A Novel Distributed Photovoltaic Output Interval Prediction Method [PDF]
ObjectivesDistributed photovoltaic power prediction is of great significance for the operation and scheduling of photovoltaic power plants. Point prediction methods are difficult to comprehensively describe the uncertainty of distributed photovoltaic ...
CHEN Jin +7 more
core +1 more source
Droop Control Strategy of Distributed Photovoltaic Reactive Power Considering Probability Distribution [PDF]
Distributed photovoltaic access to the distribution network has gradually become a trend, but the large-scale distributed photovoltaic grid connection will cause serious power flow reversal, resulting in out-of-limit voltage and network loss increase ...
DAI Jianfeng +5 more
core +1 more source
Investment Decision and Economic Analysis of Distributed Photovoltaic Power Stations [PDF]
ObjectivesWith the continuous advancement of China’s photovoltaic (PV) industry, the industry is transitioning from being heavily reliant on government policy subsidies to achieving grid parity, which places higher demands on the economic benefits of PV ...
CHEN Heng +4 more
core +1 more source
A Study on Solar Photovoltaic Array Surface Morphology Variation in Sandy Area Based on Wind Tunnel Test [PDF]
[Objective] The surface morphology changes and its relation with wind environment under wind regime disturbance by a solar photovoltaic array in a sandy area of the middle part of Kubuqi Desert, in order to provide a theoretical basis for determining a ...
Dang Xiaohong +5 more
core +1 more source
Prospects for the Development Path of Highway PV-Storage-Charging Integration Under the Background of Transportation and Energy Integration [PDF]
[Introduction] The rapid development of new energy vehicles (NEVs) brings higher requirements for the power demand of highways. Based on the analysis of the power loads of highways, the photovoltaic endowment, and the energy storage technologies suitable
Bingcheng ZHANG +6 more
core +1 more source
Study and Design of V2G system based on Grid-connected PV Power Generation [PDF]
随着分布式可再生能源渗透率的不断提高,光伏等可再生能源接入电网的方式更加多样。同时近年来电动汽车飞速发展,解决充电问题已成为当务之急。在减少大规模充电对电网产生影响的同时,将电动汽车作为储能单元参与电网的调峰调频有利于电网的安全经济运行。本文研究基于光伏发电的V2G系统,旨在增加新能源消纳并促进电动汽车的清洁化和低碳化。系统的最大创新点在于实现了光伏发电并网、电动汽车充电与V2G服务的分时复用。 针对家庭单相并网选取了双向两级式的电路拓扑,不仅结构简单而且易于控制。对双向全桥电路和Buck ...
孙纯鹏
core
基于谐波电压突变与盲区识别的自适应混合式孤岛检测法 [PDF]
孤岛检测技术是分布式光伏规模化接入配电网的关键技术。正反馈主动移频法 (active frequency drift with positive feedback,AFDPF) 是目前应用最广泛的主动式孤岛检测法之一,针对其存在的对电能质量影响大、可靠性差的问题,提出一种基于谐波电压突变与盲区识别的自适应混合式孤岛检测法。首先,提出以突变量检测加延时的方式替代传统谐波电压检测法的总谐波失真 (total harmonic distortion,THD) 值整定,构建孤岛保护启动判据;其次,基于过 ...
冯德品 +5 more
doaj +1 more source
Research on Tidal Optimization of Voltage Overrun Problem in Photovoltaic Distribution Network With Electrical Energy Router [PDF]
ObjectivesWith the access of high-penetration distributed photovoltaic to the distribution network, the problems of power back-feeding and voltage overrun become more and more serious.
FENG Zining +3 more
core +1 more source
为了避免类似危机的出现,国内光伏行业发展要有明确的发展规划与目标,加快技术创新,在做好国外市场的同时,扩大国内市场需求,将企业发展的命运掌握在自己的手里国际经济危机导致光伏市场萎缩,与此同时,中国光伏产业快速发展,最终导致了产能严重过剩。激烈竞争导致低价,低价导致双反,这就是近年的光伏悲惨故事。据估计,2011年,我国全年太阳能电池组件产量达到21gW,占据全球总产量的60%,连续五年位居全球首位。2012年美国商务部就中国出口美国的光伏(即太阳能电池 ...
林伯强
core
Voltage Hierarchical Control Strategy of Active Distribution Network Based on Deep Reinforcement Learning [PDF]
ObjectivesThe randomness and volatility of distributed power generation poses significant challenges for the voltage control in active distribution network (AND).
DU Wanlin +6 more
core +1 more source

