Analysis on influence of ground electrode current in HVDC on AC power network.
直流输电系统接地极电流对交流电网的影响分析。
They provide system security and immediate reliable low level ground fault detection on three-phase AC resistance grounded or grounded electrical distribution systems.
此类继电器能够增加系统安全性，并对三相交流接地电阻或接地配电系统进行可靠的低级接地故障检测。
Cesc Fabregas and Emmanuel Adebayor were on target as Arsenal became the first English club to beat AC Milan on their own ground.
因为阿森纳成为第一支在米兰主场取胜的英国球队，阿德巴约和法布雷加斯成为了瞩目焦点。
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