電表用互感器 的英文怎麼說

中文拼音 [diànbiǎoyònghùgǎnqì]
電表用互感器 英文
meter transformer
  • 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...
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 用 : Ⅰ動詞1 （使用） use; employ; apply 2 （多用於否定: 需要） need 3 （敬辭: 吃; 喝） eat; drink Ⅱ名...
  • 互 : 代詞（相互;彼此） each other; mutual
  • 感 : Ⅰ動詞1 （覺得） feel; sense 2 （懷有謝意） be grateful; be obliged; appreciate 3 （感動） move; t...
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 電表 : 1 （電氣儀表） any meter for measuring electricity （electric meter; ammeter; voltmeter etc ）2 ...
  1. 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。
  2. 1. this product is a new kind machinery induction - type electrical energy appliance. it adopts high coercive force aluminium nickl cobat material to make the special structure magnetic - hanged magnetic - propelled bearing. when it is electrified to operate, interrepulsion is produced between the bearing and the anxle so that it is electrified to operate. interrepulsion is produced between the bearing and the anxle so that it is suspend station. the friction loss is very small. it not only reduces energy exhaustion by a wide mardin, but also prolongs lifetime to 20 years and above

    1 dd951型長壽命單相電度表是金雀儀表有限公司新開發的高可靠性民用電度表，本產品系一代機械感應式電能計量器具。採用高矯頑磁力鋁鎳鈷材料制面的特殊結構磁懸磁推軸承，能電動物時軸承與軸之間產生相互斥力合其和處于懸浮狀，運轉磨擦損耗極小，不但便能耗在幅下降，而且壽命可能性延長到二十年以上。
  3. Ghg - electrical grade activated silica powder is produced by way of mingling on the basis of electrical grade silica powder. it has activt effect on surface & make silica powder mingled with resin, raise cohesive force between resin & silica powder, raise the water - resestance on the sunface and the compressive strength of pour object, reduce sediment, gradation & split, increase filler of silica powder, and replaced inpoted products on the producing line of imported dry type transfomer & high tension mutual induc tance equiment, it has been the best pouring insulate materual in electrical trade

    電工級活性硅微粉是在電工級硅微粉的基礎上進行偶聯化處理而製成，具有表面活性作用，能使用硅微粉與樹脂發生交聯，提高樹脂與硅微粉的粘結力和界面增水性，提高澆注體抗沖擊強度，減少沉澱、分層、開裂現象，增加硅微粉的填充量，在引進的乾式變壓器、高壓互感器生產線上已成功地代替了進口產品，成為電工行業理想的環氧澆注絕緣材料。
  4. The whole circuit ' s timing generation and synchronization was realized with cpld. as the channel of data transmitting, pof can isolate high voltage part and low voltage part efficiently. at the same time, a single chip processor was used to design a digital meter for the fiber current transducer

    系統採用cpld實現整個工作電路的時序發生和同步協調，利用光纖實現高壓部分和低壓部分的完全電氣隔離和實現信號傳輸，採用單片機技術實現混合式光纖電流互感器專用數字顯示儀表的設計。
  5. Manufacturer of liquid level, pressure, and optical sensors, and proximity switches for aviation, medical, transport, commercial, industrial and marine applications

    -主要生產智能儀表溫度儀表，熱工儀表醫用儀表電工儀表分流器互感器等系列和其配套產品。
  6. For the image acquisition of optical scan mode, normally, ccd image sensor is used to capture image, but in our system, due to the system request of micromation and high integration, cmos image sensor is adopted as the image collection device, and then the thesis gives a interface circuit between the chip and dsp and a control solution of image collection ; toward the information storage in our solution, dsp is directly linked to usb host chip and it is the dsp that accomplishes the processing of usb protocol and interface control so as to reduce the cost, minimize product cubage and consequently meet the requirement of system micromation ; at the same time, the thesis probes preliminarily into usb otg ( on - the - go ) technology, which offers an approach between embedded machines including pda, mobile phone, printer, digital camera and so on ; in addition, some attempts on the other application area with tms320vc5402 which was commonly used to voice processing and static image processing are done, for example, to arrange the chip to control lcd module directly

    在圖像的光電掃描輸入上，傳統方案大部分採用ccd型圖像傳感器，而在本方案中，根據系統微型化、高集成的特點，使用了cmos圖像傳感器作為攝像器件，並且設計了該晶元與dsp的一種介面電路以及圖像採集控制方案；在信息存儲上，本方案採用dsp直接與usbhost晶元連接，由dsp處理usb協議和介面信息，從而降低了系統成本、縮小了產品體積，滿足了系統微型化的要求；同時本論文也對usb - otg技術進行了初步探討，利用此項技術，不再需要計算機作為主機，就能實現在pda 、移動電話、印表機、數碼相機等嵌入式應用之間直接互聯通信；另外也對廣泛用於語音處理和靜態圖像處理的tms320vc5402其它方面的應用進行了嘗試，比如直接控制液晶顯示器等。
  7. This thesis analyses the present situation of energy metering in bishan network and some network at home, main factors which lead to inaccuracy of energy metering are dissected and the severity degree are pointed out. the method of enhancing accuracy of metering using modern technique are put forward which including : 1 ) modernization of meter, replacing the induction watthour meter with full electronic watthour meter ; 2 ) put real time change of mutual inductor ratio of transformation into consideration, method on real - time computation are presented. 3 ) using full electronic watthour meter to measure fundamental power and harmonic power separately and discussing idea of billing on harmonic

    這些方法包括： 1 ）計量儀表的現代改造，用全電子式電能表代換感應式電能表； 2 ）計及互感器變比的實時變化，對互感器的變比進行實時模擬計算，並提出了實時計算的方法； 3 ）用全電子式電能表對基波電能與諧波電能分別計量，並討論了對諧波電能計費的觀點。
  8. Then virtual dielectric constant method is adopted to calculate the electric field distribution with floating electrodes, and equivalent conductance rate method is adopted to calculate the electric field distribution with surface filth or local puncture in the insulator, furthermore the value scope of virtual conductance rate and equivalent conductance rate are discussed and some useful results are got. for the solution of vortex loss of silicon steel sheets concerning current transformer, the h solution has also been put forward rather than traditional a ? ( p method in order to reduce calculation load

    採用虛擬介電常數法計算絕緣子存在懸浮導體的電場分佈，採用等效電導率法計算絕緣子存在表面污穢或局部擊穿情況下的電場分佈。對虛擬介電常數和等效電導率的取值范圍進行了討論，得出了一些有用的結論。對于電流互感器硅鋼片渦流損耗的計算，本文提出了不同於傳統的a -方法的h求解辦法，從而大大簡化了計算。
  9. Instrument transformers ; part 6 : requirements for protective current transformers for transient performance

    儀表用互感器.第6部分:瞬時特殊保護用電流互感器的要求
  10. Instrument transformers - part 6 : requirements for protective current transformers for transient performance iec 60044 - 6 : 1992, modified ; german version en 60044 - 6 : 1999

    儀表用互感器.第6部分:對具有瞬時傳送特性的保護性電
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