Applications of Digital-Physical Hybrid Real-Time Simulation Platform in Power Systems
Feng Leng,
Chengxiong Mao,
Dan Wang,
Ranran An,
Yuan Zhang,
Yanjun Zhao,
Linglong Cai,
Jie Tian
Affiliations
Feng Leng
State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China
Chengxiong Mao
State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China
Dan Wang
State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China
Ranran An
Electric Power Research Institute of Guangdong Power Grid Co. Ltd., Guangdong Province Key Laboratory of Smart Grid Technology, Guangzhou 510080, China
Yuan Zhang
Electric Power Research Institute of Guangdong Power Grid Co. Ltd., Guangdong Province Key Laboratory of Smart Grid Technology, Guangzhou 510080, China
Yanjun Zhao
Electric Power Research Institute of Guangdong Power Grid Co. Ltd., Guangdong Province Key Laboratory of Smart Grid Technology, Guangzhou 510080, China
Linglong Cai
Electric Power Research Institute of Guangdong Power Grid Co. Ltd., Guangdong Province Key Laboratory of Smart Grid Technology, Guangzhou 510080, China
Jie Tian
State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China
Digital-physical hybrid real-time simulation (hybrid simulation) platform integrates the advantages of both digital simulation and physical simulation by combining the physical simulation laboratory and the real-time digital simulator. Based on a 400 V/50 kVA hybrid simulation platform with 500 kVA short-circuit capacity, the hybrid simulation methodology and a Hausdorff distance based accuracy evaluation method are proposed. The case validation of power system fault recurrence is performed through this platform, and the stability and accuracy are further validated by comparing the hybrid simulation waveform and field-recorded waveform and by evaluating the accuracy with the proposed error index. Two typical application scenarios in power systems are studied subsequently. The static var generator testing shows the hybrid simulation platform can provide system-level testing conditions for power electronics equipment conveniently. The low-voltage ride through standard testing of a photovoltaic inverter indicates that the hybrid simulation platform can be also used for voltage standard testing for various power system apparatus with low cost. With this hybrid simulation platform, the power system simulation and equipment testing can be implemented with many advantages, such as short period of modelling, flexible modification of parameter and network, low cost, and low risk. Based on this powerful tool platform, there will be more application scenarios in future power systems.
