接地電流 的英文怎麼說
中文拼音 [jiēdediànliú]
接地電流
英文
earth current- 接 : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 接地 : [電學] landing; body; ground connection; electrical grounding; grounding; earthing; earth; ground...
- 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
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Single - phase earthed capacitance current automatism compensate device of 6kv electricity - net
電網單相接地電容電流的自動補償裝置New designed auto tracing arc eliminating device based on this technique contents more technology, which has sample circuit, wide tuning scope, quick response and low noise. this paper firstly introduces neutral grounding histroy. by analyzing the syntony grounding theory, the transient and stable process of one - phase grounding fault, the threaten to secure run of power system and the importance of exact compensation for capacitive current are cognized
論文中首先介紹了中性點接地方式的發展過程,通過對諧振接地原理和單相接地故障的暫態、穩態分析,認識到接地故障對系統安全運行的危害,通過消弧線圈對接地電容電流的迅速準確補償是減小故障危害的最主要手段。Analysis of ungrounded neutral ac electric network insulation fault
中性點不接地交流電網絕緣故障分析On the other side, measuring errors of grounding resistance and solution of current voltage electrodes reversing has been compared with horizontal two layers and vertical delaminating ( three layers soil )
比較分析了電流電壓極反向布置、在水平雙層和垂直分層或三層土壤結構中接地電阻測量的誤差和解決辦法。Harm of sing - phase grounding current and compensate method
單相接地電流的危害及補償方法An integrative device of single - phase grounding line selection and grounding current compensation in distribution network
配電網單相接地選線和接地電流補償一體化裝置The problem about neutral - point - grounding mode is an all - around technical problem which associated with not only power system reliability , insulation coordination , electromagnetic interference , but assault safety 。 in china , the neutral grounding modes of the 10kv net involved of none grounding, grounding by arc suppressing coils, resistance grounding or reactance grounding in the past 。 with the development of civic power network , low resistance grounding mode was used to restrain the over voltage, particularly in guangzhou, shanghai , beijing , and zhuhai etc. it was reported that the over - voltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way 。 at substations in guangzhou and shanghai it was found that the low resistance grounding mode is successful 。 but in some areas , such as zhuhai , substations grounding with low resistance revealed some problems , including power supply reliability rapidly dropping , transmitting line often tripping ; and person safety being threatened 。 so interiorly the grounding mode selection of the 10kv network was disputed, which mainly focused on the fault form of 10kv net grounding, the apply area of suppressing arcing coil grounding mode, power supply reliability level of the two modes, person safety, communication interfere and the workload of maintenance
爭議點主要是在10kv電網接地故障的形式、消弧線圈接地的應用范圍、兩種運行方式供電可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以電纜為主的城區10kv電網中性點接地方式的選擇問題進行研究。論文首先對10kv電網的中性點運行各種方式進行分析,比較各方式的特點,然後以重慶儲奇門變電站10kv電網的實際參數來建立數值計算模型,在考慮了電網接地電容電流變化、中性點電阻取值大小、接地點接地電阻值變化等多種影響因素的情況下,對中性點經消弧線圈接地和經小電阻接地方式下電網的過電壓水平和接地點短路電流大小進行了數值計算,其計算結果與電科院所作現場試驗進行了比較。Electronic co., ltd., a private hi - tech company, professionally makes and markets electronic instruments and gauges, such as digital torque tester, bottle cap torque tester, voltage resistance tester, grounding resistance tester, leakage current tester, insulation resistance tester and etc. lankers quality instruments and gauges are characterized by well - designed structure, high reliability and stability and outstanding performance and are well sold to users in the industries of home appliances, motorcycle, automobile, motor and pharmaceutical
市藍光電子有限公司是一家集科研生產銷售於一體的高科技民營企業,公司擁有雄厚的技術實力,以卓越的設計能力,完備的工藝控制和完善可靠的檢測手段,向用戶提供高性價比的電子測量儀器。主要產品有:數字扭力測試儀系列瓶蓋扭力測試儀系列耐電壓測試儀,接地電阻測試儀,泄漏電流測試儀,絕緣電阻測試儀等安規測試儀系列。The model considers peak value of lightning current, tower grounding resistance, tower style, line surge impedance, power frequency voltage and distance between towers
模型中考慮了雷電流幅值、桿塔沖擊接地電阻、桿塔具體形狀、尺寸、桿塔波阻抗、工頻電壓及檔距等因素的影響。The reasearch about both function device of compensate and line selection about single - phase grounding capacitire current for small current grounding system
小電流接地系統單相接地電容電流補償與選線雙功能裝置的研究Small earthing neutral grouding power system
小電流接地電網單相接地故障選線的新方法Specification of single phase earthed relay in non - effective earthed power system
小接地電流系統單相接地保護裝置This paper is focused on the operation of single - phase earthprotection for little earth current system. based on the analyses for several kinds of ground protections, one ground protection with the functions of line selection and ground positioning is proposed for the complex automatic and mordern management for the electric substation. by this means, the economic, reliability, safty and stable operation for the grid can be achieved
針對小接地電流系統單相接地保護的運行進行了論述,並分析比較了幾種目前採用的小接地電流系統單相接地保護的功能及優缺點,建議採用一種既能選線又能定位的小接地電流系統單相接地保護裝置,以適應綜合自動化和現代化管理的需要,確保系統經濟、可靠、安全、穩定運行。Sy - kang shen, bor - chyun wang, ching - yin lee and tsung - chih lin, “ a modified qft design method for a cascaded multiple loop system and application in idle speed control ”, 1999 international symposium on quantitative feedback theory and robust frequency domain methods, pp. 25 ~ 41, university of natal, durban, south africa, august, ( 1999 )
[ 22古碧源,李清吟,顏坤鴻,楊仲健,林春福, "二極體接地捷運直流供電系統之接地電位與雜散電流, "第十九屆電力工程研討會論文集,第677至681頁, ( 1998 )Under the conditions of high safe coefficient of insulated electrical strength of the stator winding of the generator, the selection of earthing resistance value should meet the needs of matching one - point earthing protection of the stator and limiting the fault current
在發電機定子繞組絕緣電氣強度有較高的安全系數的情況下,接地電阻值的選取應主要服從與定子一點接地保護的配合及限制接地故障電流的需要。Firstly, the paper introduced the commonly hardware configure of microcomputer relaying and the function of every module of industry controlling computer std90386. secondly, the paper introduced several types busbarprotection which was commonly installed on electric power system and the characteristic of mv or lv system with low current grounding. based on it, the paper put forwards the theory of percentage - restraint differential relay. after that, in the discussing every problems of the relaying working the paper put the emphasis on the negative effect of the ct saturation and countermeasure
本文首先介紹了微機保護裝置的一般硬體配置以及作為裝置硬體平臺的std90386工控機各組件模板的功能,然後分析了目前電網系統裝設的母線保護的各種類型以及中、低壓小電流接地電網的特點,在此基礎上分析、介紹了作為本保護動作原理的「比率制動式差動保護」原理。In the 3 ~ 35kv power supply system of our country, the large part is the not solidly earthed neutral system. when the single - phase earthed phenomena happens in this system, this electric power network can run with failure. and in this way the operated cost can reduce greadty. and at the same time the power supply systemic dependability can be improved. but when the single - phase earthed current is large, this electric power system can engender easily arc earthed overvoltage and interphase short circuit by this means
在我國10 35kv供電系統中,主要為中性點非直接接地系統,這種系統在發生單相接地時,電網仍可帶故障運行,這樣可以大大降低運行成本,提高供電系統的可靠性,但這種供電方式在單相接地電容電流較大時容易產生弧光接地過電壓和相間短路,給供電設備造成了極大的危害。A kind of auto - compensation single - phase earthing current device of electric power system
電力系統單相接地電流自動補償裝置Test and control of single - phase grounding electric current in 6kv power network in mines
電網單相接地電流的測試與治理Measurement and treatment of 6kv power net single - phase earth - connecting current in coal mine
電網單相接地電流的測試與治理分享友人