基于静态安全性和实时供电能力的输电网安全等级研究

发布时间：2018-11-17 20:23

【摘要】：考虑到天气因素对输电线载流量及电网安全的影响,采用摩尔根公式计算实时载流量;基于实时载流量,对电网进行实时静态安全分析,并通过线性规划法计算实时供电能力,定义了危险指标、风险指标、安全指标、安全均衡度等,来定量评估电网解列、越限、安全等情况;以此将电网安全状态划分为5个等级,给出了量化标准。同时,提出了电网安全分析的分区管理理念,通过"分解-协调法"来实现区域间的数据交换。算例表明该评价体系能定量刻画电网在正常、故障及检修时的安全状况,准确反映电网安全性高低、定位电网结构不合理的地方,便于提早采取措施。
[Abstract]:Considering the influence of weather factors on the load flow of transmission line and the safety of power grid, the real time load rate is calculated by using the Morgen formula. Based on the real-time load flow, the real-time static security analysis of the power network is carried out, and the real-time power supply capacity is calculated by linear programming method. The hazard index, risk index, safety balance degree and so on are defined to quantitatively evaluate the power grid de-listing and beyond the limit. Security, etc.; The security state of the power network is divided into 5 grades and the quantitative standard is given. At the same time, the paper puts forward the concept of district management of power grid security analysis, and realizes the data exchange between regions by "decomposition-coordination method". The calculation example shows that the evaluation system can quantitatively describe the security situation of the power network during normal, fault and overhaul, accurately reflect the security of the power network, locate the unreasonable place of the power network structure, and facilitate the early adoption of the measures.
【作者单位】：燕山大学电力电子节能与传动控制河北省重点实验室;首钢京唐钢铁联合有限责任公司;廊坊供电公司;
【基金】：国家自然科学基金(61304183) 河北省自然科学基金(E2013203113) 秦皇岛市科学技术研究与发展计划(201302A013)资助项目
【分类号】：TM711

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