The research on the fault level of tie line is of significance for the security and stability evaluation of power system as well as the preventive control of transient stability.
研究联络线故障水平对电力系统暂态稳定性的影响，对于电力系统的安全稳定评估与校核，以及暂态稳定预防控制都有着重要意义。
The tie line bias control for North China interconnected power System is investigated, the mathematical model for North China power System is proposed.
本文对华北互联电力系统联络线交换功率偏移制方式进行了研究，提出了相应的数学模型。
Along with the fast development of Yunnan electric power system, tie line over-load has become an increasingly serious problem.
随着云南电网的迅猛发展，断面稳定输送功率越限问题日益突出。
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