电气技术  2016, Vol. 17 Issue (8): 69-73    DOI:
研究与开发 |
基于多负荷变化和功率再分配模式的连续潮流
袁莉, 李胜华, 仇德军
泰州市姜堰区分公司,江苏,泰州 225300
The Continuation Power Flow based on Multiple Load Variation and Redistribution of Generation Power
Yuan Li, Li Shenghua, Qiu Dejun
Taizhou Jiangyan Power Supply Branch, Taizhou, Jiangsu 225300
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摘要 本文讨论了在多个负荷变化和发电功率再分配模式下的改进连续潮流。由于电力系统各节点注入电能的变化量是由各点的负荷变化量和各发电机组之间的发电量分配方式共同决定,因而通过采用电能注入空间中的分段线性模型模拟多个负荷的变化,利用最经济的原则或其它发电分配计划确定每台发电机参与因子的发电功率再分配,模拟出注入电能的变化情况。然后运用新型改进连续潮流算法评估多个负荷变化和发电功率再分配方式对于负荷裕度的影响。最后计算结果分析表明多个负荷变化和发电功率再分配模式能够对负荷裕度和电压稳定临界点产生显著的影响。并且相比负荷、发电机按统一变化比例的变化方式,多个负荷的不同变化方式对电压稳定临界点的稳定裕度影响显著。
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关键词 连续潮流变化量分段线性负荷裕度    
Abstract:The purpose of this paper is to deal with the improved continuous trend in a number of load changes and redistribution of power generation mode. In the power system, the injected amount change is determined by node change and the amount of load distribution of power generation. In the essay, the energy injected into the space of piecewise linear mode is employed to stimulate changes in multiple loads, while the redistribution of power generation can adopt the most economical allocation plan or other power generators to determine the involvement of each factor, so as to stimulate the changes in energy injection. Use a continuous flow of newly improved algorithm to assess changes in power generation and redistribution effects. Numerical analysis indicates that: a plurality of load changes and redistribution of power generation mode can have a significant impact on the load margin and voltage stability critical point. Compared with the unified change mode of loads and generators, the magnitude of the voltage stability critical point can differ by more than 28% in other change modes.
Key wordscontinuation power flow    variation    piecewise linear    load margin   
     出版日期: 2016-08-24
作者简介: 袁 莉(1982-),女,电气工程师,电气工程及其自动化专业本科毕业,有丰富的变电运检和配电运检经验,曾任生技部主任,配电主任。
引用本文:   
袁莉, 李胜华, 仇德军. 基于多负荷变化和功率再分配模式的连续潮流[J]. 电气技术, 2016, 17(8): 69-73. Yuan Li, Li Shenghua, Qiu Dejun. The Continuation Power Flow based on Multiple Load Variation and Redistribution of Generation Power. Electrical Engineering, 2016, 17(8): 69-73.
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https://dqjs.cesmedia.cn/CN/Y2016/V17/I8/69