极化磁系统具有体积小、重量轻、功耗低、灵敏度高、动作速度快等一系列优点，被广泛应用于军用与民用电磁继电器产品中。
With the advantages of small size, light weight, low power dissipation and fast action, polarized magnetic system has been widely applied to military and civil electromagnetic relay.
由于零差保护的特殊性，零差继电器本身就是一只灵敏电流继电器或动作功率很小的电压继电器。
Due to the specialty, REF relay is a current relay with very high sensitivity or a voltage relay with very low acting power.
应经常检查高压直流电源内电流继电器，时间继电器的整定值是否正确，控制是否灵敏。
We should always check the high voltage DC power supply within the current relay, time relay setting value is correct, control is sensitive.
通过对该方法的研究，揭示了目前常用的基于故障分量的距离继电器的通用表达式与动作特性，对比了这几类距离继电器在可靠性与灵敏性上的差异。
By the research, the paper explains the essence and the character of several types of common-used fault-component based distance relay, compares their difference in the reliability and sensitivity.
继电器。线圈电压9VDC。足迹定期。无焊药。线圈灵敏度0.2W。职务版本2A。
Relay. Coil voltage 9VDC. Footprint regular. Flux free. Coil sensitivity 0.2W. Duty version 2A.
重要的是根据故障特征整定继电器的参数，既保证区外故障时的选择性，又在区内故障时获得足够的灵敏度。
It is important to set the parameters of the relay according to the fault characteristics. Thus the relay will get selectivity and sensitivity.
潜水泵漏水保护继电器又称小型综合保护器是专门用于检测潜水泵内水灵敏度的电阻及电机温度信号。
The submersible pump leakage protection relay, also known as small integrated protection is designed for detecting water sensitivity resistance and motor temperature signal.
本文提出了电力变压器内部相间故障的分析方法，比较了距离继电器及其他后备保护在此故障时的灵敏度。
In this paper the method of analyzing the phase-to-phase faults in power transformers is presented. The sensitivities of distance relays and other back-up protections during the faults are compared.
本文提出了电力变压器内部相间故障的分析方法，比较了距离继电器及其他后备保护在此故障时的灵敏度。
In this paper the method of analyzing the phase-to-phase faults in power transformers is presented. The sensitivities of distance relays and other back-up protections during the faults are compared.
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