電抗分量 的英文怎麼說
中文拼音 [diànkàngfēnliáng]
電抗分量
英文
component reactance- 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...
- 抗 : Ⅰ動詞1 (抵抗; 抵擋) resist; combat; fight 2 (拒絕; 抗拒) refuse; defy 3 (對等) contend with...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
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Measurement and analysis of multi - frequency electrical impedance in crus after long time seawater immersion
長時間海水浸泡下小腿多頻電阻抗測量與分析A new measurement system for electrical conductivity in an yj - 3000t press fitted with a wedge - type cubic anvil was set up on the basis of the old one. a solartron 1260 impedance / gain phase analyzer was used in the new system ; mo electrodes and a mo shield were also used to keep oxygen fugacity close to the mo - moo2, which is similar to that of iron - wustite ( iw )
在yj ?緊裝式六面頂壓機上,對原有的礦物、巖石電性測量系統進行了進一步的改進:建立了一套以solartron1260阻抗增益?相位分析儀為測試儀器,使用mo電極和mo盾來控制樣品氧逸度的測量系統,該系統的氧逸度環境為mo ? moo _ 2 ,接近iw緩沖對。The substance with antibacteria action obtained from forest frog is made up of alanine, aminoacetic acid, leucine, isoleucine, proline, aminoglutaric acid, threonine, serine, lysine. the substance with antibacteria action is a kind of poly peptide with a micromolecul
純化的林蛙皮膚抗菌活性物質經尿素? sds ? page電泳分析,表現為一條帶,分子量約為6 . 28kda 。Recovery of this photoinhibition is a complicate but orderly course, including degradation of photodamaged d1, synthesis and assembly of new one, etc. using lincomycin to block the replacement of new synthetic dl protein into photodamaged one, the spinach leaves was exposed to highlight, giving rise to photoinhibition before the thylakiod membranes were isolated
解除光抑制后, ps活性恢復是一個復雜而有序的過程,需要d1蛋白降解、新合成d1蛋白和重組裝ps等。實驗首先進行菠菜葉片光抑制處理,加入林可黴素阻斷葉綠體蛋白質合成,利用尿素sds變性電泳分離類囊體膜蛋白,藉助d1蛋白抗體westen免疫印跡、磷酸化蛋白快速檢測方法分析d1蛋白存在形式,並進行定量分析。The way of taking one nth out of capacitor ' s the first harmonic capacitive reactance as its nth harmonic impedance is verified whit the data from tang7c. according to the approximately estimating method, the first harmonic impedance of 220kv system is calculated. on the basis of the models, this paper gives the harmonic equivalent circuit of substation and gives the b ( n ) function of the harmonic time n. when the capacitors has different combination, b ( n ) ' s value will also change, with the inputting local measurement data, the paper studies the series and parallel resonance at the substation, and deduces that the reason the capacitor ' s fuse of tang6c is frequently interrupted is that its capacitor current contains a large number of 5th harmonics, and that the reason the discharging pt of tang7c capacitor being exploded is also that the 7th and 9th harmonic currents are amplified
據此,對該站進行了串聯諧振分析和並聯諧振分析,並結合測試數據和有關變電站的運行記錄,指出了導致該站電容器湯6c頻繁燒保險的主要原因是5次諧波電流含量偏高,引起湯7c放電pt爆炸也是因為7次和9次諧波電流被放大。針對這些導致湯陰變電站補償電容器故障的原因,提出了相應的諧波治理措施,包括針對湯6c電容器5次諧波電流含量偏高的原因,提出了停運湯6c電容器或者通過把湯sc電容器的部分容量併入湯6c電容器(湯sc其餘部分停運)以增加湯6c諧波承受能力的措施;針對# 2變低壓側7次和9次諧波電流被放大的現象,提出了在湯7c電容器上加裝一定百分比的串聯電抗器的措施。It combained potentiostat, potentiostatic circuit instrument and ac impedance measurement organticace, which can measure usual dynamic potentio - scan, experiment of dynamic potentio - scan, but also unique measurement of ac impedance measurement, also, this new type electrochemical workstation can carry on complex experiment, sucn as potentio / current scan ac impedance measurement procedural measurment, life - span - circle ac impedance measurement procedural measurement in order to fullfill the goal of track and analysis of parameter in various electrochemical conditions. this graduation thesis indicate the structure, function of the multifunct - ional electrochemical workstation
它把恆電位儀,恆電流儀和電化學交流阻抗分析儀有機地結合到一起,既可以做常規的基本測試如動電位掃描、動電流掃描試驗和電化學交流阻抗測量,也可以做基於這三種基本試驗的程式化試驗,如恆電流充電-電化學交流阻抗測量,電池壽命循環試驗-電化學交流阻抗測量試驗,從而完成多種狀態下電化學體系的參數跟蹤和分析。Di - on electric one of the beijing hi - new - tech enterprise develop and manufacture lots of equipment like sf6 dewpoint meter dp100, cable fault location system cfl6000 and more. di - on electric supply the most advanced technology and equipment on such as gis surge arrestor on line monitoring, resistance measuring, ac dc metrology, thermal - temperature bridge, power transformer diagnostic and testing, cable diagnostic and fault location, sf6and oil moisture measuring, oil treatment and testing, optic fiber temperature monitoring, circuit breaker testing, relay testing and more
迪揚電氣在gis和避雷器的帶電測試與故障診斷分析,電力電纜的故障定位與局放檢測,變壓器電抗器的各種測試診斷與溫度監測, sf6的水分測量與回收,絕緣油的測試分析與濾油處理,紅外測溫與光纖在線測溫,以及各種電阻測試與計量,溫度計量與電能計量等方面擁有世界一流的技術與成熟的儀器設備。The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,
基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式,電力系統的發展使得電流差動保護應用於線路保護成為需要,而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先,本文對目前線路保護的研究和實際應用情況進行了討論和分析,比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次,針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點,同時為加快差動保護的動作速度,對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析,結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護,對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。The potential applications of amr include both civil and military communication, especially non - cooperative communications and communication confrontation, such as identifying signals, supervising signals, distinguishing interference, electronic confrontation, analyzing military threat, etc. on the basis of our analysis to the existing research on feature abstraction, the related feature abstraction methods are optimized in this paper, resulting several effective methods such as the feature abstraction based on transformation domain, stepped voltage level analysis, normalized carrier - free spectral energy analysis, squared signal and fourth powered signal analysis, etc. both the decision theory based on recognition algorithms and the artificial neural network ( ann ) based on recognition algorithms is analyzed, and the former is selected as it is more appropriate for this research
調制類型的自動識別廣泛應用於民用通信與軍用通信,尤其是對于非合作性通信、通信對抗,比如:信號確認、信號監控、干擾辨識、電子對抗、軟體無線電、電子救援、通信對抗、軍事威脅分析等。本論文在分析現有研究的基礎上,借鑒了已有的特徵提取方法,對相關調制類型特徵提取方法進行了優化,使用了一些有效的方法,如基於變換域特徵提取方法、梯層電平分析方法、剔除載波后的歸一化頻域能量分析方法、信號平方后的頻譜分析方法、信號四次方后的頻譜分析方法等。通過對基於決策理論和基於人工神經網路兩種識別演算法進行分析,本論文選擇了較適合的基於決策理論的識別演算法。Analyze the rectangular microstrip patch array using green functions method, resolve the integral equation by the method of moment, propose a method for resolving the mom impedance matrix, which is a combine of analytical method and numerical method
用矩量法計算了同軸饋電的矩形微帶貼片陣列的電流分佈,在求解廣義阻抗矩陣時,給出了一種解析方法與數值方法相結合的方法。The main works are listed as follows : ( 1 ) the small capacitance measuring circuit for ect based on the charge amplification principle was deeply analyzed and improved. the stray - immunity and the charge injection effect of this circuit were deeply analyzed. the influence of the charge injection effect was eliminated by practical time sequences and circuit structure differential
本文的主要工作和創新點如下: ( 1 )對基於電荷放大原理的微弱電容測量電路進行了深入的分析和改進,深入分析了該電路的抗雜散電容性能及電荷注入效應問題,通過時序的合理設計消除了電荷注入效應等因素對測量結果的影響,改進了該電路的數學模型。Electrical relays - part 22 - 7 : electrical disturbance tests for measuring relays and protection equipment ; power frequency immunity tests
電氣繼電器.第22 - 7部分:量度繼電器和保護裝置的電氣干擾試驗.電源頻率抗擾試驗This paper analyzes detailedly the principles on distributed busbar protection - current instantaneous value differential method, impedance method, and put forward the new method of current fault component phase method, then compares with these methods
本文詳細分析了分散式母線保護中的原理?瞬時值電流差動法、阻抗法,提出了電流故障分量相位法的新方法,將這幾種方法進行比較。Then, this thesis presents an algorithn of 2 - terminal quantity fault location based on synchronous gps sampling. this algorithm conducts fault location with only the 3 - phase fundemental wave voltage and current phasors of the 2 terminals of transmission lines and apples to lines of both symmetrical and asymmetrical parameters, irrelerant to the impedence, fault types and transitional resistance of the 2 terminals of lines
然後,本文提出了一種基於gps同步采樣的雙端量故障測距演算法。該演算法僅利用輸電線路兩端的三相基波電壓、電流分量來進行故障定位,不受線路兩端系統阻抗、故障類型、過渡電阻等因素的影響,對參數對稱線路和非對稱線路均適用。The pt secondary loop voltage drop is a changing amount and has the characteristics of indirection and certain randomness. the second, according to the cause of pt secondary loop voltage drop, the different methods to reduce the pt secondary loop voltage drop were analyzed and the conclusions are draw as below : 1. changing bigger section wire and maintaining the connector plugs regularly can reduce the pt secondary loop voltage drop effectively, but ca n ' t guarantee which meets the relevant rules
首先,通過對電壓互感器二次壓降的形成機理進行分析,得出以下關於二次壓降的相關結論: 1 、電壓互感器二次壓降等於二次迴路阻抗和迴路電流的乘積; 2 、電壓互感器二次迴路阻抗分為元器件自身阻抗和接觸阻抗兩部分,且接觸阻抗佔主要部分,從而使得電壓互感器二次迴路阻抗具有動態特性,而且具有一定的隨機性; 3 、電壓互感器二次迴路電流與二次負荷和迴路阻抗大小相關,因而二次迴路電流也是變化的; 4 、電壓互感器二次壓降是一個變化量,且具有單向性和一定的隨機性。Then the paper uses the same typical four network operating conditions as the primary given conditions and when adding one set of the parallel capacitor bank, changing the 330 / 220kv transformer tap changer position step by step to change the transformer ration, through this study methods this paper found out all the optimized combination of the tap changer position and the amount of input reactive power, also obtained four sets of the 330kv, 220kv and hokv s / s bus voltage and the active and reactive power losses changing curves. through analyzing the optimized combination control curve and the network power flow, the paper generalizes the rules as following : the chief measure of coordinative control is inputting shunt reactor in chengxian s / s in winter time both in the planning year of 2010 & 2005 ; in summer time in planning year of 2010 the chief measure is to input proper shunt capacitor
本研究通過分析所獲得的最優綜合控制組合曲線及電網潮流,總結出了如下規則:隴南電網在2005年及2010年冬大、以及2005年夏小運行方式下,綜合控制應以成縣變投入適量並聯補償電抗器作為主要措施;在2010年夏小運行方式下則投入適量並聯補償電容器作為主要措施,再輔助以選擇合適的主變有載調壓分接頭來調節,達到控制網內無功潮流分佈合理、各變電站母線電壓在理想的范圍內時電網有功損耗最小,從而也提高了電網安全運行水平及供電質量。It was difficult to measure the load voltage directly between inner and outer conductor of cable induced by shield current under low flux x ray. this paper introduces a measurement, pouring a current, which was same as cable approximately photocurrent in x ray test, into the shield of cable with a triocoaxial system, and the load voltage was got. finally the measured result of typical cable and comparison with the calculation was given with a special load
在簡要介紹屏蔽電纜的轉移阻抗和轉移導納耦合的基礎上,描述了利用三同軸系統對雙電纜和等效負載組成的電纜系統進行電流注入,模擬電纜屏蔽層發射電流,測量芯線等效負載感應信號的實驗,給出實驗結果及分析,並對理論結果與實驗進行了比較。The results from sds - page presented that there were three female specific protein subunits with molecular weights of 123 kd, 120 kd and 91 kd, respectively. we can conclude the higher molecular compose of two subunits ; the results from two dimension electrophoresis showed the isoelectric points of two female - specific spots with molecular weight of about 120kd were 5. 5 and 5. 7. immunodiffusion reactions demonstrated that vg existed both in female fat body and hemolymph, which as vn was deposited in the ovary, while not in the male
Page電泳結果表明:麗蠅蛹集金小蜂明顯存在2條雌特異性帶-卵黃蛋白,分子量分別為181kd和136kd ; sds - page電泳分析:存在3條雌特異性帶,其分子量為123kd 、 120kd和91kd ,由此,可推定卵黃原蛋白( vitellogenin , vg )和卵黃磷蛋白( vitellin , vn )由2個蛋白組成,其中分子量較大的蛋白由2個亞基組成;雙向電泳結果顯示,在120kd附近有兩個特異性點,其等電點為5 . 5和5 . 7 ;雙擴散表明,麗蠅蛹集金小蜂卵黃磷蛋白的抗血清與雌隱成蟲蟲體、脂肪體、血淋巴和卵巢勻漿液均有免疫沉澱反應,而與雄蜂血淋巴無免疫反應,說明了vg與vn具有免疫同源性,是雌特異性蛋白,且由脂肪體合成。Guide for measuring earth resistivity, ground impedance, and earth surface potentials of a ground system part 1 : normal measurements
接地系統的土壤電阻率接地阻抗和地面電位測量導則第1部分:常規測量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。分享友人