The formulas and methods which can be used to determine conveniently the force of the balanced device in various disconnectors and earthing switches with a vertical moving blade are presented.
对闸刀在垂直面上动作的各种隔离开关和接地开关，提出了能简捷地确定其所需平衡力特性的算式和方法；
The main methods used to reduce ELFE include electromagnetic field protection technology, driven shaft earthing system, drive shaft earthing system and electric field counteracting system.
电磁场防护结构工艺、被动轴接地系统、主动轴接地系统和电场抵消系统是目前降低舰船极低频电场的主要方法。
To solve the problem of locating the multipoint earthing of the transformer core, two novel methods, named as high-frequency method and travelling-wave method, are analyzed and compared in detail.
为对变压器铁心发生的多点接地故障进行准确定位提出了高频法和行波法两种检测方法，并对它们进行了较为详细的分析和比较。
The methods are proposed for selection of power, protection and earthing.
提出电源、防护及接地选用的方法。
The methods are proposed for selection of power, protection and earthing.
提出电源、防护及接地选用的方法。
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