Electric Power ›› 2024, Vol. 57 ›› Issue (5): 188-199.DOI: 10.11930/j.issn.1004-9649.202307027
• Power System • Previous Articles Next Articles
Manlin HU1(), Nan LI2(
), Yiming LI1(
), Zhiyong PI2, Yi ZHU1, Zhenxing LI1(
)
Received:
2023-07-10
Accepted:
2023-10-08
Online:
2024-05-23
Published:
2024-05-28
Supported by:
Manlin HU, Nan LI, Yiming LI, Zhiyong PI, Yi ZHU, Zhenxing LI. Fault Location Method for Distribution Network with Photovoltaic Power Based on Negative Sequence Component[J]. Electric Power, 2024, 57(5): 188-199.
K取值 | 各节点重构负序电压幅值/kV | 实际故障 区段 | 定位故障 区段 | |||
0.8 | (2.25、3.75、4.09、4.89、1.891) | (2、3) | (3、4) | |||
0.9 | (1.75、2.49、5.13、4.19、3.91) | (3、4) | ||||
1.0 | (1.29、2.15、3.12、4.89、5.62) | (4、5) | ||||
1.1 | (3.48、3.95、4.09、2.87、1.57) | (2、3) | ||||
1.2 | (1.85、3.75、4.09、1.89、0.891) | (2、3) | ||||
1.3 | (–0.32、1.34、2.44、1.21、–0.46) | (2、3) | ||||
1.4 | (1.51、4.25、4.67、3.77、3.03) | (2、3) | ||||
1.5 | (2.66、5.295、5.52、3.96、2.95) | (2、3) | ||||
1.6 | (5.1、5.86、5.43、2.47、1.12) | (2、3) | ||||
1.7 | (5.15、6.82、6.49、3.79、2.4) | (2、3) | ||||
1.8 | (5.7、3.6、2.59、–0.32、1.32) | (1、2) | ||||
1.9 | (1.77、3.05、4.21、2.37、1.81) | (2、3) | ||||
2.0 | (3.85、3.75、2.74、2.59、1.1) | (1、2) | ||||
2.1 | (–2.15、–3.32、–4.74、–5.73、–2.1) | (3、4) | ||||
2.2 | (3.27、4.56、4.93、5.2、4.17) | (3、4) |
Table 1 Simulation result with different weight coefficient values of negative sequence reconstruction
K取值 | 各节点重构负序电压幅值/kV | 实际故障 区段 | 定位故障 区段 | |||
0.8 | (2.25、3.75、4.09、4.89、1.891) | (2、3) | (3、4) | |||
0.9 | (1.75、2.49、5.13、4.19、3.91) | (3、4) | ||||
1.0 | (1.29、2.15、3.12、4.89、5.62) | (4、5) | ||||
1.1 | (3.48、3.95、4.09、2.87、1.57) | (2、3) | ||||
1.2 | (1.85、3.75、4.09、1.89、0.891) | (2、3) | ||||
1.3 | (–0.32、1.34、2.44、1.21、–0.46) | (2、3) | ||||
1.4 | (1.51、4.25、4.67、3.77、3.03) | (2、3) | ||||
1.5 | (2.66、5.295、5.52、3.96、2.95) | (2、3) | ||||
1.6 | (5.1、5.86、5.43、2.47、1.12) | (2、3) | ||||
1.7 | (5.15、6.82、6.49、3.79、2.4) | (2、3) | ||||
1.8 | (5.7、3.6、2.59、–0.32、1.32) | (1、2) | ||||
1.9 | (1.77、3.05、4.21、2.37、1.81) | (2、3) | ||||
2.0 | (3.85、3.75、2.74、2.59、1.1) | (1、2) | ||||
2.1 | (–2.15、–3.32、–4.74、–5.73、–2.1) | (3、4) | ||||
2.2 | (3.27、4.56、4.93、5.2、4.17) | (3、4) |
K | K | |||||
1.0 | 4.526 | 1.6 | 2.038 | |||
1.1 | 2.038 | 1.7 | 2.038 | |||
1.2 | 2.038 | 1.8 | 2.038 | |||
1.3 | 2.038 | 1.9 | 2.038 | |||
1.4 | 2.038 | 2.0 | 2.038 | |||
1.5 | 2.038 |
Table 2 MK simulation results under different weight K values for upstream asymmetric fault
K | K | |||||
1.0 | 4.526 | 1.6 | 2.038 | |||
1.1 | 2.038 | 1.7 | 2.038 | |||
1.2 | 2.038 | 1.8 | 2.038 | |||
1.3 | 2.038 | 1.9 | 2.038 | |||
1.4 | 2.038 | 2.0 | 2.038 | |||
1.5 | 2.038 |
测量点 | 负序电压 幅值/kV | 负序电流 相位正负 | 测量点 | 负序电压 幅值/kV | 负序电流 相位正负 | |||||
1 | 0.33 | 负 | 7 | 2.60 | 正 | |||||
2 | 1.82 | 负 | 8 | 2.15 | 正 | |||||
3 | 3.30 | 负 | 9 | 1.76 | 正 | |||||
4 | 4.95 | 负 | 10 | 1.47 | 正 | |||||
5 | 4.07 | 正 | 11 | 1.32 | 正 | |||||
6 | 3.27 | 正 | 12 | 1.21 | 正 |
Table 3 Negative sequence simulation results with upstream side asymmetric fault $ K $=1.0
测量点 | 负序电压 幅值/kV | 负序电流 相位正负 | 测量点 | 负序电压 幅值/kV | 负序电流 相位正负 | |||||
1 | 0.33 | 负 | 7 | 2.60 | 正 | |||||
2 | 1.82 | 负 | 8 | 2.15 | 正 | |||||
3 | 3.30 | 负 | 9 | 1.76 | 正 | |||||
4 | 4.95 | 负 | 10 | 1.47 | 正 | |||||
5 | 4.07 | 正 | 11 | 1.32 | 正 | |||||
6 | 3.27 | 正 | 12 | 1.21 | 正 |
测量点 | 负序电压 幅值/kV | 负序电流 相位正负 | 测量点 | 负序电压 幅值/kV | 负序电流 相位正负 | |||||
1 | 0.86 | 负 | 7 | 2.78 | 正 | |||||
2 | 2.26 | 负 | 8 | 2.30 | 正 | |||||
3 | 3.68 | 负 | 9 | 1.89 | 正 | |||||
4 | 5.28 | 负 | 10 | 1.58 | 正 | |||||
5 | 4.34 | 正 | 11 | 1.42 | 正 | |||||
6 | 3.48 | 正 | 12 | 1.32 | 正 |
Table 4 Negative sequence simulation results with upstream side symmetric fault K=1.1
测量点 | 负序电压 幅值/kV | 负序电流 相位正负 | 测量点 | 负序电压 幅值/kV | 负序电流 相位正负 | |||||
1 | 0.86 | 负 | 7 | 2.78 | 正 | |||||
2 | 2.26 | 负 | 8 | 2.30 | 正 | |||||
3 | 3.68 | 负 | 9 | 1.89 | 正 | |||||
4 | 5.28 | 负 | 10 | 1.58 | 正 | |||||
5 | 4.34 | 正 | 11 | 1.42 | 正 | |||||
6 | 3.48 | 正 | 12 | 1.32 | 正 |
测量点 | 负序电压 幅值/kV | 负序电流 相位正负 | 测量点 | 负序电压 幅值/kV | 负序电流 相位正负 | |||||
1 | 0.11 | 负 | 7 | 1.28 | 负 | |||||
2 | 0.25 | 负 | 8 | 1.57 | 负 | |||||
3 | 0.44 | 负 | 9 | 1.88 | 负 | |||||
4 | 0.65 | 负 | 10 | 2.19 | 负 | |||||
5 | 0.86 | 负 | 11 | 1.98 | 正 | |||||
6 | 1.07 | 负 | 12 | 1.82 | 正 |
Table 5 Negative sequence simulation results with downstream side asymmetric fault K=1.0
测量点 | 负序电压 幅值/kV | 负序电流 相位正负 | 测量点 | 负序电压 幅值/kV | 负序电流 相位正负 | |||||
1 | 0.11 | 负 | 7 | 1.28 | 负 | |||||
2 | 0.25 | 负 | 8 | 1.57 | 负 | |||||
3 | 0.44 | 负 | 9 | 1.88 | 负 | |||||
4 | 0.65 | 负 | 10 | 2.19 | 负 | |||||
5 | 0.86 | 负 | 11 | 1.98 | 正 | |||||
6 | 1.07 | 负 | 12 | 1.82 | 正 |
测量点 | 负序电压 幅值/kV | 负序电流 相位正负 | 测量点 | 负序电压 幅值/kV | 负序电流 相位正负 | |||||
1 | 1.21 | 负 | 7 | 1.09 | 负 | |||||
2 | 0.94 | 负 | 8 | 1.29 | 负 | |||||
3 | 0.79 | 负 | 9 | 1.49 | 负 | |||||
4 | 0.78 | 负 | 10 | 1.69 | 负 | |||||
5 | 0.84 | 负 | 11 | 1.52 | 正 | |||||
6 | 0.95 | 负 | 12 | 1.40 | 正 |
Table 6 Negative sequence simulation results with downstream side symmetric fault K=1.2
测量点 | 负序电压 幅值/kV | 负序电流 相位正负 | 测量点 | 负序电压 幅值/kV | 负序电流 相位正负 | |||||
1 | 1.21 | 负 | 7 | 1.09 | 负 | |||||
2 | 0.94 | 负 | 8 | 1.29 | 负 | |||||
3 | 0.79 | 负 | 9 | 1.49 | 负 | |||||
4 | 0.78 | 负 | 10 | 1.69 | 负 | |||||
5 | 0.84 | 负 | 11 | 1.52 | 正 | |||||
6 | 0.95 | 负 | 12 | 1.40 | 正 |
测量点 | 负序电压 幅值/kV | 负序电流 相位正负 | 测量点 | 负序电压 幅值/kV | 负序电流 相位正负 | |||||
1 | 0.33 | 负 | 7 | 2.60 | 正 | |||||
2 | 1.82 | 负 | 8 | 2.16 | 正 | |||||
3 | 3.30 | 负 | 9 | 1.77 | 正 | |||||
4 | 4.95 | 负 | 10 | 1.49 | 正 | |||||
5 | 4.07 | 正 | 11 | 1.34 | 正 | |||||
6 | 3.26 | 正 | 12 | 1.23 | 正 |
Table 7 Negative sequence simulation results with upstream side asymmetric faults K=1.0 under different PV working conditions
测量点 | 负序电压 幅值/kV | 负序电流 相位正负 | 测量点 | 负序电压 幅值/kV | 负序电流 相位正负 | |||||
1 | 0.33 | 负 | 7 | 2.60 | 正 | |||||
2 | 1.82 | 负 | 8 | 2.16 | 正 | |||||
3 | 3.30 | 负 | 9 | 1.77 | 正 | |||||
4 | 4.95 | 负 | 10 | 1.49 | 正 | |||||
5 | 4.07 | 正 | 11 | 1.34 | 正 | |||||
6 | 3.26 | 正 | 12 | 1.23 | 正 |
测量点 | 负序电压 幅值/kV | 负序电流 相位正负 | 测量点 | 负序电压 幅值/kV | 负序电流 相位正负 | |||||
1 | 0.52 | 负 | 7 | 1.31 | 正 | |||||
2 | 0.49 | 负 | 8 | 1.10 | 正 | |||||
3 | 1.41 | 负 | 9 | 0.92 | 正 | |||||
4 | 2.40 | 负 | 10 | 0.77 | 正 | |||||
5 | 1.99 | 正 | 11 | 0.69 | 正 | |||||
6 | 1.61 | 正 | 12 | 0.62 | 正 |
Table 8 Negative sequence simulation results with upstream side symmetric fault K=1.1 under different PV working conditions
测量点 | 负序电压 幅值/kV | 负序电流 相位正负 | 测量点 | 负序电压 幅值/kV | 负序电流 相位正负 | |||||
1 | 0.52 | 负 | 7 | 1.31 | 正 | |||||
2 | 0.49 | 负 | 8 | 1.10 | 正 | |||||
3 | 1.41 | 负 | 9 | 0.92 | 正 | |||||
4 | 2.40 | 负 | 10 | 0.77 | 正 | |||||
5 | 1.99 | 正 | 11 | 0.69 | 正 | |||||
6 | 1.61 | 正 | 12 | 0.62 | 正 |
方法 | 解决故障类型 | 计算量 | 成本 | 工程难度 | 精确度 | |||||
1 | 不对称故障 | 大 | 低 | 低 | 低 | |||||
2 | 单相接地故障 | 小 | 高 | 高 | 高 | |||||
3 | 单相接地故障 | 小 | 低 | 低 | 低 | |||||
4 | 单相故障 | 小 | 高 | 低 | 高 | |||||
5 | 全类型故障 | 小 | 低 | 低 | 高 |
Table 9 Performance comparison of different methods
方法 | 解决故障类型 | 计算量 | 成本 | 工程难度 | 精确度 | |||||
1 | 不对称故障 | 大 | 低 | 低 | 低 | |||||
2 | 单相接地故障 | 小 | 高 | 高 | 高 | |||||
3 | 单相接地故障 | 小 | 低 | 低 | 低 | |||||
4 | 单相故障 | 小 | 高 | 低 | 高 | |||||
5 | 全类型故障 | 小 | 低 | 低 | 高 |
1 | 卢斯煜, 周保荣, 饶宏, 等. 高比例光伏发电并网条件下中国远景电源结构探讨[J]. 中国电机工程学报, 2018, 38 (S1): 39- 44. |
LU Siyu, ZHOU Baorong, RAO Hong, et al. Research of the prospect of China power generation structure with high proportion of photovoltaic generation[J]. Proceedings of the CSEE, 2018, 38 (S1): 39- 44. | |
2 | 杨振铨, 项基, 李艳君. 配合主网调度的配电网分布式电源主动控制策略[J]. 中国电机工程学报, 2019, 39 (11): 3176- 3185. |
YANG Zhenquan, XIANG Ji, LI Yanjun. Active control strategy of distributed generations for utility grid cooperation in distribution network[J]. Proceedings of the CSEE, 2019, 39 (11): 3176- 3185. | |
3 | 黄飞, 肖扬, 戴健, 等. 基于正序阻抗比的有源配电网不对称短路故障区段定位方法[J]. 电工电能新技术, 2022, 41 (12): 44- 53. |
HUANG Fei, XIAO Yang, DAI Jian, et al. Location method of asymmetric short–circuit fault for active distribution network based on positive sequence impedance ratio[J]. Advanced Technology of Electrical Engineering and Energy, 2022, 41 (12): 44- 53. | |
4 | 李君, 何敏, 黄守道, 等. 基于相暂态功率方向的有源配电网接地故障区段定位算法[J]. 高电压技术, 2023, 49 (8): 3205- 3214. |
LI Jun, HE Min, HUANG Shoudao, et al. Ground fault section positioning algorithm of active distribution network based on phase transient power direction[J]. High Voltage Engineering, 2023, 49 (8): 3205- 3214. | |
5 | 袁佳歆, 李响, 张哲维. 基于注入信号的有源配电网单相接地故障选线方法[J]. 电测与仪表, 2020, 57 (5): 44- 49. |
YUAN Jiaxin, LI Xiang, ZHANG Zhewei. Research on single-phase grounding fault selection technology for active distribution network based on injected signal[J]. Electrical Measurement & Instrumentation, 2020, 57 (5): 44- 49. | |
6 | 黄飞, 陈纪宇, 戴健, 等. 基于特征暂态零模电流偏态系数的有源配电网单相故障定位方法[J]. 电力系统保护与控制, 2022, 50 (20): 12- 21. |
HUANG Fei, CHEN Jiyu, DAI Jian, et al. Single-phase fault location method for an active distribution network based on the skewness coefficient of characteristic transient zero-mode current[J]. Power System Protection and Control, 2022, 50 (20): 12- 21. | |
7 |
康忠健, 田爱娜, 冯艳艳, 等. 基于零序阻抗模型故障特征的含分布式电源配电网故障区间定位方法[J]. 电工技术学报, 2016, 31 (10): 214- 221.
DOI |
KANG Zhongjian, TIAN Aina, FENG Yanyan, et al. Fault section locating method based on zero sequence impedance model fault feature in distribution network with distributed generators[J]. Transactions of China Electrotechnical Society, 2016, 31 (10): 214- 221.
DOI |
|
8 | 朱吉然, 牟龙华, 郭文明. 考虑并网运行微电网故障方向识别的逆变型分布式电源故障控制[J]. 电工技术学报, 2022, 37 (3): 634- 644. |
ZHU Jiran, MU Longhua, GUO Wenming. Fault control of inverter interfaced distributed generator considering fault direction identification of the grid-connected microgrid[J]. Transactions of China Electrotechnical Society, 2022, 37 (3): 634- 644. | |
9 |
顾晨杰, 王清, 樊佳辉. 基于负序电压排序的光伏电站内故障定位方法[J]. 广东电力, 2018, 31 (9): 90- 97.
DOI |
GU Chenjie, WANG Qing, FAN Jiahui. Fault location method for photovoltaic power plant based on negative-sequence voltage ordering[J]. Guangdong Electric Power, 2018, 31 (9): 90- 97.
DOI |
|
10 | 孔祥玉, 尧静涛, 崔凯, 等. 考虑分布式电源接入的区域配电网规划投资决策方法[J]. 中国电力, 2020, 53 (4): 41- 48. |
KONG Xiangyu, YAO Jingtao, CUI Kai, et al. Investment decision-making method for regional distribution network planning considering distributed generations[J]. Electric Power, 2020, 53 (4): 41- 48. | |
11 | 姚骏, 孙鹏, 刘瑞阔, 等. 弱电网不对称故障期间双馈风电系统动态稳定性分析[J]. 中国电机工程学报, 2021, 41 (21): 7225- 7236. |
YAO Jun, SUN Peng, LIU Ruikuo, et al. Dynamic stability analysis of DFIG-based wind power system during asymmetric faults of weak grid[J]. Proceedings of the CSEE, 2021, 41 (21): 7225- 7236. | |
12 |
FARUGHIAN A, KUMPULAINEN L, KAUHANIEMI K. Earth fault location using negative sequence currents[J]. Energies, 2019, 12 (19): 1- 14.
DOI |
13 |
冯俊杰, 傅闯, 邹常跃, 等. V/f控制下柔性直流换流器阻抗建模及中高频谐振特性分析[J]. 电力系统自动化, 2022, 46 (4): 143- 152.
DOI |
FENG Junjie, FU Chuang, ZOU Changyue, et al. Impedance modeling and mid-and high-frequency resonance characteristic analysis for flexible DC converter with V/f control[J]. Automation of Electric Power Systems, 2022, 46 (4): 143- 152.
DOI |
|
14 | 季亮, 张海涛, 任建铭, 等. 基于逆变型DG控制特性的微电网故障特征分析[J]. 中国电力, 2017, 50 (12): 165- 172. |
JI Liang, ZHANG Haitao, REN Jianming, et al. New microgrid fault analysis method based on inverter-type DG characteristic[J]. Electric Power, 2017, 50 (12): 165- 172. | |
15 |
HAQUE M M, ALI M S, WOLFS P, et al. A UPFC for voltage regulation in LV distribution feeders with a DC-link ripple voltage suppression technique[J]. IEEE Transactions on Industry Applications, 2020, 56 (6): 6857- 6870.
DOI |
16 |
MAO X M, CHEN J X. A fast method to compute the dynamic response of induction motor loads considering the negative-sequence components in stability studies[J]. Energies, 2019, 12 (9): 1802.
DOI |
17 |
MODI G, SINGH B. A novel multilayer N-LMS adaptive-filter-based control for synchronization and power quality improvement in grid-tied SPV system[J]. IEEE Transactions on Industrial Electronics, 2023, 70 (9): 9158- 9168.
DOI |
18 | 姜瑶, 徐宗学, 王静. 基于年径流序列的五种趋势检测方法性能对比[J]. 水利学报, 2020, 51 (7): 845- 857. |
JIANG Yao, XU Zongxue, WANG Jing. Comparison among five methods of trend detection for annual runoff series[J]. Journal of Hydraulic Engineering, 2020, 51 (7): 845- 857. | |
19 |
ASHRAF M S, AHMAD I, KHAN N M, et al. Streamflow variations in monthly, seasonal, annual and extreme values using Mann-Kendall, spearmen’s rho and innovative trend analysis[J]. Water Resources Management, 2021, 35 (1): 243- 261.
DOI |
20 |
张洪波, 王斌, 辛琛, 等. 去趋势预置白方法对径流序列趋势检验的影响[J]. 水力发电学报, 2016, 35 (12): 56- 69.
DOI |
ZHANG Hongbo, WANG Bin, XIN Chen, et al. Effects of trend-free pre-whitening methods on trend detection in Mann-Kendall test of runoff series[J]. Journal of Hydroelectric Engineering, 2016, 35 (12): 56- 69.
DOI |
|
21 |
MOHAMMAD L, MONDAL I, BANDYOPADHYAY J, et al. Assessment of spatio-temporal trends of satellite-based aerosol optical depth using Mann–Kendall test and Sen’s slope estimator model[J]. Geomatics, Natural Hazards and Risk, 2022, 13 (1): 1270- 1298.
DOI |
22 |
索南加乐, 张健康, 宋国兵, 等. 基于故障类型的故障分量提取算法[J]. 电力系统自动化, 2005, 29 (3): 13- 16.
DOI |
SUONAN Jiale, ZHANG Jiankang, SONG Guobing, et al. Novel algorithm based on fault type to extract fault components[J]. Automation of Electric Power Systems, 2005, 29 (3): 13- 16.
DOI |
|
23 | 侯俊杰, 宋国兵, 常仲学, 等. 基于故障分量差动电流极性特征的直流线路故障全过程保护原理[J]. 电力自动化设备, 2019, 39 (9): 11- 19. |
HOU Junjie, SONG Guobing, CHANG Zhongxue, et al. DC line fault protection principle based on polarity characteristics of differential current of fault components for whole process of failure[J]. Electric Power Automation Equipment, 2019, 39 (9): 11- 19. | |
24 |
庞清乐, 刘昱超, 李希年, 等. 基于电流极性比较的主动配电网故障定位方法[J]. 电力系统保护与控制, 2018, 46 (20): 101- 108.
DOI |
PANG Qingle, LIU Yuchao, LI Xinian, et al. Current polarity comparison based fault location for active distribution network[J]. Power System Protection and Control, 2018, 46 (20): 101- 108.
DOI |
|
25 | 刘凯, 李幼仪. 主动配电网保护方案的研究[J]. 中国电机工程学报, 2014, 34 (16): 2584- 2590. |
LIU Kai, LI Youyi. Study on solutions for active distribution grid protection[J]. Proceedings of the CSEE, 2014, 34 (16): 2584- 2590. |
[1] | PI Zhiyong, ZHU Yi, LIAO Xuan, LI Zhenxing, FANG Hao, WU Pei. Fault Location Method for Communication Link with Multi-information Fusion Modeling of Smart Substation [J]. Electric Power, 2023, 56(8): 207-215. |
[2] | PI Zhiyong, ZHU Yi, LIAO Xuan, LI Zhenxing, FANG Hao, WU Pei. Fault Location Method for Communication Link in Smart Substation Based on Deep Learning [J]. Electric Power, 2023, 56(7): 136-145. |
[3] | LI Tiecheng, ZHANG Weiming, ZANG Qian, WANG Xianzhi, REN Jiangbo, ZHOU Kun. Online Self-Healing Scheme of Distribution Network Based on Mixed Integer Linear Programming [J]. Electric Power, 2023, 56(5): 129-136. |
[4] | CAO Fulu, ZHAO Jinbin, PAN Chao, MAO Ling, QU Keqing. An Active Ground Fault Location Method for Low-Voltage DC Lines Based on DFFT [J]. Electric Power, 2023, 56(4): 184-191. |
[5] | Ming ZHONG, Jun TAO, Xunyu LIU, Yi YANG, Bingyuan YANG. Smart Substation Optical Fiber Virtual and Real Loop Mapping and Fault Diagnosis Technology [J]. Electric Power, 2023, 56(10): 171-178. |
[6] | Qian ZHANG, Fei MENG, Tao LI, Yong YANG, Lu BAI. Informer Photovoltaic Power Generation Forecasting Based on Cycle Information Enhancement [J]. Electric Power, 2023, 56(10): 186-193. |
[7] | HAN Ziyan, WANG Shouxiang, ZHAO Qianyu, ZHENG Zhijie. A Capacity Optimization Configuration Method for Photovoltaic and Energy Storage System of 5 G Base Station Considering Time-of-Use Electricity Price [J]. Electric Power, 2022, 55(9): 8-15. |
[8] | YANG Xihang, HUANG Chun, SHEN Yatao, HU Nianen, WAN Ziheng. Fault Location Method for Distribution Lines Based on Loss Power Matching [J]. Electric Power, 2022, 55(8): 113-120. |
[9] | LI Fengjun, WANG Lei, ZHAO Jian, ZHANG Jianbin, ZHANG Shiyao, TIAN Yangyang. Research on Distributed Photovoltaic Short-Term Power Prediction Method Based on Weather Fusion and LSTM-Net [J]. Electric Power, 2022, 55(11): 149-154. |
[10] | WANG Weizhang, WANG Chun, YIN Fagen. Reachability Matrix and Bayes' Theorem Based Fault Section Location of Power Distribution Network with Distributed Generation [J]. Electric Power, 2021, 54(7): 93-99,124. |
[11] | WU Jianwei, SHAO Jianfeng. Fault Location of DC Transmission Lines Based on Backward Waves Considering Wave Speed Changes [J]. Electric Power, 2021, 54(5): 121-128. |
[12] | LI Fuzhi, ZHENG Weibin, ZHANG Wenhai, ZHANG Zhiyong, LIN Defeng, ZHANG Xubo, ZHANG Rongjian. Fault Path Direct-Current Resistance Based Off-Line Single-Phase-To-Ground Fault Location [J]. Electric Power, 2021, 54(2): 140-146. |
[13] | XU Yanchun, ZHAO Caicai, SUN Sihan, MI Lu. Fault Location for Active Distribution Network Based on Improved LMD and Energy Relative Entropy [J]. Electric Power, 2021, 54(11): 133-143. |
[14] | CHEN Wei, REN Jing, WU Xinfang, YU Wenying, LIU Yongsheng. Iterative Optimization and Economic Analysis of Photovoltaic Power Generation Forecasting under Haze Conditions [J]. Electric Power, 2021, 54(10): 223-230. |
[15] | ZHAO Siteng, GUI Lin, ZHANG Qixue, WANG Xiangheng. Ground Fault Location of Large Generator and External Components [J]. Electric Power, 2020, 53(3): 119-125. |
Viewed | ||||||
Full text |
|
|||||
Abstract |
|
|||||