太阳能学报

新型有源配电网保护失配风险定值甄别方法

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戴志辉, 宁志恒, 栾琨, 刘钧溢, 丁扬天, 刘志仁

太阳能学报 | 2026,47(6): 47-57

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太阳能学报 2026 , 47 (6) : 47 -57

新型有源配电网保护失配风险定值甄别方法

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戴志辉, 宁志恒, 栾琨, 刘钧溢, 丁扬天, 刘志仁

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RISK VALUATION IDENTIFICATION METHOD OF PROTECTION MISMATCH FOR NEW ACTIVE DISTRIBUTION NETWORKS

Dai Zhihui, Ning Zhiheng, Luan Kun, Liu Junyi, Ding Yangtian, Liu Zhiren

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doi: 10.19912/j.0254-0096.tynxb.2025-0120

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摘要

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提出一种适用于高比例新能源并网场景的保护失配风险定值甄别方法,基于含高渗透率分布式新能源典型拓扑结构,深入剖析保护动作性能劣化机理,并针对保护误动、拒动根因揭示保护正确动作需遵循的约束条件;在此基础上,定量分析分布式电源出力与保护失配风险定值之间的映射关系,并通过基于骨干粒子群（PSO）算法的双环迭代法进一步明确保护失效动作边界,最终制定完整的保护失配风险定值甄别流程,并借助PSCAD/EMTDC及Matlab/Simulink平台验证所提方案的有效性。

关键词

配电网 / 分布式电源 / 继电保护 / 风险定值甄别 / 电流保护 / 不正确动作 / 保护失效边界

Abstract

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This paper proposes a detection method for protection mismatch risk settings tailored for high-penetration renewable energy integration scenarios. Using a typical topology of high-penetration distributed renewable energy systems, the degradation mechanism of protection performance is analyzed in depth. Furthermore, the constraints on correct protection operation are revealed by investigating the root causes of protection misoperation and failure to trip. Based on this analysis, the mapping relationship between DG output and protection mismatch risk settings is quantitatively examined. The boundary of protection failure is further determined using a dual-loop iteration method based on the backbone particle swarm optimization （PSO） algorithm. Finally, a comprehensive identification procedure for protection mismatch risk settings is developed. The effectiveness of the proposed approach is validated through simulations using the PSCAD/EMTDC and Matlab/Simulink platforms.

Key words

distribution network / distributed generator / relay protection / risk valuation identification / current protection / incorrect action / protection failure boundary

引用本文

戴志辉, 宁志恒, 栾琨, 刘钧溢, 丁扬天, 刘志仁. 新型有源配电网保护失配风险定值甄别方法. 太阳能学报, 2026 , 47 (6) : 47 -57 . DOI: 10.19912/j.0254-0096.tynxb.2025-0120

Dai Zhihui, Ning Zhiheng, Luan Kun, Liu Junyi, Ding Yangtian, Liu Zhiren. RISK VALUATION IDENTIFICATION METHOD OF PROTECTION MISMATCH FOR NEW ACTIVE DISTRIBUTION NETWORKS[J]. Acta Energiae Solaris Sinica, 2026 , 47 (6) : 47 -57 . DOI: 10.19912/j.0254-0096.tynxb.2025-0120

基金

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国家电网公司总部科技基金资助项目（5400-202340556A-3-2-ZN）

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2026年第47卷第6期

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doi: 10.19912/j.0254-0096.tynxb.2025-0120

接收时间：2025-01-20
首发时间：2026-07-17

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收稿日期：2025-01-20

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2种不同金属材料的力学参数

科 Family	属数 Number of genus	种数 Number of species	占总种数比例 Percentage of total species (%)	属 Genus	种数 Number of species	占总种数比例 Percentage of total species (%)
鹅膏菌科Amanitaceae	2	11	5.26	鹅膏菌属 Amanita	10	4.78
小菇科 Mycenaceae	2	12	5.74	丝盖伞属 Inocybe	5	2.39
多孔菌科 Polyporaceae	8	14	6.70	蜡蘑属 Laccaria	5	2.39
红菇科 Russulaceae	3	23	11.00	小皮伞属 Marasmius	6	2.87
				小菇属 Mycena	11	5.26
				光柄菇属 Pluteus	5	2.39
				红菇属 Russula	17	8.13
				栓菌属 Trametes	5	2.39

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