電容電流 的英文怎麼說
中文拼音 [diànróngdiànliú]
電容電流
英文
capacitive current- 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...
- 電容 : electric capacity; capacitance; capacity
- 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Capacitive grid current
柵極電容電流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。Based on output voltage and capacitor - current feedback current spwm control, the inverter is modeled and the prototype is made
並對採用輸出電壓和電容電流瞬時值反饋的電流spwm控制技術逆變器建立了模擬模型,製作了原理樣機。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。The result from field test shows that the effect of compensation and the faulted line selection is very good
現場試運行結果表明,該裝置電容電流測量準確,補償效果好,選線準確。India based manufacturer of electronic instruments for control, weighing, and energy monitoring for textiles mills and machinery manufacturers
-生產避雷器在線監測器消諧器電容電流測試儀真空度測試儀等電力儀器儀表。Along with the development of power network transmissed in our country, the internal electric power net in industry and enterprise and the electric power sesytem on generating electricity and power supply, the overvoltage phenomena in the electric power sesytem becomes more and more serious
隨著我國電網系統的發展,電力系統中的過電壓現象越來越嚴重,尤其隨著電纜線路逐漸代替架空線路,電容電流不斷增加,弧光接地現象更是不可避免。Condenser current compensation
電容電流補償After the neutral point is grounded through perterson coil, it can decrease the capacitor current through fault point and the over - voltage caused by the grounding fault, which is advantage for the extinguishments of electric arc
中性點經消弧線圈接地后,有效減小了流過故障點的電容電流,減小了弧光接地過電壓,有利於電弧熄滅。After the neutral point is grounded through peterson coil, it can decrease the capacitor current through fault point and the over - voltage caused by the grounding fault, which is advantage for the extinguishments of electric arc
中性點經消弧線圈接地后,有效地減小了流過故障點的電容電流,減小了弧光接地過電壓,有利於電弧熄滅。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。In this paper, the research was made to solute these problems. the peterson coil compensation system has been designed which can measure capacitor current and damp degree ; a fault selection method of distribution network which was put forward that based on ftu
本課題就這兩方面的問題進行了深入研究,設計了一種消弧線圈自動補償裝置,該裝置可測量系統對地電容電流和阻尼率,具有響應快、準確性高的優點;同時提出了一種基於ftu的配電網接地選線方法。Automatic tracking compensating system of capacitor current controlled by single chip microcomputer
單片機控制的電容電流自動跟蹤補償系統Associated tightly with the stokes measured in small capacity current breaking and short - circuit breaking test duty t100a ( short arc, middle arc and long arc ), the electric field distributions 3 ms after current zero have been calculated. the cold gas flow field corresponding with small capacity current breaking is calculated. based on the results derived from one - dimensioned gas flow field simulation, the two - dimensioned gas flow fields corresponding with short - circuit breaking test duty t100a ( short arc and middle arc ) are calculated as well
本文採用與試驗緊密結合的方法,在給定機械行程曲線的基礎上對三峽工程中採用的550kvsf6斷路器在開斷小電容電流、短路開斷方式5短、中、長燃弧電流過零后3ms內滅弧室二維靜電場分佈進行了分析計算;對該斷路器開斷小電容電流時近似的冷態場進行了二維模擬分析計算;在對短路開斷方式5短、中、長燃弧一維氣流場進行分析計算的基礎上進一步採用一維氣流場和二維氣流場相結合的方法,對該斷路器開斷方式5短燃弧和中燃弧對應的二維熱態場進行了分析計算。Automatic compensation of single - phase current capacitance
單相接地電容電流的自動補償Improvement of single - phase direct earth capacitance current for power distribution system in coal mine
煤礦供電系統單相接地電容電流的治理The paper explains the method of the petersen coil parameter selection and expatiates the working principle of micro - computer controller. new methods of on - line measuring of the capacitive current and the control of the series resistance are put forward ? which lead to the integration of the automatic resonance and the faulted line selection in a compensating network
文中說明了消弧線圈參數的選擇方法,闡述了微機控制器的工作原理,提出了在線測量補償電網對地電容電流以及控制串聯電阻的新方法,實現了補償電網自動調諧與單相接地選線的一體化。The study of self - compensation to single phase - to - ground capacitive current in 10 35kv power network
電網單相接地電容電流自動跟蹤補償系統研究Measurement of capacitive current in power distribution network using current injection methods
配電網對地電容電流的注入信號測量法分享友人