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| Hardware-in-Loop Platform for High-Speed Maglev Traction System |
| Li Yang1, 2, Shi Liming1, Li Yaohua1 |
1. Key Laboratory of Power Electronics and Electric Drive Institute of Electrical Engineering Chinese Academy of Sciences Beijing 100190 China;
2. Graduate School of Chinese Academy of Science Beijing 100039 China |
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Abstract According to the characteristics of the long stator linear synchronous motor(LSM) powered in parallel from both substations by high-power converter, the real-time models of high-power NPC 3-level back-to-back converter is established. A decoupling method of complicated propulsion system including rectifier, inverter and LSM is developed for real-time simulating the models of mixing, nonlinear, non-causal and variable structure. The high-speed PWM acquisition boards and compensation algorithm based on the principle of equal flux is applied to eliminate the non-characteristic harmonic caused by error of fixed step-time simulation. The real-time simulation within 100μs step-time in the platform of controllers hardware-in-loop(HIL) is accomplished. This provides the important foundation for testing the maglev propulsion controller and operating safely.
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Received: 10 September 2012
Published: 12 December 2013
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2013, Vol. 28 
