Sisiza umhlaba ukhule kusukela ngo-2004

Ukusebenza kwe-Dropout Fuse Cutout

Ukulungiselela ukuphepha:

Lapho ukhipha i-fuse yohlobo lokudonsa, opharetha kufanele asebenzise induku yokuhlukanisa ngamazinga kagesi afanele futhi aphumelele isivivinyo, agqoke izicathulo zokuvala, amagilavu ​​wokuvikela, ikepisi lokuvala kanye nezibuko, noma ame epulatifomu eyomile yokhuni, futhi agadiwe ukuvikela okomuntu siqu ukuphepha.

Amanothi:

Lapho u-opharetha eqala noma evala ukudonsa noma ukuvala i-fuse fuse, ngeke kube nomthelela.Umthelela uzolimaza i-fuse, njengokudonsa nokuqhekeza isifisi, ukuphambukisa umthethosivivinywa wedada, ukudonsa nokuphula iringi yokusebenza, njll. akufanele isebenzise amandla amaningi ngesikhathi sokusebenza kohlobo lwe-fuse, ukuze kugwemeke ukulimala, futhi ukuhlukaniswa nokuvalwa kufanele kube khona.

Inqubo yamandla we-fuse ihamba kancane (qala) - iyashesha (lapho oxhumana naye ohambayo eseduze koxhumene no-static) - ehamba kancane (lapho oxhumana naye ohambayo eseduze nokuphela kokuvala) .Inqubo yokudonsa i-fuse ihamba kancane (qala) - okusheshayo (lapho oxhumana naye ohambayo eseduze koxhumene no-static) - slow (lapho oxhumana naye ohambayo eseduze nokuphela kokudonsa) .Fast ukuvimbela isifunda esifushane sikagesi futhi ushise oxhumana nabo obangelwa i-arc, ukuhamba kancane ukuvimbela ukusebenza amandla okuthelela, okwenza umonakalo womshini ku-fuse.

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Thumela i-oda

Ukulandelana kokusebenza kokumisa ukunikezwa kwamandla kwe-transformer yokusabalalisa kunjengokulandelayo: Ngaphansi kwezimo ezijwayelekile, iswishi yamandla aphansi ohlangothini lomthwalo kufanele idonswe kuqala, bese kudonswa i-fuse ye-high-voltage ohlangothini lwamandla.

Endabeni yokuphakelwa kwamandla amaningi, ngokokulandelana okungenhla kokuphela kukagesi, kungavimbela ukudluliswa kwe-transformer emuva, uma kwenzeka ukwehluleka, ukuvikelwa kungala ukuhamba, ukwelula isikhathi sokususa iphutha, kwenze ingozi inabe. ohlangothini lokuphakelwa kukagesi kunganciphisa umthelela oqala njengamanje (umthwalo), kunciphise ukwehla kwamandla kagesi, futhi kuqinisekise ukusebenza okuphephile kwemishini.Uma kunephutha, ingakhubeka ngokushesha noma imise ukusebenza, kulula ukuyibheka, ukwahlulela nokubhekana nayo ngokuya Endabeni yokwehluleka kwamandla, misa uhlangothi lokulayisha kuqala. Ekulandelaneni kokusebenza kwamandla okwehluleka kwesinyathelo ngesinyathelo kusuka kumandla aphansi kuya kumandla aphezulu, inkinobho ingagwema ukusika ukugeleza okukhulu kwamanje futhi yehlise ubukhulu nobuningi bokusebenza kwamandla kagesi.

Ekusebenzeni, zama ukugwema ukudonsa nokulahla amafyuzi anomthwalo. Uma kutholakala ukuthi amafyuzi anomthwalo awakhiwe kahle ngesikhathi sokusebenza, noma ngabe amafuses enziwe kabi noma kwenzeka i-arc, akuvunyelwe ukuvula amafuses futhi. ishiya oxhumana naye ongaguquki, i-arc izokwenzeka. Ngalesi sikhathi, kufanele ivalwe ngokushesha ukuqeda i-arc futhi igweme ukunwetshwa kwengozi. Noma kunjalo, uma wonke amafiyuzi edonswa evulekile, akuvunyelwe ukuvala kabusha amafusisi adonswe ngephutha. ka 200 kva noma ngaphansi, amafuses ohlangothini lwamandla aphezulu avunyelwe ukwehlukanisa futhi ahlanganise umthwalo wamanje.

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Ukulandelana kokusebenza

Ukulandelana kokusebenza kwesigaba ezintathu kwe-fuse ye-voltage ephezulu.

Ukusebenza kokuhluleka kwamandla, kufanele kuqala kudonse isigaba esiphakathi, bese udonsa zombili izinhlangothi zesigaba.

Isizathu esikhulu sokudonsa isigaba esiphakathi kuqala ukucabanga ukuthi okwamanje lapho isigaba esiphakathi sinqunyiwe singaphansi kwesigaba eseceleni (ingxenye yomthwalo wesifunda ithwalwa izigaba ezimbili), ngakho-ke i-arc incane, futhi lapho kungekho bungozi ezinhlangothini zombili zesigaba.Lapho isigaba sesibili (uhlangothi oluseceleni) uhlobo lokudonsa lusebenza, i-current iba nkulu, kuyilapho isigaba esiphakathi sidonswe savuleka, kanti amanye ama-fuses ohlobo lokudonsa akude kakhulu kusuka komunye nomunye, okungavimbela ukujikeleza okufushane phakathi kwezigaba ezibangelwe yi-arc evundlile.Uma kunomoya onamandla, kufanele siqale sidonse isigaba esiphakathi, bese sidonsa isigaba se-lee, futhi ekugcineni sidonse isigaba somoya ngokulandelana kwamandla ukwehluleka.

Lapho kuthunyelwa ugesi, izinhlangothi zombili zesigaba sokuqala, ngemuva kwesigaba esiphakathi.

Lapho amandla edluliswa, isigaba sokuqala somoya, bese sibuyela esigabeni sephoenix, futhi ekugcineni isigaba esiphakathi, ukuze kuvinjelwe isifunda esifushane esidalwe yi-arc yomoya.

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Inothi lokufaka

Izinyathelo zokuphepha zokufaka i-fuse ye-voltage ephezulu

1, ukufakwa kufanele kube ukungezwani kokuncibilika (kuncibilike cishe ukungezwani okungu-24.5N), kungenjalo kube lula ukudala ukushisa kwezinwele ezithintwayo.

2, i-fuse efakwe engalweni yesiphambano (ifreyimu) kufanele iqine futhi ithembeke, ayikwazi ukuba nesenzakalo sokuzamazama noma sokunyakazisa.

3. Ipayipi elincibilikayo kufanele libe ne-dip engela elingu-25 ° ± 2 °, ukuze ipayipi elincibilikayo liwe ngokushesha ngesisindo salo lapho ukuncibilika kuhlanganiswa.

4. I-fuse kufanele ifakwe engalweni yesiphambano (ifreyimu) ngebanga elime mpo elingekho ngaphansi kuka-4m ukusuka phansi. Uma ifakwe ngaphezu kwe-transformer yokusabalalisa, kufanele igcine ibanga elingaphezulu kuka-0.5m ukusuka emngceleni ongaphandle kakhulu we-transformer yokusabalalisa, uma kwenzeka ezinye izingozi zibangelwa ukuwa kwamapayipi ancibilikisiwe.

5. Ubude bepayipi elincibilikayo kufanele bulungiswe ngokufanele. Kuyadingeka ukuthi ulimi lomlomo wedada lungabopha ngaphezu kokuthathu kokuthathu kobude boxhumana naye ngemuva kokuvala, ukuze kugwenywe isenzo esingalungile sokuwa sodwa ngesikhathi sokusebenza.

6. Ukuncibilika okusetshenzisiwe kumele kube ngumkhiqizo ojwayelekile womenzi ojwayelekile, futhi kunamandla athile womshini. Ngokuvamile, ukuncibilika kungamelana namandla aqine angaphezu kuka-147N okungenani.

7. I-fuse yohlobo lwe-10kV drop ifakiwe ngaphandle, futhi ibanga eliphakathi kwezigaba likhulu kune-70cm.

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Isikhathi Iposi: Aug-05-2021