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首页> 外文会议>CIGRE Dublin Symposium >Demonstration Project Utilizing Hybrid Battery Energy Storage System with High Penetration of Renewable Energy Sources in the Oki-Islands
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Demonstration Project Utilizing Hybrid Battery Energy Storage System with High Penetration of Renewable Energy Sources in the Oki-Islands

机译：利用Hybrid电池储能系统在Oki-Islands中具有高渗透的混合电池储能系统的示范项目

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In Japan, integration of renewable energy sources (RES) such as photovoltaics (PV) and wind turbines (WT) into power system has accelerated since the introduction of feed-in tariff scheme. Since output power of RES fluctuates due to weather conditions and this influence could become severe in an isolated small power system of remote island, measures against the output fluctuation are required with high penetration of RES. The Chugoku EPCo has developed a hybrid battery energy storage system (BESS) composed of different 2 types of batteries with Mitsubishi Electric Co. and has started a demonstration project since September 2015 in a commercial power system of the Oki-islands in order to maximize introduction amount of RES. This project was subsidized by the Ministry of the Environment. The fluctuation of RES output could be categorized into "short-term fluctuation" due to such as transit of cloud and "long-term fluctuation" due to such as change in position of the sun. In the project, we have constructed a hybrid BESS, in which Lithium ion (Li-ion) battery absorbs short-term fluctuation and Sodium-sulfur (NaS) battery absorbs long-term fluctuation in a coordinated method of control. Coordination control between existing diesel generators (DGs) and the hybrid BESS, efficient charge-discharge management and control methods of BESS have been demonstrating in the project. By integrating the hybrid BESS in the power system, we have been aiming to introduce about 11 MW of RES in total which exceeds the minimum demand (about 10 MW). We have installed NaS battery system of 4.2 MW (25.2 MWh) and Li-ion battery system of 2.0 MW (0.7 MWh). The amount of acceptable RES capacity and the required power output and capacity of BESS have been determined by simulation. To realize coordination control, we have constructed an Energy Management System (EMS), linking the hybrid BESS, diesel generation power stations, renewable energy power stations and a control center via communication network. By means of unmanned automatic operation, coordinated control between BESS and DGs is executed. Utilizing hybrid BESS with coordination control for power system control is the first challenge in Japan, and we will have been conducting the demonstration project for 3.5 years by March 2019 to resolve technical challenges with high penetration of RES. Up to the present time, the total capacity of RES integrated in the power system has reached 6.4 MW, about 60% of this project's target, and coordinated control performance has been generally satisfactory.
机译：在日本，自饲料关税方案的引入以来，可再生能源（RES）（如光伏（PV）和风力涡轮机（WT））的整合加速了。由于REA的输出功率由于天气条件而波动，因此在远程岛的隔离小型电力系统中可能变得严重，因此需要高渗透抵抗输出波动的措施。 Chugoku EPCO开发了一种混合电池储能系统（BESS），由MITSUBISHI电气公司的不同2种电池组成，并开始了2015年9月在OKI岛的商业电力系统中开始了示范项目，以便最大化引入res的数量。该项目由环境部补贴。由于云的运输和“长期波动”，可以分类为“短期波动”，并且由于阳光的位置的变化，因此可以分类为“短期波动”。在该项目中，我们建造了一种混合效果，其中锂离子（锂离子）电池吸收短期波动和硫磺（NAS）电池以协调的控制方法吸收长期波动。现有柴油发电机（DGS）与混合BESS之间的协调控制，BESS的高效充放电管理和控制方法已经在该项目中展示。通过将混合寿命集成在电力系统中，我们一直旨在引入大约11兆瓦的res，总共超过最低需求（约10 mW）。我们安装了4.2 MW（25.2米）和2.0mW（0.7米）的锂离子电池系统的NAS电​​池系统。通过模拟确定了可接受的RES容量和所需的电力输出和能力的能力。为了实现协调控制，我们通过通信网络构建了一种能量管理系统（EMS），将混合百分点，柴油发电电站，可再生能源发电站和控制中心连接。通过无人驾驶的自动操作，执行BESS和DGS之间的协调控制。利用具有电力系统控制的协调控制的混合效率是日本的第一个挑战，我们将在2019年3月举行3.5年的示范项目，以解决高渗透的技术挑战。截至目前，集成在电力系统中的RE的总容量已达到6.4兆瓦，该项目目标的约60％，并协调控制性能一般令人满意。

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