絕緣系數 的英文怎麼說
中文拼音 [juéyuánxìshǔ]
絕緣系數
英文
insulation coefficient- 絕 : Ⅰ動詞(斷絕) cut off; sever Ⅱ形容詞1 (完全沒有了; 窮盡; 凈盡) exhausted; used up; finished 2 ...
- 緣 : Ⅰ名詞1 (緣故) reason 2 (緣分) predestined relationship 3 (邊) edge; fringe; brink Ⅱ動詞(攀...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 數 : 數副詞(屢次) frequently; repeatedly
- 絕緣 : 1 [電學] (隔斷電流) insulation; isolation; insulate; isolate 2 (跟外界不發生接觸) be cut off ...
- 系數 : [數學] coefficient; ratio; modulus; quotient; factor
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There are over 80 sets test apparatus in tech - innovation centre, including : anechoic chamber, vibration tester, vibration measurement analysis, impact instrument, constant temperature and humidity facilities. salt spary test case, circle insulation withstand voltage tester, insulation resistance tester, withstand voltage tester, electric lead tester, electrical leakage tester, earth resistance tester, chassis dynamometer, chassis dynamometer control system, high stability dc resistance tester, electrical capacity tester, temperature rise test system
中心擁有各類分析測試儀器和試驗裝置80餘臺套,包括:消音室振動臺噪聲振動測試分析系統沖擊儀恆溫恆濕實驗儀鹽霧試驗箱匝間耐壓分析儀絕緣電阻分析儀對地耐壓分析儀泄露電流測試儀對地電阻測試儀測功機測功機控制系統高精度直流電阻測試儀電參數測試儀帶電溫升測試儀復合式三坐標測量儀萬分投影儀及電功測試分析系統等。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。Electrorheological ( er ) fluids, composed of nonconducting or weakly conducting particles dispersed in an insulating liquid, undergo dramatic, reversible changes when exposed to an external electric field
電流變液( electrorheologicalfluids )通常是高介電常數的微小顆粒分散在低介電常數的絕緣液體中形成的懸浮體系。Only when it takes humidity ratio h / ? as independent variable instead of absolute humidity h in researching and calculating the influence degree of the humidity on the discharge voltage, the emendation coefficients of relative air density and humidity can be independence, and can reflect the influence degree of atmospheric parameters on outer insulation discharge voltage actually
當以比濕h代替絕對濕度h為自變量研究和計算濕度對放電電壓的影響程度時,相對空氣密度校正系數和濕度校正系數才能相互獨立,才能真實地反映大氣參數對電氣設備外絕緣放電電壓的影響程度。Based on above study, a novel local data acquisition and communication unit of bus - module on - line insulation monitoring system in substations is developed
在對以上問題研究的基礎上開發了基於總線的電站絕緣在線監測系統的前置數據採集通信單元。Utilising dissolved gases analysis, a new insulation fault diagnosis method for power transformers is proposed. this method is based on the group grey relational grade analysis method. first, according to the fault type and grey reference sequence structure, some typical fault samples are divided into several sets of grey reference sequences. these sets are structured as one grey reference sequence group. secondly, according to a new calculation method of the grey relational coefficient, the individual relational coefficient and grade are computed. then according to the given calculation method for the group grey relation grade, the group grey relational grade is computed and the group grey relational grade matrix is structured. finally, according to the relational sequence, the insulation fault is identified for power transformers. the results of a large quantity of instant analyses show that the proposed method has higher diagnosis accuracy and reliability than the three - ratio method and the traditional grey relational method. it has good classified diagnosis ability and reliability
基於變壓器油中溶解氣體分析,提出了一種基於群灰色關聯度分析的變壓器絕緣故障診斷新方法.首先根據故障類型與灰色參考序列構造,選擇變壓器典型故障樣本構造多組參考序列,這些參考序列組構成一個灰色參考序列群.其次根據給出的新的關聯系數計算方法,計算個體關聯系數和關聯度.然後根據給出的群灰色關聯度計算方法,計算群灰色關聯度和構造群灰色關聯度矩陣.最後根據關聯序識別變壓器絕緣故障診斷.通過大量變壓器絕緣故障診斷實例分析,所提方法診斷準確性與可靠性優於三比值法和傳統的灰色關聯分析方法,具有較好的分類診斷能力和可靠性The project of the three - step automatic system monitored direct current panel is put forward after thinking of existent questions in which the direct current panel charged and discharged the accumulator. the circuit design and software flowchart about direct insulation, parameter monitoring system, accumulator monitoring system, main monitoring system, communication etc are presented
結合直流屏系統充放電控制中存在的問題,研究提出三級自動監控直流屏方案,給出了直流絕緣、參數監控、蓄電池監控,主監控、數據通信等電路設計和程序流程圖。According to the theory of light transmission, we derived the expression of rotation angle as a function of the dielectric constant conductivity of er fluid, and ( the angle between the electric vector of linearly polarized light and electric field ) from maxwell ' s equations and fresnel reflection, on the condition of several appropriate approximations and assumptions
進而導出了非均相結構電流變液在外電場與光場交互作用下旋光角與(入射線偏振光振動方向與外加電場方向間夾角)及參數(為外加電場e 、分散顆粒介電常數、體積分數、絕緣油介電常數、位置矢量( ? )等量的函數)的西北工業大學應用物理系碩士學位論文摘要理論表達式。Model sywly - 75 physics high to foam polyethylene insulating, aluminum pipe other conductor coaxial cable suitable for catv backbone project, its interior conductor adopt bastion of iron make aluminium, other conductor adopt aluminum pipe, the two have the same hot coefficient of expansion and modulus of elasticity, woods reduce in cable conductor draw the troubles that are led to the fact
Sywly - 75型物理高發泡聚乙烯絕緣、鋁管外導體同軸電纜適用於catv主幹線工程,其內導體採用銅墻鐵壁包鋁,外導體採用鋁管,兩者具有相同的熱膨脹系數和彈性模數,林減少了由電纜內導體拉拔所造成的故障。Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical
通過對攝像機、數據採集系統及高壓試驗裝置記錄覆冰絕緣子表面閃絡電弧的發展過程的試驗結果進行理論分析得出:弧根周圍空氣的熱電離導致了電弧的發展,靜電場力對電弧的發展起到了加速作用,電擊穿僅發生在閃絡最終的跳躍階段;通過測量閃絡過程中的放電電壓、泄漏電流、閃絡時間、覆冰水電導率、電弧長度及電弧半徑等參數,得到了不同階段電弧(電弧起弧階段、電弧發展階段及完全閃絡)的發展速度、臨界電弧長度均隨覆冰水電導率的增加而減小。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。Testing of cables, wires and flexible cords ; loss factor, dielectric loss coefficient and leakance vde specification
電纜導線和軟線的檢驗.損耗因數絕緣損耗系數和泄Insulating liquids - determination of the dielectric dissipation factor by measurement of the conductance and capacitance - test method
絕緣液.通過測量電導率和電容量測定介電損耗系數.試驗方法We adopt the positive temperature coefficient real core resistance wire as the heating body and xlpe insulator as the inner core to make the heating cable with pvc coating outside or hdpe sheath. metal screen heating cable has earth conductor and aluminum screen layer or copper web screen layer. the product has advanced tie - in technology and it is safe, reliable and convenience for operation. the performance indexes meet iec800 standard. 3. technology indexes
本公司生產的發熱電纜採用正溫度系數實芯電阻線發熱體,內芯採用xlpe絕緣,外包覆pvc或hdpe護套,屏蔽發熱電纜具有接地導線和鋁殼屏蔽層或銅網屏蔽層採用先進的接頭工藝,施工安全可靠方便性能指標符合iec800標準要求。Due to good chemical stability and electrical resistivity, high thermal conductivity and mechanical intensity, wide band gap and low thermal expansion coefficient, aln thin films can be applied for insulating chips for semiconductor devices with high power, thermal dissipation lagers for large and super - large scale integrated circuits, insulating layers or passivation layers for semiconductor
超薄鋁膜由於其特殊的的光學性質,在光學多層膜上有廣泛應用。氮化鋁薄膜化學穩定性高、熱傳導率高、機械強度高、電絕緣性能佳、高能隙、熱膨脹系數低,光學特性優良,可以用作大功率的紫外光學器件的散熱材料。Each unit of transformer is tested in accordance with the following items : winding d. c resistance test. measurement of turn ratio and calibiation of voltage vector relation. measurement of impedance voltage and load loss
直流電阻測試匝數比測量及電壓矢量關系的校定阻抗電壓及負載損耗的測量空載損耗及空載電流的測量工頻耐壓測試感應耐壓測試絕緣電阻測試局部放電測試外觀和尺寸的檢驗銘牌的檢驗等。Windings d. c. resistance measurement, measurement of impedance voltage and on - load loss, measurement of no - load loss and on cload current, power frequency withstand voltage test, inductive voltage with standing test, measurement of partial discharge level, inspection of appearance and dimension inspection of name plate
直流電阻測試匝數比測量及電壓矢量關系的校定阻抗電壓及負載損耗的測量空載損耗及空載電流的測量工頻耐壓測試感應耐壓測試絕緣電阻測試局部放電測試外觀和尺寸的檢驗銘牌的檢驗等。A novel measurement and control system ( mcs ) used in hv flameproof switchgear has been established based on the 80c196kb single - chip microprocessor, by which electrical faults such as short circuit, over - load, over - voltage, open circuit, earth leakage and so on can be automatically distinguished and processed, and with the exception of this, the insulation degree of the double screen cables is monitored on - line. the operating condition and fault parameters can be displayed in turn with liquid crystal display
該系統能自動判斷短路、過載、過壓、欠壓、漏電等故障,並對高壓電纜的絕緣水平進行實時監測,大屏幕液晶顯示器實現了電太原理工大學碩士學位論文網參數的輪流顯示,通過撥碼盤輸入系統各項整定參數,真正實現了保護系統數字化。In this paper, we begin with actual products designs and then combine the real conditions. on condition that technique conditions requirements were satisfied, by adopting electromagnetic field numerical analysis and experimental research, the electric field distribution inter - phase and to ground of 12kv metalclad withdraw switchgear vacuum circuit breaker is described accurately. the electric field distribution and movement in different conditions are also confirmed
本文從實際產品設計入手,結合現實情況,在滿足技術條件要求的基礎上,通過採用電磁場的數值模擬分析及實驗研究,準確地描述了12kv配電系統中置櫃真空斷路器相間及對地全場域電場分佈情況,確定了中置櫃在不同情況下的電場分佈、變化情況,通過理論的計算和分析,對產品的絕緣進行了校核與驗證,通過多種方法的比較,進而得到合理的布置結構和達到最佳的絕緣配合,為實際產品的開發和設計提供了理論依據。But most effective approach to be carried out detection on on - line insulation monitoring is to test and abstract weapon system insulation ' s parameter realtime
而對絕緣狀態實施監測的最有效方法是實時測試提取武器裝備和系統的絕緣參數,即絕緣參數在線監測。分享友人