高压输电线路发生故障后的暂态电压或电流分量中包含比工频分量更多的故障信息，充分利用这一信息是构成具有绝对选择性单端无通信保护的前提。
Moreover, it is the basis of constructing a new non communication protection through absolutely utilizing the fault information which is comprised in transient component of fault current or voltage.
在连续大电流区间获得稳定的熔滴过渡形式才是采用无氦混合气体保护实现高熔敷率MAG焊工艺的核心问题。
It is the key to realizing high deposition rates MAG process with non-helium in shielding-gas mixture to acquire stable metal transfer mode in the region of high continuous current.
利用非传统电流互感器无饱和的优点，将瞬时值电流差动保护原理应用到分布式母线保护计算中。
The principle of instantaneous current differential protection is applied in the calculation of distributed busbar protection, which takes the advantage of unsaturated current transducer.
无熔丝开关，压缩机超压，过热，过电流保护超温保护，风机过载保护，保险丝，干烧保护器，缺水保护。
No fuse breaker, over pressure, over heat and over current protectors for compressor, over temp. protector, over load protectorof fan, dry heat pr techto.
保护功能有三段过电流保护、反时限过流保护、三相一次检无压自动重合闸等。
The protection functions include three-section over-current protection, inverse-time over-current protection, three-phase one-shot no-voltage auto-recloser and so on.
保护功能有三段过电流保护、反时限过流保护、三相一次检无压自动重合闸等。
The protection functions include three-section over-current protection, inverse-time over-current protection, three-phase one-shot no-voltage auto-recloser and so on.
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