The partial discharge signals were gathered by a united detective system of UWB method, pulse current method and UHF method. 局部放电信号用超宽带(UWB)脉冲电流、脉冲电流和特高频(UHF)联合检测系统获取。
Fundamental principle and Design Method of Coil with Magnetic Core for Measuring High Pulse Current 带磁芯脉冲大电流测量线圈的基本原理和设计方法
In this paper firstly the corona pulse current is theoretically researched; 首先对电晕脉冲电流进行了理论研究;
The results show that the wave pattern of pulse current determines on the frequency range of harmonic wave and the distribution of energy of pulse current among the frequency range. 结果表明脉冲电流的波形关系到谐波的频域及能量在其频域上的分布。
A Data Acquisition System of Corona Pulse Current of Insulators in EHV Transmission Lines 高压输电线路上绝缘子的电晕脉冲电流采集系统
With pulse welding function, the pulse current and time, basic current and time are adjustable independently, and user can select best parameters for welding different materials. 具有脉冲焊接功能,其脉冲电流、时间和基值电流、基值时间分别可调,用户可以选择最佳的参数配合进行不同材料的焊接。
The research progress in Tsinghua university in nano-crystallization of Bulk Metallic Glasses ( BMG) treated by high density pulse current is simply reported. 同时介绍了清华大学在大块非晶合金高强脉冲电流晶化研究中取得的进展。
Prepare and Research on a Pulse Current Hard Anodic Oxidation Film for Aluminum-copper Alloy 铝铜合金脉冲硬质阳极氧化膜的制备与研究
The effect of high-voltage pulse current on the vitality and reproduction of pine wood nematode was investigated. 研究高压脉冲电流对松材线虫活力和繁殖的影响。
In this paper, the pulse current method for detecting partial discharge ( PD) is analyzed, and the PD test circuit was discussed. 笔者详细分析了电流互感器局部放电的检测方法-脉冲电流法,以及局部放电检测的试验回路。
The Pulse Current Analysis of The Bridge Rectifier for The Low Power Compact Fluorescent Lamp Only 小功率节能灯专用桥式整流器的脉冲电流分析
Research of Energy-feedback and Constant Voltage Clamp Bipolar Pulse Current Source; Modeling and Double Circle Small Signal Analysis of Active-clamp Forward-flyback Converter 馈能型恒压钳位双极性脉冲电流源的研究有源钳位正激变换器双环小信号建模分析
Pulse Quantitative Determination in Partial Discharge Detection Using Wide Bandwidth Pulse Current Method 宽带脉冲电流法局部放电检测中的脉冲定量
In this paper, the pulse interference transmissive function was tested on computer power supply with the method of pulse current injection. 本文中采用脉冲电流注入方法,对计算机电源进行了脉冲干扰传输函数测试。
The performances of battery such as internal resistance, activation time, large current discharge and pulse current discharge capacity, ect. 介绍了在缩短激活时间、降低内阻、提高电池大电流工作能力和脉冲放电能力等方面取得的进展。
Use the basic principle of the corona pulse current method, designed a convenience takes on-line monitor for the insulator string. 运用电晕脉冲法的基本原理,设计出一种便携式的绝缘子在线检测仪。
Anti-fatigue effect of percutaneous stimulation with different frequency pulse current on hepatic region: an experimental study with rats 不同频率脉冲电流经皮刺激大鼠肝区增强抗疲劳能力的实验研究
Influence of Pulse Current Frequency on Matrix Transformation of Ductile Iron 脉冲电流频率对球墨铸铁基体组织转变的影响
Oblique crack arrest of super hardness aluminium alloy specimens by pulse current discharge 超硬铝合金试件中斜裂纹脉冲放电止裂
The Solidification Microstructure and Properties of Silver Alloy by Electrical Pulse Current 脉冲电流对银合金凝固组织和性能影响
Loss-free resistor ( LFR) generates great pulse current because of the switching process, and its equivalent resistor is also time variable. 无损电阻由于开关元件的存在而产生很大的电流脉冲,其等效电阻也是时变的,这严重限制了无损电阻的应用。
Study on the Mechanism and Process of Pulse Current Hot Joining of Alloys 脉冲大电流热焊接合金的机理和工艺研究
Partial discharge detection system based on very wide bandwidth pulse current method 基于甚宽带脉冲电流法的局部放电检测系统
A quantitative analysis for dynamic stability of a set of superconducting partial torus in a fusion reactor under a pulse current over a stationary current is given. 对于聚变反应堆中超导载流磁体在稳态电流基础上受到脉冲电流影响时的动力稳定性给出了定量分析方法。
On a Broadband Pulse Current Sensor For Partial Discharge Monitoring of insulation of HV Equipment 高压设备局部放电监测用宽频电流传感器的研制
A low? cyanide bright gold plating process with pulse current was developed. 开发出一种低氰脉冲光亮镀金工艺。
Discussion on Principle of Vibrating Feed and Pulse Current for Improving ECM Accuracy 振动进给、脉冲电流提高电解加工精度的探讨
When high frequency pulse current is applied to CC billet, the centerline pipe and centerline crack in the billet are eliminated, and the central segregation and central crack are reduced. 进行了连铸工业试验,效果明显:铸坯中心缩孔和中心裂纹被消除,中心偏析和中间裂纹也得到降低。
Study of heavy pulse current data acquisition system for electromagnetic driver 电磁驱动器放电电流数据采集系统设计
Study on Measurement Technique of the Driving Pulse Current of Fast Z-pinch 驱动快Z箍缩的脉冲电流测量技术研究