Ikhebula Lamandla le-MV Elihlanganisiwe le-IEC BS elijwayelekile elingu-12-20kV-XLPE elifakwe i-PVC

Ikhebula Lamandla le-MV Elihlanganisiwe le-IEC BS elijwayelekile elingu-12-20kV-XLPE elifakwe i-PVC

Imininingwane:

    Ifanele amanethiwekhi kagesi njengeziteshi zikagesi. Ingafakwa emipayipini, ngaphansi komhlaba nangaphandle.

    Kunezinhlobo eziningi zokushintshashintsha ekwakheni, ezindinganisweni kanye nezinto ezisetshenziswayo – ukucacisa ikhebula le-MV elifanele lephrojekthi kuyindaba yokulinganisela izidingo zokusebenza, izidingo zokufakwa, kanye nezinselele zemvelo, bese kuqinisekiswa ukuhambisana kwekhebula, imboni, kanye nomthetho. Njengoba i-International Electrotechnical Commission (IEC) ichaza izintambo ze-Medium Voltage njengezinesilinganiso se-voltage esingaphezu kwe-1kV kufika ku-100kV, lokho kuyibanga elibanzi le-voltage okufanele licatshangelwe. Kuvamile ukucabanga njengoba senza maqondana ne-3.3kV kuya ku-35kV, ngaphambi kokuba ibe yi-voltage ephezulu. Singasekela imininingwane yekhebula kuzo zonke i-voltage.

     

Imininingwane Esheshayo

Ithebula Lepharamitha

Isicelo:

Ifanele amanethiwekhi kagesi njengeziteshi zikagesi. Ukufakwa emigudwini, ngaphansi komhlaba nangaphandle. Sicela uqaphele: Igobolondo langaphandle elibomvu lingathambekela ekubuneni uma livezwa emisebeni ye-UV.

Amazinga:

Ukusabalala kwamalangabi ku-BS EN60332
BS6622
I-IEC 60502

Izici:

Umqhubi: abaqhubi bethusi abahlanganisiwe abangenalutho nomaumqhubi we-aluminium
Ukufakwa kokushisa: i-cross link polyethylene (XLPE)
Isikrini Sensimbi: isikrini setheyiphu yethusi ngasinye noma sonke
Isihlukanisi: iteyipu yethusi enokweqa okungu-10%
Izinto zokulala: i-polyvinyl chloride (i-PVC)
Ukuvikela: I-Steel Wire Armour (SWA), I-Steel Tape Armour (STA), I-Aluminium Wire Armour (AWA), I-Aluminium Tape Armour (ATA)
Isingxobo: Isingxobo sangaphandle se-PVC
Umbala wesikhwama: Obomvu noma Omnyama

Imininingwane kagesi:

Izinga lokushisa eliphezulu lokusebenza komqhubi: 90°C
Izinga lokushisa eliphezulu lokusebenza kwesikrini: 80°C
Izinga lokushisa eliphakeme kakhulu lomqhubi ngesikhathi se-SC: 250°C
Izimo zokubeka lapho kwakheka i-trefoil zimi kanje:
Ukumelana nokushisa kwenhlabathi: 120˚C. Cm/Watt
Ukujula kokungcwaba: 0.5m
Izinga lokushisa lomhlabathi: 15°C
Izinga lokushisa lomoya: 25°C
Imvamisa: 50Hz

Umongo owodwa 12/20 kV

Umqhubi wendawo eqokiwe Ububanzi bomqhubi Ubukhulu bokushisisa Ububanzi obujwayelekile obujwayelekile Ububanzi obukhulu kakhulu Isisindo sekhebula esilinganiselwe kg/km Irediyasi encane yokugoba
mm² mm mm mm mm Cu Al mm
1x 25 6.0 5.5 26.0 27.0 892 737 380
1x 35 7.0 5.5 27.1 28.1 1021 804 390
1x 50 8.2 5.5 28.5 29.5 1216 902 410
1x 70 9.9 5.5 30.2 31.2 1464 1024 440
1x 95 11.5 5.5 32.0 33.0 1769 1171 460
1 × 120 12.9 5.5 33.4 34.4 2052 1297 480
1 × 150 14.2 5.5 34.9 35.9 2391 1447 500
1 × 185 16.2 5.5 37.1 38.1 2805 1640 530
1 × 240 18.2 5.5 39.1 40.1 3381 1870 560
1 × 300 21.2 5.5 42.3 43.3 4065 2176 600
1 × 400 23.4 5.5 44.7 45.7 5077 2553 640
1 × 500 27.3 5.5 48.8 49.8 6166 3017 700
1 × 630 30.5 5.5 52.4 53.4 7526 3559 750

Ama-core amathathu 12/20 kV

Umqhubi wendawo eqokiwe Ububanzi bomqhubi Ubukhulu bokushisisa Ububanzi obujwayelekile obujwayelekile Ububanzi obukhulu kakhulu Isisindo sekhebula esilinganiselwe kg/km Irediyasi encane yokugoba
mm² mm mm mm mm Cu Al mm
3x 25 6.0 5.5 52.4 53.4 3611 3146 750
3x 35 7.0 5.5 54.5 55.5 4083 3432 770
3x 50 8.2 5.5 57.4 58.4 4771 3826 810
3x 70 9.9 5.5 61.2 62.2 5714 4392 870
3x 95 11.5 5.5 65.0 66.0 6810 5015 920
3×120 12.9 5.5 68.2 69.2 7847 5580 970
3×150 14.2 5.5 71.2 72.2 9000 6166 1010
3×185 16.2 5.5 75.6 76.6 10481 6986 1070
3×240 18.2 5.5 80.5 82.0 12700 8200 1140

Ama-core amathathu ahlonyisiwe angu-12/20 kV

Umqhubi wendawo eqokiwe Ububanzi bomqhubi Ubukhulu bokushisisa Ububanzi obujwayelekile obujwayelekile Ububanzi obukhulu kakhulu Isisindo sekhebula esilinganiselwe kg/km Irediyasi encane yokugoba
mm² mm mm mm mm Cu Al mm
3x 25 6.0 5.5 57.5 58.5 5045 4580 820
3x 35 7.0 5.5 59.8 60.8 5630 4979 850
3x 50 8.2 5.5 62.7 63.7 6381 5436 890
3x 70 9.9 5.5 66.5 67.5 7450 6128 940
3x 95 11.5 5.5 70.1 71.1 8614 6820 990
3×120 12.9 5.5 73.5 74.5 9780 7513 1040
3×150 14.2 5.5 76.3 77.3 10962 8128 1080
3×185 16.2 5.5 80.9 81.9 12611 9116 1140
3×240 18.2 5.5 85.5 86.5 14792 10258 1210