Design of virtual calibrator for instrument transformer.
一种虚拟互感器校验仪的设计。
Resorted its ascendant characteristic, it can take place of the traditional electromagnetic instrument transformer.
光电互感器凭借其优越的性能将逐步取代传统电磁感应型互感器。
The principle and structure of optical instrument transformer are introduced, the remain issues in the research are also discussed.
概述了光电电压互感器、光电电流互感器的原理、结构及研究中存在的问题。
The reason of chromatographic abnormality in instrument transformer oil is analyzed. The cautions to put additives in transformer oil are presented.
分析了互感器中变压器油色谱异常的原因，指出了在变压器油中加入添加剂应审慎。
Work begins with the improvement of volt-ampere characteristics of voltage instrument transformer, to ensure that saturation phenomenon does not appear.
从改善电压互感器伏安特性着手，使电压互感器在运行中不出现饱和现象。
This thesis introduces the digital instrument transformer test set based on wave analysis. And it emphasizes on discussing its theory and realization method.
介绍了一种基于波形分析的数字式互感器校验仪，着重论述其测差原理及实现方法。
A new virtual calibrator for instrument transformer is presented. A phase difference correction method is applicable to correct electronic instrument transformer.
介绍了一种新型的虚拟互感器校验仪，它采用相位差校正法解决了校验电子式互感器的问题。
The structure and characteristic of OET700 series electronic instrument transformer are introduced. Its test results and operation in electric system are presented.
介绍了OET700系列电子式互感器的结构与性能及其试验结果和在电力系统中的试运行情况。
The factors to influence the seal characteristic of SF6 instrument transformer are introduced. The measures and methods to maintain its seal characteristic are given.
介绍了影响SF 6气体绝缘互感器密封性能的因素，提出了保证密封性的措施和方法。
Ct (Current transformer) Current transformers are instrument transformers used in conjunction with ammeters, control circuits and protective relaying. They usually have5 ampere secondaries.
电流互感器电流互感器是一种仪表变压器，通常与电流表、制电路、护继电器配套使用。
How to obtain working power supply from high voltage side of active electronic current transformer (ect) is the key link impacting the reliability and accuracy of the instrument transformer.
有源型电子电流互感器高压侧工作电源的取能方式是影响互感器可靠性和精度的关键环节。
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。
Development of virtual instrument based calibrator for electronic current transformer.
基于虚拟仪器的电流互感器校验仪的研制。
Transformer is the key instrument for voltage converting, power transmission and distribution in power system.
在电力系统中，变压器是实现电压变换、电能传输和分配的关键设备。
The application of virtual instrument technology, which is used in the on-line partial discharge detecting system for power transformer is introduced in this article.
介绍了一种虚拟仪器技术在电力变压器局部放电在线监测系统中的应用。
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。
The multi-parameter test instrument of the transformer guarantees the accuracy and higher efficiency of the test.
变压器多参数测试仪保证了测试的准确性及较高的效率。
It can provide the protection for dry transformer according to the instrument actual temperature.
能根据变压器的实际温度对干式变压器进行保护。
This type of voltage transformer is an outdoor installation for metering of electric energy, also called electric metering box after equipped with the instrument box for electric energy metering.
本型互感器为户外电能计量装置。与电能计量仪表箱配置后又称为电力计量箱。
This type of voltage transformer is an outdoor installation for metering of electric energy, also called electric metering box after equipped with the instrument box for electric energy metering.
本型互感器为户外电能计量装置。与电能计量仪表箱配置后又称为电力计量箱。
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