差动继电器

LCD-4差动继电器的设计配合

Design coordination of LCD-4 differential relay

LCD-4型继电器为变压器差动继电器，差动保护误动不仅会给用户带来不必要的经济损失，甚至会影响到整个系统的安全运行。

LCD - 4 Relay is a differential relay of transformer . The false action of the differential protection not only can bring the unnecessary economy loss for users . but also influence safe operation of the whole electric power system .

BCH-2型差动继电器直流助磁特性的实验分析

Experimental Analysis on DC Additional Magnetic Features of BCH-2 Model Differential Relay

LCD-16差动继电器的系统接线与整定计算

System Wiring and Setting Calculation of LCD-16 Differential Relay

直流助磁特性能使BCH-2型差动继电器可靠地躲过外部短路时暂态不平衡电流的非周期分量及变压器空载投入时的励磁涌流，从而有效避免保护装置的误动作。

The DC additional magnetic features can make the BCH-2 model differential relay to avoid reliably from the exciting surge produced by non-cycle component of transient unbalanced current under external short-circuit and put-in of idle transformer in order to prevent the protective device from maloperation .

高阻抗差动继电器用电流互感器及其设计

Current Transformer for Differential Relay with High Impedance and Its Design

差动继电器谐波制动系数测试技术研究

Testing technology research of harmonic trig ratio of differential relay

本文就这几种差动继电器原理和特点进行分析和加以比较。

Their principles and characteristics are analyzed and compared in this paper .

比例制动和增量比例制动差动继电器的性能比较

Performance comparison of differential relays with rate restraint and fault component rate restraint

对一种基于神经网络的用于同步发电器的数字式差动继电器的试验

Experimental Testing of a Neural Network Based Digital Differential Relay for Synchronous Generators

几种母线保护差动继电器的比较

Analysis of some differential relays for busbar protection

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。

An integrated-circuit transformer differential relay including secondary and fifth harmonics suppressor is designed .

评标积制动式差动继电器

Comment on scalar product restraint differential relay

数字式比率差动继电器的通用特性

General characteristics of digital percentage differential relay

感应圆盘式比率差动继电器

Induction disc type ratio differential relay

关于数字式比率差动继电器

About digital percentage differential relay

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 uses , operating principle and main requirements of the current transformer for differential relay with high impedance were described .

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。

According to the calculation result and features of low percentage interturn fault , the general characteristic selection for percentage differential relay of transformer is suggested .

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。

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 .

分析结果对LCD4差动继电器的设计配合、整定计算及运行维护有一定的参考意义。

The connection polarity of differential current is also analyzed , results of which can provide some reference for service design , setting calculation and running attention .

差动继电器对电流进行比较，如果存在不同则表示受保护区域内有故障存在。

The differential relay compares the currents and picks up when there is a difference in the two , which signifies a fault in the zone of protection .

带永磁的差动式继电器的优化设计

Optimal design about the differential relay with permanent magnet

SIEMENS7UT51型数字式差动保护继电器中差动保护的整定计算

Setting calculation for differential protection in SIEMENS 7 UT 51 digital differential protection relay

电流平衡式差动电流继电器

Current balance type current differential relay