In this paper, parameter estimate algorithms is used to diagnose the burst fault in power system of carrier rocket.
文中研究了参数估计的方法在运载火箭动力系统突发故障诊断中的应用。
It is the precondition for protection's correct operation to verify PT breaking in time, which is a common fault in power system.
PT断线作为电力系统中一种常见的故障，能否及时有效地进行判别，是继电保护装置正确动作的前提条件。
It is suited to be used not only in general complex fault but also in the complex fault including interline fault in power system.
它不仅适用于一般复杂故障的计算，还适用于包括同杆多回线跨线故障在内的复杂故障计算。
In this program the voltage and current of simultaneous faults or unbalanced power system are calculated by solving the simultaneous equations of multi-port network and of the fault boundary.
本程序应用多端口网络方程和故障端口边界方程联立求解的方法，计算电力系统各种多重故障及任意不对称运行的电压和电流。
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。
In a drive system of power transistor inverter-motor, not only can it be used in fine control of motor current waveform, phase, amplitude and frequency, but can also be used to sense, fault current.
在大功率晶体管逆变器——电动机驱动系统中，它不但可用来对电动机电流的波形、相位、幅值和频率进行精细控制，而且能快速地检测出故障电流。
The research of ferroresonance has the practical value of fault analysis and controls in the power system.
该研究在电力系统铁磁谐振的故障分析和处理上具有一定的实用价值。
But the line selection device base of these fault line selection principle, didn't have the reliability and veracity of apply in the power system.
但是根据这些故障选线原理制造的选线装置，还不具备在电力系统中推广应用的可靠性和准确性。
Because of the important state of the equipment of substation in power system, it is very necessary to process condition monitoring and fault diagnostic to gain high operating reliability.
由于变电站设备在电力系统中的重要地位，因此对其进行故障诊断，提高其运行的可靠性，是十分必要的。
Based on a kind of radar power universal testing system, this paper introduces the modeling mechanism of UML and its application in development process of the software that tests the power fault.
本文以某型雷达电源通用测试台系统为例，介绍统一建模语言uml的建模机制及其在电源故障检测软件开发过程中的应用。
The improved BP algorithm added momentum item and chaotic mapping was adopted in fault diagnosis of power supply system based on chaotic neural network.
基于混沌神经网络的供配电系统故障诊断，采用引入动量项和混沌映射的改进BP算法。
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 voltage vector diagram is a very useful method that can make a qualitative analysis of the steady values of power system in normal and fault conditions.
定性地分析电力系统正常运行状态和故障后的稳态量时，电压相量图法是十分有用的工具。
To this end, the paper research about complex fault diagnosis method based on the flexible SCADA in power system.
为此，论文对基于柔性SCADA系统的电力系统复杂故障诊断方法进行研究。
The monitoring and fault diagnosis system for large-scale rotary machinery is largely applied in many fields such as power plants and chemical plants.
大型旋转机械的在线监测与故障诊断已在石化、电力等行业获得了广泛的应用。
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。
Common mode failure is a frequently occurred fault mode in the power system reliability evaluation.
共模故障是电力系统可靠性评估中常见的一种故障模式。
The signal injection method is widely used for automatic selecting fault line in indirectly earthed power system, which has great effect in the system of single-phase ground fault.
注入信号法是一种效果较好的选线方法，其原理广泛应用于小电流接地系统单相接地故障的自动选线。
The Detecting Technique of Electrostatic Discharge is applied mainly in electrostatic hazard protection, fault diagnosis in high voltage power system.
静电放电探测技术是静电危害防护、高压电力故障诊断等领域的关键技术。
Data communication is important for a digital fault recorder in a power system.
数据通讯在电力系统微机故障录波装置中地位举足轻重。
Fault location is a difficult problem to solve in power system.
线路故障定距一直是电力系统重要而难于解决的课题。
In high-middle voltage power system, the current setting of the charge-protection always bases on the fault current in the minimal operation mode, and the break should be snapped action.
在高中压系统，充电保护电流定值是按躲过最小运行方式故障电流整定，并要求瞬时动作；
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。
The paper investigates applications of neural network and wavelet transform in power system, which provides necessary and reliable base of applications of fault location in distribution system.
本文对神经网络和小波分析在电力系统中的应用进行了研究。为其在配电故障测距中的应用提供了必要的和可靠的研究基础。
The automatic alarm system in some thermal power plants will send out monotone alarm ring or buzz with the fault points blinking on CRT screen in response to the alarm information.
部分火电厂计算机控制系统中的自动报警系统在出现报警信息时发出单调的警铃或蜂鸣器声音报警，CRT画面上故障点闪亮。
Aiming at users requirements and the tendency of power system, the fault information processing system is researched in detail and the existing systems shortcomings are pointed out.
本文指出了现有电力故障信息处理系统的不足，针对用户要求和电力系统发展趋势，对电网故障信息处理系统进行了深入地研究。
A fault diagnosis expert system which was designed for dust collection and transportation system in power plant was introduced with its principle, structure and functions in detail.
以燃煤电厂电除尘器和气力输灰系统为研究对象，介绍了电除尘器和输灰系统故障诊断专家系统的功能、结构和研制原理。
Single phase broken line and two-phase broken line are two faults easy too see in power system, which account more in all broken line fault.
单相断线和两相断线是三相电网中最常见的两种故障，占纵向不对称故障的绝大多数。
Instead of traditionally local or small system simulation, the fault is set into the simulation system for the whole power plant in normal operation so as to analyze the trend of relevant parameters.
在故障工况仿真中摒弃了以往只进行模块局部仿真或小系统仿真的作法，将故障置入正常运行的整个电厂仿真系统中，查看并分析相关参数变化趋势及影响。
Instead of traditionally local or small system simulation, the fault is set into the simulation system for the whole power plant in normal operation so as to analyze the trend of relevant parameters.
在故障工况仿真中摒弃了以往只进行模块局部仿真或小系统仿真的作法，将故障置入正常运行的整个电厂仿真系统中，查看并分析相关参数变化趋势及影响。
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