Ngwaahịa Dndebanye aha:
NkeZGLEDUNNgwaahịa usoro LDSCB bụ aSPDihe nchekwa ndabere nke ịwa ahụ raara onwe ya nye.Ọ nwere ike dozie ihe ize ndụ ọkụ nke ọma site na mmebi nke ihe nchebe ọkụ na ọdịda ike grid, ma dozie ọdịda nke ihe nchekwa ọkụ na-akpata site na mmebi nke ngwaọrụ nchekwa nchekwa nke ọkụ na-akpata.Ihe nchekwa nchekwa a na-ahụ maka ịwa ahụ (SPD) anaghị enweta ọkụ, yana nchekwa ọkụ na-aga n'ihu na-arụ ọrụ nke ọma.Ka ọ dị ugbu a, a na-eji fiusi ma ọ bụ sekit eme ihe n'ọtụtụ ebe na nhazi na SPD.Mgbe SPD dara ma ọ bụ obere okirikiri, ọ ga-ebute ọkụ.Seies LDSCB emebere nke ọma maka SPD.Ọ gaghị agbaji n'okpuru nnukwu àmụmà.Mana enwere ike gbajie ngwa ngwa mgbe obere ike ugboro ugbu a na-eme mgbe ọdịda SPD gasịrị.
Atụmatụ:
◆SCB nwere ike nweta nhọrọ nbibi nke gafere ike ugboro ugbu a na àmụmà dị ugbu a, nke nwere ike n'ụzọ dị irè na-echebe SPD anya nchebe n'ihi njọ nke na-eme ka SPD mmalite voltaji daa n'okpuru ike ọkọnọ voltaji, na ike ugboro ntapu ugbu a na-abawanye, na-akpata. nnukwu ihe mberede ọkụ.
◆ Mgbe SPD nwere ọkụ ugbu a na-agafe, SGB ejikọrọ na usoro na n'ihu nke SPD nwere ike hụ na ọkụ ọkụ ugbu a agaghị aga, mebie, na nchebe ọkụ ga-anọgide na-adị irè;
◆Uru Uru (Uru nchekwa nchekwa voltaji) nke SCB dị ala mgbe ọ na-agafe ugbu a;
◆Iji usoro njikwa njem nlegharị anya, na ntinye ya na okporo ụzọ ntuziaka 35mm.
Isi Nka na ụzụ Parameters | ||||
Nlereanya | LDSCB-A12.5 | LDSCB-A15 | LDSCB-A25 | LDSCB-A50 |
Shock Wave na-anaghị agbaji | 12.5kA (10/350μs) | 15kA (10/350μs) | 25kA (10/350μs) | 50kA (10/350μs) |
Nrụgide Residal | <1000V | <1000V | <1500V | <1500V |
Enyere ogo ọrụ voltaji Ue | 120V/230V/400V AC | |||
Nrụgide ihe fọdụrụ 20kA(8/20μs) | < 300V | |||
Uru njem njem ugbu a (Ozugbo) | 2A±5%(2~5A) Nhọrọ | |||
Ibu ugboro ugboro ike oge nkwụsị ugbu a (na) | <0.1s | |||
Njem igbu oge dị ugbu a ugboro ike | Nhọrọ 500mA-3A ugbu a (abụghị ọkọlọtọ ma họrọ ndị ahịa) | |||
Ugboro ike Oge njem igbu oge ugbu a | Oge nhọrọ 1s ~ 120s (abụghị ọkọlọtọ ma họrọ ndị ahịa) | |||
Bọtịnụ nwale | Nleba anya nke sistemu ịpụ (otu oge n'ọnwa) | |||
Ọkwa Nchekwa Shell | IP20 | |||
Ịghasa Crimping | M6 | |||
Ebe Nwụnye | Awụnyere n'ihu SPD | |||
Njikọ waya ngalaba | 4-16mm2 | |||
Ihe Nchedo N'ihi Okpomọkụ Ambient | Gbanwee n'etiti -25 ℃ na + 60 ℃ | |||
Ebe nchekwa | Okpomọkụ -40℃ ~ 75℃ iru mmiri dị ala <95% (n'okpuru 25℃) | |||
Environment na-arụ ọrụ | Okpomọkụ -25℃-60℃ iru mmiri dị ala <95% (n'okpuru 25℃) |
IsiSowuwu naWorkingPokwu:
SPD a nwere otu ọdụ ụgbọ mmiri, ọrụ nchebe mgbochi ujo, nrụnye ime ụlọ, yana ụdị oke voltaji.
SPD nwere disconnector arụnyere n'ime ya.Mgbe SPD dara n'ihi oke ekpo oke ọkụ ma ọ bụ ndakpọ, disconnector nwere ike ịpụpụ ya na grid ozugbo wee nye akara ngosi n'otu oge.Ihe ngosi a na-ahụ anya na-acha ọcha mgbe SPD na-arụ ọrụ nke ọma, ọ na-achakwa ọbara ọbara mgbe ọ naghị apụ apụ.
IP+N, 2P+N, na 3P+N bụ nke SPD+NPE zero-ground protection modul nke IP, 2P, na 3P, nke a na-eji na sistemu ọkụ ọkụ dịka TT na TN-S.