研究了基于相关分析的暂态电流差动保护的原理与性能。
In this paper, the principle and performance of the new type of transient current differential protection based on correlation analysis are investigated.
暂态电流保护运行性能取决于母线等值电容的衰减特性。
Characteristics of transient protection depend on the damping properties of the bus capacitance.
这些新型电感器可在未硬饱和的情况下处理高暂态电流峰值。
The new inductors handle high transient current spikes without hard saturation.
测试中的暂态过电压、暂态电流最大值均未超过设计和规程允许值。
Measurement results show that the maximum values of the measured transient voltages and currents have not excessed the designed values and allowable values specified in the standards.
首先对采样的零序暂态电流信号做增强处理，然后利用小波包分析方法进行故障选线。
First the zero sequence transient current signal sampled is enhanced, and then the signal enhanced is decomposed by using wavelet packet analysis to realize faulty line detection.
提出了电力系统集成保护的方案，描述了一种基于暂态电流极性比较原理的多出线集成保护系统。
The paper presents the scheme of integrated protection and introduces integrated protection system based on transient current polarity comparison principle.
针对小电流接地系统单相接地故障定位的研究现状，提出基于非故障相暂态电流的单相接地故障定位的思想。
Combined with the research status of single-phase-to-ground fault locating for small current grounding system, a new idea based on non-fault-phase transient current is presented.
根据空心线圈电流传感器的工作原理，重点分析了它对电力系统暂态电流的响应情况，并结合具体参数进行了仿真。
Based on the operational principle of air-core coil transducer, its response to transient current is analyzed and computer simulation is carried out with specific parameters.
该算法考虑了RL电路中的暂态电流，假设暂态电流含有一个按正弦规律变化的周期分量和一个按指数规律变化的非周期分量。
RL circuit is taken into consideration, in which the transient current signal includes a period component varying in sinusoidal waveform and a non-period component varying in exponential waveform.
计算结果表明，电阻的热涨落强度对电流的暂态过程有很大影响。
The result showed that the thermal fluctuation intensity of the resistance have a great influence on the current transient process.
介绍了大型火电机组高压厂用母线切换时的情况，对大型异步电动机切换时的暂态过程进行了数学分析，介绍了减少切换时冲击电流的方法。
When the HV station service bus is switching, the transient of the large sized asynchronous motor is analyzed and a method of inducing the impulse current is introduced.
通过对两个串联的漏电电容器暂态过程的分析和计算，研究此过程中两个电容的电压、电流及能量的变化规律。
The voltages, the electric currents and the energies of two capacitors with leakage current connected in series are studied by the means of the qualitative analysis and the quantitative calculations.
在行波故障测距中，传统的数据采集系统无法适应采集高速变化的暂态电压、电流行波的要求，难以实现故障的精确定位。
In traveling-wave fault locating, the traditional data acquisition system can not record the fast-changed traveling waves of voltage and current for accurate fault locating.
本文采用镀铜铂电极和暂态恒电流阶跃的方法测得了铜物显（铜物理显影）体系的极化曲线。
The polarization curves of copper physical development (CuPD) system were obtained by transient constant current step method on copper plated platinum electrode.
从暂态电压和电流在配电网中传播的角度，分析了双向工频通信信号在配电网中的传输特性。
From the viewpoint of propagation of transient voltage and current in distribution network, the transfer characteristics of two-way power frequency signals in distribution network are analyzed.
提出了一种利用电磁暂态程序(EMTP)来计算雷击发生时建筑物内部金属框架上雷电电流分布的方法。
A method of calculating the lightning current distribution on the metal frame of building by using electromagnetic transient program (EMTP) was presented.
将提取的暂态零序电流故障特征作为条件属性，信号增强倍数作为决策属性，构成一个决策系统。
The extracted fault characteristics of transient zero sequence current is looked as condition attributes and the multiple of signal enhancement is.
推导出了考虑介质极化损耗和位移电流情况下暂态电场计算的数学模型。
A mathematical model of transient electric field is deduced, which takes dielectric polarization loss and displacement current into account.
因而用该算法可以非常容易地计算在高压远距离输电线短路故障的暂态短路电流。
With this algorithm the transient short circuit current of HV distant transmission line can be easily calculated.
高压输电线路发生故障后的暂态电压或电流分量中包含比工频分量更多的故障信息，充分利用这一信息是构成具有绝对选择性单端无通信保护的前提。
Moreover, it is the basis of constructing a new non communication protection through absolutely utilizing the fault information which is comprised in transient component of fault current or voltage.
对三相电容器的暂态过程进行了研究，提出采用接触器和小电流晶闸管组成混合开关，实现了合闸时无冲击电流及分断时无电弧。
This paper researches on three phase capacitor transients, presents a combined switch constructed of contactor and low current thyristors to realize non surge close and non arcing break.
利用暂态技术电流阶跃法对镍氢电池的正负极在放电过程中的电化学极化、浓差极化及欧姆极化进行了研究。
For identifying various electrode polarization during discharge of nickel metal hydride battery, a transient technique current step method was employed.
在比较励磁涌流和故障电流形成暂态信号各自特点的基础上，提出了一种变压器保护新方案。
Based on different characteristics of transient signals between the short circuit current and the inrush current, the transformer protection method is proposed.
讨论保护用电流互感器的暂态饱和及工程应用中的问题。
The transient saturation of protective CT and its application are discussed in this paper.
阐述了保护用小功率电流互感器的暂态特性，分析了暂态特性改进的方法，讨论了暂态面积系数。
The transient performance of small power protective current transformer(CT) is described, the improved method of transient performance is analyzed and the transient dimensioning factor is discussed.
光学电流互感器（OCT）解决了继电保护中传统电磁式电流互感器的饱和以及暂态精度低等问题。
Optical Current Transformer(OCT)resolves the problems of saturation and low transient precision created by electromagnetic current transformer.
全面描述了电流互感器复合误差、暂态误差的计算方法。
In this paper, the CT's complex error and transient error are introduced.
为防止在电流过零点附近发生的接地故障时的暂态量太小，论文提出利用电流增量进行故障选线。
When grounding fault happens at the time when current is zero, the transient value is too small, in order to prevent it, the paper brings forward the current increment method to select faulty line.
经对实际体系进行测定，并用交流阻抗法、旋转圆盘电极和恒电流暂态等多种测试方法进行验证；
The actual system has been measured and its results have been verified by methods of alternating resistance, revolution disc electrode and constant cur- rent temporary state.
经对实际体系进行测定，并用交流阻抗法、旋转圆盘电极和恒电流暂态等多种测试方法进行验证；
The actual system has been measured and its results have been verified by methods of alternating resistance, revolution disc electrode and constant cur- rent temporary state.
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