Experiment research on haulage performance of non-onboard speed regulation system of shearer
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摘要: 对采煤机非机载调速系统在不同控制方式下的牵引性能进行了试验研究,重点分析了采煤机非机载调速系统在应用标量控制、矢量控制及直接转矩控制时,长牵引电缆对变频器性能的影响。分析结果表明,矢量控制和直接转矩控制较之标量控制更适应非机载采煤机运行工况。这一结论可为采煤机非机载牵引调速系统的产品设计提供试验及理论依据。Abstract: The paper researched haulage performance of speed regulation system of non-onboard shearer in different control methods, analyzed influence of long hauling cable on haulage performance of frequency converter when the non-onboard speed regulation system of shearer applies scalar control, vector control and direct torque control.The analysis results show that vector control and direct torque control methods are more suitable for operation conditioning of non-onboard shearer compared than scalar control. The conclusion can offer testing and theoretical basis for design of non-onboard hauling and speed regulation system of shearer.
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