Arc Guard TVOC-2
Chengetedzo yezviwanikwa zvako zvakakosha
Iyo Arc Guard TVOC-2 inovaka pane yakakosheswa TVOC dhizaini uye inopa isingaenzaniswi arc yekutarisa. Neanopfuura makore makumi matatu echiitiko, Arc Guard System ™ yave chiyero cheindasitiri mumisika yakati wandei, ichibatsira kuchengetedza vashandi nemabhizinesi pasi rese. Iyo TVOC-35 ndeye optical yekuona sisitimu iyo pamwe chete neyekunze inotyora inogona kudzikamisa kukuvadzwa kunoitwa kuvashandi nemidziyo kana njodzi yearc ikaitika.
Kubatsira kukuru:
Kuwedzera kuchengeteka kune vashandi uye midziyo
Inoderedza nguva yekudzikira mushure mekunge tsaona yearc yaitika
Easy-ku-kuverenga interface inoita kuti ruzivo rwekuverenga rukurumidze uye ruve nyore
Nyore yekutanga-menu inokurumidza kuisirwa uye kuseta
Inogona kuwedzerwa nyore nyore neanosvika makumi matatu masensa kuti uwedzere kufukidzwa kwekabati kubva kune imwechete TVOC-30
Hapana calibration inodiwa inovimbisa yakavimbika basa uye nekukurumidza kuisirwa.
Main zvinhu:
DIN-rail kana screw mounting
Detachable kiyi-pad ine yakazara-mavara kuratidza (inogona kubata maviri maHMIs)
SIL-2 yakasimbiswa maererano neIEC 61508 uye IEC 62061 inova nechokwadi chekushanda kwakavimbika.
Rated kupa voltage: 100-240 V AC uye 100-250 V DC. Zvakare 24-48 VDC iripo
Modbus RTU kutaurirana protocol.
Nheyo yakakosha yearc mwenje yekudzivirira mudziyo ndeyekuona arc mwenje uye overcurrent. Iyo inotyora kuburikidza neiyo criterion musimboti weyakajairwa kuchengetedzwa uye inotora nhanho mukutora maviri asina-akabatana maparamita ekuona arc uye ikozvino seyero. Iyo ine diki yekukanganisa mwero uye yakakwirira kuvimbika kupfuura dzimwe dziviriro. Iyo arc light collection unit inoshandiswa pamwe chete neiyo main control unit uye chikamu chakakosha chearc kudzivirira system. Iyo inonyanya kushandiswa kuunganidza kukanganisa arc mwenje uye kupfuudza yakatongwa mhedzisiro kune main control unit kuburikidza nechiratidzo chemaziso. Imwe arc light acquisition unit inogona kuiswa, 16 arc light probes, nhamba yearc light acquisition units inogona kuwedzerwa kana kuderedzwa zvichienderana nehukuru hwehurongwa. Iyo arc light collection unit inowanzoiswa mune yakasarudzwa switch cabinet. Nheyo yekusarudza ndeyekuona kuti iyo yakakodzera fiber kushandiswa kweyuniti idiki sezvinobvira.
Izvi zvinotevera chigadzirwa chemhando uye kuiswa kwayo:
TVOC-2-240, TVOC-2-240-C, TVOC-2-DP1, TVOC-2-DP2, TVOC-2-DP4, TVOC-2-DP6, TVOC-2-DP8, TVOC-2-DP10, TVOC-2-DP15, TVOC-2-DP20, TVOC-2-DP25, TVOC-2-DP30, TVOC-2-DP60, TVOC-CSU, TVOC-1TO2-OP1, TVOC-2-E1, TVOC-2-OP1, TVOC-2-OP4, TVOC-2-OP6, TVOC-2-OP8
Arc mwenje dziviriro inoreva chokwadi chekuti iyo magetsi system inogona kukonzera arc mwenje nekuda kwezvikonzero zvakasiyana-siyana zvepfupi. Iyo arc mwenje ichaputika nekumhanya kwe300m / s, ichiparadza chero chinhu chiri munzira. Chero bedzi iyo sisitimu inogara ichigoneswa, iyo arc inogara iripo. Kuti tideredze kukuvadza kwearc mwenje, isu tinofanirwa kucheka mwenje wearc zvakachengeteka uye nekukurumidza. Izvi zvinogona kudzivirira mushandisi kubva mukukuvadzwa kana arc light kutadza, uye inogona kuderedza dhigirii rekukuvara kwepfuma. Arc light protection.
Kugadzirwa kwearc light:
An arc chiitiko chinoitika panguva yekubuda uye chinoitika kana voltage iri pakati pemapoinzi maviri inodarika simba-frequency insulation simba muganho. Kana mamiriro akakodzera akaitika, plasma inotakura ikozvino inogadzirwa uye haizonyangarika kusvikira mudziyo wekudzivirira uri padivi remagetsi wabviswa. Mhepo insulator yakanaka kwazvo pasi pemamiriro akajairwa, asi inogona kuve conductive conductor kana makemikari ayo uye emuviri zvimiro zvachinja nekuda kwekukwira kwekushisa kana zvimwe zvinhu zvekunze.
Chero bedzi iyo voltage pamagetsi inokwana kubhadhara kurasikirwa kwekupisa uye kuchengetedza tembiricha yakakodzera, iyo arc icharamba ichiitika. Kana iyo arc yakatambanudzwa uye yakatonhodzwa, mamiriro anodiwa kuti aichengetedze anoshaikwa uye anodzima. Saizvozvo, arc inogona kuitika kana zvikamu zviviri zvedunhu zvakapfupikiswa. Dunhu diki idiki-impedance yekubatanidza pakati pemakondakita maviri emagetsi akasiyana, achigadzira yakaderera-impedance conductor. (Somuenzaniso: maturusi esimbi akanganwika pabhabhu yekabhati, zvisungo zvisizvo, kana mhuka dzinopaza mukabati. Zvinogoneka) Kamwe dunhu diki raumbwa, rinokonzeresa kupfupika kukuru ikozvino kukosha, uye hukuru hwayo hunoenderana ne maitiro edunhu.
Arcing mune switch makabati uye control makabati
Simba repfupi-redunhu rakakwirira pedyo nebhokisi guru kana midziyo yemagetsi hombe (yakadai setransformer kana jenareta) uye magetsi akakwira kana kukanganisa kunoitika.
Maitiro ekugadzira arc mune kabati anogona kukamurwa kuita matanho mana:
l Compression nhanho: Iyo arc inogara munzvimbo yese yemhepo. Nekuda kwekuenderera kusunungurwa kwesimba, kupisa kunoitika, zvichikonzera convection uye nemwaranzi. Mhepo yasara mukhabhineti inopisa, uye tembiricha uye kumanikidza kukosha kwakasiyana munzvimbo dzakasiyana muchikamu chekutanga.
l Nhanho yekuwedzera: Kubva panguva ino zvichienda mberi, kudzvanywa kwemukati kunowedzera uye gomba rinoumbwa nekuda kwemhepo inopisa kwazvo inoyerera. Panguva ino kumanikidza kwayo kunosvika pakakwirira uye kunotanga kupera simba nekuda kwekusunungurwa kwemhepo inopisa.
l Kutangisa chikamu: Nekuda kwekuenderera kuburitswa kwesimba rearc, inenge mhepo yese inosvinwa kunze neine mwero asi inogara ichimanikidza.
l Heating nhanho: Mushure mekunge mhepo yadzingwa, tembiricha iri mukati mekhabhineti inoda kusvika pakupisa kwearc. Chikamu chekupedzisira chinotanga kubva ipapo kusvika chabuda. Panguva ino, simbi dzese uye zvinodzivirira zvinosanganiswa pamwechete mushure mekurwiswa nemagasi, utsi, uye zvidimbu zvechinhu chinoparadza.
Kana iyo arc ikaitika munzvimbo yakavharwa kwazvo yemidziyo, mamwe ematanho ari pamusoro anogona kusaitika kana kuita diki mhedzisiro; zvisinei, masaisai ekumanikidza anoumbwa akapoteredza arc uye anoita kuti tembiricha ikwire.
Njodzi yeArc Chiedza:
Chiedza chearc chinogadzirwa nekutadza kwemukati wemukati we switchgear kuchaita kuti kudzvanywa uye tembiricha mu switchgear iwedzere nekukurumidza. Kana ikasabviswa nenguva, inogona kukonzera njodzi huru dzinotevera:
l Tembiricha yepakati yearc mwenje (yakaenzana ne2 kusvika 4 nguva tembiricha yezuva, ingangoita 10,000 kusvika 20,000 ° C) inotungamira mukunyunguduka uye gasification yemhangura nealuminium bars.
l Tambo yakanyungudutswa uye jekete retambo riri pamoto;
l Chigadzirwa chekuchinja chinodedera nechisimba uye chinosunungura zvakagadziriswa zvikamu;
l Ita iyo yekumusoro-level transformer kuti imirire pfupi-circuit pfupi-yedunhu kuvhunduka. Simba remagetsi rinogadzirwa nekukanganisa ikozvino rinogona kuita kuti transformer winding ienderere mberi uye inokonzera inter-turn short circuit;
l Iyo arc shock wave inogadzirwa nekukanganisa inoputika nekumhanya kwe300m / s, iyo inogona kuparadza chero chinhu munzira. Kana ikakanganisa iyo DC system muchiteshi uye ichikonzera kuti chiteshi chese chishaye simba, zvinokonzeresa kurasikirwa kusingagadzirike;
l Magasi ane muchetura anokonzerwa nokupisa anogona kukanganisa upenyu kana akafemerwa nevanhu;
l Kupisa kwakanyanya kunopisa ganda, chiedza chakasimba chinokuvadza maziso
l Kuputika kweruzha kukuvadza eardrum nemapapu;
l Marara anoputika akabhururuka, achikonzera kukuvara.
Iyo arc light sensor inoona kusimba kwechiedza chearc, inotumira chiratidzo chechiedza chearc kumudziyo wekudzivirira chiedza chearc, uye inotarisazve kuti simba regadziriro rinofanira kugurwa zvichienderana nekusimba kwechiedza chearc. Naizvozvo, iyo arc sensor inoita basa rakakosha mune yese arc kudzivirira system.
Arc light sensor inoshanda:
Iyo arc light sensor inoiswa mune imwe neimwe kamuri ye switch kabati. Kana iyo arc mwenje inogadzirwa uye nekupiswa, kusimba kwechiedza kuchawedzera kamwe kamwe. Iyo arc light sensor inotumira meseji kuburikidza nekuchinja kwechiedza induction kuona kukosha kwekuchinja kwearc light sensor. Mushure mekupfuura kukosha kwekuseta, inotumirwa zvakananga kune optical tambo Kuwedzera unit kune main unit. Kuburikidza nekuona nekukurumidza kwearc mwenje, inogona kuramba yakasimba kukanganiswa kwemagetsi kana wedunhu wavhurwa, uye nguva yekubuda chiratidzo cherwendo ipfupi.
Kuiswa kweArc sensor:
Kana iyo arc light sensor yakaiswa mu 35 kV switch cabinet, imwe arc light sensor inofanira kuiswa mune imwe neimwe yebhasbar compartment uye busbar-side isolation switchgear room. Kune 10 kV switchgear, kana bhasibar uye bhasi-side isolation switch iri mukamuri imwechete, imwe chete arc light sensor yakaiswa; kana bhasibha uye busbar-side isolation switch isiri mukamuri imwe chete, inoda kuiswa zvakasiyana. Izvo zvinodikanwa kuve nechokwadi chakakwana chekudzivirira chinhambwe uye kuona arc mwenje mu cabinet.
Arc light protection ndeye kukurumidza kudzivirira kwemukati kukanganisa kwe35 kV uye 10 kV mabhasi mabhawa uye switch makabati, ayo anogadziriswa zvinoenderana nechikamu chebhazi; ndiko kuti, chikamu chimwe nechimwe chebhazi chinogadziriswa ne1 main unit, akati wandei ekuwedzera mayuniti uye akati wandei arc sensors. Huwandu hwemayuniti ekuwedzera hunofanirwa kuenderana nenhamba yearc sensors. Imwe neimwe switch cabinet ine arc sensor, iyo inogona kunyatso chengetedza pfupi pfupi yebhazi inokonzerwa nekuputika kwekuchinja nekuda kwekukundikana kwebazi rekudyisa, iro rinogona kutamba zviri nani kushanda kwegadziriro yekudzivirira uye kuchengetedza yakafara. range.
Nheyo uye basa rearc mwenje kudzivirira mudziyo:
Iyo sisitimu inogona kuita mabasa akasiyana-siyana ekudzivirira midziyo yakasiyana-siyana maererano nemitemo inotevera yekushanda: 1. Maitiro ekugadzirisa maitiro ekuchengetedza maitiro maitiro maviri ekukanganisa kuitika: arc uye overcurrent components; chete kana arc uye overcurrent zvichionekwa panguva imwe chete Chiratidzo cherwendo chinobudiswa: 2. Chiratidzo chekuchengetedzwa kwemaitiro mamiriro ekugadzirisa kukanganisa: arc light component; chiratidzo cherwendo chinobudiswa kana arc chiedza chikaonekwa: 3. Mucherechedzo wegadziriro yekudzivirira chiito imamiriro ekutadza kuitika: overcurrent component; Chiratidzo cherwendo chinobudiswa kana overcurrent ichionekwa: 4. Chiratidzo chemaitiro ekudzivirira maitiro ndiwo mamiriro ekuitika kwekukanganisa: chikamu chearc, chiratidzo cherwendo chinobudiswa kana arc ichionekwa; panguva imwecheteyo, chirevo chegadziriro yekudzivirira chiito mamiriro maviri ekukanganisa. Mamiriro: Arc uye overcurrent zvikamu. Kana chiratidzo che arc uye overcurrent chikaonekwa panguva imwe chete, chiratidzo cherwendo chinobudiswa: 5. Chiratidzo chekuchengetedzwa kwegadziriro chiito chinokanganisa chiitiko: Overcurrent component. Kana iyo overcurrent ichionekwa, chiratidzo cherwendo chinoburitswa; Pane mamiriro maviri ekukanganisa kwemaitiro ekudzivirira maitiro panguva imwe chete: kukanganisa mamiriro: arc chiedza uye overcurrent components, kana ichionekwa panguva imwe chete Chiratidzo cherwendo chinobudiswa apo arc chiedza uye pamusoro pezvino: 6. Izvo zviri pamusoro pezvishanu zvekudzivirira mabasa zvinogona kuva yakaitwa mune imwecheteyo arc light protection system panguva imwe chete.
MuChina, BB yakagadzira hwaro hwakasimba hwekugadzira mukufambiswa kwemagetsi uye kugovera, otomatiki zvigadzirwa uye masisitimu kuburikidza nekubatana kwepedyo nevadyidzani veko. Bhizinesi rayo rinosanganisira mutsara wakakwana wemagetsi emagetsi uye kugovera kushandura; high, medium and low voltage switch; Magetsi dhiraivha masisitimu uye mota; marobhoti emaindasitiri, etc. Zvigadzirwa izvi zvakashandiswa zvakanyanya mumaindasitiri uye maindasitiri emagetsi. ABB inovavarira yemhando yepamusoro, uye makambani ayo uye zvigadzirwa zvave bhenji muindasitiri. Kugona kweABB muinjiniya uye manejimendi manejimendi kunoratidzwa munzvimbo dzakasiyana siyana sesimbi, pulping, chemistry, indasitiri yemotokari, indasitiri yemagetsi otomatiki, uye masisitimu ekuvaka.
ABB akangwara tekinoroji inobatsira vatengi kuchengetedza simba, kuwedzera kushanda pamwe nekuvandudza kugadzirwa kwekuita, kubatsira mukuzadzikiswa kwesimba, maindasitiri, kutakurwa uye kukwidziridzwa kwezvivakwa, uye kuona kusvetuka kwakapinza muketani yeindasitiri ine kukosha kwakanyanya kuwedzerwa uye kuvaka kweiyo yakanaka ecological nharaunda.
Tekinoroji yeABB yakachinja nyika
Kwemakore anopfuura zana, ABB yakaenderera mberi ichikurudzira hunyanzvi hwekuvandudza. ABB haina kungogadzira uye kupayona akawanda emagetsi uye otomatiki matekinoroji uye akachinja nyika nhasi. ABB yakachengetedzawo nzvimbo yayo yehunyanzvi munzvimbo idzi kwemakumi emakore.
