I. Project name
Technology and application of transient harmonic defense capability improvement of new energy in new power system construction
II. Nominee and nomination opinion
Based on practical problems and needs, the project focuses on overcoming the technical problems of improving the ability of transient harmonic defense of new energy in new power system construction: to establish a systematic harmonic stability analysis theory and fine modeling simulation method of new energy to achieve grid transient harmonics; rapid quantitative assessment of grid transient harmonic wave risk; proposed an optimal phase-selective closing control strategy with close coordination of multiple elements, and developed the China's first phase-selective closing device with remanence assessment function to weaken the transient harmonic impact intensity at the source and reduce its scope; proposed a control technology that significantly improves the operating performance of new energy in a harmonic environment and actively manages power quality, and significantly improves the adaptability of the new energy transmission system to grid incorporation; developed a power grid harmonic risk assessment and auxiliary decision-making platform to form a temporary new energy service dispatching platform, and form quasi-real-time assessment and rapid response capability of harmonic risk.
The project achievement has been applied in key projects such as Sichuan-Tibet interconnection and Tibet-Central China interconnection, new energy stations and new energy equipment manufacturers in the three districts of Sichuan, and directly supported Sichuan Province to formulate the operation procedures for the prevention and control of transient harmonics in the new energy transmission system, which provides a strong guarantee for the safe and stable operation of the power grid and the transmission and consumption of new energy.
The project has released 1 electric power industry standard and 1 group standard; 13 authorized invention patents; 3 registered soft works; published 30 papers, including 16 SCI retrievals; and published 1 monograph. After identification, the overall research achievement of the project has reached the international advanced level, and some has reached the international leading level.
Nominated for the 2022 Sichuan Science and Technology Progress Award.
III. Project introduction:
In recent years, with the continuous advancement of the construction of the national clean energy demonstration province and the national high-quality clean energy base, the new energy represented by photovoltaic and wind power will gradually replace hydropower, which is nearing the end of development, and new energy will be the major force of newly installed capacity for power generation. However, due to geographical conditions and resource endowments, Sichuan's advantageous new energy sources are concentrated in the "three districts and one city" area, and its large-scale development presents the "double high" characteristics of regional power grids. The transient harmonic shock represented by the no-load closing excitation inrush current of the large-scale main transformer will adversely affect the new energy grid-incorporated converters in a large range, resulting in the deterioration of power quality, instability of operation control or even disconnection in a large area.
In order to improve the ability of new energy transient harmonic defense and support the construction of new power system in Sichuan, the project started from three parts: analysis method, defense technology and application platform to systematically carry out related research. At the analysis method level, based on the impedance analysis method of the grid-incorporated converter and the electromagnetic transient fine modeling technology, an analysis method combining frequency domain theory and time domain simulation is formed to realize the fine analysis of the transient harmonic impact of the new energy transmission system. . Defense technology: On the harmonic source side, by optimizing the circuit breaker phase selection and closing control strategy, the transient harmonic impact is greatly weakened and its influence scope is reduced; on the new energy side, the operation control performance guarantee and power quality active governance are respectively studied to improve the adaptability of new energy generating units to the grid. In terms of application platform, the project developed an auxiliary decision-making platform for new energy transmission system transient harmonic risk dispatch operation to provide continuous technical support for preventing and resolving systemic transient harmonic risks and ensuring clean energy transmission and consumption.
The project achievement has been applied in key projects such as Sichuan-Tibet interconnection and Tibet-Central China interconnection, new energy stations and new energy equipment manufacturers in the three districts of Sichuan, and directly supported Sichuan Province to formulate the operation procedures for the prevention and control of transient harmonics in the new energy transmission system, which provides a strong guarantee for the safe and stable operation of the power grid and the transmission and consumption of new energy.
The project has released 1 electric power industry standard and 1 group standard; 13 authorized invention patents; 3 registered soft works; published 30 papers, including 16 SCI retrievals; and published 1 monograph. According to the technical appraisal by the China Electricity Council, the overall research achievement of the project has reached the international advanced level, and some has reached the international leading level.
IV. Catalogue of major intellectual property rights, standards and specifications:
Category of intellectual property (standard) |
Name of intellectual property (standard) |
Country (District) |
Authorization No. (Standard No.) |
Authorization (Standard release) date |
Certificate No. (Standard issuing unit) |
Patentee (Standard drafting unit) |
Inventor (Standard drafter) |
Invention patent (standard) validity status |
Invention patent |
A network boundary equivalence method for electromagnetic transient calculation of power grid |
China |
ZL201510402799.1 |
December 25, 2018 |
3192022 |
Electric Power Research Institute of State Grid Sichuan Electric Power Company |
Tang Fan; Teng Yufei; Wei Wei; Ding Lijie; Zhang Hua |
Valid |
Invention patent |
A method and device for determining the optimal split-phase closing time of a large-capacity main transformer |
China |
ZL201811377082.6 |
September 22, 2020 |
3996721 |
Electric Power Research Institute of State Grid Sichuan Electric Power Company; Economic and Technological Research Institute of State Grid Sichuan Electric Power Company; Tsinghua University |
Wei Wei; Liu Ying; Mei Shengwei; Ding Lijie; Chen Ying |
Valid |
Invention patent |
A power system visualizable simulation model topology hierarchical layout method |
China |
ZL201710975338.2 |
June 30, 2020 |
3865237 |
Electric Power Research Institute of State Grid Sichuan Electric Power Company |
Shi Huabo; Tang Lun; Ding Lijie; Chen Gang; Zhang Hua; Wei Wei; Wang Xi; Zhou Bo |
Valid |
Invention patent |
A remanence evaluation method and system based on variable area integral of voltage decay process |
China |
ZL201811495583.4 |
December 22, 2020 |
4164843 |
Electric Power Research Institute of State Grid Sichuan Electric Power Company; Nanjing NR Electric Co., Ltd.; Tsinghua University |
Wei Wei; Liu Ying; Mei Shengwei; Ding Lijie; Chen Ying |
Valid |
Invention patent |
A DFIG machine-side converter voltage source control method |
China |
ZL201811475649.3 |
March 11, 2022 |
4992052 |
Electric Power Research Institute of State Grid Sichuan Electric Power Company; State Grid Corporation of China |
Zhou Bo; Zhang Hua; Wei Wei; Chen Gang; Shi Huabo; Xu Lin; Tang Lun; Sun Xinwei; Wang Xi; Wang Liang; Zhang Rui |
Valid |
Invention patent |
Quick start method and device for electromagnetic transient simulation of AC-DC hybrid system |
China |
ZL201811217862.4 |
July 7, 2020 |
3875316 |
Electric Power Research Institute of State Grid Sichuan Electric Power Company; China Electric Power Research Institute; Tsinghua University |
Wei Wei; Huang Shaowei; Song Yankan; Tang Lun; Sun Xinwei; Liu Ye |
Valid |
Invention patent |
Pre-breakdown time prediction method based on self-learning of circuit breaker RDDS parameters |
China |
ZL201710825097.3 |
April 9, 2019 |
3327554 |
Nanjing NR Electric Co., Ltd.; Nanjing NR Electric Engineering Technology Co., Ltd. |
Li Haitao; Xu Lei; Liu Dongchao; Liu Peng; Lu Wei; Chen Zhigang |
Valid |
Electric power industry standard |
Calculation guideline for harmonic overvoltage induced by power transmission system |
China |
DL/T 2044-2019 |
October 1, 2019 |
|
State Grid Sichuan Electric Power Company; China Electric Power Research Institute Co., Ltd.; State Grid Electric Power Research Institute Co., Ltd.; Xi'an Jiaotong University; Southwest Electric Power Design and Research Institute Co., Ltd. of China Electric Power Engineering Consulting Group; Sichuan Electric Power Design Consulting Co., Ltd.; Pinggao Group Co., Ltd. |
Ding Lijie; Wei Wei; Xiang Zutao; Zhang Cuixia; Jiao Zaibin; Wang Zhen; Wang Xi; Li Haitao; Zhang Hua; Tang Fan; Shi Huabo; Chen Gang; Teng Yufei; Zhou Bo; Xu Lin; Zhang Yadi; Wu Xiaorong; Wang Hailin |
Valid |
Group Standard of Chinese Society of Electrical Engineering |
Technical Guidelines for Commissioning of Weak Contact AC Networking Projects |
China |
T/CSEE 0200-2021 |
May 1, 2021 |
|
Southwest Branch of State Grid Corporation of China; Electric Power Research Institute of State Grid Sichuan Electric Power Company; China Electric Power Research Institute Co., Ltd. |
Tang Maolin; Yu Rui; Wei Wei; Chen Xiangyi; Sun Xinwei; Liu Boxi; Tang Xiaojun; Jiang Hang; Tang Fan; Shi Huabo; Du Jicheng; Zhang Yudong; Zhou Bo; Lai Minhao; Chen Gang; Qingquan; Xie Yan; Wang Xi; Wang Liang ; Li Xin; Fan Chengwei; Shi Peng; Wang Yongcan; Zeng Zhuolin; Li Yan |
Valid |
Computer software copyright |
Risk analysis software for harmonic voltage distortion caused by inrush current of power system |
China |
2014SR200150 |
December 18, 2014 |
869383 |
Electric Power Research Institute of State Grid Sichuan Electric Power Company |
|
Valid |
V. Catalogue of theses and monographs
SN |
Thesis (monograph) Title/Journal /Author |
Year, Volume, Page (Year xxxx, Volume xx, Page xx) |
Date of publication (Y/M/D) |
Corresponding authors (including co-authors) |
First author (including co-authors) |
Chinese author |
Total citations |
Search database |
1 |
Sequences domain impedance modeling of three-phase grid-incorporated converter using harmonic transfer matrices/IEEE Transactions on Energy Conversion/ Heng Nian, Liang Chen, Yunyang Xu, Hongyu Huang, Junchao Ma |
2018, 33(2): 627-638 |
October 11, 2017 |
Nian Heng |
Nian Heng |
Nian Heng, Chen Liang, Xu Yunyang, Huang Hongyang, Ma Junchao |
0 |
SCI, EI |
2 |
Discrete event chain description of power system transient dynamic simulations for efficient cluster analysis/IET Generation, Transmission & Distribution/Ying Chen, Shaowei Huang, Yue Xia, Zun Wei |
2019,13(7):960-967 |
March 6, 2019 |
Xia Yue |
Chen Ying |
Chen Ying, Huang Shaowei, Xia Yue, Wei Zun |
0 |
SCI, EI |
3 |
Harmonic instability generation mechanism and influence law of photovoltaic grid-incorporated system/Journal of Electrotechnical Technology/Zhu Xiaojuan, Hu Haitao, Tao Haidong, He Zhengyou |
2017, 32(10), 33-41 |
May 25, 2017 |
Hu Haitao |
Zhu Xiaojuan |
Zhu Xiaojuan, Hu Haitao, Tao Haidong, He Zhengyou |
4 |
EI |
4 |
Parameter Identification of Photovoltaic Power Plant Based on Data Dimension Reduction/2019 IEEE 3rd International Electrical and Energy Conference/Wei Wei, Shaowei Huang, Huizhe Guan, Ruihao Su,Hang Fan, Xinwei Sun, Lijie Ding |
2019, 1(1), 1493-1497 |
September 1, 2019 |
Wei Wei |
Wei Wei |
Wei Wei, Huang Shaowei, Guan Huizhe, Su Ruihao, Fan Hang, Sun Xinwei, Ding Lijie |
0 |
EI |
5 |
High-altitude and ultra-high voltage power networking engineering technology series — Long-chain networking engineering system debugging, Sub-volume / China Electric Power Press / Shi Huabo, Wei Wei, Zhang Hua, Liu Mingzhong, Teng Yufei, Zhou Bo, Zhen Wei, etc. |
/ |
October, 2021 |
/ |
/ |
Shi Huabo, Wei Wei, Zhang Hua, Liu Mingzhong, Teng Yufei, Zhou Bo, Zhen Wei, etc. |
/ |
/ |
VI. Main completer:
Name |
Wang Kangkang |
Ranking |
1 |
Administrative position |
Head |
Unit |
Electric Power Research Institute of State Grid Sichuan Electric Power Company |
Technical title |
Senior engineer |
Completion unit |
Electric Power Research Institute of State Grid Sichuan Electric Power Company |
Contribution to the technical creation of this project: Determined the overall idea of the project, formulated the technical route of the project, and presided over the specific research and application of the project, made substantial contribution to innovation point 1 (Accurate analysis technology of transient harmonic risk of new energy collection and transmission system) and innovation point 5 (New energy transient harmonic risk assessment and auxiliary decision-making platform based on electromagnetic transients), mainly responsible for the refined simulation modeling research of new energy generator sets and the application of project research results, and had 2 papers and 2 software copyrights directly supporting the related research. |
Name |
Nian Heng |
Ranking |
2 |
Administrative position |
None |
Unit |
Zhejiang University |
Technical title |
Professor |
Completion unit |
Zhejiang University |
Contribution to the technical creation of this project: the core researchers of the project, made substantial contribution to innovation point 1 (Accurate analysis technology of transient harmonic risk of new energy collection and transmission system), innovation point 3 (New energy operation performance improvement control technology) and innovation point 4 (New energy actively participating in power quality governance and control technology), mainly participated in the research on harmonic stability analysis of new energy power generation systems, research on new energy generator set operation control performance improvement technology under harmonic environment, and new energy actively participating in power quality governance research, and had 2 papers, 3 patents and 1 software copyright directly supporting the related research. |
Name |
Wei Wei |
Ranking |
3 |
Administrative position |
Deputy director |
Unit |
Electric Power Research Institute of State Grid Sichuan Electric Power Company |
Technical title |
Senior engineer |
Completion unit |
Electric Power Research Institute of State Grid Sichuan Electric Power Company |
Contribution to the technical creation of this project: the core researcher of the project, made substantial contribution to innovation point 1 (Accurate analysis technology of transient harmonic risk of new energy collection and transmission system), innovation point 2 (Phase selection and closing control strategy optimization and phase selection with residual magnetism evaluation function control device research and development) and innovation point 5 (New energy transient harmonic risk assessment and auxiliary decision-making platform based on electromagnetic transients), mainly participated in the research on the refined simulation technology of transient harmonic effects, and research on the optimization of phase selection and closing control strategy and research and development of transient harmonic risk assessment and auxiliary decision-making platform. |
Name |
Zhou Bo |
Ranking |
4 |
Administrative position |
None |
Unit |
Electric Power Research Institute of State Grid Sichuan Electric Power Company |
Technical title |
Senior engineer |
Completion unit |
Electric Power Research Institute of State Grid Sichuan Electric Power Company |
Contribution to the technical creation of this project: the core researcher of the project, made substantial contribution to innovation point 1 (Accurate analysis technology of transient harmonic risk of new energy collection and transmission system), innovation point 3 (New energy operation performance improvement control technology) and innovation point 5 (New energy transient harmonic risk assessment and auxiliary decision-making platform based on electromagnetic transient), mainly particpated in the research on the refined simulation technology of transient harmonic effects, the research on the improvement of the operation control performance of new energy generator sets in the harmonic environment, and the development of transient harmonic risk assessment and auxiliary decision-making platform. |
Name |
Zhu Xiaojuan |
Ranking |
5 |
Administrative position |
None |
Unit |
Southwest Jiaotong University |
Technical title |
Assistant researcher |
Completion unit |
Southwest Jiaotong University |
Contribution to the technical creation of this project: the main project completer, made substantial contribution to innovation point 1 (Accurate analysis technology of transient harmonic risk of new energy collection and transmission system), and mainly participated in the research on temporary harmonic stability analysis of new energy power generation system, and research on refined simulation technology of harmonic effects. |
Name |
Shi Peng |
Ranking |
6 |
Administrative position |
None |
Unit |
Electric Power Research Institute of State Grid Sichuan Electric Power Company |
Technical title |
Engineer |
Completion unit |
Electric Power Research Institute of State Grid Sichuan Electric Power Company |
Contribution to the technical creation of this project: main completer of the project, made substantial contribution to innovation point 1 (Accurate analysis technology of transient harmonic risk of new energy collection and transmission system), innovation point 2 (phase selection and closing control strategy optimization and phase selection with residual magnetism evaluation function control device research and development), mainly particpated in the research on the refined simulation technology of transient harmonic effects and the research on the optimal phase selection and closing control strategy. |
Name |
Chen Ying |
Ranking |
7 |
Administrative position |
None |
Unit |
Tsinghua University |
Technical title |
Professor |
Completion unit |
Tsinghua University |
Contribution to the technical creation of this project: main project completer, made substantial contribution to innovation point 1 (accurate analysis technology of transient harmonic risk of new energy collection and transmission system), and mainly participated in the research on harmonic impact refined simulation technology on optimization of phase-selection gate control strategy. |
Name |
Li Haitao |
Ranking |
8 |
Administrative position |
None |
Unit |
Nanjing NR Electric Engineering Technology Co., Ltd. |
Technical title |
Senior engineer |
Completion unit |
Nanjing NR Electric Engineering Technology Co., Ltd. |
Contribution to the technical creation of this project: main completer of the project, made substantial contributions to innovation point 2 (phase selection and closing control strategy optimization and research and development of phase selection control device with residual magnetism evaluation function), and participated in the research and development of phase selection and closing with residual magnetism evaluation function. |
VII. Main completion units and contributions to innovation and promotion:
Company name |
Electric Power Research Institute of State Grid Sichuan Electric Power Company |
Ranking |
1 |
Contribution to the technological innovation, promotion and application of this project: The State Grid Sichuan Electric Power Company, as the unit responsible for the project, comprehensively controlled and coordinated the project design, research and application, and systematically conducted the research on harmonic stability analysis method for new energy generator sets, research on refined simulation technology, research on phase selection and closing optimization control strategy and device research and development, research on new energy generator set operation control performance improvement technology in harmonic environment, new energy actively participating in power quality control research, and transient harmonic risk assessment and auxiliary decision-making platform research and development and other work, and relying on the commissioning and operation of key projects such as the Sichuan-Tibet interconnection and the Tibet-Central China interconnection and the demand for uninterrupted operation of new energy in Sichuan and Tibet to promote the implementation of relevant results, and built a new energy transient harmonic defense capability improvement technology system to ensure the delivery and consumption of clean energy, support the safe and stable operation of the power grid, and promote the construction of a new power system. |
Company name |
Zhejiang University |
Ranking |
2 |
Contribution to the technological innovation, promotion and application of this project: Zhejiang University has participated in the research on harmonic stability analysis of new energy power generation system, the research on the improvement technology of the operation control performance of new energy generator sets in the harmonic environment, and the research on the active participation of new energy in power quality control, which has made an important contribution to ensuring its high-quality power supply level. |
Company name |
Tsinghua University |
Ranking |
3 |
Contribution to the technological innovation, promotion and application of this project: Tsinghua University has participated in the research on the refined simulation technology of harmonic effects and the research on the optimal phase selection and closing control strategy, which provides a powerful means for the analysis and prevention of transient harmonic risk in the new energy transmission system. |
Company name |
Southwest Jiaotong University |
Ranking |
4 |
Contribution to the technological innovation, promotion and application of this project: Southwest Jiaotong University has participated in the research on harmonic stability analysis of new energy power generation system and the research on refined simulation technology of harmonic impact, and has contributed to locating the key influencing factors of transient harmonic risk of new energy transmission system and realizing the precise quantification of transient harmonic risk. |
Company name |
Nanjing NR Electric Engineering Technology Co., Ltd. |
Ranking |
5 |
Contribution to the technological innovation, promotion and application of this project: Nanjing NR Electric Engineering Technology Co., Ltd. has developed China's first phase-selective closing device with remanence evaluation function, and participated in the application of the transient harmonic prevention and control technology of the new energy transmission system in the project. |
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