母联

中阻抗母线保护母联CT接线的理论分析

The Theoretical Analysis on the Bus-coupled CT Arrangement for Moderate Impedance Busbar Protection

母联充电保护应用分析

Applied analysis of charge protection used by busbar connecting breaker

分别阐述了双母线微机保护中母联带单CT和双CT时，发生母线故障和死区故障时的保护逻辑，同时指出它们各自的优缺点。

This paper describes differential protection 's logic on busbar or dead-zone fault when coupler has one or two TAs , as well as their advantages and limitations .

从正常运行，区内、外故障，TA深度饱和，部分饱和，母联TA的使用等几个方面作了详细分析。

Detail analysis is given for normal operation internal and external fault , TA partial and fully saturation and bus coupler TA application .

本文还着重对母线保护中的一些辅助保护功能，如母联死区保护，TA断线，双母线的运行方式自适应等进行了研究。

This paper also highlights some auxiliary protection functions , such as Busbar-tie dead-zone protection , TA secondary cable-broken , adaptive duo-buses operation , etc.

如在母联死区保护中提出基于2组母联TA的保护原理，可解决死区故障时多跳一条母线的问题。

For example , the principle based on two sets of TA can solve problem tripping more than one busbar when faults occuring in Busbar-tie dead-zone .

针对现有的母联双CT交叉接线方式，提出一种能够正确判别是母线故障还是死区故障的方法，同时对母联死区故障的保护原理提出一种改进措施。

Aiming at present across connective mode of the coupler with two TAs , a scheme that can rightly judge busbar or dead-zone fault is presented and an improved method on protection principle of dead-zone fault is proposed .

PMH-150型母线差动保护对旁路兼母联主接线不适应部分的改进

Partial improvement of PMH-150 busbar differential protection when transfer CB acting as a bus-coupler

通过一例对许昌继电器厂PMH-114型中阻抗母线差动保护的故障排除，分析该装置母联切换回路的动作原理，提出正确的故障查找、分析方法。

This article by clearing the break-down of the relay , analyses the acting principle of the Subsection breaker of the PMH-114 middle impedance bus current differential relay made in Xu-chang Relay Factory and also suggests reasonable break-down searching and analysing methods .

微机母联电流相位比较式差动保护的反事故措施

The Anti-fault Countermeasures of Micro-bus-connected Current Phase Comparison of Differential Protection

母联备自投在南昌电网的应用

Application bus tie spare source automatic switch in NanChang gird

变压器单元双断路器兼作母联断路器接线方式的应用

Application of main electric connection of transformer-unit-dual-breaker also acting as bus coupler

母联断路器非全相且闭锁的原因分析及处理措施

Cause Analysis and Settlements on Main Circuit Breaker Open Phase and Locking

母联电流比相式差动保护的运行分析和完善

Analysis and Amendment of Bus Coupler Current Differential Protection

母线保护中母联死区故障保护逻辑的研究

Research of busbar protection 's logic on dead - zone fault of coupler

带负荷检验母联电流相位比较式母差保护接线

An on-load test to verify the bus coupler current phase comparative bus protection wiring

基于2组母联电流互感器的死区保护

Dead zone protection with dual busbar-tie current transformers

三进线二母联供电系统的电路设计

Designing circuit for three-input tow-connect power system

能解决线路和母联同时失灵的跳闸逻辑问题。

Last the problem of trip logic when line breaker and bus connection being failure at the same time is also solved .

采用无源滤波器治理谐波时，谐波电流会在母联断路器和各支路间流动。

When the passive filter is applied in harmonic suppression , the harmonic current may flow through the circuit breaker and filter branches .

自适应式主变、母联、联络线备自投实施方法及其动作原理的分析

The implementation method and the analysis of operation mechanism of self-adapting automatic thro-win equipment of emergency power supply of main transformer , bus-bar coupling and interconnection line

阐述了开关柜中受电回路、母联回路、馈电回路、电动机回路、无功补偿和控制电源的配置方案。

The configuration program of incoming loop , bus coupler circuit , feeder circuit , motor circuit , reactive power compensation and the control power in switchgear was described .

母联充电保护应用分析2断路器及母联兼旁路等各种不同的母线接线方式，在实际应用过程中，性能较稳定，但仍存在一些问题有待改进。

Applied analysis of charge protection used by busbar connecting breaker In its practical application , its performances are stable , but there are still some problems to be solved .

分析了母联电流比相式差动保护的工作原理及保护的不足，并提出了增设复压动作后备保护的完善措施，对提高系统运行的可靠性和经济性具有实际意义。

This paper analyzes working principle and deficiency of bus coupler current differential protection , proposes perfect measures through adding compound voltage back-up protection , it has actual significance for improving system reliability and economy .

通过对两起高压母联开关二次回路故障的分析、处理，强调日常对高压开关二次回路检查和定期维修的重要性。

By means of analysis and treatment to the secondary circuit faults of twice high voltage bus connection switch , emphasize importance to the secondary circuit checking of high voltage switch every day and periodic manintenance .

介绍了天铁水电厂通过可编程序控制器新技术，改造备用电源自动投入装置，实现对母联断路器的监测与控制，以确保用电设备安全、可靠、优质的供电。

The automatic input device of spare power is modified by means of PLC new technology , which to realize the supervision and control to mother - connected circuit breaker in order to supply power consumption device safely and reliably .

LFP&975专用母线保护采用了以差电流为总起动元件，以母联电流方向或两母线间序电压差值（方向·幅值）作为故障母线选择元件的工作原理。

Special bus protection LFP-975 has adopted the work principle that the difference current is taken for start component , and bus joint current flows direction or the different value ( direction · value ) of order voltage between two bus is regarded as the trouble bus selection component .

同时以界面铺张&硝酸银染色技术，对黑届锦蛇减数分裂精母细胞联会复合体（SC）的结构进行了亚显微观察。

With a combination of surface spreading and silver staining techniques synaptonemal complexes ( SC ) were studied with electron microscopy .

以表面铺展法制备棕色田鼠精母细胞联会复合体标本，经硝酸银染色作电镜观察.结果表明，在减数分裂前期IX和Y染色体的形态和行为同常染色体有明显差异；

The surface spread and silver stained preparation of spermatocytes of Microtus mandarinus have been analyzed by electron microscopy . The results show that behavior and morphology of X and Y chromosome is different from autosomal SC during prophase ⅰ of meiosis .

猕猴精母细胞联会复合体的银染色观察

Observation on Silver-stained Synaptonemal Complex in Rhesus Monkey Spermatocytes by Light Microscopy