In addition, inside structure of ballast water tank is very complex, shield effect to protective current also becomes a key problem in cathodic protection design.
另外压载水舱内部结构复杂，“屏蔽效应”对保护电流分布的影响也成为阴极保护设计中的关键问题。
The transient performance of small power protective current transformer(CT) is described, the improved method of transient performance is analyzed and the transient dimensioning factor is discussed.
阐述了保护用小功率电流互感器的暂态特性，分析了暂态特性改进的方法，讨论了暂态面积系数。
An "Overcurrent relay" is a type of protective relay which operates when the load current exceeds a preset value.
过电流继电器是继电保护装置的一种，当负载电流超过整定值时，继电器动作。
Selection of ground current, comparison of isolation level and consideration of protective device in the resistance ground system are presented.
介绍了电阻接地系统中，接地电流的选取，绝缘水平比较，保护配置方面的考虑。
Current transformers are commonly used in metering and protective relays in the electrical power industry.
电流互感器通常与电流表、控制电路、保护继电器配套使用。
In order to reduce the power cut off which caused by electric shock accident and earth-fault power cut off, it must install residual current operated protective device.
低压供用电系统中为了减少发生人身电击事故和接地故障切断电源时引起的停电，必须加装剩余电流动作保护装置。
The focus of current research also focuses on heme decomposition products of cell protective effect.
目前研究的焦点也主要集中于血红素分解产物的细胞保护作用。
For impressed current protective system, its technological advances in design and installation are given.
对于外加电流保护系统，介绍了其设计、安装等方面的技术进展。
This paper introduces the parameter selection, installation, grounding mode of low-voltage power grid and construction method of residual current operated protective device.
文中详细论述了剩余电流动作保护装置的参数选用，安装要求，低压电网接地方式及安装施工要求等。
The paper introduces the principle of switch power which is composed by current control type PMW UC3842 and analyzes the shortage of protective circuit and proposes an improving idea.
本文介绍了以电流控制型脉宽调制芯片uc 3842构成的开关电源的原理，分析了其保护电路的缺陷，并提出了一种改进的思路。
The constituted elements of the current protective device have three type:electromagnetic, transistor and also microcomputer.
电流保护的构成元件有电磁感应型，晶体管型，微型机。
The paper analyses the importance of software design technology, and aiming at the shortage of current protective device software development, shows that the paper's research is necessary.
本文首先分析了软件设计技术的重要性，针对当前继电保护装置开发中的一些软件开发缺陷问题，说明了本论文研究的必要性。
This paper introduces a new current protective device based on PLC by analysis the character of the current protective.
通过分析电流保护的特征，设计了一种新型的采用PL C 为核心的电流保护装置。
At present, the proposed method has been successfully applied in WXH-803 digital optical fiber current differential protective device.
目前，该方法已成功应用于WXH- 803数字式光纤电流差动保护装置。
It is concluded that the laser constant current source made of the synchronously adjustable tandem constant current tube has high constant current characteristic and protective property.
结果表明，用同步可调恒流管串联式电路制作的激光器恒流源具有很好的恒流特性和保护性能。
The phase comparison error is the primary factor leading to mistaken action in the selective leakage protective system of underground LV networks based on zero sequence current direction.
在基于零序电流方向原理的矿井低压电网选择性漏电保护中，比相误差是导致保护误动的主要因素。
WJJL1 intelligence over current relay is a typical electronic apparatus which has over current, short circuit, over voltage, under curent, phase faults and starting failure protective functions.
WJJL1智能过流继电器是典型的电子、电器技术相结合的产品。具有过电流、短路、缺相、过欠压、欠电流、相失衡及启动故障等保护功能。
In the same protective cabinet the main and back microcomputers realize integral protection or main and back computer protect individually with 1 voltage inductor and 1 current inductor.
在同一个保护柜内主、后微机一体保护或主、后微机分体保护，用1组电压互感器和1组电流互感器。
In its current, rotor-less state, the inside of the circular, protective blade housing is filled with UV-stabilized polycarbonate (as pictured below).
在其电流、转子少的状态，在循环里面，保护叶片外壳充满紫外线稳定的聚碳酸酯(如下图所示)。
Big leakage current and make the enter into protective status frequently.
产生大漏电流，引起变频器频繁保护。
The results show that compared with DC, SWPC can achieve the same protective property with less average current consumption, and has much higher protective efficiency.
结果表明，实验条件下脉冲电流阴极保护与直流阴极保护相比，二者的保护度相当，而脉冲电流阴极保护有更小的平均电流消耗和更高的保护效率。
Calculated book is the parameter, short-circuit current and protective to worth surely to carry out calculation.
计算书主要是对设计中的参数、短路电流及保护的整定值进行计算。
Differential relay a differential relay is a protective device that is fed by current transformers located at two different series points in the electrical system.
差动继电器作为保护装置，差动继电器由位于系统中两个不同位置的电流互感器提供反馈信息。
This paper introduces the logical control protective and monitor system of the lower hybrid current drive (LHCD) high-voltage power supply based on PLC and PROFIBUS.
本文介绍了基于PLC与现场总线的低混杂波高压电源逻辑控制保护监控系统。
They must take the appropriate protective measures in order to avoid over-voltage and over-current generated by the transmission lines of communications equipment and personnel hazards.
因此必须采取适当的保护措施以避免因过电压及其所产生的过电流对传输线路、通信设备和人员造成的危害。
The differences and relation between the residual current monitor, residual current operated circuit breaker and residual current operated protective relay were introduced.
介绍了剩余电流监视器与剩余电流断路器、剩余电流继电器的区别和联系。
A protective circuit is serially connected between a controlled current source and a power operation processing circuit.
所述的受控电流源与功率运算处理电路之间串接保护电路。
This paper compared and analyzed right and wrong practices of residual current protective devices in the selection and installation, etc., some considerations in application are proposed.
该文对剩余电流保护器在选型和安装等方面，进行正确与错误做法的对比分析，提出应用中几点注意事项。
This paper compared and analyzed right and wrong practices of residual current protective devices in the selection and installation, etc., some considerations in application are proposed.
该文对剩余电流保护器在选型和安装等方面，进行正确与错误做法的对比分析，提出应用中几点注意事项。
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