CAJ | 학술논문

随着我国风力发电的快速发展，合理选择风电场接入点、优化配置风储系统容量对电网规划与运行起着积极作用。因风能具有波动性和间歇性，故确定性分析方法受到了一定的限制，而风险分析方法能够将风速的随机性模型化。将故障后潮流转移作为 N-k 故障的选取原则，同时考虑了电网潮流水平对故障发生概率的影响，利用 N-k 风险分析方法对不同风电接入方案进行研究。在此基础上分析了风电场侧加装储能装置对电网风险的影响。通过分析电网风险水平，确定合理的风储系统容量配置方案，最后利用IEEE-RTS 测试系统验证上述方法的有效性。
수착아국풍력발전적쾌속발전，합리선택풍전장접입점、우화배치풍저계통용량대전망규화여운행기착적겁작용。인풍능구유파동성화간헐성，고학정성분석방법수도료일정적한제，이풍험분석방법능구장풍속적수궤성모형화。장고장후조류전이작위 N-k 고장적선취원칙，동시고필료전망조류수평대고장발생개솔적영향，이용 N-k 풍험분석방법대불동풍전접입방안진행연구。재차기출상분석료풍전장측가장저능장치대전망풍험적영향。통과분석전망풍험수평，학정합리적풍저계통용량배치방안，최후이용IEEE-RTS 측시계통험증상술방법적유효성。
With rapid development of wind power generation in China, reasonably selecting the grid-connection point of wind farm and optimally configuring the capacity of wind power generation system and energy storage system make positive contribution to both planning and operation of power grid. In view of the fluctuation and intermittence of wind energy, the deterministic analysis method is restricted, however the risk analysis method can model the randomness of wind speed. Taking the post-outage power flow transferring as the selection principle of N-k outage and considering the impact of grid power flow level on outage occurrence probability, the N-k risk analysis method is used to research different grid-connection scheme of wind farm. On this basis the impact of energy storage device added to the wind farm side on power grid risk is analyzed. By means of analyzing risk level of power grid, a reasonable capacity configuration scheme for wind farm and energy storage system can be determined. The effectiveness of the proposed method is validated by IEEE-RTS.