In order to lower contact voltage and cross voltage around switch device to insure operation safety we also take some measures such as using voltage balance net with sizes 3m × 3m block stone asphalt concrete grouting layer on ground etc.
采取3m×3m均压网、块石、沥青混凝土 地面填层等,以降低配电装置范围内的接触电压与跨步 电压,保证运行安全。
Through this product the voltage of the fans and the current of the two-stage electric motor can be collected and transferred to the ground dispatching station from long distance for the purpose of making rational dispatching .
通过该产品可以采集对旋式风机 电压以及两级电机的电流,并远程输送 到 地面调度站,以便合理调度,具有很高的应用价值。
When a fault occurs on one phase of a 3-phase 4-wire system the other two phases rise in voltage relative to ground ( about 20 % ) .
当故障发生在3相4线系统中的一相时,其它两相的 对 地 电压就升高(约升高20%)。
A new sensor to detect the voltage traveling-wave is designed in this paper . It can measure the current traveling-wave from CVT to ground . The incipient times of traveling-wave appearing in every station are measured and a new fault location system for the whole grid is implemented .
该文利用测量电容式电压互感器(CVT)的 入 地电流行波来检测线路 电压行波,设计了行波传感器,提出了硬件行波波头检测方法,并应用于基于整个电网的行波故障定位。
To meet the demand of the standard P well CMOS process a new type of current summing Bandgap voltage reference has been proposed . The circuit can output a stable voltage relative to the ground and can offer multi voltage references .
为满足标准P阱CMOS工艺要求,设计了一种新的电流求和型Bandgap电压基准电路,实现了 相对于 地的稳定 电压输出,并且能提供多电压基准输出。
Small Current Grounding Power System is widely used in power distribution network with middle and low voltage in china and the single phase to ground fault takes place most frequently in such system .
我国中 低压配电网广泛采用小电流接地系统,该系统发生单相 接 地故障的几率最高。
There is voltage to ground between ground part of electric equipment and point of zero electric potential of earth .
电气设备的接地部分与大地零电位点之间存在 对 地 电压。
The carbon block consists of two electrodes spaced so that any voltage above the design level is arced from line to ground .
碳块中有两个彼此间隔的电极,任意高于设计标准的 电压都可以跨过电线入 地。
Analysis and discrimination of voltage to ground reduction in two phases in small grounding current system
小接地电流系统两相对 地 电压降低现象的分析与鉴别
Further analysis of single-phase ground fault other than the failure of the formation process and the failure process of voltage and current wave recording records and found that most of the short circuit between phases is also due to the initial single-phase ground fault evolved .
进一步分析单相接地故障以外的故障的形成过程,以及故障过程中 电压、电流的录波记录,发现大多数相间短路也是由于最初的单相 接 地故障发展而来的。
The leakage current can be determined by applying a known voltage and measuring the current between either path to ground or path to path .
通过施加一个已知的 电压,然后测量通路 至 地或通路至通路的电流,即可确定漏泄电流。
Ground of Low - voltage Distribution System and Protection to Ground Fault
低压配电系统的接地方式及 接 地故障的保护
Searching Bars with Breakthrough Faults to the Ground in Stator Winding Insulation of Turbogenerators by the Method of Voltage to the Ground
对 地 电压法查找发电机定子线圈主绝缘对地击穿故障线棒
Non-direct grounded neutral system has been widely used in low and medium voltage distribution system in some countries and the single phrase to ground fault is the main one of this kind of system .
中性点非有效接地系统被广泛应用于我国中 低压配电网络,在此系统中单相 接 地故障是主要的故障类型。
In medium voltage network when phase to ground voltage appears asymmetry and some phase voltage rises the iron core of PT becomes saturated its excitation inductance decreases when to match the capacitance of the system ferroresonance occurs .
在 中压 配电网中,当系统 对 地电压出现不对称且某些相电压升高时,PT铁芯出现饱和,其励磁电感减小,当与系统对地电容达到匹配时发生谐振。
In 6 ~ 35kV distribution networks the resonance grounding system with automatic track compensated peterson coil is being applied more and more widely . The characteristics of voltage and current in single phase to ground faulty system are analyzed .
在6~ 35kV供配电系统,中性点经过自动跟踪补偿的消弧线圈接 地的谐振接地方式得到了越来越为广泛的应用。
The DYL device is a kind of linear element able to work at any voltage between 0-3 volts with high resolution to signals . This gives a good ground for the realization of the ten-valued logic circuits with high information density .
DYL器件是一种线性元件,它可以工作于0~3V范围内的任意 信号 电压, 对信号的分辨率极高,为实现高信息密度的十值电路提供了方便条件。
A Zero-module Voltage Measurement Method for Single Phase to Ground Fault of Non-solidly Earthed Overhead Lines
架空线路小电流接 地故障零模 电压信号获取新方法一种转速信号测量和相位信息获取的方法
A high quantum efficiency low time walk compensated low work voltage and fast response time single photon avalanche diode was applied to the system besides the establishment of a portable calibration system and three new near ground targets .
主要是采用了量子效率高、 能 自动补偿、时间游动小、快响应的单光子光电雪崩二极管和一套便携式激光测距校准系统,以及建立三个 近地标准靶等。
For an ungrounded neutral low voltage power system in mine its insulance ( r ) capacitance ( C ) and leakage resistance ( R ) to the ground are three important parameters in determining the zero sequence voltage .
对于中性点不接地的矿井 低压电网,其 对 地绝缘电阻r,电容C和漏电电阻R,是决定零序电压的3个重要参数。
Transient recovery voltage in breaking test for double line to ground fault occurred in different phase and in different side of circuit breaker
关于异相接 地开断试验的瞬态恢复 电压
对地电压