I-IEC/BS Standard 19-33kV-XLPE Ikhebula Lamandla Lamandla Ephakathi Le-MV Engafakiwe

I-IEC/BS Standard 19-33kV-XLPE Ikhebula Lamandla Lamandla Ephakathi Le-MV Engafakiwe

Imininingwane:

    Amakhebula kagesi e-IEC/BS Standard 19/33kV XLPE-insulated MV athobelana nezicaciso ze-International Electrotechnical Commission (IEC) kanye ne-British Standards (BS).
    I-IEC 60502-2: Icacisa ukwakhiwa, ubukhulu nezivivinyo zamakhebuli kagesi afakwa ngaphandle afika ku-30 ​​kV.
    I-BS 6622: Isebenza kumakhebuli avikelwe we-thermoset ama-voltage angu-19/33 kV.

Imininingwane Esheshayo

Ithebula lepharamitha

Isicelo :

19/33kV XLPE-insulated medium-voltage power cables afaneleka kunethiwekhi yamandla njengeziteshi zikagesi. Ukufakwa emiseleni, ngaphansi nangaphandle. Ingase futhi isetshenziselwe ukufakwa okugxilile ngaphakathi kwamanethiwekhi okusabalalisa, izakhiwo zezimboni, neziteshi zikagesi. Sicela uqaphele: Igobolondo langaphandle elibomvu lingaba lula ukufiphala lapho lichayeke emisebeni ye-UV. Izintambo zikagesi ezimaphakathi zenziwa kusetshenziswa inqubo ye-monosil. Sihlinzeka ngemishini ekhetheke kakhulu, izikhungo zocwaningo ezisezingeni eliphezulu kanye nezinqubo zokulawula ikhwalithi ezicophelelayo ezidingekayo ukuze kwenziwe amakhebuli avaleleke e-PVC ukuze asetshenziswe kufika ku-6KV kanye nezintambo ezivale izintambo ze-XLPE/EPR ukuze zisetshenziswe kuma-voltage afika ku-35 KV. Izinto ezisetshenziswayo zonke zigcinwa ezimeni ezilawulwa ukuhlanzeka kuyo yonke inqubo yokukhiqiza ukuze kuqinisekiswe ukufana okuphelele kwezinto zokufakelwa eziqediwe.

Amazinga:

Ukusabalalisa ilangabi ku-BS EN60332
BS6622
I-IEC 60502

Izici :

Umqhubi:imicu ethafeni annealed eziyindilinga ohlangene zethusi conductors nomaumqhubi we-aluminium
I-Insulation:i-cross link polyethylene (XLPE)
Isikrini se-Metallic:isikrini se-copper tape yomuntu ngamunye noma sisonke
Isihlukanisi:i-copper tape ene-10% egqagqene
Indawo yokulala:i-polyvinyl chloride (PVC)
Izikhali:Steel Wire Armor (SWA), Steel Tape Armor (STA), Aluminium Wire Armor (AWA), Aluminium Tape Armor (ATA)
Umgodla:PVC emgodleni wangaphandle
Umbala we-sheath:Okubomvu noma Okumnyama

Idatha kagesi:

Izinga lokushisa eliphezulu lokusebenzisa ikhondatha: 90°C
Izinga lokushisa eliphezulu lokusebenza kwesikrini: 80°C
Izinga lokushisa eliphezulu le-conductor ngesikhathi se-SC: 250°C
Izimo zokubeka ekubunjweni kwe-trefoil zimi kanje:
Ukumelana nokushisa komhlabathi: 120˚C. Cm/Watt
Ukujula kokungcwaba: 0.5m
Izinga lokushisa eliphansi: 15°C
Izinga lokushisa lomoya: 25°C
Imvamisa: 50Hz

Indawo okuzisholo yona ye-conductor Ukumelana okuphezulu kwe-conductor ku-20 ℃ Ubukhulu be-xlpe insulation Ubukhulu be-copper tape Ubukhulu bezingubo zokulala ezikhishiwe I-Dia ye-armor wire Ubukhulu bomgodla wangaphandle Cishe. Ububanzi sebonke Cishe. Isisindo sekhebula
mm² Ω/km mm mm mm mm mm mm kg/km
50 0.387 8 0.075 1.2 2 2.2 39.4 2050
70 0.268 8 0.075 1.2 2 2.2 41 2330
95 0.193 8 0.075 1.2 2 2.3 43.1 2710
120 0.153 8 0.075 1.2 2 2.3 44.6 3020
150 0.124 8 0.075 1.3 2.5 2.4 47.4 3570
185 0.0991 8 0.075 1.3 2.5 2.5 49.2 3990
240 0.0754 8 0.075 1.3 2.5 2.5 51.7 4670
300 0.0601 8 0.075 1.4 2.5 2.6 54.1 5410
400 0.047 8 0.075 1.4 2.5 2.7 57.2 6430
500 0.0366 8 0.075 1.5 2.5 2.8 60.6 7620
630 0.0283 8 0.075 1.6 2.5 2.9 64.8 8935

I-19/33kV-Ama-cores amathathu ekhondatha yethusi i-XLPE efakwe itheyiphu yethusi evalwe ngentambo yensimbi ebiyelwe ngamakhebula e-PVC

Indawo okuzisholo yona ye-conductor Ukumelana okuphezulu kwe-conductor ku-20 ℃ Ubukhulu be-xlpe insulation Ubukhulu be-copper tape Ubukhulu bezingubo zokulala ezikhishiwe I-Dia ye-armor wire Ubukhulu bomgodla wangaphandle Cishe. Ububanzi sebonke Cishe. Isisindo sekhebula
mm² Ω/km mm mm mm mm mm mm kg/km
50 0.387 8 0.075 1.8 3.15 3.4 78.8 9230
70 0.268 8 0.075 1.8 3.15 3.5 82.5 10310
95 0.193 8 0.075 1.9 3.15 3.6 87 11640
120 0.153 8 0.075 2 3.15 3.7 90.6 12850
150 0.124 8 0.075 2 3.15 3.8 93.8 14150
185 0.0991 8 0.075 2.1 3.15 4 97.9 15700
240 0.0754 8 0.075 2.2 3.15 4.1 104 18120
300 0.0601 8 0.075 2.3 3.15 4.3 109 20570