牽引供、變電、接觸網(wǎng)專(zhuān)業(yè)常用詞匯(中英文詳細(xì)對(duì)照表)

1、精選優(yōu)質(zhì)文檔-傾情為你奉上漢 英 部 分專(zhuān)心-專(zhuān)注-專(zhuān)業(yè)1.5 kV接觸線固定線夾1.5 kV contact wire attaching clamp 1.5kV彈性支撐1.5kV elastic support130型懸吊滑輪130 type pulley with suspension200型長(zhǎng)定位環(huán)200 type eye end holder for tube height 26型定位環(huán)26 type eye clamp26型定位器聯(lián)板26 type yoke for steady arm 26型螺紋過(guò)渡連接件26 type thread coupling 32型定位吊線環(huán)32 ty

2、pe dropper eye clamp 3 kV雙接觸線彈性支撐elastic support for 3kV twin contact wire88型懸吊滑輪88 type pulley with suspension 級(jí)青銅 bronze 型雙耳雙管線夾type twin tube clamp with double eyeB6 橋式電路B6 bridge circuitCJ下錨平衡板CJ anchor balance sheet ; balance sheet for CJ anchorC形環(huán)C-hook T形鋁匯流排T- aluminum bus barT形雙腕臂上底座upper b

3、racket for T- double track UT型耐張線夾UT-type strain-resisting clamp U形鋼線卡子（DIN1142）U- steel wire clamp U形掛環(huán)U-shackle U形螺絲U-bolt Y-接線star-delta connectionZ字形布置zigzag arrangement; Z- arrangementA安裝調(diào)試 erection and commissioning安裝工具installation tool 凹型墊塊concave washer for adjustable washer 奧氏體不銹鋼austenitic

4、 stainless steel B白霜hoarfrost擺動(dòng)聯(lián)板swinging strap擺式車(chē)體列車(chē)train with tilting body 半補(bǔ)償接觸網(wǎng)semi-compensated contact line半補(bǔ)償鏈形懸掛semi-tensioned longitudinal suspension; semi-tensioned overhead contact system (OCS) with catenary 半個(gè)補(bǔ)償錨段長(zhǎng)度length of half tensioning anchor section 半水平接觸網(wǎng)設(shè)備anchor ear; guide strap比熱

5、specific heat避雷器arrester避雷線lightning protection wire閉合狀態(tài)closed status 閉塞信號(hào)block signal變徑管接頭reducing socket變流器converter標(biāo)稱(chēng)接觸網(wǎng)高度nominal height of contact wire標(biāo)稱(chēng)截面為50mm2鍍鋅鋁包合金鍍層鋼絞線50mm2 coated Al-zinc steel strand wire冰雨super cooled rain波傳播系數(shù)coefficient of wave propagation波紋導(dǎo)體接頭corrugated rail bond 玻璃鋼定

6、位器GRP steady arm 玻璃鋼腕臂glass fiber reinforced plastic cantilever玻璃纖維加強(qiáng)塑料（玻璃鋼）GRP補(bǔ)償彈簧tensioning spring補(bǔ)償滑輪pulley with clevis補(bǔ)償棘輪wheel tension assembly補(bǔ)償器tensioning equipment; tensioning device; tensioner 補(bǔ)償裝置（棘輪）tension wheel equipment不均勻度degree of non-uniformity不平衡率unbalance不銹鋼stainless steel C操作浪涌過(guò)電

7、壓switching-surge操作過(guò)電壓 switching overvoltage操作機(jī)actuator側(cè)接觸式接觸軌side-contact conductor rail測(cè)試線private wire插入式支柱inserted pole叉梁diagonal bracing岔群區(qū)rack points差動(dòng)保護(hù)differential protection拆遷demolition and relocation纏線帶wind tape長(zhǎng)吊環(huán)extended clamp for suspension長(zhǎng)定位單環(huán)drop bracket 32/42/55 長(zhǎng)定位環(huán)extended steady ri

8、ng 長(zhǎng)定位雙環(huán)drop bracket常閉隔離開(kāi)關(guān)isolator normally closed常開(kāi)隔離開(kāi)關(guān)isolator normally open超高不足cant deficiency超載superimposed load; overload車(chē)庫(kù)（機(jī)務(wù)段）股道隔離開(kāi)關(guān)depot track disconnector車(chē)體接地預(yù)埋固定管grounding steady tube for trunk body 襯墊packer; sleeve襯套adapter; bush撐桿stay rod; stay bar撐螺栓stay bolt承力索 catenary wire; messenger

9、; messenger wire (MW)承力索弛度 catenary wire sag承力索電連接線夾electrically connecting clamp for catenary wire承力索吊弦線夾catenary wire dropper clip;dropper clip for catenary wire 承力索滑動(dòng)吊弦線夾catenary wire sliding dropper clamp; sliding dropper clamp for catenary wire承力索接頭線夾catenary wire splice 承力索雙線支撐線夾twin wire supp

10、ort clamp for catenary wire承力索線夾catenary wire clip 承力索線夾支持座catenary wire clip support 承力索中心錨接繩線夾mid-anchor connection clamp for catenary wire承力索中心錨接線夾mid-anchor clamp for catenary wire 承力索終端錨固線夾cone-type dead-end clamp for catenary wire; terminal anchor clamp for catenary wire; termination fitting f

11、or catenary wire 城市軌道交通urban rail transit 齒形雙耳楔形線夾gear-type clevis end wedge-type clamp 沖擊電流impulse current出線lead-out杵環(huán)桿ball-end eye-end rod 杵座鞍子ball socket end clamp; socket end clamp杵座雙耳ball socket杵座楔形線夾socket end wedge-type clamp 觸發(fā)脈沖start pulse觸指contact finger串并聯(lián)聯(lián)絡(luò)開(kāi)關(guān)series-parallel connecting sw

12、itch串式絕緣子link insulator垂直擺動(dòng)vertical oscillation垂直并聯(lián)板 vertical parallel plate垂直導(dǎo)線懸垂線夾conductor suspension clamp twisted 90º 垂直定位鉤（26）hook end clamp 26垂直絕緣定位鉤（26）insulated hook end clamp 26 垂直雙耳鞍子conductor suspension clamp twisted 90º垂直懸吊安裝支架vertical suspension installation support 瓷橫擔(dān)porcel

13、ain post insulator瓷橫擔(dān)肩架cantilever for porcelain post insulator 瓷套管絕緣子porcelain through insulator瓷支持絕緣子porcelain support insulator磁吹線圈blow-out coilD打入式探測(cè)driven probe打入式樁基礎(chǔ)driven pile foundation大地電阻率resistivity of soil帶玻璃鋼定位器的1.5kV彈性支撐 1.5 kV elastic support with GRP-steady arm 帶電的上定位索energized upper

14、cross-span wire; energized upper registration wire帶電線路hot line; energized line帶電作業(yè)hot-line work帶短路指示器電動(dòng)隔離開(kāi)關(guān)motor-driven disconnector with short-circuit indicator 帶耳環(huán)的長(zhǎng)棒式絕緣子long-rod insulator with eye-cap 帶鉤支持器swivel clip holder with hook帶減震元件裝置的拱腹式導(dǎo)軌支撐support for soffit conductor rail with damping e

15、lement 帶接觸線夾板的跨越雙道岔的接觸網(wǎng)overhead contact system ( OCS) crossing double points with contact wire clamping strap帶接地滅弧線圈系統(tǒng)resonant-earthed system帶輪保護(hù)的支柱pole with wheel protection帶旁路開(kāi)關(guān)的區(qū)間饋線柜section feeder panel with bypass disconnector帶雙接觸線的全補(bǔ)償鏈形懸掛硬錨overhead contact system(OCS) with tensioned catenary wi

16、re and twin contact wires fixed termination; fixed termination for all tensioned longitudinal suspension system with twin contact wires帶雙接觸線的全補(bǔ)償鏈形懸掛自動(dòng)補(bǔ)償下錨overhead contact system (OCS) with tensioned catenary wire and twin contact wires automatic-tensioned termination; automatic-tensioned termination

17、 for all tensioned longitudinal suspension system with twin contact wires帶一個(gè)定位器的隧道壁上支持裝置support in tunnel on wall with one steady arm帶有接地開(kāi)關(guān)的雙極旋轉(zhuǎn)式隔離開(kāi)關(guān)double-pole rotary disconnector with attached earthers帶中間絕緣的接觸線和導(dǎo)線連接contact line-conductor connection with intermediate insulation帶中間支柱的補(bǔ)償硬橫跨結(jié)構(gòu)tensioni

18、ng portal structure with intermediate pole單/雙耳連接器cross link eye/clevis單臂受電弓single arm pantograph單承力索吊弦線夾single catenary wire clip 單導(dǎo)線或集束導(dǎo)線single conductors or bundled conductors 單電車(chē)線的接觸網(wǎng)overhead contact system(OCS) with single trolley wire單耳連接螺栓13/19 eye-bolt 13/19 單耳連接器cross link (eye/eye) 單軌monora

19、il單肩槽鋼肩架FW cantilever 單孔楔子one-hole wedge單螺栓并溝線夾bolttype parallel groove clamp 單線路懸臂single track cantilever 單線路正定位pull-off for one track單懸掛（帶連接板）single suspension (with strap)當(dāng)?shù)乜刂苐ocal control當(dāng)量跨距equivalent span length導(dǎo)軌conductor rail 導(dǎo)軌絕緣子conductor rail insulator with claw; operating voltage up to 7

20、50V導(dǎo)軌線夾conductor rail clamp 導(dǎo)軌罩conductor rail cover 導(dǎo)軌罩支撐support for conductor rail cover導(dǎo)軌支撐conductor rail support 導(dǎo)熱能力thermal conduction capability 導(dǎo)熱性thermal conductivity 導(dǎo)體接頭rail bond導(dǎo)線安裝曲線wire installation curve導(dǎo)線交叉線夾conductor clamp 導(dǎo)線線夾crimped cable lug導(dǎo)向線夾guide clamp道碴ballast道岔turnout; switch

21、; track point 道岔側(cè)線支角point branching angle道岔放大distort the point道岔柱turnout mast 等效負(fù)載dummy load底座上的中間柱double-channel pole on bracket 地腳螺栓anchor bolt地下underground地線彎卡curved holder for earth wire 地線線夾earth wire clamp地線接軌用線夾clamp for connecting earth wire to rail地中電流earth current電動(dòng)開(kāi)關(guān)操作機(jī)構(gòu)electrical switch

22、mechanism電桿基坑pole pit電弧觸頭arcing contact電弧故障arc fault 電化股道electrified track; electric track電話干擾telephone interference電解銅E-Cu電抗性電流reactive current電抗性電壓降reactive drop電纜接頭cable connector 電纜接線罩cover for cable connection 電纜線卡cable clip電纜支架預(yù)埋固定管embedded steady tube for cable support 電力金具electric power fitt

23、ing 電力脂electric grease電連接線夾electric connecting clamp電流側(cè)mains side電流繼電器current relay電流強(qiáng)度intensity of current電流下降fall of current電路參數(shù)circuit parameter電路接線circuit connection電路圖circuit diagram電能electrical energy電能傳輸energy transmission電能存儲(chǔ)accumulation of electric energy電能輸送power transmission電屏panel board電

24、氣補(bǔ)充信號(hào)(帶/不帶方向箭頭的)electrical complementary signal(with/without)directional arrow電氣額定值electrical rating電氣連接分?jǐn)帱c(diǎn)electric joint電氣化electrification電氣化干擾electrification interference 電氣化鐵道electrified track電氣化鐵道改造electrified railway remodelling電氣檢測(cè)車(chē)electric equipment inspection railcar電氣鐵道electric railway電容cap

25、acitance電容補(bǔ)償capacitance compensation電容電荷capacitive charges電容器condenser電容器充電condenser charge電容器電抗condenser reactance電容器放電condenser discharge電容器組condenser bank(block)電勢(shì)electric potential電樞armature電網(wǎng)運(yùn)行管理operation of network電網(wǎng)指揮中心network command centre (NCC)電位potential; electrical potential電位差potential

26、difference電位移electric displacement電壓不平衡度voltage unballance電壓互感器potential transformer; pressure transformer; voltage transformer 電壓畸變率VD voltage distortion電壓降potential fall; voltage drop電壓升potential rise電壓突變abrupt change of voltage電壓下降fall of voltage電壓限制器(限壓器）voltage limiter電壓值magnitude of voltage電業(yè)管

27、理局power administration電涌放電器surge arrester 電源變壓器mains transformer電源電壓mains voltage電源開(kāi)關(guān)mains switch電子信息處理electronic information processing電阻率electric resistance; resistivity電阻率resistivity電阻損失ohmic loss電阻溫度系數(shù)temperature coefficient of resistance電阻系數(shù)coefficient of resistivity墊板rail tie plate墊片 pad; shim

28、; back-up plate; filler piece 墊圈grommet; washer；carrier (cushion, filler，insertion) ring；joint-packing吊環(huán)clamp for suspension; shackle; shackle with threaded pin and split pin ring 吊索hanging wire; bridle wire; stitch wire吊索導(dǎo)向托座bridle guiding device 吊索滑輪裝置bridle-and-pulley suspension吊索線夾bridle wire cl

29、amp 吊索支座bridle suspension 吊弦dropper吊弦保護(hù)套150 protective sleeve150 for dropper吊弦間距dropper spacing吊弦線夾dropper clamp 吊線鉤hook clip吊柱drop post; soffit post吊柱腕臂底座bracket for drop tube掉線blow-off疊加荷載superimposed load疊加原理principle of superposition疊片lamination頂緊垂直定位鉤hook end clamp with bolted-type 頂緊式鏟形連接管頭spa

30、de end fitting with hook頂緊水平定位鉤hook end fitting; bolted -type 定位臂registration arm定位鉤hook end fitting定位管registration arm; registration tube; steady tube定位管卡子holder for steady tube定位管支撐 support for registration tube定位環(huán)42/55/70 eye clamp 42/55/70 定位環(huán)cross-span hook clamp; eye end holder for tube 定位環(huán)線夾c

31、ross-span wire clamp; eye end clamp for strands 定位器hoop hold-off arm; steady arm定位器環(huán)link for steady arm定位器連接環(huán)link for steady arm定位器銷(xiāo)釘pin for steady arm 定位雙環(huán)twin bracket 定位索cross-span; cross-span wire; registration wire定位索彈簧cross-span wire springs定位索底座bracket for head span wire定位索定位支座cross-span drop

32、bracket定位線夾guide clamp; contact wire clip; steady clamp 定位銷(xiāo)釘grooved stud 16 (DIN43119) 定位支座42/55 drop bracket 42/55 定位柱registration mast 定位裝置registration device定相器phasing device定向耦合器directional coupler定向線圈directional coil動(dòng)觸頭moving contact 動(dòng)觸頭端子moving contact piece terminal動(dòng)電弧觸頭moving arcing contact動(dòng)

33、力變電所power transformer station; substation (SS)動(dòng)量加載整體基礎(chǔ)momentum-loaded block foundation動(dòng)態(tài)參數(shù)dynamic parameter動(dòng)態(tài)電感dynamic inductance動(dòng)態(tài)法dynamic analysis method動(dòng)態(tài)接觸壓力dynamic contact force動(dòng)態(tài)抬升dynamic uplift動(dòng)態(tài)質(zhì)量dynamic mass動(dòng)壓力dynamic pressure動(dòng)轉(zhuǎn)矩dynamic torque動(dòng)作器 actuator動(dòng)作線圈actuating coil鍍鋅鋼導(dǎo)線galvanized st

34、eel conductor鍍鋅鋼絞線zinc-clad steel strand wire鍍鋅可鍛鑄鐵galvanized malleable cast iron鍍鋅鋁包鋼絞線Al-zinc coated steel stranded wire鍍鋅銅絞線zinc-coated copper stranded conductor端子terminal端子板terminal block端子絕緣terminal insulator端子箱terminal box短路保護(hù)裝置short-circuit protection短路電流 (持續(xù)) 時(shí)間duration of short-circuit短路電流s

35、hort-circuit current短路監(jiān)視互感器short circuit detection transformer短路器short-circuiter短路強(qiáng)度short-circuit strength 短路載流量short-circuit current capacity短路裝置short-circuiting device 短時(shí)負(fù)載short-time load短時(shí)過(guò)電壓low-term overvoltage斷電notch-off斷開(kāi)彈簧cut-off spring斷流路interruption of current斷路電弧open-circuit arc斷路器（續(xù)斷器）int

36、errupter; circuit breaker; breaker；disconnector 斷路器單元circuit-breaker unit 斷相保護(hù)裝置open-phase protection鍛鋁合金wrought aluminium alloy對(duì)稱(chēng)變換symmetrical transformation對(duì)稱(chēng)補(bǔ)償symmetrical compensation對(duì)稱(chēng)分量symmetrical components對(duì)地電容capacitance to earth對(duì)地電阻resistance to earth對(duì)角支撐diagonal bracing多邊形跳閘起動(dòng)區(qū)域polygonal tr

37、iggering zones多個(gè)時(shí)間和方向距離級(jí)別several time and direction distance steps多弓several pantographs 多功能雙耳線夾multiple purpose clamp for pull-offs 多普勒因子Doppler factor多線路懸臂multiple track cantilever多相線電壓mesh voltage多相制邊電壓mesh voltage惰行coastingE額定的（標(biāo)稱(chēng)的）rated; nominal額定電路電壓nominal circuit voltage額定電壓rated voltage；nomi

38、nal voltage額定短路開(kāi)斷電流rated short circuit breaking current 額定功率nominal power; power rating額定功率因數(shù)rated power factor額定饋線電流rated feeder current 額定連續(xù)工作電壓rated continuous working voltage額定母線電流 rated busbar current額定容量nominal capacity扼流變壓器choke transformer扼流器choke扼流圈結(jié)點(diǎn)連接reactance coil (choke) joint bond軛流圈im

39、pedance coil軛鐵yoke iron耳環(huán)桿eye end rod; eye-bolt 耳環(huán)絕緣子ear insulator耳環(huán)帽絕緣子eye and tube end cap insulator; eye end cap insulator耳環(huán)懸式絕緣子ring suspension insulator二次側(cè)secondary side二次側(cè)開(kāi)關(guān)switch on secondary side二次的secondary二次電流secondary current二次擊穿secondary breakdown二次繞組secondary winding二次諧波second harmonics

40、二極管整流器diode rectifiers二階阻尼濾波器2nd-order damped filter F發(fā)電power generation閥型避雷器value-type arrestor arrester閥值threshold法拉第籠式結(jié)構(gòu)Faraday cage法蘭flange反電動(dòng)勢(shì)back electromotive force反定位pushoff反饋?zhàn)儔浩鱢eedback transformer反饋系數(shù)reaction coefficient反射角angle of reflection反射系數(shù)coefficient of reflection; reflection factor

41、反向串聯(lián)series-opposing反向電流inverse current反向電壓(反向電峰值) peak inverse voltage反向耦合back coupling反諧振anti-resonance方向繼電器directional relay方向開(kāi)關(guān)direction switch方墜陀weight; square 防串中心錨結(jié)anti-creeping mid-point anchor防風(fēng)定位環(huán)線夾eye clamp for wind stay防風(fēng)拉線wind stay; wind stay wire防腐蝕電纜corrosive-proof cable防護(hù)板支撐角鋼under br

42、idge fastening防雷線lighting protection conductors防爬裝置anti-creeping device防銹rustproof防雨式電氣設(shè)備rainproof electrical equipment防振錘damper防止干擾的shielded form interference仿真負(fù)載dummy load放大系數(shù)amplification coefficient 放電discharge放電管棒discharge pipe放電電阻discharge resistance放電火花discharge spark放電間隙discharge gap放電時(shí)間disc

43、harge period放電穩(wěn)壓器discharge voltage regulator放電終止discharge off放氣閥air escape valve放線unwind wire飛弧arc-over; overflash flashover非導(dǎo)體non-conductor非電磁un-magnetized非電化股道track without overhead contact system(OCS) equipment 非電化線路non-electrified track非接觸的接觸網(wǎng)交叉（不需安裝線岔，一支接觸線為非工作支）OCS cross without touching (with

44、out cross-contact bar; non-negotiated crossing)非絕緣吊弦cross-span hook clamp; uninsulated line dropper 非絕緣錨段關(guān)節(jié) non-insulated overlaps; uninsulated overlap非絕緣轉(zhuǎn)換柱uninsulated transition mast 非均勻度non-uniformity非線性負(fù)荷nonlinear load非線性特性nonlinear nature非載流吊弦dropper being not capable of carrying currents非自動(dòng)跳閘n

45、on-automatic tripping分布電感distributed inductance分布電容distributed capacitance分布負(fù)載distributed load分布繞組distributed coil分層結(jié)構(gòu)圖object-class hierarchy分段閉塞section blocking分段斷路器section switch分段隔離開(kāi)關(guān)section disconnecting switch分段絕緣器 section insulator分段母線sectioned bus bars分段支柱section supports分段裝置(電分段裝置)sectioning

46、分級(jí)調(diào)節(jié)器step switch分接接觸器tapping contactor分接開(kāi)關(guān)tap changer分接開(kāi)關(guān)控制tap changer control分控制中心satellite control center分裂電抗器disruptive reactor分流器shunt分路阻抗shunt impedance分區(qū)所coupling post (CP); section post分區(qū)亭section post；section cabin分散供電方式scattered feeding system分散式變流變頻變電所decentralized converter substation (DCS

47、)分散式串聯(lián)電容補(bǔ)償裝置compensator with scattered series capacitanco分散式靜態(tài)變頻變電所(decentralized) static converter substation (DSCS)分散式旋轉(zhuǎn)變流變電所decentralized rotating converter substation (DRCS)分線桿junction pole分線盒distribution box分相點(diǎn)(分相) phase separations分相段phase break分相回流線split-phase return wire分相機(jī)phase changer分相絕緣器

48、(中性段)事故自動(dòng)調(diào)節(jié)裝置automatic emergency neutral section (AENS)分相絕緣器split-phase insulator; neutral section insulator 分相器phase resolver分相裝置dead section; neutral section分閘by-pass off分支branch分支母線branch bus分支線夾universal parallel groove clamp分組(分段、分節(jié))sectionalization風(fēng)荷載wind load風(fēng)荷載體形系數(shù)drag coefficient風(fēng)偏deflectio

49、n due to wind風(fēng)偏移blow-off峰值電壓ceiling voltage峰值系數(shù)peak factor峰值負(fù)荷倍數(shù)ratio of peak load伏安特性volt-ampere characteristic幅度amplitude輔助承力索auxiliary catenary(messenger) wire 輔助觸頭auxiliary contacts 腐蝕corrosion負(fù)供電線negative return feeder負(fù)荷倍數(shù)ratio of peak load負(fù)荷電流load current負(fù)接觸軌negative conductor rail負(fù)序negative p

50、hase sequence負(fù)序補(bǔ)償度compensated coefficient for negative phase sequence power負(fù)序電流negative phase sequence current負(fù)載沖擊load impact負(fù)載平衡load equalization負(fù)載因數(shù)improved energy load factors附加導(dǎo)線additive wire; accessional wire 復(fù)合接觸網(wǎng)結(jié)構(gòu)compound overhead contact system(OCS) structure復(fù)鏈形接觸網(wǎng)compound overhead contact

51、system(OCS) with longitudinal suspension復(fù)位力 (腕臂阻力)resetting force (cantilever drag)覆冰ice accumulation覆冰荷載ice load覆裹冰層ice accretion G干擾disturbance; interference干擾電流disturbance current; interference current干擾范圍interference range干擾系數(shù)interference factor干擾雜音interference noise干式變壓器dry-type transformer干線電纜

52、main cable干線鐵路電氣化main line electrification桿上變壓器pole-mounted transformer桿裝式避雷器pole-mounting arrester桿裝式變壓器pole-type transformer桿裝式隔離開(kāi)關(guān)pole-mounting disconnection switch感應(yīng)induction感應(yīng)電機(jī)induction motor感應(yīng)電流induced current感應(yīng)電壓induced voltage感應(yīng)干擾induction disturbance; inductive interference感應(yīng)線圈induction co

53、il感應(yīng)作用induction effect剛性導(dǎo)軌接頭rigid conductor rail joint鋼軌rail鋼軌大地電位rail-earth potential鋼軌斷裂檢測(cè)rail-fracture detection鋼軌對(duì)大地的電壓track-to-earth voltage鋼軌回流rail return current鋼軌接地固定裝置railway earthing fixture鋼軌泄漏電阻rail leakage resistance鋼軌與設(shè)備之間的連接線connection line between rail and equipment 鋼軌縱向連接rail longitudinal bond鋼護(hù)環(huán)stainless steel thimble 鋼鋁復(fù)合接觸軌aluminium-steel composite conductor line鋼線steel wires鋼線卡子wire clip 鋼芯鋁電纜aluminium-steel cable; steel cored aluminium cable鋼芯鋁絞線(Al/St) steel cored aluminium st