Study of arc suppression coil grounded system with medium resistance Research on Minimizing Detent Force of Linear Permanent Magnet Brushless DC Motor 中性点经消弧线圈并联中值电阻接地方式的研究一种减小动圈式永磁无刷直线电动机磁阻力方法研究
Discussion on Grounding Way of Iron and Steel Plant's Distribution System Neutral Point Through Low Resistance Grounding via Arc-suppression Coil in Transient Parallel with Line-selecting Resistance 浅谈钢铁企业配电系统中性点小电阻接地方式探讨消弧线圈瞬时并联选线电阻的接地方式
Research on grounding method of arc-suppression coil with parallel or serial resistance and ground-fault protection principle 消弧线圈并串电阻接地式与接地保护原理研究
Study of a Neutral Grounding Method with an Arc Suppression Coil and a Parallel Low Resistance 中性点经消弧线圈瞬时并联小电阻接地研究
A coil of low resistance and high inductance used in electrical circuits to pass direct current and attenuate alternating current. 在电路中让直流电通过削弱交流电的低电阻高感应系数的线圈。
For example, a resonator's equivalent circuit elements or a coil's self inductance, lead resistance, and stray capacitance can be easily obtained. 举例来说,谐振器的等效电路元件或线圈的自感,导致抵抗力,以及杂散电容,可以很容易获得。
Transformer Coil DC Resistance Test and its Result Analysis 变压器线圈直流电阻测量及结果分析
Grounding via Arc-suppression Coil in Transient Parallel with Line-selecting Resistance 探讨消弧线圈瞬时并联选线电阻的接地方式
A Fault Line Selection Method for Small Current Neutral Grounded System by Arc Suppression Coil with Parallel Medium Resistance 采用消弧线圈并联中电阻的小电流接地系统故障选线方式
Development of Device of Arc Distinction Coil with Paralleling Buffer Resistance 并阻尼电阻消弧线圈装置的研制
The main reason for the temperature drift is theoretically analyzed which lies in the temperature coefficient of the coil resistance, and then a new compensation method utilizing non-inductive winding is presented and illustrated in an example; 理论分析出导致传感器温度漂移的主要原因在于线圈电阻的温度系数过大,因此提出采用无感线圈进行补偿的方法,并给出了设计实例;
The Theoretical analysis result shows that the coil number and the integral resistance have great influence on the sensitivity and bandwidth of the current sensor. 理论分析表明:线圈匝数及积分电阻对传感器的灵敏度、带宽影响最大。
Using the function signal generator, characteristics of the sensor amplitude and frequency were studied by changing the coil number and integral resistance value and the optimum value of coil number and integral resistance were obtained. 利用信号发生器,通过调节线圈匝数和积分电阻试验研究了传感器的幅频特性,得出线圈匝数及积分电阻的最佳值。
This paper proposes a four terminal measuring method of the hot line coil resistance and temperature raise. 提出一种四线制测试带电绕组电阻和温升的方法。
Accurate Measurement of Electromotor Coil Resistance in Testing Water Pump 水泵测试中电机绕组电阻的精确测量
Self-integral Rogowski current coil is used parallel sampling resistance in the out-port, and is selected the small magnetic conductivity copper or aluminum as the generatrix to be measured. 自积分式罗果夫斯基电流线圈是在输出端并联一的采样电阻,并选用磁导率小的铜或铝作为与线圈配合的待测母线。
The program has taken into account not only the choosing of the optimal size for the pulsed magnets but also the effect of the temperature rise due to coil resistance on the pulse width. 此程序不仅考虑了如何确定线圈的最佳几何尺寸,同时还考虑了脉冲电流在磁体中由于电阻而产生的温升对脉宽的影响。
Application of Arcing Suppression Coil with Parallel Resistance in Urban Distribution Networks Earthing 消弧线圈并联电阻接地在城市配网中的应用
Starting from single coil, the inductance and resistance of the single coil are first got, and then according to the real composition of respective loop, loop parameters are calculated. 从单个线圈出发、先得到单个线圈的电感及电阻参数,然后根据各回路的实际组成情况,用相关线圈的参数来计算回路参数。
Study of arc extinguishing coil with parallel resistance earthing 消弧线圈并电阻接地方式的研究
The paper introduces the principle, functions, structure of a new type device of arc distinction coil with paralleling buffer resistance. 介绍了一种新型的并阻尼电阻消弧线圈装置的原理、功能、结构。
The experiments indicate that compared automatic tune extinction coil earthing, the small resistance earthing has no obvious advantage. 实验表明,小电阻接地与自动调谐消弧线圈相比,没有明显的优越性。
The current states of neutral point grounding modes applied in Wuhan regional MV distribution network are investigated, which include compensation coil grounding system, low resistance grounding system and un grounding system. 分析了武汉地区中压电网中性点接地方式的现状,包括经消弧线圈接地、小电阻接地及不接地方式。
Secondly, emphasize researching composing of the distributed measurement and control system, the theory of testing and methods of measurement about the water-pump flux, pressure, axial power, rotate speed, and the electromotor coil resistance. 其次,着重探讨了分布式测控系统的构成和水泵流量、扬程、轴功率、转速以及电机定子绕组电阻的测试原理与测量方法;
The magnetic core Rogowski Current Coil should reduce inner resistance as far as possible. 带磁芯的罗氏线圈应尽可能减小线圈内阻。
The results show that, the influences of extinguishing coil compensation, transition resistance and load dissymmetry as well as load characteristic on this method is very small. This method has good usability and compatible on fault line detection and location. 结果表明,本文的方法受消弧线圈补偿度、过渡电阻、负荷不对称性以及负荷特性等因素的影响很小,是一种具有良好实用性和适应性的选线和定位方法。
Arc grounding is a serious trouble threatening the safe operation of power distribution network. Arc suppression coil grounding or resistance grounding functions as protection, it can eliminate the power-frequency arc. 弧光接地过电压一直是威胁电网安全运行的严重隐患,中性点经消弧线圈或电阻接地的运行方式虽然在一定程度上起到保护作用,可消除工频电弧。
In the analysis of the effectiveness of defended measures, the arc suppression coil grounded system with resistance, which is proposed, is more effective. 在分析现有防护措施有效性的同时,提出了中性点经消弧线圈并联电阻的接地方式的改进措施。
The method of constructing zero-sequence is not influenced by the existence of Petersen Coil or the fault resistance. 此构造零序电流的过程不受中性点有无消弧线圈以及是否在故障点存在过渡电阻的影响。
The chapter also introduces the principle of the measurement of the variety of the coil resistance and the process of the modulation and demodulation of the defect signal. 本章还阐述了涡流线圈阻抗变化量测量的原理以及缺陷信号调制和解调的过程。