experimental results show that this prototype system can operate with the desired control and monitoring characteristics.
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页码：387 / 393
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