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| Study of the Electromechanical and Electromagnetic Hybrid Simulation for VSC-HVDC Based on PSASP/UPI |
| Zheng Chao1,Wang Henan2,Liu Hongtao3,Sheng Canhui1,Zhang Yong2,Lin Junjie1 |
1. China Electric Power Research Institute Beijing 100192 China;
2. North China Electric Power University Baoding 071003 China;
3. CSC Power Dispatching and Control Center Guangzhou 510623 China |
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Abstract Based on insulated gate bipolar transistor(IGBT) and pulse width modulation(PWM), the voltage sourced converters(VSC)-HVDC is a new a generation of high voltage direct current transmission technology and has broad application prospects. With the VSC-HVDC transmission capacity increasing, it is necessary to develop the ac and dc hybrid simulation tool for analyzing and formulating control strategies in order to ensure the stable operation of hybrid system and the safety of DC equipment. The simulation efficiency of large hybrid power grid and simulation accuracy of the dynamic characteristic of VSC-HVDC should be taken into account simultaneously. In this paper, the electromagnetic simulation model is established and the interface conversion method is bring forward for the electromagnetic and electromechanical quantities of VSC. Based on the user program interface function provided by PSASP, the hybrid simulation algorithm is developed. Simulation results of the AC/VSC-HVDC paralleled transmission system verified the validity of the hybrid simulation algorithm.
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Received: 09 August 2013
Published: 14 September 2015
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2015, Vol. 30 
