測量用變壓器 的英文怎麼說
中文拼音 [cèliángyòngbiànyāqì]
測量用變壓器
英文
measuring transformer- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 用 : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
- 壓 : 壓構詞成分。
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
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Ch400 transformer coulometer can be widely applied in test on production line of small manufacturer of transformer or rectifier power or in labs
Ch400變壓器電量測量儀系列可廣泛用於各種小型變壓器或整流器電源等廠家的生產流水線測試,實驗室試品試驗等場合。The control system of furnace " s temperature has been widely used in every walk of life, as an important link of repair and manufacture of the electrical equipment such as electromotor transformer etc., soaking lacquer drying craft has some especial requests on drying crafto this article starts with the analysis of drying chamber " s configuration, analyzed its configuration limitation and control function limitation according to the factory " s situation and advances the conception of heated air drying circulation, in addition, this article adopts an intellectualize a / d module, a development sampling tuning - voltage circuit, and presents the method to measure online the insulation resistance of products in order to improve constantly products quality
而浸漆乾燥工藝作為電機、變壓器等電氣設備的修理、製造中的重要環節之一,對乾燥過程的質量要求有一定的特殊性。該文從乾燥爐的結構分析入手,聯繫到工廠的實際情況分析了結構功能缺陷和控制功能缺陷,提出了熱風循環乾燥的概念,同時,選擇了較為先進的a d板卡、熱電阻信號調理板等專業化智能卡,運用數字pid控制技術,構成了一個較有特色的計算機控制系統。此外,該文還從保證乾燥品質量的角度,採用智能化交流模塊和自製采樣調壓電路的方法,提出了在線檢測產修品的絕緣電阻的方法和手段,以確保企業產品質量不斷提高。The examples to diagnose transformer faults with measuring element method by electro microscopy, infrared thermograph and icp plasma emission spectrum are introduced
摘要介紹了應用掃描電鏡測量元素法、紅外成像分析法、等離子發射光譜法檢測大型變壓器故障的實例。For the existing transformer cooling control system has many shortcomings such as the complicated system control circuit, the low reliability, the protection methods of blower fan being so simple, large control error, high fault rate, massive maintenance work and no method to realize telecommunication, this thesis develops a novel intelligent power transformer air - cooled control system based on the center of microprocessor through all - round technology analysis and research
本文針對變壓器冷卻系統使用常規控制系統存在的系統控制迴路復雜、可靠性低、風機的保護方式簡單而無法進行故障預測、主變壓器油溫測量精度低造成控制誤差大、故障率高、維護工作量大、無法實現遠程通訊等問題,經過多方面的技術分析和調研,設計開發了新型的以微處理器為核心的智能式電力變壓器風冷卻器控制系統。Data inputting and graphinputting module respectively achieve data inputting of first system and electric firstwiring diagram inputting ; secondary scheme design module realizes scheme design ofsecondary loops including control, protection, signal, measure, automotive equipment, operation electrical source and electrical source for substation and power distributionstation, using rule - cased reasoning of expert system ; protective relaying settingcalculation module realizes setting calculation for first equipments which aretransformers, circuitries, capacitors, and electromotors ; secondary equipmentselection module realizes type selection of secondary microcomputer integratedequipments ; graph making out module realizes secondary drawings making outautomatically representing design production using case - cased reasoning of expertsystem and the drawings can be edited and modified under the secondary developedautocad environment
數據輸入和圖形輸入模塊分別完成一次系統資料錄入和電氣主接線圖的輸入;二次方案設計模塊利用專家系統基於規則的推理實現變配電所各二次迴路的方案設計,包括控制、保護、信號、測量、自動裝置、操作電源和所用電源;繼電保護整定計算模塊實現主設備的整定計算,包括變壓器、線路、電容器和電動機;二次設備選型模塊實現二次微機成套裝置的型號選擇;圖形生成模塊利用專家系統基於實例的推理實現代表設計成果的各類二次圖紙的自動生成,生成的圖紙可以在二次開發的autocad環境下進行編輯和修改。In the second chapter, equivalent circuit of the eddy current sensor is firstly analyzed. based on that, the carrier signal generating circuit that is realized by the lc periodic circuit is introduced, thus, the carrier signal of standard frequency is obtained through the trimming capacity. subsequently, the disc type rotational armature generator and the rotational coupling transformer are separately leaded in to realize the power supplies of the carrier signal generating circuit and output of the measuring signal
在傳感器設計一章中,首先對渦流傳感器進行等效電路分析,在此基礎上分析了由電感、電容諧振電路構成的載波信號發生電路,並通過微調電容獲得了標準頻率的載波信號;接下來提出了採用盤式旋轉電樞發電機解決載波信號發生電路電源供給問題的方案,同時通過旋轉耦合變壓器的引入,使得測量信號輸出問題很好地解決;本章最後給出的一組實驗曲線充分說明了這一方案的可實現性。This product family includes synchros, resolvers, tachogenerators, servo motors and torque motors, etc. these small, lightweight and high precision motors are mainly used in automatic control systems
有自整角機、旋轉變壓器、測速電機、伺服電機、力矩電機等。具有體積小、重量輕、精度高等特點,主要用於各種自動控制系統中。This paper also gives an example to illustrate how to establish the thermal model based on experiments and, finally, the application of thermal simulation software is analyzed
最後本文給出了一個用實驗法測量變壓器三個熱阻值的實例,並分析了熱模擬軟體在建立熱模型中的應用。The meter adopts digital synchronous sampling and micro technology to accurately measure true rms of transformer ' s primary voltage, current, power, power factor, true rms ( ac ) or average ( dc ) of secondary voltage and current, true rms of secondary voltage ripple
該系列儀器採用數字同步采樣及微機技術,能準確測量變壓器的初級電壓、電流、功率、功率因數的真有效值,次級電壓、電流的真有效值(交流)或平均值(直流) ,次級電壓紋波的真有效值。Initially, the company has engaged in the development and manufacture of testing instruments primarily for the said governmental institutes, later expanding its activities toward the field of electrical industries in general. taking advantage of technological prestige, the company has in the meantime developed unique instruments one after another which have successfully met the demand of major electrical machine manufacturers for rationalization and increase of production efficiency, thus enabling the company to realize steady growth and maintain continual business relations with more than 400 domestic and overseas customers
本測試儀可用作繞組線圈電阻及溫升測試外,也可用作為普通的數字型電阻儀測試未加交流電壓狀態時的電阻值。本儀器在電機或變壓器等繞組設備的機械加壓的工作狀態下,可隨時連續檢測其線圈電阻和溫度的變化,而且在切斷電源后,亦可連續測量,測量安全數據準確。The effects of the error of ct and vt, hysteresis and load variation to short - circuit reactances are discussed also. by using error analysis and simulation analysis, this paper discussed the feasibility in engineering
論文分析了互感器誤差在幾種情況下對短路電抗測量結果的影響;通過變壓器建模,分析了磁滯特性和負載變化量大小對短路電抗測量結果的影響,驗證了該方法在工程應用上的可行性。The measurement of dielectric loss and volume resistivity is effective preventive tests to judge insulating oil isolation status of polluted and aging, and it ' s important method of ensuring the safe operation of transformer and oil - filled circuit breaker, etc. however, the measuring systems of insulating oil dielectric loss and volume resistivity used at present exist the shortcoming of low accuracy, weak repeatability, inconvenience, and its thermostatic control system ca n ' t meet the challenge
絕緣油的介質損耗因數、體積電阻率測量,是判斷絕緣油的劣化與污染程度的有效預防性試驗,是保障變壓器、油斷路器等充油電力設備安全運行的重要手段。然而,目前所使用的絕緣油介質損耗因數、體積電阻率測試系統存在著測量精度低、測量結果重復性不好、控溫系統不能滿足控溫要求、操作不便等缺陷,針對這一現狀,本文對絕緣油介損及體積電阻率一體化測試系統進行了研究。This paper aims at the request of distribution automation and the disadvantages of existent ttu products and puts forward a scheme of ttu design : dsp ic tms320lf2407a of ti ltd. is chosen as a controller because of its high performance ; a three - phase power / energy ic developed by sames ltd. is used as a measure module to simplify the hardware circuit and software program ; the embedded modem and rs485 / rs232 mode communication interfaces are designed to make the data transfer more flexible and effective ; the 101 communication protocols of international electric power standard are adopted to improve its compatibility
本文針對配電自動化的要求及現有ttu產品的不足,提出了一種基於dsp的配電變壓器遠方終端單元的研製方案:微控制器選用ti公司高性能定點dsp晶元tms320lf2407a ;使用sames公司推出的三相電能計量晶元sa9904a作為測量模塊,簡化了硬體電路和軟體編程;採用siliconlaboratories的嵌入式modem 、 rs485 rs232等多種通信方式,使數據傳送變得靈活、高效;為了提高設備兼容性及通用性,通信協議採用國際電力標準101規約。The monitoring system of remote electric quantity based on pstn obtains the electrical parameters of transformer by the data acquisition module, host computer dials every monitored station by roll polling. inferior processor transmits datas to the computer in superior monitoring center through pstn for storage and processing, to provide the analysis and statistics for the supervisor section. the system is simple and cheap, and it will have a good prospect of application in electrical system
基於pstn的遠程電量監控系統通過數據採集模塊對變壓器的電參數進行採集,主機通過「輪循」的方式,依次撥通每一個監測站點,下位機將檢測到的數據通過pstn公用電話網送到上層監控中心的計算機系統進行存儲和處理,以提供主管部門的分析和統計之用。Based on the malfunction datum of 328 power transformers ( 110kv or above ), the paper makes the following studies by both the analysis of the datum and lots of tentative tests and presents the corresponding research results : the research on the malfunction mode classification of power transformers by the failure tree analysis method ( fta ) ; the research on the status prediction criterion of running power transformer ; the research on detective methods and criterions of the disability of the power transformer ; the research on evaluation the life of the power transformer ; the research on the relationship between the status estimate system and status examination & repair of the power transformer
本論文以電力系統328臺110kv及以上電壓等級的電力變壓器事故和故障統計資料為基礎,通過對110kv及以上電壓等級電力變壓器故障數據的整理分析和大量探索性試驗,對以下方面開展研究並給出研究結果: 1採用fta (故障樹分析法)對電力變壓器的故障模式進行科學分類2電力變壓器運行中的狀態預測判據研究3In order to supervise the work status of experiment bench, choose three position & velocity sensor which serve as detecting equipment
為檢測系統的工作狀況,選用三種位置速度傳感器,即:增量式光電編碼器、絕對式光電編碼器和旋轉變壓器。Power transformer test is simulanted in test - room, try to prove that online measure of transformer test is feasible. the test results are satisfaction. in the end, there is software design : the instrumented - test - interface is developed ; location computer entering to sample state is the same time, and after the same " log time ", it stops the data sample note. every test signal data keeping in the data note memorizer is at the same time, so it realizes data synchronization collection. some blocking design in the process of software design can apply to the other software
文章的最後,針對變壓器試驗微機測試系統對電流、電壓、功率等變量數據採集的特殊要求,分析了同步誤差的產生原因,給出了同步軟體采樣的無差條件;建立了電壓電流有效值和平均功率測量誤差的數學模型,提供了減小測量誤差的措施;應用「同步軟體采樣技術」 ,不需要增加采樣周期數,不需要硬體同步環節,較好地解決了同步誤差對測量精度的影響。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.電氣及光學連接元件.試驗方法.第704部分:電氣元件.耦合器用變壓器的匝數比測量Method for measuring average moisture content in insulating paper in transformers by dew point measurement
用露點法測定變壓器絕緣紙中平均含水量的方法According to the requirements to pd pattern auto - recognition, this paper studies systematically the basic theories and realizable methods for auto - recognition of pd gray intensity image : ( 1 ) in the requirement of on - line pd monitoring for transformer, several discharge models are designed and the relevant experiment methods projected. with discharge model tests, a lot of discharge sample data is acquired. on the base of systematical research on recognition for pd gray intensity image, this paper puts forward two kinds of fractal features, the 2nd generalized dimensions of original pd images and fractal dimensions of high gray intensity pd images, and then the relevant extraction methods
針對局部放電模式自動識別的需要,作者系統地研究了局部放電灰度圖像自動識別中的基本理論和實現方法: ( 1 )根據變壓器局部放電在線監測的要求,設計了放電模型和實驗方法,並通過模型實驗獲得了大量放電樣本數據,為構造局部放電灰度圖像和採用bpnn進行識別作好準備; ( 2 )研究了局部放電灰度圖像的構造方法以及降維構造32 32灰度和矩陣的方法;在用人工神經網路對局部放電進行模式識別時,分析了bp網路的優缺點,對典型bp網路的結構和學習訓練演算法提出了改進,採用帶有偏差單元的遞歸神經網路作為模式分類器;採用32 32灰度和矩陣進行bpnn識別結果表明這種方法是有效的。分享友人