In the transformer fault diagnosis, the fault can be reflected by different characteristic signal from different side, due to complexity of fault reason and phenomenon of power transformer.
电力变压器发生故障的部位多，故障原因、现象复杂，在故障诊断中，可以通过变压器不同方面的特征信号从不同侧面来反映变压器的故障。
The high voltage transformer steps up the output signal from the generator to the level needed to generate the discharge of desired intensity.
高电压互感器步骤的输出信号从发电机所需的水平，以产生理想的放电强度。
A set of phase compensation methods based on the signal transfer principle of electronic transformer is presented.
根据电子式互感器的信号传输原理，提出了一套相位补偿方法。
The system can measure the harmonic in HV power network, and avoid the problem of harmonic measure signal distortion caused by capacity type voltage transformer (CVT).
应用该测量系统测试高压电网中的谐波，可以避免因高压电网中取自电容式电压互感器（CVT）的谐波测量信号失真的问题。
Use is made of that zero-sequence transformer outputs a voltage signal when phase-failure occurs in three-phase induction motor.
这种新方法的基础是零序变压器在三相异步电动机断相时输出一个电压信号。
In this paper, the principle of core vibration was described, and a method extracting cores vibration signal without operating transformer at no load condition was introduced.
本文介绍了变压器铁心振动的起因，提出了一种不必空载运行变压器即可取得变压器铁心振动信号基频成分的方法。
Electromagnetic voltage transformer and capacitance divider are usually used to get voltage signal in power system.
目前电力系统电压信号的采集，大多采用电磁式电压互感器和电容式分压器。
The optical fiber transformer based on an optic electric conversion with low noise gains voltage measurement accuracy of 0.2%, satisfying the requirements of transient signal measurement.
基于低噪声光电探测电路设计的光纤电压互感器可获得0 .2 %的电压测量精度，并满足暂态信号的测量要求。
The voltage transformer used in power system usually adopts electromagnetic configuration whose output signal can't be directly used by electronic apparatus without further transformation.
电力系统对电压的测量主要采用电磁式电压互感器，需进行二次变压，才能将电网上的信号变为电子测量装置可用的信号。
Besides, it is able to send temperature signal to the remote control center to synchronously display the transformer oil temperature.
同时能将温度信号远传到控制中心，同步显示变压器油温。
In this paper, a method extracting cores vibration signal with operating transformer at on-load condition was introduced.
文中提出了一种不空载运行变压器取得变压器铁心振动信号基频成分的负载电流法。
Two methods, which are called as a small test-signal injection and the differential transformer, are studied in order to detect the rotor displacement without sensor.
研究了转子位移无传感器检测的两种方法，即小信号注入测试法和差动变压器测试法。
As for the current system of monitoring the status of transformer, there are some more surveying values to research, such as the oil gas value and the signal of local discharge.
当前的变压器状态监测系统中，研究得较多的监测量是：油气量和局部放电信号。
The combiner can not only receive and handle the digital signal from many collectors but also the analog variable of current and voltage provided by the electromagnetic transformer.
合并器除了可以接收并处理来自多个采集器的数字信号外，还可以接收并处理电磁式互感器提供的电压、电流模拟量。
Current transformer TA1: providing primary current measurement and primary current over-current signal.
电流互感器TA 1：提供一次电流测量和一次电流过流信号。
The signal output end of the triode can also be connected to the primary of the horizontal output transformer.
三极管的信号输出端亦可接到行输出变压器的初级。
UC3846 is used for PWM, pulse transformer driven by bridge can transfer signal and power for IGBT in main circuit, quick protection is necessary for short circuit often happen during brush plate.
本文采用UC 3846作为PWM发生器，桥式驱动的脉冲变压器既保证信号的传输，又保证足够功率驱动全桥逆变主电路。对于经常发生短路刷镀刷镀工艺，快速过电流保护非常必要。
Putting the three-phase lines and middle line of the electrical circuit through the zero current transformer, the residual current signal will be converted into the voltage signal.
将电气线路的三相线及中线通过零式电流互感器后，零式电流互感器会把剩余电流信号转换为电压信号。
T3 on sampling signal panel is sampling transformer, which can convert primary voltage (0 ~ 380v) of primary transformer into 0 ~ 10v AC voltage.
取样信号板上T3为取样变压器，将整流变压器一次电压(0 ~ 380v)变为0 ~10v交流电压。
The feature extraction of partial discharge signal of transformer is the front research project in online monitoring and diagnosing high voltage insulation failure.
大型电力变压器局部放电信号的特征提取是电气设备绝缘在线监测及故障诊断技术领域的前沿研究课题。
In order to protect the instrument and the experimentalist when the transformer tank vibration signal is on-line measured, a set of optical transmitting system is designed in this paper.
在线测量变压器器身振动信号时，为保护后续仪器以及人身安全，设计了一套光电传输系统。
Gave the intelligence to monitor the transformer substation control system the hardware electric circuit, the software design procedure and the signal procedure design.
给出了智能监控变电站控制系统的硬件电路、软件设计程序和通信程序设计。
Signal conditioning circuit AD698 for Linear Variable Differential Transformer (LVDT) is introduced, and the application of this circuit can greatly simplify the circuit design.
介绍ad698型线性位移差分变压器(LVDT)专用信号调理电路，应用ad698可简化电路的设计。
When rectifier transformer is matched with gas relay, "light gas" signal and "critical oil temperature" signal are connected in parallel;
当整流变压器配用瓦斯继电器时，“轻瓦斯”讯号和“临界油温”讯号并联；
Line frequency hum, primarily induced by imbalance in the filament circuit wiring, the transformer used to power the filament, coupling into the signal leads, etc.
市电频率Hum，主要原因包括灯丝线路走线导致的不平衡；供给灯丝的电源变压器（缺陷）导致电源杂波耦合进入信号通道，等等。
PowerCommand Networks use Manchester Encoding that makes the signal insensitive to polarity. The signal is transformer-coupled to the network data wire at a rate of 78 KBPS.
PowerCommand网络利用Manchester编码使信号不受极性影响，信号通过变压器传送到网络数据线的速度是78 KBPS。
The transformer transforms a differential radio frequency (RF) signal to a single-ended RF signal.
所述变压器将差动射频(RF)信号变换成单端RF信号。
The transformer transforms a differential radio frequency (RF) signal to a single-ended RF signal.
所述变压器将差动射频(RF)信号变换成单端RF信号。
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