Hybrid-model transient stability simulation using dynamic phasors based HVDC system model |
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| Affiliation: | 1. College of Electrical Engineering, South China University of Technology, Guangzhou 510640, China;2. Department of Electrical Engineering, Southeast University, Nanjing 210096, China;3. North China Power Engineering Co. Ltd., Beijing 100084, China;4. Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China;5. Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China;1. EEE Research Group, School of Electronics and Computer Science (ECS), Faculty of Physical Sciences and Engineering, University of Southampton, Southampton, United Kingdom;2. University of Southampton Malaysia Campus, Nusajaya, Johor, Malaysia;1. Department of Control, Tarbiat Modares University, Jalal Ale Ahmad Highway, Tehran 14115-111, Iran;2. Electrical Engineering Department, Amirkabir University of Technology, Tehran 15875-4413, Iran;1. National Center for the Energy Control, México City, México;2. Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Michoacán, México;3. Universidad de Guanajuato, Salamanca, Guanajuato, México |
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| Abstract: | A novel hybrid-model transient stability simulation algorithm for ac/dc power systems is suggested in this paper, where dynamic phasors theory is applied for HVDC transmission system modeling, and traditional electromechanical transient models are used for ac system. A detailed dynamic-phasors-based HVDC system model is derived first, and the algorithm for interface of the dc dynamic phasors model to ac network is proposed next. Computer simulation results show that the HVDC dynamic phasors model has very good accuracy as compared with its electromagnetic transient model; the test results from a 2-area ac/dc power system and a multi-infeed HVDC power system show clearly that the suggested interface algorithm works effectively in system transient stability analysis. The proposed hybrid-model simulation algorithm provides a new approach for dynamic simulation of large-scale ac/dc power systems. |
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