首先根据系统的运行条件确定最大连续运行电压(MCOV)和避雷器的额定电压;确定流过避雷器的配合电流和残压，从而确定了避雷器的保护水平，按照规定的绝缘裕度则可得到设备的绝缘水平。
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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。
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.
连续潮流算法是电压稳定分析的有力工具，能够克服接近稳定极限运行状态时的潮流不收敛的问题。
Continuation power flow method, the strong tool of voltage stability analysis, can overcome the problem of singularity of Jacobin matrix when running close to collapse point.
使调压过程在宏观上电压按系统运行的需要而改变，而微观上电压波形平滑、连续、无冲击。
The macrocosmic voltage is changed in terms of the demand of system operation, while the waveform of the microcosmic voltage is smooth, continuous and poses no impact.
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