Traditional TCRs compensate reactive power from high voltage side of transformer, so it demands highly of thyristor and its protection and measurement, thus the cost ofequipment is higher.
传统的TCR 型静止无功补偿装置都是在高压侧直接补偿无功,对串联晶闸管的特性以及绝缘、保护和测量都有较高的要求,装置的成本较高。
Aerospace series - elements of electrical and optical connection - Test methods - Part 704: electrical elements - Measurement of turns ratio on a transformer used in a coupler.
航空航天系列。电气及光学连接件。试验方法。第704部分:电气件。耦合器用变压器的匝数比测量。
All research above can provide valuable help for measurement of trace moisture in transformer pressboard.
通过以上研究可以为变压器绝缘纸板的微水分测量提供有利的帮助。
Application of optical transformer is a reformation for the traditional electric energy measurement device.
光学互感器的应用是对传统电能计量装置的一次革新。
This paper brings up a method called demagnetization dynamic measurement system for measuring the direct current resistance (DCR) of the transformer due to the characteristics of the windings.
针对变压器绕组直流电阻测试特点,提出了“消磁动态测试法”,将静态测量法与动态测量法有机统一起来。
The function and working principle of a digital analytic system for transformer impulse test measurement are introduced.
介绍了一种变压器冲击试验测量分析系统的功能及工作原理。
On-line PD monitoring of power transformer is Presently the research hotspot in the area of high voltage insulation measurement and diagnosis.
电力变压器局部放电在线监测是当前高电压绝缘检测与诊断领域研究的热点课题。
The vibration signals of core and winding measured from the transformer oil tank with vibration measurement system are investigated.
利用变压器振动测试系统,对在变压器油箱表面测得的铁心及绕组的振动信号进行研究。
Finally, combining programming measurement software together with data-requiring card and potential transformer circuit complete the measurement of three-phase voltage fluctuation and flicker.
最终混合编程检测软件、数据采集卡、电压互感器电路共同完成对电网三相电压波动和闪变的检测。
A new measurement method for transformer winding deformation is proposed on the basis of ultrasonic reflection principle.
根据超声波反射的原理,提出了变压器绕组变形检测的新方法。
On-line PD monitoring of power transformer is presently the research hotspot in the area of high voltage insulation measurement and diagnosis.
变压器局部放电在线监测是高电压绝缘检测与诊断领域研究的热点课题。
In this instrument the current comparer is set to zero magnetic flux, then the instrument transformer calibrator with the theory of measurement can measure the error of the current transformer.
仪器使电流比较仪处于零磁通工作状态,再利用互感器校验仪的测差原理测试被检电流互感器的误差,从而使互感器校验仪具有比较仪检定功能。
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。
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。
To ensure accurate measurement, must be in accordance with JJG1021-2007 "power transformer" and DL / T448-2000 "power metering device technical management procedures" for testing.
为保证计量准确,必须按照JJG1021-2007《电力互感器》和DL/T448-2000《电能计量装置技术管理规程》进行检验。
The measurement method of reactive power in traction substation, which main transformer is impedance-matching balance one, is discussed.
讨论了采用阻抗匹配平衡变压器的牵引变电所的无功计量方法。
In the no-load test of transformer, because of the low power factor and non-sinusoid current waveform, the high precision measurement is difficult.
变压器的空载试验中,由于功率因数低,空载电流不是正弦信号,高精度测量其有功功率具有一定的难度。
The voltage drop in the secondary wiring connecting the meters with the voltage transformer affects seriously the accuracy of measurement.
电压互感器至电能计量仪表之间二次线上的电压降,对计量精度有重要影响。
A power energy measurement and long distance meter-copy system is introduced according to the features of the temporary transformer station in oil field.
文章根据油田可移动临时变电所的特点,介绍了其电能计量远方抄表系统。
The device can be used for the regulation of the transformer and non-regulation of the measurement, the user can specify the measurement of any percentage of the measurement.
该装置可进行互感器的规程和非规程的测量,测量时用户可指定对任何百分点的测量。
Displacement transformer has been an important means of measurement.
位移传感器测量已经成为一种重要的测量手段。
Usually, power nanocrystalline current transformer cores are used in high voltage, high current generator factory, safe-quick measurement and protective relaying in power station.
通常,它们应用于高压、大电流发电厂和变电站安全快捷的测量和继电保护。
An accurate, quick and automatic measurement scheme is presented to solve the key problems in measuring DC resistance of main transformer windings.
针对牵引变压器绕组的直流电阻测量中的一些关键技术问题,提出了精确、快速、自动的测量方案。
Based on the measured voltage gain-frequency response characteristics, a practical approach for model parameters measurement of piezoelectric transformer was proposed in this paper.
本文基于实测压电变压器电压增益-频率响应特性,提出了一种实用的压电变压器模型参数的求解方法。
The transformer expounds the function of measurement system and enhances the t…
这种互感器扩展了测量系统的功能,提高了自动化水平。
The proposals for measurement of OLTC recovery voltage in transformer test and operation are made.
建议变压器例行试验和运行变压器应增加有载分接开关偏移电压测量项目。
The transformer expounds the function of measurement system and enhances…
这种互感器扩展了测量系统的功能,提高了自动化水平。
The transformer expounds the function of measurement system and enhances…
这种互感器扩展了测量系统的功能,提高了自动化水平。
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