But how to unblock the differential protection rapidly for the transferring fault from an external one to an internal one has become a new problem.
文中提出一种简单的解除闭锁的方法,具体做法是,在选定的计算区域,利用变压器两侧电流综合负序分量的最大值与差动电流的综合负序分量进行比较,不仅能准确识别区内、区外故障,而且对于转换性故障也具有较好的识别能力。
Distinguishing the transferring fault is one of difficulties for transformer differential protection.
转换性故障的准确识别是变压器差动保护亟待解决的难题之一。
Troubleshooting of Paper Rate Transition for ECG-6511
ECG-6511纸速转换故障分析
Research on Fault Diagnosis Methods for Rotating Machinery Based on Hilbert-Huang Transform;
基于Hilbert-Huang变换的旋转机械故障诊断方法研究
Research on Several Issues of Wavelet Transform in Rotor Fault Diagnosis;
小波变换在转子故障诊断中若干问题的研究
Studying and Application of Hilbert-Huang Transform in the Fault Diagnosis of Rotating Machinery;
Hilbert-Huang变换在旋转机械故障诊断中的应用研究
Research on Mixed Fault Diagnosis Based on Wavelet Analysis in Rotating Machineries;
基于小波变换的旋转机械复合故障诊断
Application of Wavelet Transform to the Diagnosis of the Rub-impact Fault in Rotating Machine;
小波变换在转子动静碰摩故障诊断中的应用
Research of Rotating Machinery Diagnosis Based on Wavelet Transform and GA
基于小波变换和GA的旋转机械故障诊断研究
Malfunction Analysis of Longitudinal Differential Protection When the External Single Ground Turns to Two-phase Ground
区外转换性故障时纵联差动保护动作行为分析
Research of Fault Diagnosis System of the Logic Transform Device of the Flight Control System
某飞控系统逻辑转换装置故障诊断系统的实现
Analysis of the breaker rejecting movement accident caused by a spring mechanism manual/electromotion changeover switch fault
一起弹簧机构手动/电动转换开关故障引起的断路器拒动事故分析
The Fault Diagnosis Rotor System by Combining Wavelet Transform and Hilbert-Huang Transform
小波变换及Hilbert-Huang变换在转子系统故障诊断中的应用
Research on Rotor System Rub-impact Fault Diagnosis Technology Based on Wavelet Transform;
基于小波变换的转子系统动静部件碰摩故障诊断技术研究
Application of Wavelet Analysis and Hilbert-Huang Transform in the Rator Fault Signal Processing;
小波分析和Hilbert-Huang变换在转子故障信号处理中的应用
Fast failure detection scheme for OBS links based on BFD
基于双向转发检测协议的光突发交换链路快速故障检测方案
Research on vector fractional fourier transfom to rotary machinery fault diagnosis
基于矢分数阶傅立叶变换的旋转机械故障诊断方法的研究
Application of Park’s Vector Rotating Transformation for Stator Fault Diagnosis in Induction Motor
派克矢量旋转变换在感应电机定子故障诊断中的应用
To function improperly.
发生故障运转不正常
Research on Failure Mechanism and Feature Extraction Technology of Rotating Machine;
旋转机械故障机理与故障特征提取技术研究
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