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文章结合电力系统的稀疏特性，提出了一种基于稀疏技术的原对偶内点法电压无功优化控制数学模型，并给出了提高原对偶内点法计算速度的措施。所提算法在实际电力系统中的试算表明，该方法能够有效地解决大规模电力系统中带有大量不等式约束的电压无功优化控制问题；同经典的二次规划法以及采用致密模型的原对偶内点法比较表明，所提算法在速度上有明显的优越性。
Combining with the sparseness of power system, this paper presents a mathematic model of voltage-reactive optimization control based on sparse technology and original-dual interior point method, and gives some measures to improve the computational speed of the original dual dual-point method. The trial calculation of the proposed algorithm in an actual power system shows that this method can effectively solve the problem of voltage and reactive power optimization with large number of inequality constraints in large-scale power systems. With the classical quadratic programming method and the original The comparison of dual interior point method shows that the proposed algorithm has obvious superiority in speed.