Tataiso ea Li-Circuit Breakers

1. Ho Bapisa ka ho nepahetseng ha Li-Parameters tsa Transformer

• Matla a rekiloeng (Sn), -mosebetsi oa motlakase o mokhutšoane (Uk%), le -voltage lehlakoreng le leng la hajoale (In) a transformer ke motheo oa khetho. Lehlakore le tlase la{{3}voltage ea hajoale le ka baloa ho sebelisoa foromoHo=Sn×10³/(√3×U20)(moo U20 e leng motlakase oa lehlakore la bobeli la transformer). Boemo ba hona joale ba sekhechana sa potoloho bo tlameha ho ba kholo ho feta boleng bo baloang, 'me makhetlo a 1.2 ~ 1.5 a boloketsoe ho sebetsana le maqhubu a inrush.
• -Boemo ba nako e khuts'oane ba ho mamella nako ke sesupo sa bohlokoa. Nako e khuts'oane ea-circuit current lehlakoreng le tlase la transformer-e ka hakanngoa ho sebelisoa foromo.Ik=In×100/Uk%. Bokhoni ba ho robeha ha potoloho (Icu) bo tlameha ho ba bo boholo ho feta boleng bona. Ka tloaelo, lihlahisoa tse nang le matla a ho senya a 55kA kapa holimo li khethiloe, 'me 85kA ~ 150kA e hlokahalang bakeng sa maemo a thata a ho sebetsa.
• Molao o Kenyellelitsoeng: Matla a ho senya a lekantsoeng a potoloho ea potoloho e lokela ho ba kholo ho feta kapa ho lekana le boholo ba hona joale ba potoloho; boemo ba hona joale ba maeto a mangata bo tlameha ho hlophisoa ho makhetlo a 1.7 ho feta ha mojaro o sebetsa hona joale ho netefatsa karabelo e nepahetseng ea ts'ireletso ea boima bo feteletseng.

2. Ka{1}}Tlhaloso e Felletseng ea Mesebetsi ea Tšireletso

• Tšireletso ea li-transformer e tlameha ho akaretsa maemo a mararo a mantlha: boima bo feteletseng, potoloho e khuts'oane le phoso ea fatše. Tšireletso e feteletseng e lokela ho ba le sebopeho sa nako e fapaneng, eseng ho khoptjoa ka hare ho lihora tse 2 ka makhetlo a 1.05 ho feta hona joale le ho khoptjoa nakong ea hora e le 1 ka makhetlo a 1.3 ho feta hona joale. Tšireletso-e khutšoanyane ea potoloho e khetholla lipakeng tsa-karabelo ea mekhahlelo e 'meli: tieho e khutšoane (0.1~0.4s) le hang-hang (<50ms) to achieve selective disconnection and rapid fault isolation.
• Ha li-transformer tse ngata li sebetsa ka mokhoa o ts'oanang, li-circuit breaker li tlameha ho ba le mesebetsi e ikhethileng ea ts'ireletso. Ka khokahanyo ea maemo a holimo le a tlase{1}}ea maeto, ke sekhechana sa potoloho se fosahetseng feela se khaotsoang haeba ho ka ba le phoso, ho netefatsa phepelo e tloaelehileng ea motlakase ea lisebelisoa tse ling. Tšireletso e fokolang e etsoa ka ho lemoha ka tatellano ea -ka tatellano ea hona joale, ka maemo a tloaelehileng a 0.2~1In ho arabela ka potlako likotsing tsa ho lutla ha metsi.

3. Ho Ikamahanya le Maemo a Tikoloho le Tlhophiso

• Ho latela maemo a tikoloho, li-circuit breaker li loketse mocheso o itseng oa -25 degrees +40 . Lihlahisoa tse ikhethileng lia hlokahala bakeng sa maemo a-mocheso a tlase (-40 degrees) kapa mocheso o phahameng (+70℃), ka ho fokotseha ho ipapisitsoe le li-coefficients tsa mocheso. Ha bophahamo bo feta 2000m, ts'ebetso ea sepakapaka ea sepakapaka e ea fokotseha, 'me hona joale e lekantsoeng e tlameha ho lokisoa ho latela li-coefficients tsa bophahamo. The derating amplitude hangata ke 4% ~ 7% ho 3000m altitude.
• Mokhoa oa ho kenya o lokela ho kopanngoa le mohaho oa khabinete: mofuta o tsitsitseng o loketse sebaka{0}}maemo a fokolang, ha mofuta oa drawout o thusa ho lokisoa le ho lumella ho nkela setsi sa motlakase sebaka ntle le ho tima. Mekhoa ea ho hokahanya e ts'ehetsa likhokahano tse tšekaletseng, tse otlolohileng, le tse tsoakiloeng, tse lokelang ho khethoa ka mokhoa o utloahalang ho latela moralo oa libese.

4. Khetho e Fetohang ea Mesebetsi e Atolositsoeng

• Bakeng sa maemo a bohlale a tlhokahalo, ho ka khethoa li-circuit breakers tse nang le li-controller tse bohlale, tse tšehetsang-ho shebisisa nako ea 'nete ea paramethara joalo ka hona joale, voltage, le harmonics, hammoho le ho beha leihlo le le leng, alamo ea phoso, le lisebelisoa tsa ho hlophisa paramethara ho tsamaisa ts'ebetso ea dijithale le tlhokomelo.
• Maemo a khethehileng a indasteri a hloka ts'ebetso e ntlafetseng: masimo a macha a matla a hloka ho mamella likarolo tsa DC, indasteri ea lik'hemik'hale e hloka ho phatloha{0}}bokhoni ba ho hanyetsa bopaki le electromagnetic interference (EMC), 'me libaka tse feteletseng li hloka setifikeiti ke mekhatlo e nang le matla e kang UL/KEMA/TÜV ho hanela litšitiso tsa motlakase tse kang overvoltage le tšitiso ea maqhubu a seea-le-moea.
• Molao o Kopanetsoeng: Matla a lekantsoeng a ho lokolloa ha undervoltage a lokela ho lekana le motlakase o lekantsoeng oa potoloho e kholo; mosebetsi oa undervoltage oa li-circuit breaker bakeng sa -li-transformer tse phahamisitsoeng hangata li hloka ho koaloa ho qoba ho khoptjoa ho bakoang ke ho feto-fetoha ha motlakase. Mofuta oa sekhechana sa potoloho o lokela ho hlakisa palo ea lipalo (3P / 4P), le hore na ho lokisoa mochini oa ts'ireletso ea ho lutla ho lokela ho khethoa ho latela litlhoko tsa ts'ireletso. Ka mohlala, li-circuit breakers tse nang le tšireletso ea ho lutla li lokela ho khethoa libakeng tse mongobo kapa libakeng tse nang le batho ba bangata.
• Molao o Kopanetsoeng: Matla a sebetsang a lekantsoeng a motlakase oa potoloho a lokela ho ba kholo ho feta kapa ho lekana le motlakase o sebetsang oa mohala kapa thepa. Bakeng sa ts'ireletso ea phepelo ea motlakase, ho lokela ho nahanoa ka tšobotsi ea hore motlakase setsing sa phepelo ea motlakase e ka ba 4% ho feta ea boemelong ba thepa, 'me lihlahisoa tse loketseng li lokela ho khethoa ka nepo.

1.-Sistimi ea Tšireletso ea Maemo a Mangata bakeng sa Tšireletso e nepahetseng ea Transformer

Tšireletso ea overload e sebelisa theknoloji ea memori ea mocheso ho etsisa litšobotsi tsa ho futhumatsa tsa li-winding tsa transformer le ho qoba tšenyo e ngata ea boima. Nako e telele-ea ts'ireletso ea tieho (Ir) e ka lokisoa hantle ka har'a sebaka sa 0.4~1.2In, 'me e tlameha ho fihlela litlhoko tsa peakanyo ea makhetlo a 1.7 ho feta mojaro oa hajoale. -Tsireletso e khutšoane ea potoloho e kopanya tieho e khutšoane le karabelo ea hang-hang: tieho e khutšoane e tlisa ts'ebelisano 'moho le li-circuit breaker tse tlase-, athe karabo ea hang-hang e tlosa mathata a tebileng a potoloho{8} ho qoba ho khathala ho feteletseng.

• Tšireletso ea fatše e fumaneha ka mekhoa e 'meli: mofuta o fapaneng le mofuta oa hona joale oa lefatše. Mofuta o fapaneng o lemoha kakaretso ea vector ea-mohato oa maqhubu a mararo le a neutral line current, ha mofuta oa lefatše o lekola ka ho otloloha motlakase oa thapo ea fatše, ho netefatsa tšireletso e tšepahalang bakeng sa litsamaiso tse fapaneng tsa fatše. Lihlahisoa tse ling li boetse li na le ts'ireletso e atolositsoeng joalo ka ho se leka-lekane ha voltage, overvoltage, le undervoltage ho ikamahanya le maemo a thata a ts'ebetso.

2.{1}}Moetso o Phahameng oa Tšepahala bakeng sa Maemo a Mathata a Ts'ebetso

Bophelo ba mechine le bophelo ba motlakase ke senotlolo sa ts'ebetso e tsitsitseng ea nako e telele-. -li-circuit breaker tsa boleng bo holimo li sebetsa ka makhetlo a 20,000~30,000 'me li sebetsa ka makhetlo a fetang 10,000, li finyella litlhoko tsa nako e telele{9} tsa li-transformer. Ho amohela moralo oa ho itšehla thajana oa habeli, mekhahlelo e arohane ka botlalo ho e mong. Ha e kopane le magnetic blow arc{12}}extingushing technology le metal grid arc{13}}extinguing system, ho fihleloa moralo oa zero arcing ho qoba ho chesa lisebelisoa.

• Ntlafatso e bohlale e ntlafatsa ts'ebetso le ts'ebetso ea tlhokomelo. Mookameli ea bohlale a ka rekota histori ea liphoso tse kang li-overloads le li-circuits tse khutšoanyane, a kenya data ka li-interfaces tsa puisano, 'me a tšehetsa phetoho ea parameter e hōle le ho hlahloba liphoso, ho fokotsa litšenyehelo tsa tlhahlobo ea matsoho. Lihlahisoa tse ling li na le -sekirini sa LCD sa mebala e meraro ho bonts'a boemo ba ts'ebetso le maemo a ts'ebetso, ho thusa ts'ebetso.

3. Mesebetsi e Atolositsoeng ea ho Kopana le Litlhoko tse fapaneng

Ts'ebetso ea puisano e ts'ehetsa liprothokholo tse kang Modbus, ho hlokomela telemetry e kopaneng, telecommand, telesignalization, le phetoho e hole, ho ikamahanya le lits'ebetso tse bohlale tsa kabo ea matla. Mosebetsi oa ho lekola mojaro o ka khaola meroalo ea bobeli nakong ea mojaro o mongata ka ho theoloa ka maemo a phahameng ho netefatsa ho tsoela pele ha phepelo ea motlakase bakeng sa lipotoloho tsa bohlokoa.

• Likarolo tse khethehileng tsa ts'ebetso li kenyelletsa "undervoltage release", shunt release, mechanical interlock, joalo-joalo. ho kenella ha mechine ho thibela ho potoloha hona joale ho bakoang ke ho koaloa ha bohata ha li-transformers tse ngata, ho ntlafatsa ts'ireletso ea ts'ebetso.

1. Lihlahisoa tse Tummeng Machabeng: Boetapele ba Theknoloji le Ponahalo ea Lefatše

• Schneider Electric: E itlhomme pele lefatšeng ka bophara taolong ea matla, e nang le lihlahisoa tsa mantlha tse nang le matla a ho robeha a 200kA, tse tšehetsang meralo e bohlale ea ho ajoa ha motlakase le ho ikamahanya le maemo-a maemo a holimo. E totobatsa "digitalization + ts'ebetso".
• ABB: Seqhenqha sa lefats'e ka matla le boiketsetso, se nang le likhoele tsa sehlahisoa tse koahelang maemo ohle a motlakase ho tloha tlase ho isa ho matla a phahameng, se nang le botsitso bo ikhethang ba tekheniki le tšebelisano. E na le melemo e mengata -kabong ea matla a motlakase a phahameng le ho hokela marang-rang a macha.
• Siemens: Letšoao la tlhahiso ea ho nepahala ha Jeremane, ka lihlahisoa tse tsejoang ka ho tšepahala ho phahameng le bophelo bo bolelele ba tšebeletso. E khothalletsa ts'ebeliso ea theknoloji ea "digital twin", e ikamahanyang le ts'ireletso ea transformer libakeng tse feteletseng.

2. Likhoebo tse Eteletseng Pele tsa China: Phadisano ya Lefatshe ka Ditshenyehelo-Ditharollo tse Sebetsang

• Sehlopha sa CHNT: Khamphani e itlhommeng pele ea -ea matla a tlase a motlakase e nang le ketane e felletseng ea liindasteri tse koahelang phepelo ea motlakase, phetisetso, phetoho, kabo, thekiso le tšebeliso. E le khoebo ea poraefete e kaholimo ho 500, -lihlahisoa tsa eona tsa motlakase tse fehlang motlakase o tlase li na le karolo ea 43% 'marakeng oa lefats'e oa kantle ho naha. E fana ka litharollo tsa - tse sebetsang hantle tse sebelisoang haholo mererong ea ts'ebeliso, polokelong ea matla a photovoltaic, le lisebelisoa tsa lefats'e.
• DELIXI Electric: Sebapali se itlhommeng pele indastering ea -ea matla a tlase ea motlakase e nang le khoebo e kopanetsoeng, e kopanyang maemo a machaba le litlhoko tsa 'maraka. E tsepamisitse maikutlo holim'a-'maraka o fapaneng le maemo a arohaneng, a ithorisang ka ho kenella ho hoholo likhoebong tse nyane le{3}}tse kholo tsa lefats'e tsa tlhahiso ea boholo le merero ea kabo ea matla ea tikoloho.
• Liangxin Electric: Mofuta o phahameng-oa ho qetela o tlase-motlakase oa motlakase o phahameng haholo ebile ke moetapele oa karolo lefapheng le lecha la matla. E ipabola ka likarolo tse mamellang tsa DC, e nang le karolo e ka sehloohong ea 'maraka ho li-circuit breakers tse ikemiselitseng ho tjhaja mekoa. Lihlahisoa tsa eona li lumellana le lisebelisoa tsa photovoltaic tsa 1500V DC, li finyella litlhoko tsa merero e mecha ea matla lefatšeng ka bophara.

3. Likhoebo tse Ikhethileng Likarolong Tse Arohileng

• Wankong Intelligent Manufacturing: Moetapele ka dikhabote tse phahameng le tse tlase- tsa switchgear, tse fanang ka ditharollo tse kopaneng tsa "circuit breaker + cabinet". Likhabinete li na le boemo ba ts'ireletso ba IP54, bo loketseng tikoloho ea kantle, e lerōle le e thata lefatšeng ka bophara.
• Mingyang Electric: E etella pele theknolojing ea ho tsamaisa li-transformer, e nang le li-circuit breaker tse tsamaellanang haholo le -liparamente tse iphetotseng tsa transfoma. Lihlahisoa tsa eona li sebelisoa haholo marang-rang a kabo ea mose ho maoatle le merero e ajoang ea photovoltaic lefatšeng ka bophara.
• Taiyong Changzheng: Moetapele oa li-switches tsa othomathike tsa phetisetso, tse shebaneng le "tsoelopele ea phepelo ea motlakase". Li-circuits tsa eona li fana ka phetoho e potlakileng (<50ms) and selective protection functions, ideal for scenarios with high reliability requirements such as data centers and hospitals worldwide.