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高压电器  2015 

高压绝缘子参数监测系统光伏发电电源的设计

, PP. 68-73

Keywords: 高压绝缘子参数监测系统,超级电容器,蓄电池,混合储能,光伏发电

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Abstract:

高压绝缘子参数监测系统主要实现对高压绝缘子状态的在线监测,其供电电源是关键问题之一,要求电源长期免维护?高可靠性与稳定性。文中采用由蓄电池与超级电容器混合储能的光伏发电电源,根据负载及储能系统的特点提出了能量管理策略,光伏发电电源采用单向DC/DC单向变换器进行最大功率控制,超级电容与蓄电池采用双向DC/DC变换器与系统进行能量的双向交换。结果表明,该控制策略能在光伏电池输出功率波动的情况下,直流母线电压保持稳定,且能有效减少蓄电池的充放电循环次数,优化充放电性能,延长使用寿命,最大程度地保证光伏发电电源向系统不间断供电。

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