按照同样方法，对串-串、并-串形式的馈电装置，导出了新的耦合裂缝匹配设计准则。
According to this method, a new matching criterion of coupling slots is derived for the series-series feeder and the shunt-series feeder.
针对现有馈电保护开关动作慢的缺点，设计了一种基于双控制器的矿井供电网络漏电检测装置。
To solve the disadvantage of slow action of existing feed protection switches, a leakage detection device for mine power supply network based on dual-controller was designed.
该装置在总馈电开关处的漏电保护装置使用附加直流电源原理，在分支馈电开关处的漏电保护装置使用零序功率方向式保护原理。
This device use the principle of additional DC power supply in main feeding switch, and use the principle of direction of zero sequence power in branch feeding switch.
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