通过分析产生电流越限和电缆故障的各种原因，画出报警设计的逻辑图。
It shows the logic diagram of alarm design by analyzing reasons of current spillage and cable malfunction.
对系统总体设计方案进行了研究分析，硬件设计中详细介绍了控制回路的电流检测模块、电机转速和位置检测模块、PWM输出和故障输入电路。
The overall design scheme is researched. The hardware of current detection module, motor speed and location detection module and PWM output and fault input module is introduced in detail.
介绍了用示波器检查初级电流和次级电压波形，通过波形分析诊断出点火线圈的故障。
Through the analysis of the wave of primary current and sub-voltage detected by oscillograph, the malfunction of ignition coil will be diagnosed.
本文在对异步电动机常见电气故障机理分析的基础上，提出了利用定子电流法来诊断电机电气故障。
On the basis of analysing the common electric trouble mechanism of induction motor, the paper proposes making use of stator current law to diagnose the induction motor's electric fault.
针对集成电路测试中模拟和混合电路的测试问题，提出了一种基于小波分析的电流测试实现混合信号电路故障诊断的方法。
How to test the analogue and mixed-signal circuits has become very critical to the IC testing, a novel fault diagnosis method based on current testing is proposed for mixed-signal circuits.
深入细致地分析了谐波、间歇电弧、电流互感器、负荷、过渡电阻等多个因素对故障选线结果的影响，为方案的实用化奠定了基础。
The influences of several factors such as harmonics, intermittent arc grounding, ct, load and fault resistance have been thoroughly analyzed, therefore, it is fundamental work for its application.
本文对变频器的过电流跳闸和过载跳闸的故障原因进行了分析，并介绍了如何判断的具体方法。
This paper analyzed the reason of trip for over current and overload in VVVF. And introduced how to determine on these fault.
阐述了小电流接地系统接地的特点并对其故障现象进行分析、判断。
The characteristics of ground-fault of ungrounded system are given and the faults symptom is analyzed and judged.
从理论上分析了小型电站供电线路单相断线故障对发电机的影响，讨论了单相断线时发电机电流的计算方法并附有算倒。
This paper analyses the effects of the single-phase break fault of the supply line on the generators at the small-sized hydropower station.
分析了中性点接地电容器组内部故障时的内部过电压和相电流变化，并给出了相应计算公式。
This paper analyses the internal overvoltage and the phase current of grounded wye shunt capacitor bank when there are failures in it, and gives corresponding equations.
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。
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.
结合自动补偿电网的特征，对利用零序电流的附加有功分量进行单相接地故障选线进行了研究与分析。
The paper made research and analysis on the topic of faulted line selecting in an auto compensated distribution network in use of the active part of residual currents.
对航空直流起动发电机的电枢电流波形进行频谱分析可有效地对电机的故障进行检测和诊断。
Faults in aero starter generator by analyzing the spectrum of motor armature current could be effectively detected and diagnosed.
在分析瞬时功率频谱特性的基础上，提出了一种基于瞬时功率的变压器励磁涌流和内部故障电流识别新方法。
A new method, based on the analysis of frequency spectrum of instantaneous power, for the discrimination between internal fault currents and inrush currents in transformer is proposed.
随后利用电路理论对这种变压器的各种相间短路故障进行了分析，得到了各种故障情况下变压器高低压侧各相电流间的关系。
The relations between the currents of all phases and at both sides are drawn out by applying circuit theories and analyzing different inter phase short circuit faults of this kind transformer.
应用“多回路分析法”深入、详尽地计算了13 104种短路故障的全部分支电流的大小和相位。
The phase and the size of all branch currents of the 13,104 kinds of fault of short circuit were calculated thoroughly thorough " mufti - bop analysis ".
该文简要分析了在现场接线中存在的几种常见的保护死区故障，即：各类断路器与断路器电流互感器之间的死区故障。
In this paper, several common protection dead-zones that exist in the spot connection are analyzed briefly, including faults between circuit breakers and ct of circuit breaker.
通过对定子电流进行细化频谱分析，可以准确识别转子断条等一类故障。
Through the Zoom spectrum analysis of stator curr - ent. such defects as rotor bar break will be recognized.
给出了超导限流器的数学模型，着重分析了超导限流器限流电阻和故障检测时间对短路电流峰值、非故障线电压、超导限流器上的电压的影响。
The limiting resistance in SFCL and the fault detection time impact on peak value of fault current, line voltage of feeders without fault and voltage across SFCL are analysed.
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.
通过分析配电网馈线单一故障情况下，其故障点必位于两个相邻的开关之间。有故障电流和没有故障电流流过的开关，其FTU所采集的信息不相同。
In case a single fault occurs on a power feeder, the fault section must be between two adjacent switches, and the FTU information about fault currents passing through these switches must be different.
基于对异相短路的分析，发现两相电流故障分量波形呈现反向对称性，可利用相关分析法快速提取此特征。
The waveforms of the current fault component of two phases are symmetrical according to an analysis of wrong-phase-coupling. This characteristic can be quickly extracted by correlation analysis.
分析得到开路故障不会影响系统输出电压，但会明显影响单逆变器模块电感电流和输出电流。
The result is that open circuit fault does not affect output voltage of the system, but it apparently affects inductance current and output current of single module inverter.
基于小波变换的分析方法，提出了基于定子三相电流之间相位对称度检测的定子绕组匝间短路故障在线检测新方法。
Based on wavelet transform, a novel on-line detection method is presented, which is based on the detection of symmetry degree among the stator three-phase line currents phases.
在简要介绍直流接地过流保护原理的基础上，分析了换流变阀侧接地故障的故障特征以及换流阀换相过程对故障电流的影响。
By employing the DC earthed protection theory, this paper analyzes the characteristics of the converter transformer earth fault and the influence of converter commutation.
基于故障电流叠加原理，构造了电压跌落状态估计可观性分析的数学模型，合理地解决了部分故障路段不可观的问题。
Sag state estimation observability analysis is modeled and correlative modification method is proposed from the point of fault current superimposing firstly.
论文根据上述分析设计了基于故障分量采样值差动保护、故障分量相量差动保护、常规电流差动保护和零序电流差动保护自适应的保护方案。
The setting schemes of the resistance coefficient and the least trip differential current for the current differential protection based on sampled values using fault component are discussed.
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.
论文对驱动机构动作故障模式进行了分析，提出了基于电流波形特征分析的驱动机构故障诊断方法。
The dissertation analyzes the fault model of CRDM, and the diagnosis strategy of CRDM fault is proposed based on the characteristics of the electric current waveform.
论文对驱动机构动作故障模式进行了分析，提出了基于电流波形特征分析的驱动机构故障诊断方法。
The dissertation analyzes the fault model of CRDM, and the diagnosis strategy of CRDM fault is proposed based on the characteristics of the electric current waveform.
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