UL 1449 mbipụta nke anọ—Free Download
Kpụrụ Nchedo Dị Mkpa maka Ngwaọrụ Nchedo
Emepụtara UL 1449 ọhụrụ maka Ngwaọrụ Nchebe Maka nchekwa na ọ bụ ọkọlọtọ kachasị maka ngwaọrụ nchedo AC niile (SPDs).
Nkọwa Ọchịchị
Ihe choro nke kpuchitere onodu nchebe (SPDs) emeputara maka ngbachi ugboro ugboro nke volta volt di elu dika akowara ya na uzo di na 50 ma obu 60 Hz di ike karie 1000 V.
Olee otu Impkpụrụ Si Eme Mmetụta Ngwaọrụ Nchedo
- UL 1449 na-akọwapụta ule dị iche iche nke OEM ga-agabiga iji kwuo nkwenye
- Ọkọlọtọ SPD ga-enwerịrị asambodo UL 1449 iji zute ụkpụrụ nchekwa maka azụmaahịa akọwapụtara iche
Kedu ụdị SPD na-ekpuchi
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Ule bu Igodo
Critical to UL ndepụta bụ etozu ule. Tebụl a na-akọwa ụkpụrụ nnwale maka ụdị 4 na 5dị XNUMX SPD.
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Achọrọ Akara
Mgbe enwetara UL asambodo, emeputa na-ibu ọrụ iru ụkpụrụ kpọrọ ihe. SPD niile gụnyere akara ngosi doro anya na nke na-adịgide adịgide iji hụ na azịza ị họọrọ izute UL 1449.
- Emeputa aha
- Nọmba ndepụta
- Ddị SPD
- Ntụle eletrik
- Onodu onu ahia n’ahu (In)
- Oke na-aga n'ihu na-arụ ọrụ voltaji fim (MCOV)
- Ogo nchedo volta (VPR)
- Mmetụta na-egbochi voltaji (MLV)
- Datebọchị ma ọ bụ oge nrụpụta
- Ogologo oge dị mkpirikpi (SSCR)
Pịnye mgbakọ 4 na ụdị SPdị 5 SPD chọrọ MLV, MCOV, volta ọrụ, na Na ọkwa. Maka Typedị 5 SPD a ga-enye ọkwa ndị a na mpempe data.
Nkọwa nke Usoro Okwu
- Nsogbu ugbu a - Ugbu a site na sistemụ ike nke na-aga na obere oge
- Oke na-aga n'ihu na-arụ ọrụ voltaji (MCOV) - Oke voltaji nwere ike itinye n'ọrụ na SPD
- Eriri njedebe voltaji - Oke ike voltaji tụrụ mgbe Na etinyere ya
- Elu ọnụ ihapu ugbu a (Na) - Ọnụ ọgụgụ kachasị elu nke ugbu a (ọdịdị 8 x 20) nke a na-agafe na SPD 15 ugboro (SPD ga-anọgide na-arụ ọrụ)
- Elu na-arụ ọrụ voltaji - Nkịtị ike AC nke usoro
- Elu ọnụ voltaji (Vn) - DC voltaji gafere SPD mgbe 1mA na-asọ
- Short circuit ugbu a ọkwa (SCCR) - Ikike nke SPD iguzogide obere esemokwu sitere na isi ike
- Ogo nchedo volta (VPR) - Mpịakọta volta ahọpụtara site na ndepụta nke ụkpụrụ ndị masịrị ya mgbe etinyere nchikota nke 6kV 3kA