The academic paper, "Transmission Expansion Planning Test System for AC/DC Hybrid Grid With High Variable Renewable Energy Penetration" jointly published by researchers from ESIG, EEA of Tsinghua University and NREL of the United States in IEEE Transactions on Power Systems in December 2019, was recently reported by the official website of "Advances In Engineering". The first author of this paper is Zhuo Zhenyu, a doctoral student of EEA, the correspondence author is Associate Professor Zhang Ning and Professor Kang Chongqing, and the co-authors include Charlie Smith, Executive Director of the Energy Systems Integration Research Association, Mark Omari, Foreign Academician of the US National Academy of Engineering, Professor of the University College Dublin, and Chief Scientist of the National Renewable Energy Laboratory, Benjamin Kroboki, Director of the Energy Systems Integration Research Center of the National Renewable Energy Laboratory, and Yang Jingwei, a doctoral student of EEA.

Power system standard test system plays an important role in power system research. The series of currently and widely used IEEE standard test systems were put forward earlier, lacking sections on renewable energy grid incorporation and AC/DC hybrid connection. Renewable energy and DC lines are usually added to the original IEEE standard system in existing research. As the original standard test system is modified for different studies, it is difficult to make a horizontal comparison, which is not conducive to the study on the power grid incorporated with high renewable energy. To solve this problem, this paper designed the HRP-38 system, a 38-node test system for transmission grip planning and operation through grid simplification and data desensitization based on one of the year 2030 planning schemes of the 750kV power grid in Northwest China. The power supply form of the test system has the characteristics of "high proportion" renewable energy, and the electricity permeability of non-aqueous renewable energy is as high as 30% (47.2% of the capacity, 1.05 times the peak load); it introduces the existing grid and optional lines, in which both AC and DC lines are covered and various possible forms of the future power grid are taken into consideration. The data set of this test system provides a public research platform for the research of power system planning and operation, and basic data for power and power grid planning and operation optimization models and optimization methods in districts with high renewable energy permeation. Researchers can compare the performance of power system planning and operation models and algorithms in the same test system. By now, the data of the standard system has been entered into the IEEEDataPort and provided for open download (need to log in with the IEEE account). Scholars at home and abroad have begun to carry out research with the HRP-38 test system.

Advances In Engineering, established in 2005, is dedicated to reporting on advances in engineering research at the forefront of academia and industry, forecasting and discussing future technology trends, and promoting the rapid spread of outstanding scientific research worldwide. Fields covered are Electrical, Mechanical, Chemical, Materials and Biological, etc, and 5~8 most updated research achievements in the global electrical engineering field are published on its official website.

This standard system is one of the important achievements of the national key research and development project "Basic Theory of Power System Planning and Operation of Grid Incorporated with High Renewable Energy". The project belongs to the first batch of key special projects in the national key research and development program "Smart Grid Technology and Equipment". The project was initiated by the China Electric Power Research Institute, led by Professor Kang Chongqing of EEA, Tsinghua University, and undertaken by 15 universities including Tsinghua University, Shanghai Jiaotong University, Huazhong University of Science and Technology and Tianjin University, as well as 3 scientific research institutes including China Electric Power Research Institute, State Grid Economic & Technology Research Institute and State Grid Energy Research Institute. The project is studied mainly from five parts including future power system structure evolution model and power prediction method, AC/DC transmission network multi-objective collaborative planning method considering the temporal and spatial distribution characteristics of high proportion renewable energy, distribution network planning method considering flexible load under the access of high permeability renewable energy, power system stability analysis theory of source-grid-load high power electronization, and collaboratively optimized operation theory of AC/DC hybrid system with high proportion of renewable energy, before establishing a basic theoretical system for future power system form construction, collaborative planning and optimized operation incorporated with high renewable energy.

Link to the original paper:

https://ieeexplore.ieee.org/abstract/document/8931650

Zhenyu Zhuo, Ning Zhang, Jingwei Yang, Chongqing Kang, Charlie Smith, Mark J. O 'Malley, and Benjamin Kroposki. Transmission Expansion Planning Test System for AC/DC Hybrid Grid with High Variable Renewable Energy Penetration. IEEE Transactions on Power Systems. accepted, in press, doi: 10.1109/TPWRS.2019. 2959508.

HRP-38 standard test system data download link:

IEEEDataPort: https://ieee-dataport.org/documents/dataset-hrp-38-test-system

Github: https://github.com/Karl-Zhuo/Dataset-of-HRP-38-test-system

Advances In Engineering original text link

https://advanceseng.com/testing-foreseeable-renewable-energy-integration-future-ac-dc-hybrid-power-networks/