【摘要】：為提高獨(dú)立光伏系統(tǒng)的供電可靠性和光伏利用率,需要合理配置光伏組件和儲(chǔ)能系統(tǒng)的容量。根據(jù)光伏系統(tǒng)?儲(chǔ)能聯(lián)合運(yùn)行的特點(diǎn),考慮運(yùn)行過程中儲(chǔ)能能量的動(dòng)態(tài)變化過程,以儲(chǔ)能單元的技術(shù)特性為約束,提出以負(fù)荷缺電率(loss of power supply probability,LPSP)和能量溢出比(energy excess percentage,EXC)為考核指標(biāo)的光伏、儲(chǔ)能容量的聯(lián)合配置方法。在給定案例條件下,考慮了閥控鉛酸電池、鋰離子電池和全釩液流電池3種類型,分別對(duì)3種電池儲(chǔ)能進(jìn)行了容量配置,并以初始投資最小為目標(biāo),計(jì)算最優(yōu)光儲(chǔ)容量配置。結(jié)果表明,在相同配置情況下,采用全釩液流電池系統(tǒng)供電可靠性較高、經(jīng)濟(jì)性較好,而在滿足指標(biāo)要求下,采用閥控鉛酸電池系統(tǒng)初始投資最小。
[Abstract]:In order to improve the power supply reliability and photovoltaic utilization ratio of independent photovoltaic system, it is necessary to reasonably configure the capacity of photovoltaic module and energy storage system. According to the photovoltaic system? Considering the dynamic change process of energy storage energy during the operation process, considering the characteristics of energy storage joint operation, the photovoltaic (PV) with load power shortage rate (loss of power supply probability (loss of power supply) and energy overflow ratio (energy excess percentage (energy excess) is proposed, which is constrained by the technical characteristics of the energy storage unit. Joint allocation of energy storage capacity. In the given case, three types of valve-regulated lead acid battery, lithium ion battery and all-vanadium liquid flow battery are considered, and the optimal optical storage capacity is calculated with the aim of minimum initial investment. The results show that the power supply reliability and economy of the whole vanadium liquid flow battery system are higher and the initial investment of the valve-controlled lead-acid battery system is the least under the same configuration.
【作者單位】： 華北電力大學(xué)電氣與電子工程學(xué)院;中國(guó)電力科學(xué)研究院;陽(yáng)光電源股份有限公司;
【基金】：國(guó)家863高技術(shù)基金項(xiàng)目(SS2014AA052004) 國(guó)家自然科學(xué)基金項(xiàng)目(51277157)~~
【分類號(hào)】：TM615.2

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