Supply of additional power generation by wind system to increase total power generation is increasing exponentially and globally to meet the challenge of surplus power demand. This total power generation should be at minimum cost and power loss, without violating stability limits. This paper presents modelling and tuning of flexible A.C. Transmission system (FACTS) devices with sensitivity analysis of buses for wind-integrated system (WIS). When the conventional grid system is integrated with some renewable energy resources such as wind, the voltage of buses within the system tends to decrease. This dip in voltage profile of the system must be compensated by some suitable FACTS devices, which must be optimally placed so as to improve the voltage and current profile of the system. Particle swarm optimization algorithm is used here for suitable placement and precise tuning of FACTS devices to maintain the voltage profile of integrated system within stability limits. Optimal power flow (OPF) is also used in this paper to maintain steady-state operation of wind integrated system with mitigation of cost of generation and losses. OPF is computed and compared with and without placing FACTS devices for WIS. Total per unit generation cost and losses are also calculated and compared for FACTS-controlled WIS. Bus voltage and angle sensitivity have been calculated and presented to determine range of voltage stability and to prevent any possible voltage collapse or critical point within the system. Optimization of load between maxima and minima is solved using general algebraic modelling system software.

中文翻译：

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基于灵敏度分析的带有FACTS装置的风集成系统的性能和经济运行，可优化负荷分配

风力系统为增加总发电量而提供的额外发电量正呈指数级增长，全球范围内都在满足剩余电力需求的挑战。该总发电量应以最小的成本和功率损耗，而不会违反稳定性限制。本文通过风集成系统（WIS）的总线灵敏度分析，介绍了柔性交流输电系统（FACTS）设备的建模和调试。当常规电网系统与诸如风之类的一些可再生能源整合时，系统内的总线电压趋于降低。系统电压分布的这种下降必须通过一些合适的FACTS设备进行补偿，这些设备必须进行最佳放置，以改善系统的电压和电流分布。这里使用粒子群优化算法对FACTS器件进行合适的放置和精确调整，以将集成系统的电压曲线保持在稳定范围内。本文还使用最优潮流（OPF）来维持风力发电系统的稳态运行，同时降低发电成本和损失。计算OPF并与是否放置用于WIS的FACTS设备进行比较。还计算并比较了FACTS控制的WIS的每单位发电总成本和损失。已经计算并给出了母线电压和角度灵敏度，以确定电压稳定性的范围并防止系统内任何可能的电压崩溃或临界点。使用通用代数建模系统软件可以解决最大值和最小值之间的负载优化问题。