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中文摘要：
为解决高压直流控制系统参数优化问题,提出一种基于PSCAD-MATLAB联合调用的参数优化方法。阐述了联合调用的可能性和基本原理,介绍了联合调用实现优化的基本流程。以CIGRE标准测试系统为研究模型,采用改进粒子群优化算法优化整流侧定电流控制中PI控制器参数。经过比对原参数、基于传递函数优化方法的结果及基于基本粒子群算法的联合调用优化结果表明,联合调用策略准确复现了直流系统实际工作性能,依靠改进粒子群算法的全局搜索能力,有效实现了直流输电控制系统的参数优化,提升了直流输电系统的瞬态和稳态性能。联合调用优化控制参数方法的提出为直流输电控制系统的各个参数的整定和优化提供了重要的参考决策。
英文摘要：
For optimizing the parameters of high voltage direct current transmission （HVDC） control system, we proposed a novel method based on PSCAD-MATLAB combined invocation. The possibility and basic principle of the combined invocation were discussed, and then the main optimizing procedure was described in detail. On the basis of the CIGRE HVDC benchmark model, we optimized the PI controller parameters of constant current control system at rectifier side by using the improved particle swarm optimization algorithm. Comparison between the primary parameters, parameters optimized by the optimal method based on transfer function, and parameters optimized by combined invocation based on the proposed method indicates that the proposed method effectively optimizes the parameters in the control system and im- proves both the systems transient and steady state performances through reflecting the actual performance of HVDC system accurately. The high global searching ability of the improved particle swarm optimization algorithm contributes to the improvement greatly. The proposed method is a valid reference for optimization of HVDC control systems.
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