CAJ | 학술논문

针对传统电力系统连续潮流计算在计算速度和收敛性等方面的不足，提出一种基于矢量化与准最优步长相结合的模型。将连续潮流方程矢量化，并利用 Matlab 编写程序，可充分发挥其强大的矩阵运算能力以实现快速运算；在求解过程中，引入准最优乘子的概念，将有助于避免系统在较轻负荷下可能存在的不稳定性，减小系统病态的影响。整个连续潮流模型以矢量化的形式表达，简化了程序复杂度，提高了代码的通用性和易维护性。通过IEEE标准测试系统和实际系统的仿真计算，证明该模型的正确性。
침대전통전력계통련속조류계산재계산속도화수렴성등방면적불족，제출일충기우시양화여준최우보장상결합적모형。장련속조류방정시양화，병이용 Matlab 편사정서，가충분발휘기강대적구진운산능력이실현쾌속운산；재구해과정중，인입준최우승자적개념，장유조우피면계통재교경부하하가능존재적불은정성，감소계통병태적영향。정개련속조류모형이시양화적형식표체，간화료정서복잡도，제고료대마적통용성화역유호성。통과IEEE표준측시계통화실제계통적방진계산，증명해모형적정학성。
In view of the shortage in computing speed, convergence and other aspects of the traditional continuation power flow calculation, a model based on vectorization and quasi-optimal step-size is proposed. The continuous power flow equations are vectorized, and Matlab programming is used, which bring into full play of its powerful matrix operations ability to achieve rapid calculation;in the solution procedure, the introduction of the concept of quasi-optimal multiplier will help to avoid instability which may exist in light load system and to diminish the impact of ill-conditioned system. The whole continuation power flow calculation model is expressed by vectorized form, so the complexity of the procedure is simplified and the code's versatility and maintainability are improved. At last, the method is simulated by IEEE standard test system and the actual system, and the correctness of the proposed method is validated.