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Rescheduling of power systems constrained with transient stability limits in restructured power systems

机译：重组电力系统中受暂态稳定度限制的电力系统的重新调度

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This paper investigates various approaches to relieve the transient stability constraint in restructured power systems. The approaches adopted fall into two broad categories: those based on eliminating the constraint in the least-cost way and those based on eliminating with the least possible rescheduling. The latter group can, on the other hand, emerge in the form of a pool-protected policy in which the bilateral contracts are rescheduled to maintain the stability or in the form of a contract-protected policy in which the realizable bilateral contracts are maximized while minimizing the rescheduling in pool market. Transient energy function (TEF) method is used as a tool to calculate the sensitivity of energy margin to the variations in the magnitude of generation and load. The effectiveness of the method is illustrated by case studies on Western System Coordinating Council (WSCC) 3-machine 9-bus power system and on the 10-machine 39-bus New England test system and the results are compared. The results are also verified by time domain simulations.
机译：本文研究了缓解重组电力系统暂态稳定约束的各种方法。所采用的方法分为两大类：基于以最小成本方式消除约束的方法和基于以尽可能少的重新安排进行消除的方法。另一方面，后者可以以池保护政策的形式出现，在这种策略中，双边合同被重新安排以保持稳定；或者以合同保护政策的形式出现，在这种策略中，可实现的双边合同被最大化，而最小化游泳池市场的重新安排。瞬态能量函数（TEF）方法用作计算能量裕度对发电量和负荷量变化的敏感度的工具。通过在西方系统协调委员会（WSCC）3机9总线电源系统和10机39总线新英格兰测试系统上进行案例研究，说明了该方法的有效性，并对结果进行了比较。通过时域仿真也验证了结果。

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