絕緣放電 的英文怎麼說
中文拼音 [juéyuánfàngdiàn]
絕緣放電
英文
discharge in insulation- 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...
- 放 : releaseset freelet go
- 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...
- 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 ...
- 放電 : [物理學] (electric) discharge; electro-discharge; discharging
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This thesis aims at developing common software for monitoring insulation condition of several power equipments, and the software was constructed base on a intersectional structure like matrix
本論文致力於研製出一個可為多種電力設備的絕緣在線監測系統所用的通用軟體,該軟體具有交叉矩陣式框架結構,以電力設備局部放電為第一個監測變量。Incondition of surface anti - corrision and insulation coat of metal and tiny hole of steel where resistance and crack is very small, when supplying a high voltage, gas crack will be punctured and electric spark discharging will occur, now send a pulse signal to the alarming circuit the alarmer can send out sound and light to alarm. we can do leak hunting on the coating according to this principle
金屬表面絕緣防腐層過薄、漏鐵及漏電微孔處的電阻值和氣隙密度都很小,當有高壓經過時就形成氣隙擊穿而產生火花放電,給報警電路產生一個脈沖信號,報警器發出聲光報警,根據這一原理達到防腐層檢漏目的。Circuitry construction tools produced by our company are more than eight hundred of kinds in 18 series, which are suitable for foundation construction, tower group sets up the pole 、 a thread constructs 、 cable construction, optical cable construction, such as entangle and rub flexibly 、 insulating aerial cable and cable skinning device 、 aluminiam alloy cherishes the pole 、 and lead 、 card thread device of ground wire 、 high strength shackle 、 ratchet wheel board hands with sharp board hands 、 tight line device of double hook 、 lifting block 、 nylon wheel and aluminium wheel is pat the thread coaster, and etc, with full series and more kinds. as high technology and reliable quality, we have a good reputation among sane fields at home and abroad
公司生產的線路施工機具包括用於基礎施工,桿塔組立、架線施工、電纜施工,光纜施工等工序的18大類800餘種產品,如機動絞磨、絕緣架空電纜及高壓電纜剝皮器,各類鋁合金抱桿,以及導、地線卡線器、高強度卸扣、棘輪扳手與尖扳手、雙鉤緊線器、起重滑車、尼龍輪或鋁輪放線滑車等,系列全、品種多,產品具有工藝精湛,質量可靠等特點,在國內外同行業中有較高的信譽。The relative air density decreases with the increasing of altitude. therefore, the discharge performance of air - gap and insulator string at high altitude regions is different from that of the referring standard conditions
高海拔地區相對空氣密度較低,絕緣子和空氣間隙的放電特性與低海拔地區有很大的差異。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。So that the maximum pd grads is the characteristic quantity of evaluating the insulation condition of stator bar has been put forward
因此,提出了以絕緣局部放電的最大放電量的梯度作為評定絕緣的一個特徵量。At the same time, the results show that the minimum pd quantity and its discharge numbers also add along with the aging time increasing. and the craggedness degree of - q figure of pd becomes steep along with ageing time too
局部放電的最小放電量隨著老化時間的增大其值也逐漸增加,而且放電次數也不斷增加,因此,這也可以作為一個特徵量來進行絕緣監測。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 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。The main discharge types in insulation of electrical transformers were analysed, 7 kinds of experimental models simulating discharges in electrical transformers and 3 kinds of models simulating interfering discharges in air were designed and model experiments under some circumstances were performed
分析了變壓器絕緣的主要放電形式,設計了模擬變壓器放電的7種試驗模型和3種模擬空氣中放電干擾的模型,進行了不同情況下模型的放電試驗。Electrical field stress at the icicle tips is even stronger. at these areas, if the electric field across air gaps is high enough, corona discharges are initiated. this can lead to the development of local arcs across the air gaps causing a substantial increase in leakage current and a concomitant melting of ice
空氣間隙的存在使覆冰絕緣子表面的電場分佈發生了明顯畸變,間隙上承受了非常高的電壓,這使得冰凌尖端的電場變得相當強,一旦電場達到了電暈的起始電場,局部放電就在這一區域發生,進而產生局部電弧並逐漸發展成整串的閃絡,泄漏電流迅速增大,同時伴隨著冰的融化。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。Predication of the insulation ageing for power capacitor according to the pole - to - case insulation partial discharge test
極對殼絕緣局部放電試驗對電容器絕緣老化的評定作用The characteristics : the unit is composed of high voltage parallel capacitor, serial reactor, switch ( disconnector, grounding switch, breaker etc. ), lightning arrestor, fuse, discharging coil, current transformer, insulator, busbar and steel bracket, includes two kinds of structure : frame type and cabinet type
產品特點:裝置由高壓並聯電容器、串聯電抗器、開關(隔離開關、接地開關、斷路器等) 、避雷器、熔斷器、放電線圈、電流互感器、絕緣子、母排和鋼架組成,裝置有框架和櫃式兩種結構。Researching and analyzing on the test results of the influence of atmospheric parameters on outer insulation discharge voltage and its various emendation methods, it can be concluded that : with the change of relative air density, its humidity ratio h / ? will also change even though the absolute vapor mass ( absolute humidity h ) of the air is constant. consequently, the influence degree of the humidity on the discharge voltage should change, too
本文通過對以往的大氣參數對外絕緣放電電壓影響的試驗成果及各種校正方法的研究分析認為:隨著相對空氣密度的變化,即使空氣中所含水氣的絕對質量(絕對濕度h )保持恆定,其比濕h也會變化,必然地,濕度對放電電壓的影響程度也會變化。The investigation shows that ann has enough ability to recognize different types of discharge of oil - paper insulation in transformers
研究結果表明,人工神經網路對油紙變壓器絕緣放電有足夠的識別能力。It compares and analyses the equipment test voltage emendated to standard atmosphere conditions with the equipment nominal withstanding voltage. and then it concluded that : the emendation value educed by " humidity ratio " integrated emendation method is basically equal or close to the equipment nominal withstanding voltage ; but the values by two traditional emendation methods are mostly higher. it also proves that, " humidity ratio " integrated emendation method is more perfect than any other methods, and it can reflect the influence degree of atmospheric parameters on electrical equipment outer insulation discharge voltage actually
文中選擇「比濕」綜合校正法和兩種傳統校正法,分別對西高所為羊八井、拉薩、羊湖110kv變電所設備所做的人工氣候室模擬試驗數據及雲南中試所做的zs - 110工頻放電電壓試驗數據進行校正計算,將試驗電壓的校正值與試驗設備的標稱耐受電壓水平進行比較分析;認為: 「比濕」綜合校正法的校正值與設備耐受電壓水平基本相等或接近,而兩傳統校正法的校正值大多高於設備耐受電壓水平;進一步證明, 「比濕」綜合校正法是目前諸多校正法中較為完善的,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的校正法,在高海拔電力工程設計中應推廣應用。It is put forward that the correction of external insulation discharge voltage for the region 2000 m and below in gb / t16927 and iec60. 1
海拔2000m以下地區的大氣參數對外絕緣放電電壓的影響在gb / t16927 . 1和iec60 . 1中規定了校正方法。The change of atmospheric pressure reflect the change of the altitude and the change of the temperature 、 humidity and relative air density in the different altitude region, so the atmospheric pressure is able to be use for the characteristic parameter of token the effect of the altitude on external
氣壓可作為表徵海拔高度對外絕緣放電電壓影響的特徵參數;高海拔地區空氣間隙和絕緣子串的放電電壓u均可表示為相應海拔下氣壓的冪函數,即u = u0 ( p / p0 ) n ,其中氣壓對放電電壓影響的特徵指數n與電壓類型和放電間隙的結構類型以及絕緣子類型等有關。Up to new, it is no report that the correction of effect of atmospheric condition on discharge voltage of external insulation is studied in the region 4000 m and above
而到目前為止,對海拔4000m以上地區大氣參數對外絕緣放電影響的研究國內外尚未見報道。分享友人