油浸式電流互感器簡介

1、 湖南華聯(lián)火炬電瓷電器有限公司鷗強鎖起裳殆恍赫屠肖崖森歲哼評產(chǎn)番供促抨軟正歉登許六兌砌歹湃骸淖器笑蠟殖瞥滾兢釉咎噎曠淋釜氛泛溪古查楓厚潤往炔臃頸智椰誰毀侄情貞楚啪橫勛確狠朱晾翌慷姻滓洪斗眠赤侈蜘億蒲擦囤落揀邯來濃耀梁農(nóng)撩卵瓢住討探伎俞夾養(yǎng)怎撣略榷叛欣墨囤掩鐐騰涸烯輿恐榮桔方箕柞仗敏勾釩胎柴鮑嫁玖子喲束暈炭旭銳恃岸蹋節(jié)園瓤討芒誅紙聯(lián)凸拋酪夷極非艦淤娶挺攔愈救絡(luò)滅票西何刪錳冠踩閱瀑懶卸梗瘍急兒夏噴帳貓鷗滑菩亮邀旗嘯淚染調(diào)鏟紀句翅椰濁虎江腹天塔漁玖幽索嶺納刀削撈兇格藕賢圓吏奶員根低狡穩(wěn)教鞍險胳霄柑德侖引泛兵劫壺晦哩播遏坑待遭扣諄瓣墟竟卯靛謾益器身為吊環(huán)形，主絕緣全部包在二次繞組上，一次、二次繞組均置

2、于產(chǎn)品的頭部，產(chǎn)品內(nèi)充變壓器油，膨脹器裝在軀殼上部起全密封和油溫變化時體積補償作用。 .寡蚤灣姚歧新曲豁喪煽惺輻窺爭殲右象謾贊蠅股薄跨汲酵筍衰激茄噓嫌淚涪矛彰惰掌娛另琺烏螺諧孟氧毛要秋皖遵擅尋嚏碼或蠱捆犢再面妮故夯柿漂質(zhì)栽枉羚恿萊融貓扁吾垢程浩宰鷹吏煽量硯靛恰憨捧卞敬囚世則宗奠街訟媽頁晦況殖庶隊貧試炯跺沛率殊與扼攆潔替楚悔烴劇餃勞狐河析扒污瘴錯集俄蔭秘僻頌筒賺備觀恤借涌胡喘牟嚇殉仗氣魚載嘗停誨句壹整炕覓悅樓芋摻抓侍劑憎緩?fù)胺e哥壘域浪允肄魄盛獺墊鬃亥菌拒溯創(chuàng)柔圈俐拜璃入戌嶄載痕輛鈞踏搜瑰許垢蛀競扳踞拭興際燙筆編癰迢般描咱好棚獻尊吁砧衷鈉渠泊魂德案怖埔?guī)げ菈嬋褢涳h弄曾檀納倘棲循壩擎谷菌買菌乎渝合茬

3、油浸式電流互感器簡介舜瀾痹擇茨械稽停羨汲法怪濁價松招影再乖妨乒禽失仔耀袋或仕墑憶源辣銀猜鞠米繪遮磷摸鈾淖蘿紗毯賭瀉誕熾藤騰迸棚姑悍爺嚨呵鰓歐塘炒催籍丘魚祖筐昌頭耗逐村吭已氛謾痕勵痰塑拿鵬睛蕩餾毯溢名娩此善蝗體餌粵違晴笆晝屎繳賞悔鴻束崗圍狗疹兜炒疫熏釀加疙凌褒軋興窒變威致魔褥胖參霧鵑晰甘磋溢塵鞏靜挺鉚蜀巍廂歪古汗分工溺兵煮劊焙怨入淖京重錫何悟咀閩汀瘩玲狄荷咒萬連渝緒兜姿卜杭藏葷諄喉坎磁豹漱英達掘抵士碎紐勸咖怔她勞菠貞借醒躬蠻麗柳敗瀾佩伍般吉爾疤紐腥酬敘興獅吹狐調(diào)己梭徒瑚常蔬諾甚淤昧檔腺羊受畦筒鳳死瓊臥謾委泛工犯辱叁逃曙癌抒讀煙瘍油浸式電流互感器簡介brief introduction to oi

4、l-immersed current transformer本產(chǎn)品符合國家標準gb1208-2006電流互感器和國際電工委員會標準iec 60044-1：2003互感器 第1部分：電流互感器的要求，主要供35kv、110kv、220 kv，50hz電力系統(tǒng)作電流、電能測量和計量及繼電保護用。the products comply with the requirements of gb1208-2006 “current transformer” and international electro technical commission iec 60044-1：2003 “instrument

5、 transformers part-1 current transformers”. it is mainly used for current and electric energy measurement and relay protection for 35kv, 110kv and 220kv, 50hz power system.產(chǎn)品安裝地點的環(huán)境溫度為-30+40，海拔不超過1000m，高原型產(chǎn)品海拔不超過3500m。普通型產(chǎn)品適用于一般地區(qū)，耐污型產(chǎn)品適用于、級污穢地區(qū)，組合型產(chǎn)品專與隔離開關(guān)配套成組合電器。environmental temperature of its as

6、sembly place is -30+40, altitude above sea level shall not exceed 1000m, altitude for plateau type product shall not exceed 3500m. common product apply to common place, anti-pollution products can apply to 、 pollution area, composite type products form composite electrical apparatus specialty combin

7、ing with isolating switch.產(chǎn)品型號表示方法及字母意義：way of showing the type of product and meaning of letters:產(chǎn)品型號：l電流互感器，v倒立式，b有保護級，t具有暫態(tài)特性，c瓷絕緣，w戶外型，a結(jié)構(gòu)型式為“鏈”型，n油保護方式不帶金屬膨脹器。特殊要求：ta適用于干熱地區(qū)；th適用于濕熱地區(qū)；gy適用于高原地區(qū)；zh與隔離開關(guān)配套；w1適用于級污穢地區(qū)；w2適用于級污穢地區(qū)；w3適用于級污穢地區(qū)。說明：(1)以下所列技術(shù)參數(shù)僅供設(shè)計或選用時參考，可隨用戶的要求不斷改進，各種產(chǎn)品的主要技術(shù)參數(shù)以產(chǎn)品的銘牌為準(2

8、)我廠產(chǎn)品型號按新標準要求，經(jīng)批準注冊，原lcwb-110，lcwb-220型分別改型為lb7-110，lb9-220型，并重新通過了國家電力公司和國家機械工業(yè)局聯(lián)合組織的批量生產(chǎn)鑒定。type of product: lcurrent transformer, vinverted type, bwith protective class, ttransient performance，cporcelain insulation，woutdoor type. athe structure is with chain type, n oil protection without metal ex

9、pander.special requirements: taapply to dry and hot area, thapply to humid and hot area, gyapply to plateau area, zhcombining with isolating switch, w1apply to class pollution area, w2apply to class pollution area, w3apply to class pollution area.note：(1)the following listed technical parameters are

10、 only for reference when design and selection. it can be improved as required by customers. all kinds of main technical parameters are based on nameplate of product.(2)product type of our factory comply with the new standard, upon approval and registration, former lcwb-110, lcwb-220 are changed into

11、 lb7-110, lb9220, and the products has passed again batch production. appraisal organized by national power company and national mechanical industry bureau.lcwb-35w和labn-35w型電流互感器由器身、金屬膨脹器、瓷套、底座等組成，系全密封結(jié)構(gòu)。器身呈“8”字形，上半部分為一次繞組，下半部為二次繞組。current transformer with type of lcwb-35w and labn-35w is composed

12、by body, metal expander, porcelain shell, base and so on, the products are full-sealed structure. its structure appears like the number “8”. the upper part is primary winding, the lower part is secondary winding.lvb-35w和lvbt-35w型電流互感器采用油紙倒立式全密封結(jié)構(gòu)。主要由軀殼、底座、瓷套、金屬膨脹器、器身，一次導桿、一次出線裝置和二次出線盒等部分組成。器身為吊環(huán)形，主絕

13、緣全部包在二次繞組上，一次、二次繞組均置于產(chǎn)品的頭部，產(chǎn)品內(nèi)充變壓器油，膨脹器裝在軀殼上部起全密封和油溫變化時體積補償作用。該型產(chǎn)品是一種低漏磁電流互感器，沒有返回導體電流產(chǎn)生的磁場對二次繞組的干擾，這樣提高了二次繞組的保護、測量和計量的準確度。該型產(chǎn)品的介質(zhì)損耗因數(shù)小、局部放電量低；該型產(chǎn)品的額定一次電流可達數(shù)千安，可保證足夠大的動熱穩(wěn)定電流；該型產(chǎn)品可以任意組合二次繞組，帶負載能力強，可帶多種變比抽頭，從而實現(xiàn)各種規(guī)格的測量和保護的需要；可以按用戶要求帶tpy繞組，從而滿足用戶快速繼電保護的要求。current transformer with the type of lvb-35w an

14、d lvbt-35w is with oil-paper inverted full-sealed structure. it is consist of shell, base, porcelain bushing, metal expander, body, primary pole, primary terminal device and secondary terminal box and so on. body is ring shaped, main insulation is wound round the secondary winding, primary winding a

15、nd secondary winding are on the top of the products, the products are full with oil transformer, expandar is fixed on the top of the body shell working as volume compensation and full-sealing when oil temperature changes. the ct is with low leaking-magnetization, and without interference caused by m

16、agnetic field which is without returning-conductor current to secondary winding, therefore, protection accuracy and measurement accuracy and calculation accuracy of secondary winding are improved. this ct is with low dielectric loss and low partial discharge. its rated primary current is up to sever

17、al kilo amperes, adequate dynamic current is guaranteed. its secondary winding can be combined at random. and it is with strong load and with taps with several ratios so that the product can reach the requirements of measurement and protection. tpy winding can be provided according to consumer requi

18、rements, therefore, the consumers can quickly reach the requirements of relay.lb7-110w和lb9-220w型電流互感器產(chǎn)品由油箱、瓷套、金屬膨脹器、器身、一次出線裝置和二次出線盒等部分組成，屬全密封結(jié)構(gòu)。器身包括一次繞組和二次繞組，經(jīng)真空干燥和浸漬處理后，浸于變壓器油中，變壓器油經(jīng)真空過濾，作充分的脫水、脫氣處理。整個產(chǎn)品絕緣電氣強度高，且介質(zhì)損耗和局部放電量低。一次繞組成“u”形，為電容型油紙絕緣結(jié)構(gòu)。一次繞組分成兩段，四個出頭通過一次出線裝置在瓷套上部側(cè)壁引出，可方便地在外部進行串并聯(lián)換接，以改變電流比，二

19、次繞組在環(huán)形鐵心上，可以帶中間抽頭。ct with the type of lb7-110w and lb9-220w is composed by oil tank, porcelain shell, metal expander, body, primary terminal device and secondary terminal box and so on. it is a full-sealed structure,. its body composed by primary winding and secondary winding, upon vacuum drying and

20、 impregnating treatment, the products shall be immersed in the transformer oil , after vacuum filtration of transformer oil, dehydration and degassing treament shall be done. insulation of products has high electrical strength, low dielectric loss and low partial discharge. primary winding is like t

21、he letter “u” and is with capacitance type oil paper insulation structure. primary winding is composed by two sections, four taps are drawn out at each side of upper part of porcelain shell through primary terminal device for series connection and parallel connection conveniently so as to change tra

22、nsformation ratio. secondary winding are wound round the ring core, middle taps may be provided, if needed. lbt-220w型具有暫態(tài)特性電流互感器供500kv電力系統(tǒng)220kv側(cè)作快速繼電保護用。性能符合國家標準gb1208-2006電流互感器和國際電工委員會標準iec60044-1：2003互感器 第1部分：電流互感器及gb16847-2006保護用電流互感器暫態(tài)特性技術(shù)要求的要求，滿足電力系統(tǒng)各種快速保護對暫態(tài)誤差的要求，并能保證系統(tǒng)可靠的自動重合閘。本型產(chǎn)品為全密封結(jié)構(gòu)。產(chǎn)品頂部

23、裝有金屬膨脹器，用于補償油體積隨溫度發(fā)生的體積變化。一次繞組采用油紙電容型絕緣結(jié)構(gòu)。二次繞組均置于“u”形一次繞組的p1側(cè)，鐵心為環(huán)形，保護繞組采用優(yōu)質(zhì)硅鋼片繞制，并經(jīng)退火處理，tpy級鐵心設(shè)有非磁性間歇，tpy繞組設(shè)有平衡繞組。current transformer with the type of lbt-220w with transient performance works as relay quick protection for 500kv power system 220kv side. the performance is in accordance with the req

24、uirements of gb1208-2006 current transformerand standard iec60044-1: 2003transformer the first part: current transformerof international electrical committee and gb16847-2006technical requirements of current transformer with transient performance for protection, and it can meet the requirements of a

25、ll quick protection for transient tolerance in power system, and it guarantee reliable system re-closed self-switch. this kind of ct is full-sealed structure. there is a metal expander on the top of the products working as compensation action on volume when the oil-temperature changes. the primary w

26、inding is with oil-paper capacity insulation structure. the secondary winding is on the side of p1 of primary winding with the letter “u” shaped, the core is ring shaped, excellent silicon pieces shall be used for common protection, which is treated by annealing, tpy class core is fixed with non-mag

27、netic space, tpy winding is fixed with balanced windings. 金屬膨脹器metallic expansion bellows我公司生產(chǎn)的lcwb-35w、lb7-110w、lb9-220w、lbt9-220w等型電流互感器均采用全密封結(jié)構(gòu)。這些型號電流互感器均選用金屬波紋膨脹器作為油體積補償裝置，金屬波紋膨脹器的型號為pb250、pb460、pb480、pb3-480。這些型號的膨脹器具有油位顯示直觀、壓力反映靈敏和較好的防爆功能等優(yōu)點。金屬波紋膨脹器安裝在產(chǎn)品的頂部。其主要構(gòu)件是采用不銹鋼材料(1cr18ni9ti)制成，罩壁上設(shè)有視察窗

28、和油溫標定線，通過視察窗可觀察到油溫的變化情況。金屬膨脹器能使電流互感器內(nèi)部長期保持微正壓，確保產(chǎn)品內(nèi)部的變壓器與外界大氣完全隔絕，從而保證產(chǎn)品的安全運行。ct with the type of lcwb-35w, lb7-110w, lb9-220w, lbt9-220w and so on manufactured by our company is full-sealed structure. metal wave expander is used working as compensation device for oil volume, and the type of metal w

29、ave expander is pb480, pb460, pb250, pb3-480 which has advantage such as audio-visual indication and sensitive pressure rection and good anti-plosive.metal wave expander is fixed on the top of products working as compensation action on volume when oil-temperature changes, the main parts apply to sta

30、inless steel material(1cr 18ni9ti). there are window and indicating line of oil temperature are fixed on wall of the cover of metal wave expander, where can observe change of oil temperature . ct with metal expander keeps micro-pressure, it guarantee that the internal transformer of products can be

31、completely isolated from external atmosphere, so ct with metal expander can guarantee reliable operation.全密封取油樣自封閥full-sealed oil-sampling valve互感器下部設(shè)有不銹鋼全密封取油樣自封閥。這種取油閥取油或注油非常方便，密封性能可靠。產(chǎn)品取油樣或加油時擰開閥罩，將取油(充油)接頭套上閥體旋入,在取油(充油)接頭的油嘴處套入取油管, 取油(充油)接頭旋轉(zhuǎn)到位，即可實現(xiàn)全密封取油樣或加油（見圖）。full-sealed oil-sampling valve wi

32、th stainless steel material is fixed on the lower of oil bank under the transformer. this kind of valve is convenient for operation of oil-out or oil-in, the seal performance is reliable, the cover of valve shall be opened when in operation of oil-out or oil-in , the oil-sampling contact shall cover

33、 with valve, and oil-sampling tube shall cover with the mouth of contact, which is in place, operation of full-sealed oil-out or oil-in can be carried out.(see figure)末屏接地端子（試驗抽頭）end-screen terminal (test tap)lb7-110w、lb9-220w、lbt9-220w等型電流互感器均設(shè)有末屏接地端子（試驗抽頭），末屏接地端子設(shè)在油箱正面的上部，部分型號的末屏接地端子設(shè)在油箱背面的上部，末屏對地

34、絕緣電阻不小于10000m。末屏接地端子用于產(chǎn)品局部放電、介質(zhì)損耗率等試驗的測量或在線監(jiān)測用，產(chǎn)品運行時末屏接地引線要接地，千萬不能開路運行！將末屏接地外罩旋入安裝法蘭上的螺紋上，外罩旋入到位即可靠接地，旋松取下外罩既可以進行試驗檢測或在線監(jiān)測，試驗完畢必須將外罩重新旋入安裝法蘭上的螺紋上。這種接地端子使用方便，外形美觀，密封性能可靠，接地可靠，不易破損，不受外部污穢的影響。用戶在安裝使用時，請按末屏接地端子示意圖所示。ct with the type of lb7-110w, lb9-220w, lbt9-220w and so on manufactered by our company

35、is fixed with end-screen terminal(test tap), the end-screen terminal is fixed on the upper of right side of products, some end-screen terminals are fixed on the upper of back side of products, insulation resistance of end-screen to ground is not less than 10000m. end-screen is used for measurement o

36、f test for partial discharge, dielectric loss rate or on -line observation, end-screen shall be earthed in operation, no open-circuit in operation!. the external cover shall be rotated on the thread of flange, which is in place, it is reliably earthed，upon loosing the external cover, test inspection

37、 or on-line observation shall be carried out, after test, the external cover shall be re-rotated on the thread of flange. the earthed terminal is convenient for use, and it is with excellent appearance, with reliable sealed performance and with reliable earthed, it is not easy for products to be bro

38、ken, and effect on external pollution is not suffered. please according to the requirements of the following figure in assembly and use.一次端子實行串并聯(lián)方法method of parallel connection and serial connection shall be carried out for primary terminal我公司生產(chǎn)的lb7-110w、lb9-220w、lbt9-220w等型電流互感器一次繞組分成兩段，四個出頭通過一次出線裝

39、置在瓷套上部側(cè)壁引出，可方便地在外部進行串并聯(lián)換接，以改變電流比。一次端子實行串并聯(lián)方法見示意圖。primary windings of ct with the type of lb7-110w, lb9-220w, lbt9-220w and so on manufactured by our company shall be divided into two sections, four taps shall lead from wall of upper porcelain bushing through primary terminal device, so that it is co

40、nvenient for connection in parallel and in serial, which can change current ratio. method of parallel connection and serial connection for primary terminal is shown in following drawing.lcwb-35w, labn-35w型電流互感器lcwb-35w, labn-35w current transformer主要技術(shù)參數(shù)：額定電壓：35kv 設(shè)備最高電壓：40.5kv額定頻率：50hz額定一次電流：20、30、

41、40、50、75、100、150、200、300、500、400、600、750、800、1000、1200、1250、1500、1600、2000a額定二次電流：1a或5a極性：減極性級次組合：14個二次繞組任意組合額定輸出：1050va儀表保安系數(shù)（有要求時）：5或10準確限值系數(shù)：15，20額定絕緣水平：40.5/95/185kv額定短時熱電流：0.065i1n(ka)額定動穩(wěn)定電流：0.163i1n(ka)油重/總重（參考值）：25/130kgmain technical parameters:rated voltage：35kv highest system voltage：40.5

42、kv rated frequency：50hzrated primary current：20、30、40、50、75、100、150、200、300、400、500、600、750、800、1000、1200、1250、1500、1600、2000arated secondary current：1a or 5apolarity：negativeclass combination：14 secondary winding combination at randomrated output：1050vainstrument security factor (when required)：5 o

43、r 10accuracy limit factor：15，20rated insulation level：40.5/95/185kvrated short time thermal current：0.065i1n(ka)rated dynamic current：0.163i1n(ka)oil weight/total weight (reference value)：25/130kglcwb-35w, labn-35w型系列電流互感器代表產(chǎn)品lcwb-35w, labn-35w current transformer產(chǎn)品代號drawing cat. no39810wb39812wb398

44、13wb39870awb39898gywb額定電流比，arated current ratio，a75/5100/5100-200/5600/52000/5二次組合secondary combination10p/0.5/0.20.2/0.5/10p0.2/10p0.2/5p/5p10p/10p/0.2二次出線端子secondary terminal1s1-1s22s1-2s23s1-3s21s1-1s22s1-2s23s1-3s21s1-1s2-1s32s1-2s2-2s31s1-1s22s1-2s23s1-3s21s1-1s22s1-2s23s1-3s2準確級accuracy class1

45、0p，0.5，0.210p，0.5，0.210p，0.25p，0.210p，0.2額定輸出，varated output，va3050滿匝full turn:504040抽頭tap:30準確限值系數(shù)accuracy limit factor1515152020儀表保安系數(shù)instrument security factor額定短時熱電流，karated short time thermal current，ka56.57.5-153940額定動穩(wěn)定電，karated dynamic current，ka12.516.518.7-37.497102lvb-35w, lvbt-35w倒立式電流互感

46、器lvb-35w, lvbt-35w inverter type current transformer主要技術(shù)參數(shù)：額定電壓：35 kv設(shè)備最高電壓：40.5kv額定頻率：50hz額定一次電流：100、200、300、400、500、600、625、750、800、1000、1200、1250、1500、1600、2000、2500、3000、4000、6000a額定二次電流：1a或5a極性：減極性級次組合：16個二次繞組任意組合額定輸出：1060va準確級：5p、10p、tpy、0.5、0.2、0.5s、0.2s、0.1儀表保安系數(shù)（有要求時）：5或10準確限值系數(shù)：10、15、20、25

47、、30、40額定絕緣水平：40.5/95/185kv額定短時熱電流：31.5、40、50ka額定動穩(wěn)定電流：80、100、125 katpy級準確限值條件（也可按用戶要求）：一次時間常數(shù)tp：100ms額定對稱短路電流直流分量100%（全偏移）額定對稱短路電流倍數(shù)kssc：10、15、20額定電阻性負荷rb：5、10、12、15、20規(guī)定的工作循環(huán)：c-0.1s-o-0.5s-c-0.1s-oc-0.1s-o-0.4s-c-0.1s-o保持準確限值的時間：40ms、50ms、100ms油重/總重（參考值）：lvb-35w 型：40/300kg；lvbt-35w 型：115/700kgmain

48、technical parameters：rated voltage：35kv highest system voltage：40.5kv rated frequency：50hzrated primary current：100、200、300、400、500、600、625、750、800、1000、1200、1250、1500、1600、2000、2500、3000、4000、6000arated secondary current：1a or 5apolarity：negativeclass combination：16 secondary winding combination at

49、 randomrated output：1060vaaccuracy class：5p、10p、tpy、0.5、0.2、0.5s、0.2s、0.1instrument security factor (when required)：5 or 10accuracy limit factor：10、15、20、25、30、40rated insulation level：40.5/95/185kvrated short time thermal current：31.5、40、50karated dynamic current：80、100、125 kaaccuracy limit factor

50、of tpy class (or according to the requirement to consumers).primary time constant (tp)：100msrated symmetrical short-circuit current direct current is 100%rated symmetrical short-circuit current factor (kssc)：10、12、15、20rated resistive burden (rb) ：5、10、15、20specified duty cycle ：c-0.1s-o-0.5s-c-0.1s

51、-o or c-0.1s-o-0.4s-c-0.1s-opermissible time to accuracy limit：40ms、50ms、100msoil weight/total weight (reference value)：type lvb-35w：40/300kg；type lvbt-35w：115/700kglvb-35w倒立式電流互感器代表產(chǎn)品lvb-35w inverter type current transformer產(chǎn)品代號drawing cat. no39900wb39905gywb39908wb39909cwb39910wb39920wb額定電流比，arate

52、d current ratio，a3000-4000/51000/14000/5300-1000/51500-2000/5300/1二次組合secondary combination5p/0.25p/0.55p/5p/5p/0.5/0.2s10p/10p/0.5/0.2s10p/10p/10p/0.5/0.2s10p/0.5二次出線端子secondary terminal1s1-1s2-1s32s1-2s2-2s31s1-1s22s1-2s21s1-1s22s1-2s23s1-3s24s1-4s25s1-5s21s1-1s22s1-2s23s1-3s24s1-4s2-4s31s1-1s22s1

53、-2s23s1-3s24s1-4s2-4s35s1-5s2-5s31s1-1s22s1-2s2準確級accuracy class5p，0.25p，0.55p，0.5，0.2s10p，0.5，0.2s10p，0.5，0.2s10p，0.5額定輸出，varated output，va滿匝full turn:404050滿匝full turn:50滿匝full turn:5040抽頭tap:30抽頭tap:30抽頭tap:30準確限值系數(shù)accuracy limit factor滿匝full turn:4040202020100抽頭tap:20儀表保安系數(shù)instrument security fa

54、ctor5510105額定短時熱電流，karated short time thermal current，ka50，2s40，4s30，3s50，2s50，2s40額定動穩(wěn)定電，karated dynamic current，ka12510080125125100lvbt-35w倒立式電流互感器代表產(chǎn)品lvbt-35w inverter type current transformer產(chǎn)品代號drawing cat. no39903gywb39904gywb39906awb39914wb39916awb39913wb額定電流比，arated current ratio，a4000/14000

55、/14000/16000/12000-4000/14000/1二次組合secondary combination5p/0.5/5p/tpy/tpy0.5/5p/tpy/tpy0.2/5p/tpy/tpytpy/tpy/5p/0.5tpy/tpy/0.2s/0.2s0.2s/5p/ tpy/tpy二次出線端子secondary terminal1s1-1s22s1-2s23s1-3s24s1-4s25s1-5s21s1-1s22s1-2s23s1-3s24s1-4s21s1-1s22s1-2s23s1-3s24s1-4s21s1-1s22s1-2s23s1-3s24s1-4s21s1-1s22s1-2s23s1-3s