Q1: Can a load break switch interrupt fault currents?

A1: No. Load break switches are not designed to interrupt high fault currents. For that purpose, circuit breakers should be used. LBS are suitable for breaking load and performing isolations.

Q2: What is the typical maintenance requirement for LBS?

A2: Maintenance depends on the insulation medium. SF6 gas types may require periodic gas pressure checks, while vacuum-insulated switches typically offer maintenance-free operation for many years.

Q3: Is SF6 harmful to the environment?

A3: Yes, SF6 is a potent greenhouse gas. That’s why many manufacturers now offer vacuum or air-insulated alternatives as eco-friendly options.

I-High Voltage Load Break Switch: Isixazululo Esithembekile Se ukunika indoda Amandla Kagesi Aphakathi Naphezulu

Outdoor high voltage load break switch installed on a transmission pole

Iyini I-High Voltage Load Break Switch?

AI-high voltage load break switch (LBS)wuhlobo lokushintshwa kukagesi olusetshenziswa ezinhlelweni zokusabalalisa amandla kagesi kagesi aphakathi nendawo ukuya phezulu, ngokuvamile asukela ku-11 kV kuya ku-36 kV nangaphezulu.

Lezi zinguquko zivame ukusetshenziswa ngesandla noma ngenjini futhi zingatholakala eziteshini ezingaphansi zangaphandle noma ezingaphakathi, amasistimu afakwe ezigxotsheni, kanye nama-switchgear afakwe kuphedi.

Izinhlelo zokusebenza ze-High Voltage Load Break Switch

I-voltage ephezulu ye-LBSasetshenziswa kabanzi kuzilungiselelo ezahlukahlukene:

Amanethiwekhi okusabalalisa izinsiza: Ukuze kuhlukaniswe izingxenye eziphakelayo, ukuthuthukisa ukwethembeka kwesistimu.
Izitshalo zezimboni: Okokuhlukanisa izingxenye zenethiwekhi yokusabalalisa yangaphakathi.
Amasistimu wamandla avuselelekayo: Ukuhlanganiswa namapulazi omoya noma amasimu e-solar PV.
Khalisa amayunithi amakhulu (RMUs): Njengengxenye yemihlangano ye-switchgear ehlanganisiwe.
Ukuzenzakalela kokusabalalisa okubekwe ngegxolo: Ikakhulukazi kumagridi asezindaweni zasemakhaya kanye nesasemadolobheni.

Amathrendi Emakethe kanye Nemininingwane Yezimboni

De acordo comIEEEkanye nemithombo yezimboni efanaIEEMA, isidingo sokushintshwa kwekhefu lokulayisha kwamandla kagesi aphezulu siyakhula ngenxa:

Ukuthuthukiswa kwamadolobha kanye negridi yesimanje
Ukufakwa kwamandla avuselelekayo okukhuphukayo
Iziyalezo zikahulumeni zokuzishintsha kwegridi

Isibonelo, ngokusho kwe-MarketsandMarkets, imakethe ye-switchgear yomhlaba wonke kulindeleke ukuthi ifinyelele ku-USD 120 bhiliyoni ngo-2028, ngokushintshwa kwekhefu lokulayisha akha ingxenye ebalulekile, ikakhulukazi engqalasizinda yegridi ehlakaniphile.

Especificações técnicas

Ngezansi kunethebula elimele ipharamitha yobuchwepheshe ye-24kV High Voltage ejwayelekileChave seccionadora de carga:

I-Parametro	Inani
I-Tensão nominal	24 kv
I-Corrente igama	630 A
I-Frequência igama	50/60 Hz
Ilinganiselwe Isikhathi Esifushane Sokumelana Namanje	16 kA (1s)
I-Peak Melana Namanje	40 kA
Ukuphula Amandla	Layisha okwamanje kufika ku-630 A
I-Insulation Medium	SF6 / Vacuum / Air
I-Operation Mechanism	Imanuwali / Eyezimoto
Uhlobo Lokukhweza	I-Pole-mounted / Ngasendlini
I-Conformidade com os padrões	I-IEC 62271-103, IEEE C37.74

Ukuqhathanisa Nezinye Izingxenye Ze-Switchgear

I-Recurso	Chave seccionadora de carga	I-circuit breaker	Chave desconexão
Load Breaking Amandla	Yebo (kukhawulelwe)	Yebo (kuhlanganise nephutha)	Cha
Ukuphazamiseka Kwephutha	Cha	Yebo	Cha
Indlela yokuqeda i-Arc	Igesi / Vacuum	Amafutha / SF6 / Vacuum	Umoya
Izindleko Ezijwayelekile	Kuphakathi	Phezulu	Phansi
I-Automation Iyahambisana	Yebo	Yebo	Inomkhawulo

Umhlahlandlela Wokukhetha: Ungayikhetha Kanjani I-Voltage Ephezulu Ye-LBS Elungile

Lapho ukhetha i-high-voltage load break switch, cabangela lokhu okulandelayo:

I-voltage elinganisiwe neyamanje: Qondanisa ukucaciswa komugqa wakho wokusabalalisa.
Uhlobo lwe-insulation: Igesi ye-SF6 inikeza umklamo ohlangene nokuthembeka okuphezulu;
Indlela yokusebenza: Khetha phakathi kwe-manual kanye ne-motor kuye ngezidingo zakho ze-automation.
Izimo zemvelo: Cabangela izinto ezikwazi ukumelana nokugqwala ezindaweni ezisogwini noma ezingcolile.
Ukuhambisana: Qinisekisa ukuthi iswishi ihlangabezana nezindinganiso ze-IEC 62271-103 noma ze-IEEE.

Abakhiqizi Abathenjwayo Nezitifiketi

Lapho uthola i-LBS yamandla kagesi aphezulu, cabangela abakhiqizi bomhlaba abasunguliwe abafana:

I-ABB
I-Schneider Electric
Siemens
Eaton
Lucy Electric

Bheka izitifiketi ezifana nalezi:

I-ISO 9001 (Ukuphathwa Kwekhwalithi)
I-IEC 62271-103 (i-High-voltage switchgear kanye negiya lokulawula)
Ukuhambisana ne-CE / ANSI / IEEEkuye ngesifunda sakho.

I-Perguntas frequentes (FAQ)

Q1: Ingabe iswishi yekhefu lokulayisha ingakwazi ukuphazamisa imisinga yephutha?

A1:Cha. Amaswishi ekhefu lokulayisha awaklanyelwe ukuphazamisa imisinga yamaphutha aphezulu.

I-Q2: Iyini imfuneko evamile yokugcinwa kwe-LBS?

A2:Ukunakekela kuncike endaweni yokufaka i-insulation.

Q3: Ingabe i-SF6 iyingozi emvelweni?

A3:Yebo, i-SF6 iyigesi ebamba ukushisa enamandla.

Imicabango yokugcina

Ohigh voltage load break switchiyingxenye ebalulekile ekusabalaliseni kwamandla esimanje, ikakhulukazi ekuthembekeni kwegridi, izinhlelo zamandla avuselelekayo, kanye nemisebenzi yokunakekela ephephile.

Kungakhathaliseki ukuthi uthuthukisa isiteshi esincane sokusabalalisa noma uklama ingxenye entsha yegridi ezishintshayo, amandla kagesi aphezulu e-LBS anikezela ngokulingana kokusebenza, ukuphepha, kanye nokuthengeka.

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