CAJ | 학술논문

介绍了动态电压恢复器的基本工作原理和现有的电压暂降检测方法,在此基础上提出了一种基于最小二乘法的检测算法.该算法能够在电网电压出现三相不平衡暂降时,快速分离出基波正序分量,并结合补偿策略得到所需的电压补偿量,实时性较强.
개소료동태전압회복기적기본공작원리화현유적전압잠강검측방법,재차기출상제출료일충기우최소이승법적검측산법.해산법능구재전망전압출현삼상불평형잠강시,쾌속분리출기파정서분량,병결합보상책략득도소수적전압보상량,실시성교강.
The paper introduced the ground principle of work and present voltage sag detection methods of dynamic voltage restorer. On this basis this paper proposed a sort detection method based on the least-squares method. It can separate from the fundamental wave positive-sequence and get the required voltage compensation to link the compensatinon strategy when the network voltage appeared the three phase unbalance voltage sag, the real-time character qutie better.