Scheme of measuring temperature of high voltage electronic potential transformer vessel;

一種高壓電子式互感器腔體內(nèi)溫度測(cè)量方法

Calibration method and development trend of high voltage transformer;

高電壓等級(jí)電壓互感器的校驗(yàn)方法

Comprehensive query and management system for checkout and demarcation record of watt-hour meter and transformer;

電能表、互感器檢定記錄綜合查詢(xún)管理系統(tǒng)

Application of UG technology in mould design of instrument transformers;

UG技術(shù)在互感器模具設(shè)計(jì)中的應(yīng)用

Digital instrument transformer test setbased on wave analysis;

基于波形分析的數(shù)字式互感器校驗(yàn)儀

Research on Wide-Band Transfer Characteristics of Instrument Transformers and Transient Characteristics of Grounding Grids in Substations;

變電站互感器寬頻傳輸特性與接地網(wǎng)瞬態(tài)特性的研究

Application of UG software in design of mould for mutual inductor;

UG在互感器模具設(shè)計(jì)中的應(yīng)用

The characteristics and selection of the mutual inductor,the development of the non-conventional mutual inductor,the working principle of various relay protections,the configuration of UHV protection are analyzed,as well as the influences of time delay,data and clock synchronization,IEC61850 and communication technology development on the protection system based on t.

基于互感器技術(shù)、保護(hù)原理以及通信技術(shù),分析了互感器的特性、選型和非傳統(tǒng)互感器的發(fā)展;各種繼電保護(hù)原理特點(diǎn)和特高壓保護(hù)的配置;通道延時(shí)、數(shù)據(jù)同步、時(shí)鐘同步以及IEC61850和通信技術(shù)的發(fā)展對(duì)保護(hù)系統(tǒng)的影響,提出了在大電網(wǎng)繼電保護(hù)技術(shù)應(yīng)用中要注意的若干問(wèn)題。

The wattmeter connects with measured circuit direct when the power is low,then connects with measured circuit though mutual inductor when the rating of wattmeter of the voltage or current is overrun.

當(dāng)被測(cè)電路的功率比較小時(shí),采用直接和功率表相接方法;當(dāng)被測(cè)電路的電壓和電流超過(guò)儀表電壓和電流的最大額定值時(shí),就要用互感器和儀表相接。

Therefore,substitution of high-voltage electronic transducers for conventional transformers is a trend.

隨著電力系統(tǒng)朝著自動(dòng)化、智能化和數(shù)字化方向的發(fā)展,傳統(tǒng)的電磁式電流互感器因自身傳感機(jī)理限制很難滿(mǎn)足電力系統(tǒng)發(fā)展要求。

Air-core coil current transducer is not in magnetic saturation,but its voltage signal is weak and vulnerable to outside magnetic interference.

空心線(xiàn)圈電流互感器無(wú)磁飽和,但感應(yīng)信號(hào)小,易受外界電磁干擾。

Based on the equivalent circuit,the element concept of the secondary loop of transducer is introduced,and the physical meanings that no electrical connection exists among all transducers by simulation and emulation are explained.

利用等效電路簡(jiǎn)單介紹了互感器二次回路保安性接地的基本概念,并通過(guò)模擬仿真方式較形象地解釋了各互感器之間沒(méi)有電聯(lián)系的物理含義,指出了實(shí)際沒(méi)有電聯(lián)系的各互感器在各自接線(xiàn)端子箱就地接地可以簡(jiǎn)化二次回路接線(xiàn),提高電網(wǎng)穩(wěn)定運(yùn)行水平的建議。

Errors analysis of the current transformer and application technology;

電流互感器的誤差分析及其應(yīng)用技術(shù)

Analysing and assessing the uncertainty in detecting the transformers;

互感器檢測(cè)結(jié)果的不確定度分析與評(píng)定

This paper analyzed the methods for testing the error of transformers quickly,thus the measurement could be more efficient.

分析了互感器誤差快速測(cè)試的測(cè)量方法,使批量互感器的測(cè)試過(guò)程更加有效率。

Pressure changes in the gas space of sealed transformers were discussed and analysed.

本文對(duì)高壓互感器內(nèi)壓力變化進(jìn)行了實(shí)際測(cè)量與分析，從理論上推導(dǎo)出了氣室中溫度與壓力之間的關(guān)系，并且通過(guò)實(shí)際模擬實(shí)驗(yàn)驗(yàn)證了理論推導(dǎo)的正確性。

Voltage transformers

GB1207-1997電壓互感器

Combined transformers

GB17201-1997組合互感器

auxiliary current transformer

輔電流互感器輔助電流互感器

dual purpose voltage transformer

雙重用途電壓互感器

high voltage current transformer & potential transformer

高壓電流電壓互感器

rated transformation ratio (of a voltage transformer)

（電壓互感器的）額定變比

rated transformation ratio of voltage transformer

電壓互感器的額定變比

unearthed voltage transformer

不接地型電壓互感器

actual transformation ratio of voltage transformer

電壓互感器的實(shí)際變化

gle of a voltage transformer

電壓互感器的相角差

burden(of a instrument transformer)

（儀用互感器的）負(fù)載

bushing type instrument transformer

套管式儀表用互感器

summation [totalizing] current transformer

總和[總加] 電流互感器

summation /totalizing current transformer

總和/總加電流互感器

phaseangle of a current transformer

電流互感器的相角差

rated transformation ratio of current transformer

電流互感器的額定變比

rated transformation ratio (of a current transformer)

（電流互感器的）額定變比

primary current (of a current transformer)

（電流互感器的）一次電流