An approach to congestion problem is presented, which combines OPF (Optimal Power Flow) and CPF (Continuation Power Flow) and maintains the system operating within voltage security margin.

采用将最优潮流与连续潮流相结合的方法解决阻塞问题，并使系统运行在电压安全裕度之内。

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The KKT system of the OPF is reformulated equivalently to a system of nonsmooth bounded constrained equations.

建立了与OPF 问题的KKT系统等价的带界约束的半光滑方程系统。

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So the problem of system reactive power optimization is solved through OPF algorithm.

通过OPF算法求解电力系统无功优化问题。

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Now the main methods of calculating the power system transmission capability are continuation power flow calculating method (CPF method) and optimal power flow calculating method (OPF method).

目前求解系统输电能力的方法主要有两种：连续性潮流计算法(简称CPF法)和最优潮流法(简称OPF法)。

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Now the main methods of calculating the power system transmission capability are continuation power flow calculating method (CPF method) and optimal power flow calculating method (OPF method).

目前求解系统输电能力的方法主要有两种：连续性潮流计算法(简称CPF法)和最优潮流法(简称OPF法)。

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