根据一段时间运行试验数据可优化某些故障判据，逐渐完善系统。
The malfunction criterions of some parts can be improved by more experiment data to improve the whole system.
这样，就必须研究可能的故障模式，制定合理的故障判据，确保简单、准确、及时地判断火箭的故障。
To achieve this they must research into possible fault modes and set reasonable fault criteria so as to ensure brief precise and timely determining of faults of the rocket.
通过监测可测点工作电压利用所构建的故障阈值函数与故障判据来实现容差电路的故障在线检测。
By monitoring accessible node voltages, fault on-line detection is performed based on the proposed fault threshold function and fault criterion.
在详细分析相电流差突变量选相基本原理的基础上，对传统相电流差突变量选相元件三相短路故障判据进行了改进。
Based on the detailed analysis of basic principle, the traditional three-phase short-circuit criterion of phase selection element based on sudden-change of phase current differential is improved.
该方法用于在线监测、诊断桥式固态限流器整流桥桥臂故障，具有监测量更少、得到的故障判据更简洁等诸多优点。
This method can reduce monitoring points, get more concise criterions of fault types and has many other advantages when it is used to on-line monitor and diagnose SSFCL bridge arm fault.
主要介绍该试验方案中的关键内容：试验时间、失效(故障)判据、试验接收与拒收的判决准则的确定、试验结果的评估方法等。
This paper introduces the key contents: the testing time, the determination of failure criteria, acceptance and rejection criteria, and the evaluation of the testing result.
研究了基于模拟电路拓扑结构关系的故障可测性判据。
The fault testability criterion based on topological structure relationship of components in analog circuit was researched here.
通过现场测试总结并提出了一种易损减速器滚动轴承的故障诊断判据。
After site testing, we find a kind of problem diagnosing criterion for rolling bearings of damageable retarder.
提出了零序电流有功增量和零序电流幅值增量作为判据的故障点定位方法。
This paper also proposed a new fault locating method based on either the active component increment or the amplitude increment of zero-sequence current.
该判据可以对不对称的故障进行故障定位，这些故障包括单相接地故障、两相接地故障和两相短路故障。
The justifying conditions can be used to justify the location of faults, including single phase earthing, two phases earthing and two phases shorting.
而且该保护判据不受故障位置、故障电阻、故障类型和故障时刻的影响。
And this criterion cannot be affected by faults position, faults resistance, faults type and faults occurring time.
本文针对中压电网中经常发生的单相接地故障，介绍了基于暂态能量判据对故障支路的选线方法。
Focusing on single phase earth faults which frequently happen in medium voltage networks, this paper presents a faulty feeder selection system based on the transient energy criteria.
在此基础上，提出一种基于电流采样值相关度的变压器保护新判据，利用变压器两侧电流采样值波形的相关度来区分内部故障和外部故障。
Based on this, the paper presents a new transformer protection criterion to distinguish internal faults and external faults by correlation coefficients of sampled current values.
小电流接地系统发生单相接地故障时，故障线路与健全线路在特征频段内零序电流的相位差别是接地选线判据的重要依据之一。
The phase comparison between fault feeder and healthy feeder is one of important criteria in fault line selection for neutral non-effective grounding systems.
全面对比分析了全电流比例差动判据和故障分量电流比例差动判据的灵敏性和安全性。
The sensitivity and the security of the percentage differential criteria using phase current and superimposed phase current are studied comparatively.
各单一选线判据从原始故障数据中提取出各自需要的故障特征量并离散化。
The fault characteristic quantity with each selection method is extracted from the original data and discretized.
揭示了过去人们试图把定子电流中故障特征量的大小作为电机转子断条根数多少的判据的局限性，提出了把断条引起电机的不对称性作为电机故障程度判据的新的理论。
Finally, a new theory is proposed, in which the asymmetry of the motor induced by broken bars is taken as the criterion for determination of the degree of motor faults.
电力系统故障录波数据是电力系统故障分析和保护动作判据的重要依据。
The power fault recording data is the significant basis of fault analysis and protection action judgment in a power system.
本文研究了输电线路接地故障时的故障选相判据。
This paper studied the transmission lines when earthing fault fault phase selection criterion.
本文从选择诊断特征指标出发，探讨了利用散度指标建立齿轮故障诊断模糊判据的理论与方法。
The fuzzy threshold of gear faults for diagnosis is discussed in the paper based on mathematics. An example of creating the threshold using actual vibration signal is given for demonstration.
提出了一种基于线路分布参数的小电流接地系统的高精度故障模型，用于分析单相接地故障产生的暂态信号特征及进一步完善基于暂态信息的小电流接地故障选线判据。
Small Current Grounding Power System is widely used in power distribution network with middle and low voltage in china, and the single phase to ground fault takes place most frequently in such system.
提出了一种基于线路分布参数的小电流接地系统的高精度故障模型，用于分析单相接地故障产生的暂态信号特征及进一步完善基于暂态信息的小电流接地故障选线判据。
Small Current Grounding Power System is widely used in power distribution network with middle and low voltage in china, and the single phase to ground fault takes place most frequently in such system.
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