Ngwa nke Ebe nchekwa Arc na Waveform Distortion Resistance Bench maka MCCB

N'ime afọ ndị na-adịbeghị anya, na-arụ ọrụ omimi nke akụrụngwa ọhụrụ na China, mgbanwe zuru oke nke ọdụ ụgbọ mmiri 5G, iji ngwá electronic eletrik na-eme ihe na ngwa ngwa mmepe nke fotovoltaic ike, ihe ndị a chọrọ maka ngwa ngwa obere voltaji ọdịnala na-enweta. elu na elu.N'ihi na ụlọ ọrụ ụlọ ọrụ na mmepe na ngwa nke ihe mgbu, kpụrụ ikpe sekit breaker arcing nchebe anya na waveform distortion anwale oru ngo, Delta, Delta ngwá na nkwonkwo na agadi ọkachamara nkụzi ịzụlite mpaghara abụọ n'ikwekọ na chọrọ nke pụrụ iche ule. akụrụngwa, emebere iji nyere ụlọ ọrụ aka idozi mkpọmkpọ ngwa ngwa ngwaahịa, izute onye ọrụ chọrọ, melite ogo arụmọrụ ngwaahịa.

Akpụkpọ anụ sekit nke na-agbaji arcing nchekwa dị anya ule nguzo bụ tumadi maka plastic shei ụdị sekit sekit na usoro nke echichi na ojiji, na-atụle anya nchekwa ezughị na nwere ike ịkpata mmerụ, dị ka arcing kpatara mkpa na-amụ plastic shei ụdị sekit sekit on. Isi ihe dị na usoro nchọpụta ebe nchekwa nchekwa flashover, gụnyere sekit njikọ njikọ nnwale ọhụrụ, ihe ndị ọzọ chọrọ na ụzọ nnwale, wdg, A na-eme ka akụkụ arc mmetụta nke eriri sekit mkpuchi plastik na-ekewa, na mpaghara ọkwa na-ekewa dị ka ogo nke mmetụta arc, yana nrụtụ aka nchekwa nchekwa ngwaahịa kwekọrọ na ntụnye nrụnye maka nke ọ bụla bụ

Ihe ize ndụ nke arcs na-efe efe

Arc okpomọkụ dị elu dị ka puku kwuru puku degrees Celsius, arc n'onwe ya nwekwara eletriki conductivity, mmerụ ahụ dị nnọọ njọ., Gbanwee na eletriki ike ụlọ ọrụ eletriki jet nke arc, nwere ike ozugbo ịgba na switchgear, nkesa panel, dị ka grounding na metal etiti, ga-eme ka metal eduzi mmebi, ahịrị na-egosi abnormal anya voltaji, Burns ọrụ, ọkụ akụrụngwa, na-eme ka mkpuchi mkpuchi ịka nká ọnọdụ, ma ọ bụ mmejọ nke mkpụmkpụ mkpụmkpụ, mgbawa, ọkụ, na-eyi nchekwa nke ndụ na ihe onwunwe egwu, Na mmanụ ala, kemịkalụ, Ngwuputa na ụlọ ọrụ ndị ọzọ, ekwesịrị itinye nlebara anya karị maka mmebi nke arc.

MCCB na-emepụta arc mgbe kọntaktị ya na-akpụ akpụ na kọntaktị static na-ekewapụ, na akụkụ nke arc ma ọ bụ gas ionized na-ewepụ oghere arc site na ọkụ ọkụ.Arc n'onwe ya bụ nnukwu mmiri.Ọ dị mfe ime ka mkpirisi sekit na grounding mkpụmkpụ sekit ihe mberede n'etiti C kpughere conductor na ala.Iji hụ na nchekwa, onye ọrụ kwesịrị idobe anya na data nke ihe nlele ma ọ bụ nkọwapụta ngwaahịa nke onye nrụpụta nyere.

Akpụkpọ anụ sekit nke na-agbaji ihe mgbe ọ na-agbaji nnukwu ihe dị mkpụmkpụ nke ugbu a, ike na kọntaktị arc dị iche iche, akụkụ nke arc ma ọ bụ ionized gas arc na-efesa ọnụ na-esi na njedebe njedebe sekit, n'onwe ya bụ ụdị nnukwu arc dị ugbu a, ọ dị mfe. na-eme ka n'etiti ekpughere conductive na iferi ebubo ahu na "ala" (n'usoro zuru ezu nke akụrụngwa nke metal shei bụ grounding) nke interphase mkpụmkpụ circuit na grounding mkpụmkpụ sekit mberede.Iji hụ na nchekwa, onye ọrụ kwesịrị ịhapụ ebe dị anya dịka data nyere site na nlere ngwaahịa ngwaahịa ma ọ bụ ntuziaka ntuziaka.Ọ bụrụ na ịdị elu nke igbe nkesa na kabinet ezughị, ngwaahịa ndị nwere obere arc ma ọ bụ efu arc nwere ike họrọ iji hụ na nchekwa nke ọkụ eletrik.

Akpụkpọ anụ sekit na-agbaji na obere voltaji nkesa usoro oriri bụ nnukwu, ma na-agbaji usoro ga-emepụta arc, arc si n'ụdị ngwaahịa n'ime arc, arc bụ ihe na-emerụ ahụ, nchọpụta ya kwesịrị izute ụkpụrụ na ndokwa ndị dị mkpa, Ụzọ ndị bụ isi. iji belata anya arc gụnyere imeziwanye usoro kọntaktị na sistemu arc iji melite arụmọrụ nke ikpochapụ arc, ịnakwere ngwaọrụ na-etinye arc, ịnakwere usoro mmachi dị ugbu a, ịnakwere ọgbọ nke anọ nke okpukpu abụọ, na ịnakwere oghere arc na-ekpochapụ. ụlọ.

Molded case circuit breaker waveform distortion eguzogide ule guzo tumadi na ìhè nke pụrụ iche ngwa ọnọdụ nke plastic shei ụdị sekit nkesa, dị ka dị iche iche nkesa nke ahụkarị nononlinear ibu na harmonic ọnụego nkesa, na ule usoro nke ịme anwansị nnwale, Ịhazi analysis. na data ule nwere ike ịmegharị ibu dị iche iche na-adịghị na ntanetị, mmetụta mmetụta, ibu ọjọọ;Enwere ike ịhazi usoro ibu ya na ọnọdụ ọrụ ike n'ọdịnihu dị ka ihe nlele ule siri dị, enwere ike ibunye ya na-akpaghị aka dịka oge agbaziri agbaziri.Arụ ọrụ nke akụrụngwa dị mfe ma na-agbanwe agbanwe, a na-ejikwa ya n'ọtụtụ ebe n'ime usoro nyocha ụlọ nyocha eletrik na ụdị ụdị nnwale nrụpụta ngwaahịa elektrọnik niile.

Ngwa ọgbara ọhụrụ dị n'ime sistemụ ike bụ isi iyi nke kwekọrọ, bụ ngwa eletrik na-abụghị nke linear.Site na ngwa ngwa ngwa ngwa ngwa ngwa eletriki ike dị iche iche na ibu dị iche iche na-adịghị na usoro ahụ, mmetọ mmetọ nke ha na-eme ka a matakwuo ma na-elebara ya anya.Iji gbochie harmonics nke usoro ahụ, anyị aghaghị ịghọta njirimara nke isi iyi nke ọ bụla.

E kewara isi mmalite harmonic dị iche iche n'ime:

(1) Ụdị harmonic isi iyi dị ugbu a.

Usoro harmonic isi iyi nwere njirimara nke isi iyi dị ugbu a, yana ọdịnaya kwekọrọ na ya dabere na njirimara nke ya, ọ nweghịkwa ihe jikọrọ ya na usoro sistemụ.Ihe nrụzi nke nzacha akụkụ inductance DC bụ nke ụdị harmonic dị ugbu a.

(2) voltaji ụdị harmonic isi iyi

MCCB Waveform Distortion Resistance bench test bụ ihe dị elu na-arụ ọrụ ike harmonic generator, ọrụ nke nwere onwe nke atọ, nwere ike ịrụ ọrụ na usoro atọ, otu usoro, oge kwekọrọ ruo ugboro 41.Enwere ike ịhazi usoro na njupụta nke harmonic nke ọ bụla n'onwe ya, nke nwere ike ịme ka ọ dị ka ihe mgbochi na ibu inductive yana ibu dị mgbagwoju anya.Enwere ike ịmegharị ma megharịa ihe kwekọrọ na ibu dị iche iche na netwọk ike kpatara.

Usoro mmemme gụnyere isi ebili mmiri na voltaji harmonic, ugbu a, ike, usoro, njupụta, wdg.

The njupụta nke mmetụta ibu bụ nọgidere kemeghi.

Ọ nwere ike ghọta ịme anwansị nke steeti dị iche iche na-arụ ọrụ, dị ka ogologo oge nke steeti, voltaji, ugbu a, paramita ike, wdg, nke enwere ike rụọ ọrụ na-akpaghị aka dịka oge edobere.

Ihe nrụpụta ugbu a dị elu dị elu, izi ezi ruru ± 1%, 10A n'okpuru adịghị ala karịa gbakwunyere ma ọ bụ mwepu 0.1A;

THD dị ala harmonic (3-5) nkenke abụghị ihe karịrị ± 2%, otu ndakpọ n'otu bụ ± 8%, otu ebili mmiri na-agbagọ ọnụego ọdịnaya ≥40%, ngụkọta nkwekọrịta nkwekọrịta ≥100%;

N'otu oge ahụ, ngwá ọrụ ahụ nwere ọrụ nke AC ume regenerative ibu, nke nwere ike inyeghachi 100% AC ume mmepụta nke ngwaahịa a nwalere na grid ike, na-enweghị ịmepụta okpomọkụ, nchekwa ike na nchebe gburugburu ebe obibi.

Ọrụ ugboro ugboro nke Waveform: enwere ike ịtọ ngwaọrụ ibu na-akpaghị aka dabere na faịlụ waveform nke e dekọrọ ma ọ bụ chịkọta ya n'ebe ahụ, iji ghọta ọrụ ahụ na ọ bụ naanị ụdị ibu ibu nwere ike imegharị na ntụpọ ma ọ bụ njirimara ibu achọrọ.

Enwere ike ịhazi ọnọdụ ịmegharị ibu dị ka ihe achọrọ si dị:

1) Nwere ike ịmegharị ma ibu ụzọ atọ na ibu otu akụkụ;

2) Enwere ike ịhazi voltaji, ugbu a na ike nke ebili mmiri dị mkpa na ebili mmiri harmonic iche iche;

3) The isi ife na harmonic voltaji, ugbu a na ike nwere ike ịtọ n'otu n'otu amplitude, frasi, ike ihe na ndị ọzọ kwa;

4) The njupụta na nkebi parameters nke ọ bụla harmonic nwere ike ịtọ iche iche, onwe ha, na-adịghị emetụta onye ọ bụla ọzọ;

5) The amplitude nke mmetụta ibu nwere ike gbanwee nọgidere;

6) Nwere ike na-aghọta a dịgasị iche iche nke arụ ọrụ steeti ịme anwansị, oge nke dị iche iche na-ekwu, voltaji, ugbu a, ike parameters;

7) Enwere ike ịtọ ya n'onwe ya.