Isicelo se-SPD ezindaweni eziphakeme eziphakeme

Njengomdlali wamazwe omhlaba ekuvikelweni kokuphakama okufakiwe, i-Prosurge inamakhasimende amaningi kakhulu emhlabeni jikelele. Isibonelo, sinamakhasimende amaningi eNingizimu Melika lapho edume khona kakhulu ngamapulangwe ayo. Ngezinye izikhathi, sinawo amakhasimende asibuze: Sidinga ukufaka idivaysi yokuvikelwa kokuya endaweni endaweni yokuphakama ngaphezulu kwe-2000m, ingabe izothinta ukusebenza kwe-SPD?

Lona ngumbuzo owusizo kakhulu. Futhi kulesi sihloko, sizoxoxa ngalesi sihloko. Sizoveza imibono ethile evela kubachwepheshe abahlukahlukene kodwa ngomusa siqaphele ukuthi le ndawo isadingeka ihlolwe kabanzi futhi ngaleyo ndlela ulwazi esilinikezayo lusebenza nje kuphela.

Yini ekhethekile mayelana ne-High Altitude?

Udaba lokuvikelwa kokuhlinzwa / ukuvikelwa kombani ezindaweni eziphakeme kakhulu bekulokhu luyisihloko esisebenzayo. Ku-ILPS 2018 (i-International Lightning Protection Symposium), ochwepheshe bezokuvikela abahlinzayo nabo baba nengxoxo ngalesi sihloko. Manje yini ekhethekile ngendawo ephakeme yendawo?

Okokuqala, ake sibheke izici zezimo zezulu eziphakeme zezindawo eziphakeme eziphakeme:

  • lokushisa okuphansi kanye noshintsho olukhulu;
  • ukucindezela emoyeni ophansi noma umoya womoya;
  • i-irradiance ye-solar ethuthukisiwe;
  • umswakama ophansi ophansi emoyeni;
  • imvula encane; izinsuku eziningi ezinomoya;
  • ukushisa kwenhlabathi okuphansi kanye nenkathi ende yokuqandisa

Ukuguqulwa kweDivayisi yokuVikela kuHlelo oluPhakeme lwe-Altitude

Ukuhlukahluka kwesimo sezulu kunomthelela ekugxilweni kwe-SPD. I-SPD ngokuvamile isebenzisa izinto eziqinile kanye nomoya njengendlela yokuvikela. Njengoba izinga lokuphakama landa, i-SPD kufanele ikhulise imvume kanye nobude be-creepage.

Ku-SPD esivele inomklamo ohleliwe futhi ayikwazi ukuguqula imvume yayo kanye nobude be-creepage, kufanele siqaphele ukuthi: njengoba ukucindezela komoya kuyancipha, umthamo wephutha uphinde wehla. Ukuze uqinisekise ukuthi i-SPD inezinkinga ezanele zokumiswa lapho isetshenziswe endaweni ephakeme kakhulu, ingaqinisekiswa yizivivinyo. Uma kungenjalo, isakhiwo se-SPD kufanele sishintshwe ukuze kwandiswe imvume.

Ingabe i-Altitude izothinta i-Iimp, Imax ne-In?

Umfutho womoya ophansi, izinga lokushisa, umswakama ophelele nezinye izinto endaweni ephakeme kakhulu cishe zimele ngombani we-SPD noma amandla akhona wamanje. Amandla okhanyiso / wokukhuphuka wamanje we-SPD ancike ekwakhiweni kwawo kwangaphakathi komkhiqizo nokusebenza kwezakhi zawo ezibalulekile, okucishe kungabaluleki ezintweni zemvelo ezindaweni eziphakeme kakhulu. Akukho mithetho ejwayelekile ehambisanayo nokusekelwa kwemfundiso ku-IEC ehambisanayo, amazinga kazwelonke kanye nemibhalo ehlobene nayo.

Yiziphi izinyathelo ezengeziwe zokuhlola okufanele zithathe? Izindlela ezivela ku-UL Professionals

Ngokombono we-UL professional, fnoma izicelo ze-SPD eziphakeme kakhulu, singathola izivivinyo ezithile. I-SPD efakiwe enamaphesenti angaphezulu kwe-2000 m kufanele ihlolwe ngaphambi kokuhlolwa kokuphuma: amasampuli amathathu afakwa ebhokisini le-pneumatic lamahora we-168, futhi ukucindezela emoyeni kufanele kube ngokuhambisana ne-IEC 60664-1. I-2 futhi isetshenziselwa ukuqhubeka okuphezulu kwe-voltage (MCOV).