变压器优化运行的算法研究

变压器优化功能可以在线地自动改变运行方式,并通过网络拓扑和计算调度员潮流得出并列运行的变压器的实时优化方案,给出2台并列运行变压器在不同负荷和不同方式下的损耗曲线。考虑到在实际运行中,变压器受调整次数的约束,而且运方人员更关心的是将来一段时间内变压器的运行方式,提出了负荷平滑算法,目的是通过一定方法对一段时间内的变压器负荷进行近似处理,使得变压器上负荷的变化次数小于等于时段内的最大调整次数,再对每段负荷进行优化,最终求得一段时间内的并列和分列运行的变压器优化运行方案。在这个运行方案的基础上,对调整点附近进行修正,使结果逼近最优方案。

Study on algorithm of optimization for transformer operation

The function of transformer optimization can change the mode of operation automatically, and obtain the real-time optimal scheme by power network topology and on-line power flow. The loss curve of two paratactic transformers on different loads and modes was given. According to the limitation of the times of adjustment in real system and the mode of operation in the future to be paid more attention by dispatcher, an algorithm of load-smooth was put forward to deal with the load of transformers approximately in order to minimize the adjusting times. An optimal operating scheme can be obtained through the optimizing for each period. A slight revision can be made near the adjusting point in order to approach optimization.