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本文对高压直流系统数字仿真的友模法中元件模型的误差作了详细分析,并在此基础上推导了修正误差的算法,使计算精度大为提高。 本文以Gractz桥电路作为计算模型,并以解析解为检验精度的标准对实际计算结果进行了验证,得到了令人满意的结果。 文中分析与计算所得结论无疑对构造高精度的元件模型,从而提高整个直流系统的仿真精度以及减少总计算量都具有重要的意义。
In this paper, the error of component model in friendly mode of HVDC system digital simulation is analyzed in detail, and on the basis of this, the algorithm of correcting error is deduced, which greatly improves the calculation accuracy. In this paper, the Gractz bridge circuit is used as the calculation model, and the actual calculation results are verified by using the analytical solution as the test accuracy standard. The satisfactory results are obtained. The conclusions drawn from the analysis and calculation in the text will undoubtedly be of great significance to construct a high-precision component model, so as to improve the simulation precision of the entire DC system and reduce the total calculation.