Development and Application of Automatic Tracing Device for Parallel Damping Resistance Arc Suppression Coil 并阻尼电阻消弧线圈自动跟踪装置的研制及其应用
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
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
The approach is designed a group of temperature controlled switch circuit which control whether the parallel resistance is activated or not. Temperature signal is come from bridge voltage signal which is power supply by constant current source. 技术途径是设计一组温控开关电路来控制并联电阻器是否接入,温度信号来源于恒流源供电下的传感器桥压信号。
The automatic tracing device for parallel damping resistance arc suppression coil newly developed adopts the secondary indirect join-in method for its parallel damping resistance, which can effectively compensate single-ground capacitance and current and prevent effectively the arc from grounding over voltage. 新研制的并阻尼电阻消弧线圈自动跟踪装置,其并联阻尼电阻采用二次间接接入方式,它既能把单相接地电容电流有效地补偿掉,又能有效地防止电弧接地过电压。
The method for selection of the value of parallel resistance is also described in the paper. 文章还给出了并联电阻值的选择方法。
It is suggested that the influence of the system impedance and the parallel resistance on power frequency recovery voltage should be characterized by means of the "first pole to clear factor of main break" and the "voltage distribution factor of main break". 提出可用主断口首开极因数和主断口电压分配因数来表达系统阻抗和并联电阻对首开极主断口工频恢复电压的影响。提出了表示主断口恢复电压特征的判据,并给出了计算方法。
This paper proposes a method to detect the location of stator ground fault for a generator, whose neutral is grounded via the distribution transformer with a parallel resistance at secondary winding. 提出了一种针对中性点经配电变压器高阻接地的发电机定子单相接地故障定位方法。
This paper discusses a kind of method which does not have any controlled source, but it can directly use the formula of series or parallel resistance to confirm the output resistance of the amplification circuit-Curtailed Theorem Method. 文章中讨论了一种不再含有受控源,可直接应用电阻的串、并联公式确定放大电路输出电阻的方法&缩减定理法。
Taking the parallel connection resistance model, a theoretical description of the MR effect in heteroepitaxial diamond films is presented by solving the Boltzmann transport equation in the relaxation time approximation. 通过求解弛豫近似下的Boltzmann方程,利用并联电阻模型,研究了P-型异质外延金刚石膜的磁阻效应。
It could not be ignored that the system impedance have an influence on recovery voltage of main break when the value of parallel resistance across the main break is close to the value of system impedance. 当低值并联电阻的阻值和系统的阻抗值相近时,就不能忽略系统阻抗对主断口恢复电压的影响。
Since it is hard for the available gauge of AC 4 Pole Method to measure the soil of high resistivity, two methods of expanding the measuring range are set forth in the paper, namely, Pole-Distance ( PD) regulating and Parallel Resistance ( PR) regulating. 由于现有的交流四极法仪表难以在高电阻率土壤中进行测量,为此,提出了两种扩大四极法测量电阻率范围的方法,即极距调整法和并联电阻法。
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。
In addition, the conception of parallel network resistance heat generation has been applied to deal with the non-uniform internal heat source item. 同时用并联网格电阻发热的概念处理非均匀内热源项。
This paper presented a method of determining low QM and K, of piezoelectric ceramic material by measuring parallel capacitance Cp or parallel resistance Rp of equivalent circuit of piezoelectric ceramic vibrator. 本文提出了测量压电陶瓷振子的等效电容或等效电阻确定低QM压电陶瓷材料的QM和K1的方法。
This paper has completed the hardware with double power source and parallel balance resistance circuit, resolved the problem of software controlling current, real time controlling the test and realized computer operated the test device automatically. 本文通过采用双电源供电及并联平衡电阻回路等方法,完善了硬件装置,并且成功解决了软件控制调流和稳流、试验运行实时控制等软件方面的问题,实现了试验装置的自动化操作。
In this paper, we use parallel resistance sequence to test multipath of missile. The testing system is based on PXI bus, VI technology and query technology. 文中提出了一种利用并联电阻测试导弹通路的方法,应用PXI总线、虚拟仪器技术和软件查询技术搭建了测试系统。
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
Except the high voltage circuit breaker with parallel resistance and ZnO arrester which are used to eliminate the switching overvoltage, in recent years the phase control high voltage circuit breakers are increasingly widely applied abroad. 近年来国外用以抑制操作过电压的装置除并联电阻的高压断路器及氧化锌避雷器以外,相位控制高压断路器日益得以广泛应用。
Study of arc extinguishing coil with parallel resistance earthing 消弧线圈并电阻接地方式的研究
At the same time, a comparison is made among the parallel resistance model, Steinmetz equation and Rayleigh relation model. It is found that among these three models Steinmetz equation is the most accurate one to calculate the core loss of the magnetic component. 此外,将并联阻抗模型与Steinmetz方程和Rayleigh关系模型加以比较,发现三个模型中Steinmetz方程较为精确;
Effect of parallel resistance and photo-current versus positive biased voltage on fill factor of integrated a-Si: H Solar Cells 并联电阻及光电流随正向电压变化对a-Si:H集成太阳电池填充因子的影响
Recovery voltage of main break with low value parallel resistance 带有低值并联电阻的断路器主断口的恢复电压
The decrease of Voc results from the decrease of parallel resistance ( R_ ( sh)) or the increase of dark saturation current ( I_S). V(oc)的下降是由于并联电阻R(sh)的减小或暗饱和电流Is的增加造成。
The test system of the rotating motor output shaft is established by means of resistance strain gauge method; parallel resistance method is applied to calibrate the test system; at last the servo control system is used to inspect the test results. 采用电阻应变片法建立了旋转电机输出轴的测试系统,并应用并电阻法对测试系统进行标定;最后通过伺服控制系统对测试结果进行检验。
The method of connecting a parallel resistance to transition section is proposed. 理论分析结果表明,通过在过渡段加上一个并联电阻的方法可以很好地解决二极管的预脉冲问题。
Extract parameters including: reverse saturated current, diode ideal factor, series resistance and parallel resistance. 需要提取的参数包括:反向饱和电流,二极管的理想因子,串联电阻和并联电阻。
After electron irradiation, the series resistance ( Rs) of solar cell increase, while the parallel resistance ( Rsh) decreases as the electron fluence increases. But for proton radiation, the change of Rs and Rsh is not obvious. 经电子辐照后,太阳电池的串联电阻增加,并联电阻减小;而在质子辐照后,串并联电阻变化不大。