The uses, operating principle and main requirements of the current transformer for differential relay with high impedance were described.
叙述了高阻差动继电器用电流互感器的用途、工作原理和主要要求。
The oil flowing relay is the important prot of the cooling system of power transformer.
油流继电器是大型电力变压器冷却循环系统的重要部件。
Modeling and faults calculation in the new converter transformer are the bases of research on operating characteristics, relay protection and fault diagnosis of the new converter transformer.
新型换流变压器建模和故障计算是新型换流变压器运行特性研究及继电保护、故障诊断的基础。
This paper discussed the reliability problems of relay protection of a station transformer distribution system and expounded the form of the distribution system and with relation to its calculations.
讨论了厂用变压器配电系统继电保护的可靠性问题,论述了配电系统的组成和与其相关的各种计算。
An integrated-circuit transformer differential relay including secondary and fifth harmonics suppressor is designed.
设计了一种集成电路型具有二次五次谐波制动的变压器差动继电器。
Most of iron-core inductance coils are used in electrical circuit, such as transformer, relay, etc.
电气线路中多采用带铁芯的电感线圈如变压器、继电器等。
Traditional Current sensor is current transformer, which can be classified into two categories: used in surveying and relay protection.
传统电流传感器就是指电流互感器,包括测量用电流互感器和保护用电流互感器。
The negative sequence distance relay gets free from the winding connection of the transformer. So it is the best choice to use the kind of the distance relays for the transformer backup protection.
负序距离继电器的行为与变压器绕组的接线无关,所以它是作为变压器后备保护的距离继电器的最佳选择。
Reliability of reverse-power relay is of immediate effect on the secure operation of large and medium generator-transformer units.
逆功率继电器的可靠性直接关系到大中型发电机变压器组的安全运行。
When rectifier transformer is matched with gas relay, "light gas" signal and "critical oil temperature" signal are connected in parallel;
当整流变压器配用瓦斯继电器时,“轻瓦斯”讯号和“临界油温”讯号并联;
Variable distribution equipment, high and low power switchgear, transformer, breaker, relay, switch;
建筑供配电设备、高低压开关柜、变压器、断路器、继电器、各种开关等;
The controller case includes stepping motor, self-coupling voltage regulator, alternating-current contactor, relay and micro-transformer.
控制柜主要包括步进电机、自耦调压器、交流接触器、继电器以及微型互感器等。
Analyse the problems of electromagnetical relay used in transformer substation, inroduce system configuration of transformer substation reform , characteristic of technology.
分析了变电站原用电磁式继电器存在的问题,综合自动化改造的系统结构,技术特点。
This paper proposes the important of several questions of the current transformer (ta) and connect group of it's secondary circuit in the transformer differential relay.
本文了变压器差动保护中电流互感器TA及其联接组的若干技术问题的性。
According to the calculation result and features of low percentage interturn fault, the general characteristic selection for percentage differential relay of transformer is suggested.
最后根据轻微故障的特点提出对变压器比率差动继电器通用特性选择的建议,供同仁参考。
The paper introduced the innovation to old relay protection system in 35KV transformer station of coal mine, the relay protection system was replaced with RCS-9000 series computer monitoring system.
介绍了矿区35kV变电站采用R CS-9000系列微机监控系统替换老式的继电器保护装置的改造。
The protective relay setting calculation is the safe operation foundation of the electrical equipments in the power plants and transformer substations.
继电保护整定计算是发电厂、变电站电气设备安全运行的基础工作。
In this paper, a protective circuit for power supply of lasers without the use of low-voltage transformer and relay is presented.
本文介绍了一种不用低压变压器和继电器激光电源保护电路。
The experiment of relay protection is significant for students to learn and master the principle of transformer differential protection.
继电保护实验对学生理解和掌握变压器差动保护的原理十分重要。
The utility model belongs to a welding holder type controller used for controlling the on-off of a welder, mainly comprising a transformer, a contactor, a relay and a switch indicator circuit.
本实用新型属于一种控制焊机启闭的焊把式控制器,其主要由变压器、接触器、继电器、开关指示电路所组成。
The way of installing QJ-40 gas-pressure relay and the oil injection craftwork of transformer are key influencing factors.
气体继电器安装方式和全密封变压器注油工艺是主要影响因素。
Abstract: This paper proposes the important of several questions of the current transformer (ta) and connect group of it's secondary circuit in the transformer differential relay.
摘要:本文阐述了变压器差动保护中电流互感器TA及其联接组的若干技术问题的重要性。
So distinguishing between magnetizing inrush current and fault current correctly is the key to ensure transformer differential relay to operate credibly.
因此,正确识别励磁涌流是保证变压器差动保护可靠运行的关键。
Include X/Y cap, Inductor and Transformer, Fuse, Relay, Connector, Insulation.
继电器、连接端子、绝缘材料等数十种安规器件。
Include X/Y cap, Inductor and Transformer, Fuse, Relay, Connector, Insulation.
继电器、连接端子、绝缘材料等数十种安规器件。
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