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基于实时仿真的稳控系统切负荷建模方法

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本文提出了一种基于实时仿真的稳控系统切负荷建模方法,以实现对稳控系统分轮切负荷功能的精确模拟.该模型首先从稳控系统和电网仿真数据库中获取负荷轮次整定值和可切负荷等数据,由切负荷轮次计算模块、实时负荷容量计算模块结合锁存的稳控系统切负荷动作信号和轮次,将按轮次被切除的负荷从本站负荷中扣除,形成实时的本站初始负荷容量;最后通过计及频率和电压影响的综合负荷计算模块输出本站并联负荷实时的有功功率和无功功率.本方法简化了稳控系统仿真试验时的系统接线,提高了稳控系统仿真试验的效率,并能够获得更加准确可信的测试结果.
Load Shedding Modeling Method for Stability Control Systems Based on Real-Time Simulation
This article proposes a real-time simulation based load shedding modeling method for stability control systems to achieve accurate simulation of the load shedding function of the stability control system.The model first obtains load cycle setting values and switchable load data from the stability control system and power grid simulation database.The load cycle calculation module and real-time load capacity calculation module,combined with the locked stability control system's load shedding action signal and cycle,deduct the load that has been cut off according to the cycle from the load of the station,forming a real-time initial load capacity of the station;Finally,the real-time active and reactive power of the parallel load in this station are output through the comprehensive load calculation module that takes into account the effects of frequency and voltage.This method simplifies the system wiring during stability control system simulation experiments,improves the efficiency of stability control system simulation experiments,and can obtain more accurate and reliable test results.

Stability control systemReal time simulationLoad shedding

陈勇

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云南电网有限责任公司电力科学研究院,云南 昆明 650217

稳控系统 实时仿真 切负荷

2024

云南电力技术
云南省电机工程学会 云南电力试验研究院(集团)有限公司电力研究院

云南电力技术

影响因子:0.244
ISSN:1006-7345
年,卷(期):2024.52(1)
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