速断保护

将其与传统电流速断保护、电流闭锁电压速断保护及距离保护进行了比较，并对自适应电流速断保护性能进行了评价，阐明了其优越性及适用条件。

The comparison of AITP is presented with the conventional current instantaneous trip protection , voltage instantaneous trip with current blocking and distance protection , and the evaluation of AITP is made on its superiority and application conditions .

微机式自适应电压速断保护的研究

Research of microprocessor-based adaptive voltage instantaneous trip protection

本文介绍了舞钢90t电弧炉35kV供电系统存在的速断保护越级至炼钢总降配出开关柜跳闸的原因，解决问题的技术措施，实施过程及效果。

This article describes the cause of trip occuring in quick switching off protective override up to power distribution switch cubicle in the master substation dedicated to steel-making production , technical measures for solving problems , implementing process and effects .

根据海阳市现行110kV及以下变压器后备保护配置存在的不足，阐明了增设中、低压侧限时速断保护的必要性与迫切性，并提出了对电磁型变压器保护增设该保护功能的可行性方案。

According to the existing shortages in backup protection configuration for transformer of 110 kV and below , the necessity and urgency of adding dead-line instant protection at medium and low voltage sides are explained and its feasible scheme of electromagnetic transformer protection is proposed .

无时限电流速断保护灵敏度校验分析

Sensitivity Checked Analysis of Quick Break Protection Without Time Limiting Current

瞬时电流闭锁电压速断保护整定计算原则

Discussion on Setting Calculation Principle of Current and Voltage Protection

基于自适应控制的微机电流速断保护的研究

Research of Current Instantaneous Trip Protection Based on Adaptive Control

变压器限时速断保护的加装和整定分析

Installation and setting analysis of time-limited quick-break protection for transformer

增设变压器限时速断保护的必要性和可行性

Necessity and Feasibility of Dead-Line Instant Protection for Transformer

大电流接地系统中自适应零序速断保护

Adaptive Zero-Sequence Trip Protection in Ground Neutral System

馈电线路速断保护

The fast tripping protection of feeder line s

含逆变型分布式电源配电网自适应电流速断保护

Study on Adaptive Current Instantaneous Trip Protection Scheme for Distribution Network with Inverter Interfaced DG

自适应电流速断保护分析

Analysis of adaptive instantaneous trip current protection

对自适应电流速断保护的评价

Evaluation of Adaptive Current Instantaneous Trip Protection

对自适应电流速断保护中实时计算系统参数的算法进行了研究。

The algorithm of correlative system parameters of adaptive current instantaneous trip protection is studied .

自适应电流速断保护在油田配电网的应用研究

The Study on the Application of Adaptive Current Fast-trip Protection in Distribution System of Oil Field

建立了典型断路器控制回路和电流速断保护仿真数学模型。

A typical breaker 's controlling circuit mathematical model and an instantaneous cut-off current relay-protect simulation model are also obtained .

基于短路功率方向和通信方法的自适应电流速断保护

Adaptive current instantaneous trip protection ( ACITP ) based on the orientation of short-circuit power and the way of communication

电容器的前段保护有限时电流速断保护、过电流保护、过电压及低压保护。

The former section of condenser protect limited current speed break to protect pass current to protect , overvoltage and low pressure protect .

在总结前人已有的整定计算原则基础上，结合实际工作经验，提出了一种新的瞬时电流闭锁电压速断保护整定计算原则。

Based on the old principles and writers ' experience , a new setting calculation principle for current and voltage protection is proposed .

通过严格的理论推导，论证了自适应电流速断保护不仅适用于单回线运行方式，同样适用于双回线或环网运行方式。

Strict theoretical deduction shows that adaptive current fast-tripping protection can be used not only on single-circuit line , but also on double-circuit line .

根据传统电流速断保护的原理，得到了不同电流保护接线方式下，传统电流速断保护的保护范围。

The protection range of traditional fast tripping current in different connection modes can be decided according to the fast tripping current protection theory .

通过实例计算证明并不是所有并列运行的双回线路都适于装设横联差动及和相电流延时速断保护装置；

Concrete example calculation shows that not all parallel interlock differential and phase current delay trip protection are suitable for application in all parallel dual loop lines .

由于电弧电阻非线性、时变性、高阻的特点，使得常规原理馈线保护中的阻抗保护、电流速断保护往往不能正确动作。

For the arc resistance is nonlinear and high , the conventional feeder protections , such as impedance protection and current protection , maybe fail to trip off .

由于合环开关两侧母线电压存在电压幅值、相位差等原因，使合环操作中产生过大环流，引起过流保护或速断保护误动。

For the difference of bus voltage , the closing loop operation of distribution network will generate large loop current and impact current , which would affects the safety .

本综合数字继电器主要实现了以下功能：瞬时速断保护、限时速断保护、定时限和反时限的三段电流保护、低压保护等保护功能；

This integrated digital relay mainly realized the following function : instantaneous break-off protection , limit break-off protection , two type time-limit three-stage current protection , low-voltage protection etc ;

研究了自适应电流速断保护中实时计算系统等值参数的一种傅氏算法。提出了用于功率因数校正时主要储能元件参数的计算方法。

The algorithms of real-time calculating system parameters are studied for adaptive current fast-tripping protection of power system . The calculating method to identify the system parameters is recommended .

此整定原则以正常偏大方式整定电流、电压定值，其目的是在保证保护可靠性的前提下，增大瞬时速断保护的保护范围。

The new principle calculates current and voltage setting values , which are greater than normal values , to increase protection scope under the condition of assured protection reliability .

电流速断保护只能保护线路全长的一部分，其保护范围以外的区内故障需要通过延时由限时电流速断保护甚至定时限过电流保护来切除。

The instantaneous overcurrent protection can only protect a part of the line , the other internal fault can only be protected by the time delay instantaneous overcurrent protection and definite time overcurrent protection .

在设备保护方面，主要对发电机的欠压保护、过压保护、过载保护、逆功率保护和变压器的电流速断保护和过电流保护作了阐述。

On the aspect of equipment protection , low-voltage protection , high-voltage protection , over-load protection and reverse-power protection are adopted for the generator , and instantaneous current protection and over-current protection are adopted for the transformer .