CAJ | 학술논문

提出一种基于风险度评价和改进蚁群算法的配电网灵活规划方法.将规划年的预测负荷、电价及导线价格等参数的变化由原来的离散状态转变为多场景区间,从而将电网规划中的单一不确定性问题转化为多个确定性问题.在求解不确定性问题时,提出一种基于云模型的改进蚁群算法,通过定性关联规则推理对蚁群算法中信息素参数ρ和信息素强度Q进行定性控制和动态选取,根据算法进化情况自适应更新支路信息素,有效克服了传统蚁群算法易陷入局部最优解及收敛速度慢的问题.应用改进蚁群算法,依次获得各个场景的规划方案,并以风险度最小为标准确定鲁棒性最优的规划方案,实现电网的灵活规划.算例分析验证了所提方法的有效性.
제출일충기우풍험도평개화개진의군산법적배전망령활규화방법.장규화년적예측부하、전개급도선개격등삼수적변화유원래적리산상태전변위다장경구간,종이장전망규화중적단일불학정성문제전화위다개학정성문제.재구해불학정성문제시,제출일충기우운모형적개진의군산법,통과정성관련규칙추리대의군산법중신식소삼수ρ화신식소강도Q진행정성공제화동태선취,근거산법진화정황자괄응경신지로신식소,유효극복료전통의군산법역함입국부최우해급수렴속도만적문제.응용개진의군산법,의차획득각개장경적규화방안,병이풍험도최소위표준학정로봉성최우적규화방안,실현전망적령활규화.산례분석험증료소제방법적유효성.
An "algorithm of power distribution network flexible planning was proposed based on risk assessment and improved ant colony algorithm. The parameters of object year, such as load, electrovalence, lead price were changed from discrete state to a section of multi-scenario. The uncertainty problem of planning was changed into several confirmed problems. An adaptive ant colony algorithm based on cloud model was presented. The parameters ρ and Q of ant colony algorithm are qualitatively controlled and dynamically selected by employing the uncertain qualitative association rule inference based on cloud modeL The pheromone of branches is adaptive updated according to the process of the algorithm. The adaptive algorithm overcomes the main disadvantage of being inclined to local convergence and slow convergence speed of traditional ant colony algorithm. The adaptive algorithm is applied in confirmed distribution network structure planning. The scheme of each scenario was obtained and the optimum robust planning scheme was made with considering the minimum cost expectation scheme. Then the distribution network flexible planning could be realized. The instance of the paper indicates the method is feasible.