Youcef Islam Djilani Kobibi, S. Hadjeri, Mohammed Abdeldjalil Djehaf
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引用次数: 5
摘要
柔性交流输电系统(FACTS)为提高电力系统的灵活性、可控性和稳定性提供了一种新的先进技术解决方案。统一潮流控制器(Unified Power Flow Controller, UPFC)可以分别控制输电线路的实际功率、无功功率和节点电压，是FACTS中较为突出的潮流调节部分。本文研究了UPFC在电力系统稳态下具有一系列快速连续阶跃变化的潮流控制中的动态性能，以及UPFC对输电线路故障的响应。利用MATLAB的Simulink SimPowerSystems工具箱进行仿真，并在5总线测试系统和4总线多机电力系统上进行了仿真，结果清楚地表明UPFC在快速响应和独立控制实潮流和无功潮流以及阻尼振荡方面的有效性和可行性。
Independent Power Flow Control and dynamic performance enhancement by the UPFC
The Flexible AC Transmission System (FACTS) provides a new advanced technology solution to improve the flexibility, controllability and stability of a power system. The Unified Power Flow Controller (UPFC), as an outstanding part one for regulating power flow among the FACTS, can control respectively transmission line real power, reactive power and node voltage. This paper investigates dynamic performance of the UPFC for power flow control with a series of step changes in rapid succession under power system steady state and the response of the UPFC to a transmission line faults. Simulation was performed using MATLAB's Simulink SimPowerSystems toolbox and the results, which are carried out on a 5 bus test system and 4 bus multi-machine electric power system, shows clearly the effectiveness and viability of UPFC in rapid response and independent control of real and reactive power flow, and oscillation damping.
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