Because complex wavelet transforms can exactly identify amplitude and phase information in signal to be dealt with, they are suitable for detection of fault signals in power system.
复值小波变换能准确分辨出信号中所包含的幅值信息和相位信息,因而,适用于电力系统的故障信号的检测。
The modules for power transformer fault detection and identification are developed with COM and fuzzy technology. Based on the modules, the fuzzy diagnostic system is design.
利用COM和模糊技术开发了电力变压器故障模糊检测和辨别模块,在此基础上设计了模糊诊断系统。
And the single phase grounding fault location for transmission line should be the emphases in power system fault detection.
因此输电线路的单相接地故障点定位应是电力系统故障检测的一个重点。
The protection of power system is quick detection and localization of fault in order to act rightly and clear out the fault.
电力系统的保护就是通过对故障进行快速的检测、定位,达到正确动作、消除故障的目的。
It has such function as data acquisition, data processing and fault diagnosis etc, can also show and print the detection data and the growth course curve of brake power.
它具有数据采集、处理和故障诊断等功能,能够显示和打印检测数据和制动力的增长过程曲线。
Analysis of the power cable fault causes and classification of the power cable fault detection methods implemented to ensure the smooth flow of power supply to ensure supply reliability.
文章分析了电力电缆故障的原因及分类,探讨了电力电缆的故障实行的检测方法,保证了电力供应畅通、保证供电可靠性。
This article proposed shunt current electric larceny fault detection model for electric energy meter 'current coil of the high voltage power metering system.
提出了高压电力计量系统电能表电流线圈分流窃电故障检测模型。
Aim at the issue of on-line detection and fault diagnosis of power transformer, a project of multi-sensor in-formation fusion combined with embedded network is proposed.
针对电力变压器在线监测与故障诊断问题,提出了基于多传感器信息融合与嵌入式网络相结合的解决方案。
A random resonance self-adaptive algorithm is stated and used for fault signal detection in medium frequency power supply with good result.
提出了一种随机共振自适应算法,并运用于中频电源故障信号检测,取得了较好的效果。
The overall hardware design scheme is performed, such as DSP 3. 3V power, voltage and current sampling module, IGBT driving circuit, I/O signal processor, fault detection module and COM circuit etc.
对系统硬件设计的DSP 3.3V电源的获取、电压电流采样模块、IGBT驱动、一般I/O信号的处理、故障监测和串口通信电路进行了研究分析。
Therefore it can be widely applied to fault detection, protection for power system and active power filter.
因此,它可应用于电力系统故障检测、保护和电力有源滤波器谐波电流检测中。
The ingredient-mixing process features dynamic rea1-time display, dynamic fault detection and automatic power failure protection.
配料过程具有动态实时显示、动态故障检测和停电自动保护等功能。
In addition, the intelligent controller includes the hardware watchdog circuits, fault detection circuit, a digital display circuit, and power supplies.
除此之外,伶俐地节制器包罗硬件监督者线路,差错发现线路,数传展览线路,和力气补给。
In electric power plants and substations, a detection of DC system ground fault was usually completed in hand manner, which is very much trouble and danger.
在发电厂和变电所内,直流系统接地故障的检测,过去一直采用手动方式来完成。
Without enhancing resolving power of anti-radiation seeker, a new anti-bait scheme, based on the technology of passive location, virtual seeker and fault detection, is given.
文中从另一个角度入手,在不提高反辐射导引头分辨率的前提下,基于无源被动定位技术、虚拟导引头技术以及故障检测技术给出了一种新的抗诱偏方案。
Fault detection on the traction power supply system mainly includes three steps: signal acquisition, signal processing and analysis, fault diagnosis.
对牵引供电系统进行故障检测主要包括三个步骤:信号采集、信号处理与分析、故障诊断。
The correct operation of relay protections largely depends on the correct detection of fault current in power system.
电力系统继电保护装置的动作正确性在很大程度上取决于故障电流转变的准确性。
So it is necessary to find some ways for the fault location detection. In the phase-to-earth fault power system, the value of zero-sequence impedance is directly related to the earth conductivity.
这样就降低了供电可靠性,故找出一种新思路使其能更准确有效地判断故障点具有重要意义。
So it is necessary to find some ways for the fault location detection. In the phase-to-earth fault power system, the value of zero-sequence impedance is directly related to the earth conductivity.
这样就降低了供电可靠性,故找出一种新思路使其能更准确有效地判断故障点具有重要意义。
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