对大规模交直流网络下的高压直流控制保护系统进行参数优化设计，是保证灵活交流输电系统暂态性和稳定性良好的重要手段。
The optimal design of HVDC control and protection parameters in the case of large-scale ac and DC power system network is a valid measure to ensure achieving good transient and stable performance.
通过对24脉波换流站进行精确建模，将换流站两侧的直流网络和交流网络联系起来，运用交直流潮流迭代计算的方法计算地铁供电网络的潮流分布。
AC network with DC network are also combined in a AC-DC iterative power flow calculation program through the detailed model of 24-pulse bridge rectifier.
为了解决舰船电力系统主网多电站短路电流的计算，根据其直流网状网络的特点，给出了一种有效的短路电流计算法。
According to the characteristics of naval DC meshy network, a simple and effective short current calculation method is given.
为了解决舰船电力系统主网多电站短路电流的计算，根据其直流网状网络的特点，给出了一种有效的短路电流计算法。
According to the characteristics of naval DC meshy network, a simple and effective short current calculation method is given.
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