微型光伏储能系统的并网调峰控制研究

doi:10.11985/2017.03.006

电气工程学报 ›› 2017, Vol. 12 ›› Issue (3): 41-47.doi: 10.11985/2017.03.006

• 北方工业大学专刊（二） • 上一篇

微型光伏储能系统的并网调峰控制研究

朴政国,张明

北方工业大学北京电动车辆协同创新中心北京 100144

收稿日期:2016-05-16 出版日期:2017-03-25 发布日期:2020-04-11
作者简介:朴政国,男 1979年生,博士,讲师,研究方向光伏发电系统设计、光伏逆变器和开关电源等电力电子变换技术相关领域。|张明,男 1988年生,硕士研究生,研究方向为分布式光伏发电,电力电子。
基金资助:
北京市教育委员会科技计划项目(KM201510009003)

Research of Grid-Connected Peak Shaving Control for Micro Photovoltaic Energy Storage System

Zhengguo Piao,Ming Zhang

Collaborative Innovation Center of Electric Vehicles in Beijing North China University of Technology Beijing 100144 China

Received:2016-05-16 Online:2017-03-25 Published:2020-04-11

摘要/Abstract

摘要：

本文针对新能源发电中的分布式光伏并网系统进行研究,主要研究了并网发电系统的核心逆变器部分,设计了一种新型的含储能装置的两级式并网逆变器;并在新型并网逆变器的设计基础上,针对配电网负荷需求变化引起的电力峰谷问题,进一步研究了含储能装置的分布式光伏并网系统对配电网削峰填谷的控制策略;提出基于并网点电压补偿的调峰控制策略;最终完成了整个系统的参数设计,并分别通过软件仿真和硬件实验平台验证了所设计的两级式并网逆变器的合理性;提升了光伏并网系统的运行效率,有效解决了调峰和稳定并网运行问题,为分布式光伏并网发电系统的设计提供了一种技术参考。

关键词: 分布式光, 伏反激逆变, 软开关, 储能装置, 负荷调峰

Abstract:

Aiming at the new energy power generation of distributed photovoltaic (PV) grid system, this paper mainly studied the core of the inverter part in grid connected power generation system. Design a new kind of two-stage grid connected inverter with energy storage device. In addition, aiming at the problem of electricity peak valley when the distribution network load demand change, studies a peak shaving control strategy for the distributed grid-connected PV system with energy storage devices. Present a peak load shaving control strategy based on Point of common coupling voltage compensation. Finally, the parameter design of the whole system is finished, and through software simulation and hardware experiment, the rationality of the two-stage grid connected inverter design is verified. Improve the operation efficiency of PV system, effectively solve the problem of peak load shaving and system stability. Provides technical reference for the design of the distributed photovoltaic grid power system.

Key words: Distributed photovoltaic, flyback inverter, soft switch, battery energy storage system, peak load shaving

中图分类号:

TM464

朴政国,张明. 微型光伏储能系统的并网调峰控制研究[J]. 电气工程学报, 2017, 12(3): 41-47.

Zhengguo Piao,Ming Zhang. Research of Grid-Connected Peak Shaving Control for Micro Photovoltaic Energy Storage System[J]. Journal of Electrical Engineering, 2017, 12(3): 41-47.

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	参数类别	取值范围	额定值
Boost电路	光伏电池板电压V_PV/V	20~50	36
	最大功率点电压V_MPP/V	25~45	36
	Boost电压V_Boost/V	46~60	48
反激逆变电路	逆变输出电压V_out/V	210~242	220
	并网输出频率f_out/Hz	49.3~50.7	50
	额定输出功率P_out/W	–	200
	谐波含量THD(%)	4.5<	–
	逆变效率η(%)	–	93
蓄电池	蓄电池电压V_bat/V	–	48
蓄电池	蓄电池容量C/A·h	–	20

微型光伏储能系统的并网调峰控制研究

Research of Grid-Connected Peak Shaving Control for Micro Photovoltaic Energy Storage System

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