Electric roj keyboards: hauj lwm, los

Gas-insulated Circuit Court breaker - ib tug switching ntaus ntawv, uas yog dav siv nyob rau hauv hluav taws xob sib nrog voltage chav kawm ntawv los ntawm 6 mus rau 220 kV. Nyob rau hauv hluav taws xob roj (leej faj hexafluoride) ua hauj lwm pab raws li ib tug insulating thiab arc extinguishing nruab nrab ntaus ntawv. Nws nruab nrab yog ib tug sib tsaug zog, txawm, uas tsis yog-flammable cov roj, uas muaj zoo heev thermal conductivity thiab hluav taws xob kuj. Qhov zoo ntawm cov hluav taws xob roj xws li cov fact tias nws tsis yuav tsum tau raws li transformer roj, mob twb tsis muaj ua ntxim rau cov tsim ntawm tus ntaus ntawv (nyob rau hauv ib txwm siv) tsis muaj kev laus, thiab, nrog rau lwm yam, yog tus tsis muaj.

leej faj hexafluoride hloov muaj xws li lub tawg ntaus ntawv uas yog yus muaj los ntawm tej yam yooj yim siv thiab me me qhov ntev. arc quenching yuav siv sij hawm qhov chaw nrog ob peb so thiab sai sai. Tam sim no xav txog nyob rau hauv dab tsi hauv paus lub arc quenching nyob rau hauv lub tshuab thiab nws tsim nta. Sulfur hexafluoride Circuit Court breaker nrog peb tug. Txhua tus ntawm lawv yog ib tug hermetic hlau thawv uas yog lawm ua tus sau nrog compressed nyob rau hauv ib tug ceev ntawm 0.6 MPa leej faj hexafluoride. Txhua ncej yog nyob avtopnevmaticheskoe ntaus ntawv rau extinguishing lub arc.

Qhov zoo ntawm hluav taws xob roj keyboards:

- tau siv nyob rau hauv hluav taws xob sib pej xeem thiab tsoom tub ceev xwm ntawm tag nrho cov voltage chav kawm;

- cia siab rau thiab yooj yim ntawm kev tsim qauv;

- ib tug loj kev pab ntawm switching cov kev sib cuag system;

- zoo tawg peev xwm;

- ib tug siab teb tus nqi;

- hluav taws thiab tawg;

- tsawg nyhav thiab compact qhov ntev.

hloov leej faj hexafluoride muaj ib tug xov tooj ntawm drawbacks:

- zoo uas yuav tsum tau rau cov hluav taws xob roj;

- siv ntawm tshwj xeeb cov khoom, uas yog tsim nyog rau periodic txij nkawm ntawm switching pab kiag li lawm;

- thaum lub sij hawm kev lag luam ntawm tus dais daim ntawv teeb meem tej khoom rau cov tib neeg lub cev - fluorides.

Txawm li cas los, txawm cov drawbacks, keyboards ntawm no hom roos ib tug loj kev sib tw roj thiab cua Switchgear.

Hom roj-insulated ntaus ntawv tsim los ua hauj lwm nyob rau hauv nyuaj heev huab cua thiab ib puag ncig tej yam kev mob. Piv txwv li, keyboards (110 kV) fais roj muaj peev xwm ntawm kev khiav hauj lwm ntawm ambient kub ntawm -35 mus +40 degrees Celsius, yuav muab ntsia tau rau ntawm ib qhov siab ntawm ntau tshaj ib txhiab meters saum toj no hiav txwv theem. Nyob rau hauv lub lag luam los ntawm xws li nqa tawm mus thiab qhib lub ntaus ntawv. Thaum kev khiav hauj lwm hloov nyob rau hauv ib cov movies tam sim no tus nqi (2000 A), nws muaj peev xwm mus ua tau ib tug disconnect lag luam 6000 lub sij hawm, thiab nyob rau hauv thaum muaj xwm ceev hom kis tau los ntawm nws, feem ntau luv luv-Circuit Court tam sim no, thiab cov apparatus muaj peev xwm nqa tawm xwb 400 mus tawm. Sulfur hexafluoride mus (35 q) muaj ib tug tam sim no ntsuam xyuas tshaj qhov ntawd li ntawm pab kiag li lawm tsim rau 110 KW, nws yog 3150 A thiab lub nyob tawg tam sim no - 50 kÅ. Cov pab kiag li lawm yog tsim los rau cov feem ntau tawm ncov - 127,5 kÅ.

Nyob rau hauv xaus, peb ntxiv hais tias huab cua thiab roj Circuit Court tej fais fab maj mam muab txoj kev mus rau lub gas-insulated Switchgear thiab lub tshuab nqus tsev. Qhov no yuav tau piav los ntawm txawv arcing yam ntxwv ntawm cov roj thiab lub tshuab nqus tsev, raws li zoo raws li ntau zog ua hauj lwm muaj kev ruaj ntseg ntawm cov khoom siv.