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Theoretical study of the rotary electrostatic generators based on a universal equivalent circuit model
Nano Energy ( IF 17.6 ) Pub Date : 2022-06-16 , DOI: 10.1016/j.nanoen.2022.107512
Rong Ding , Zeyuan Cao , Zibo Wu , Zijian Liao , Jiani Xu , Junchi Teng , Xiongying Ye

Rotary electrostatic generators (RESGs) as a kind of rising effective energy harvesters have attracted intensive attention and their output power can be largely improved utilizing a charge pumping strategy. But the theoretical models for conventional RESGs are not suitable for RESG with charge pumping. Besides, there are various types of RESGs, which were not compared comprehensively due to the lack of a universal theoretical system. Here, we propose a universal equivalent circuit model (UECM) based on the variable capacitor network for RESGs. Under the framework of UECM, the governing equations of different types of RESGs can be derived from the universal fundamental formulas established by Kirchhoff’s Current Law. Based on numerical simulation, the output characteristic and the output power without and with the edge effect of five types of RESGs are calculated and compared under different structural parameters. This work further enriches the theoretical system of RESG and provides a guidance for optimal selection and design.



中文翻译:

基于通用等效电路模型的旋转式静电发生器理论研究

旋转静电发生器(RESGs)作为一种新兴的有效能量收集器已经引起了广泛的关注,并且它们的输出功率可以利用电荷泵策略大大提高。但传统 RESG 的理论模型不适用于带电荷泵的 RESG。此外,RESGs的种类繁多,由于缺乏通用的理论体系,没有进行全面比较。在这里,我们提出了一种基于 RESG 的可变电容器网络的通用等效电路模型 (UECM)。在 UECM 框架下,不同类型 RESG 的控制方程可以由基尔霍夫电流定律建立的通用基本公式推导出来。基于数值模拟,计算并比较了五种RESG在不同结构参数下的输出特性和无边缘效应和有边缘效应的输出功率。该工作进一步丰富了RESG的理论体系,为优化选择和设计提供了指导。

更新日期:2022-06-16
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