Lithapo tsa motlakase tse mahareng li na le lebelo la motlakase lipakeng tsa 6 kV le 33kV.Hangata li hlahisoa e le karolo ea marang-rang a phepelo ea matla le phepelo bakeng sa lits'ebetso tse ngata tse kang lits'ebeletso, petrochemical, lipalangoang, kalafo ea metsi a litšila, phepelo ea lijo, 'maraka oa khoebo le oa indasteri.
Ka kakaretso, li sebelisoa haholo litsing tse nang le matla a motlakase a fihlang ho 36kV 'me li phetha karolo ea bohlokoa ho fehleng le marangrang a phepelo ea matla.
01.E tloaelehileng
Ka tlhoko e ntseng e hola ea lefats'e ea likhoele tsa motlakase o mahareng, ho ipapisa le maemo a indasteri ho ntse ho ba bohlokoa le ho feta.
Mekhoa ea bohlokoa ka ho fetisisa bakeng sa likhoele tsa motlakase o mahareng ke:
IEC 60502-2: Lithapo tsa motlakase o mahareng tse sebelisoang ka ho fetesisa lefatšeng ka bophara, tse nang le motlakase o lekantsoeng ho fihla ho 36 kV, mefuta e mengata ea meralo le liteko, ho kenyeletsoa likhoele tsa mantlha le likhoele tse ngata-ngata;lithapo tsa lihlomo le likhoele tse se nang lihlomo, mefuta e 'meli ea lihlomo "lebanta le lihlomo tsa terata" li kenyelelitsoe.
- IEC/TS EN 60754: E etselitsoe ho lekola litaba tsa likhase tsa asiti ea halogen, 'me e ikemiselitse ho fumana likhase tsa asiti tse lokollotsoeng ha li-insulation, sheathing, joalo-joalo li tuka.
TS EN 60332 Tekanyo ea ho phatlalatsoa ha lelakabe ho pholletsa le bolelele ba cable ha ho ka cha.
TS EN 61034 IEC / EN 61034 e totobatsa tlhahlobo ea ho tseba hore na mosi oa likhoele tse tukang tlas'a maemo a boletsoeng.
- BS 6622: E koahela likhoele bakeng sa li-voltages tse lekantsoeng ho fihla ho 36 kV.E akaretsa boholo ba moralo le liteko, ho kenyeletsoa lithapo tsa mantlha tse le 'ngoe le tse ngata tsa mantlha;lithapo tsa lihlomo feela, mefuta ea terata e sirelelitsoeng feela le likhoele tse sirelelitsoeng tsa PVC.
- BS 7835: E koahela likhoele bakeng sa matla a lekantsoeng ho fihla ho 36 kV.E akaretsa boholo ba moralo le liteko, ho kenyeletsoa lithapo tse nang le konokono e le 'ngoe, lithapo tse nang le lithapo tse ngata, mehala e nang le lihlomo feela, lithapo tse nang le lihlomo feela, tse se nang mosi o tlase oa halogen.
- BS 7870: ke letoto la litekanyetso tsa bohlokoa haholo bakeng sa likhoele tse insulated tsa polymer voltage tse tlase le tse mahareng tse sebelisoang ke lik'hamphani tse fehlang motlakase le kabo.
02.Sebopeho le thepa
Cable ea motlakase e maharengmeralo e ka tla ka boholo le mefuta e fapaneng.Mohaho ona o rarahane haholo ho feta oa likhoele tsa motlakase o tlase.
Phapang lipakeng tsa likhoele tsa motlakase tse mahareng le likhoele tse tlase tsa motlakase ha se feela hore na likhoele li hahuoa joang, empa hape le ts'ebetsong ea tlhahiso le lisebelisoa tse tala.
Lithapong tsa motlakase tse mahareng, ts'ebetso ea ho kenya letsoho e fapane haholo le ea likhoele tse tlase tsa voltage, ha e le hantle:
- Mohala oa motlakase o mahareng o na le likarolo tse tharo ho fapana le lera le le leng: lera le sireletsang conductor, thepa e sireletsang, lera le sireletsang le sireletsang.
- Ts'ebetso ea ho kenya li-voltage tse mahareng e finyelloa ka ho sebelisa lithapo tsa CCV sebakeng sa li-extruder tse tloaelehileng tse otlolohileng, joalo ka ha ho le joalo bakeng sa likhoele tse tlase tsa motlakase.
- Le haeba sekontiri se na le lebitso le ts'oanang le thapo ea motlakase o tlase (mohlala, XLPE), thepa e tala ka boeona e fapane ho netefatsa hore ho na le mokelikeli o hloekileng.Li-masterbatches tsa mebala bakeng sa lithapo tsa motlakase o tlase ha lia lumelloa ho tsebahatsa mantlha.
- Lits'oants'o tsa tšepe li sebelisoa hangata ha ho etsoa lithapo tsa motlakase o mahareng bakeng sa likhoele tsa motlakase o tlase tse inehetseng lits'ebetsong tse itseng.
03.Tlhahlobo
Lihlahisoa tsa cable tsa motlakase o mahareng li hloka liteko tsa mofuta o tebileng ho lekola likarolo tsa motho ka mong le thapo eohle ho latela litekanyetso tsohle tsa tumello bakeng sa lihlahisoa tsa cable.Lithapo tsa motlakase tse mahareng lia lekoa bakeng sa tsonamesebetsi ea motlakase, mochini, thepa, lik'hemik'hale le ts'ireletso ea mollo.
Motlakase
Teko ea Phallo e sa Feleng - E etselitsoe ho fumana boteng, boholo, le ho hlahloba hore na boholo ba phallo e feta boleng bo boletsoeng bakeng sa motlakase o itseng.
Teko ea Baesekele ea Thermal - E etselitsoe ho lekola hore na sehlahisoa sa cable se arabela joang liphetohong tse sa feleng tsa mocheso tšebeletsong.
Teko ea Impulse Voltage - e etselitsoe ho lekola hore na sehlahisoa sa cable se ka mamella ho phahama ha sekhahla sa lehalima.
Teko ea Voltage Lihora tse 4 - Latela tatellano ea liteko tse ka holimo ho netefatsa botšepehi ba motlakase oa thapo.
Mechini
Teko ea shrinkage - e etselitsoe ho fumana temohisiso mabapi le ts'ebetso ea thepa, kapa litlamorao ho likarolo tse ling tsa kaho ea thapo.
Teko ea Abrasion - Linaka tsa tšepe tse bonolo li laeloa ka mokhoa o tloaelehileng ebe li huleloa ka mokhoa o tšekaletseng hammoho le thapo ka litsela tse peli tse fapaneng ho ea bohole ba 600mm.
Teko ea Heat Set - E etselitsoe ho lekola hore na ho na le khokahano e lekaneng ea thepa.
Lik'hemik'hale
Ligase tse Corrosive le Acid - E etselitsoe ho lekanya likhase tse lokollotsoeng ha lisampole tsa cable li chesa, ho etsisa maemo a mollo, le ho lekola likarolo tsohle tseo e seng tsa tšepe.
Mollo
Teko ea Phatlalatso ea Lelakabe - E etselitsoe ho lekola le ho utloisisa ts'ebetso ea cable ka ho lekanya ho ata ha lelakabe ka bolelele ba thapo.
Teko ea Mosi oa Mosi - E etselitsoe ho etsa bonnete ba hore mosi o hlahisoang ha o hlahise maemo a tlase a phetiso ea khanya ho feta litekanyetso tse boletsoeng tse amehang.
04.Ho se sebetse hantle
Lithapo tsa boleng bo tlase li eketsa sekhahla sa ho hloleha 'me li beha phepelo ea motlakase ea mosebelisi kotsing.
Mabaka a ka sehloohong a sena ke ho tsofala pele ho nako ea lisebelisoa tsa motlakase, motheo oa boleng bo tlaase oa manonyeletso kapa mekhoa ea ho felisa cable, e leng se fellang ka ho fokotseha ha botšepehi kapa katleho ea ts'ebetso.
Ka mohlala, ho lokolloa ha karolo e itseng ea matla a ho ntša matla ke selelekela sa ho hlōleha, kaha ho fana ka bopaki ba hore mohala o qala ho senyeha, e leng ho tla lebisa ho hlōleha le ho hlōleha, ho lateloa ke ho tima ha motlakase.
Botsofali ba mohala hangata bo qala ka ho ama likhoele tsa likhoele ka ho fokotsa matla a motlakase, e leng sesupo sa mantlha sa mefokolo e kenyelletsang mongobo kapa lipokotho tsa moea, lifate tsa metsi, lifate tsa motlakase le mathata a mang.Ho phaella moo, li-sheath tse arohaneng li ka angoa ke botsofali, ho eketsa kotsi ea ho itšoara kapa ho bola, e ka bakang mathata hamorao tšebeletsong.
Ho khetha thapo ea boleng bo holimo e lekiloeng ka botlalo ho lelefatsa bophelo ba eona, ho bolela esale pele nako ea ho e lokisa kapa ho e khutlisa, 'me ho qoba litšitiso tse sa hlokahaleng.
05.Tlhahlobo ea mofuta le tumello ea sehlahisoa
Teko ea foromo e bohlokoa hobane e tiisa hore sampole e itseng ea cable e lumellana le maemo a itseng ka nako e itseng.
Tumello ea sehlahisoa sa BASEC e kenyelletsa tlhahlobo e matla ea lefapha ka tlhahlobo ea khafetsa ea lits'ebetso tsa tlhahiso, lits'ebetso tsa taolo le tlhahlobo e matla ea sampole ea cable.
Lenaneong la tumello ea sehlahisoa, lisampole tse ngata li lekoa ho latela thapo kapa sebaka se hlahlojoang.
Ts'ebetso e thata haholo ea setifikeiti sa BASEC e tiisetsa mosebelisi hore likhoele li entsoe ho latela maemo a amohelehang a indasteri, li entsoe ka boleng bo phahameng ka ho fetesisa 'me li tsoela pele ho sebetsa, e leng ho fokotsang kotsi ea ho hloleha haholo.
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Nako ea poso: Jul-26-2023
