The system is divided of four modules: OD data processing module, single-point OD data processing module, regional OD integration modules, and OD matrix calculation module.
系统共划分为四大模块：OD数据处理模块、单点OD数据处理模块、区域OD合并模块和OD矩阵表计算模块。
This paper has derived calculating formulas of arbitrary two point faults in neutral non-grounded power system by bus impedance matrix. An example of calculation is carried out with IBM computer.
本文推导出用结点阻抗矩阵进行中性点不接地系统中任意两点异相接地故障计算公式，并编制程序在IBM机上调试通过，最后进行了算例分析。
This paper has derived calculating formulas of arbitrary two point faults in neutral non-grounded power system by bus impedance matrix. An example of calculation is carried out with IBM computer.
本文推导出用结点阻抗矩阵进行中性点不接地系统中任意两点异相接地故障计算公式，并编制程序在IBM机上调试通过，最后进行了算例分析。
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