Nke elu voltaji inverter bụ AC-DC-AC voltaji isi iyi inverter nwere multi-unit usoro Ọdịdị.Ọ na-achọpụta ụdị ebili mmiri sinusoidal nke ntinye, voltaji mmepụta na ugbu a site na teknụzụ dị elu, na-achịkwa nke ọma, ma na-ebelata mmetọ na grid ike na ibu.N'otu oge ahụ, ọ nwere ngwaọrụ nchebe zuru oke na usoro iji chebe iheihe ntụgharị ugboro ugboro na ibu, iji kpochapụ ma zere mfu nke ọnọdụ dị mgbagwoju anya kpatara, ma mepụta uru dị ukwuu maka ndị ọrụ.
2. Nchedo nkeelu voltaji inverter
2.1 nchebe ahịrị na-abata nke inverter dị elu
Nchedo ahịrị na-abata bụ nchebe nke njedebe ahịrị onye ọrụ na-abata naihe ntụgharị ugboro ugboro, gụnyere nchebe ọkụ, nchebe ala, nchebe ọnwụ nke oge, nchebe na-atụgharị oge, nchebe na-adịghị mma, nchebe overvoltage, nchebe mgbanwe na ihe ndị ọzọ.A na-etinyekarị ngwaọrụ nchebe ndị a na ntinye ntinye nke inverter, tupu ịgba ọsọ nke inverter ga-ebu ụzọ hụ na ọ dịghị nsogbu na nchedo ahịrị tupu ịgba ọsọ.
2.1.1 Nchekwa ọkụ bụ ụdị nchebe ọkụ site na njide arụnyere na kabinet gafere ma ọ bụ njedebe ntinye nke inverter.Onye na-ejide ya bụ ngwaọrụ eletrik nke nwere ike ịhapụ ọkụ ọkụ ma ọ bụ hapụ ike ike nke sistemu ike na-arụ ọrụ, na-echebe ngwa eletrik site na nsogbu nke oke ọkụ ọkụ ozugbo, ma bepụ ihe na-aga n'ihu na-aga n'ihu ka ịzenarị usoro ịgbado obere sekit.A na-ejikọta njide n'etiti eriri ntinye nke inverter na ala, ma jikọta ya na ihe ngbanwe nke echedoro.Mgbe uru overvoltage ruru voltaji arụ ọrụ a kapịrị ọnụ, onye na-ejide ya na-eme ihe ozugbo, na-agafe na ụgwọ ahụ, na-amachi njupụta nke oke voltaji, ma na-echebe mkpuchi akụrụngwa;Mgbe voltaji ahụ dị mma, onye na-ejide ya na-eweghachi ngwa ngwa na ọnọdụ mbụ ya iji hụ na arụ ọrụ nke usoro ahụ na-arụ ọrụ ma gbochie mmebi n'ihi ọkụ ọkụ.
2.1.2 Nchedo ala bụ ịwụnye ngwaọrụ ntụgharị efu na njedebe ntinye nke inverter.Ụkpụrụ nke usoro nchekwa efu na-adabere na iwu Kirchhoff dị ugbu a, na nchikota algebra nke mgbagwoju anya ugbu a na-asọba n'ime oghere ọ bụla nke sekit hà nhata efu.Mgbe ahịrị na ngwa eletriki bụ ihe nkịtị, ọnụọgụ vector nke dị ugbu a na nkeji ọ bụla hà nhata efu, ya mere ikuku nke abụọ nke ihe ntụgharị efu na-enweghị ihe ọ bụla na-emepụta ihe, onye na-eme ihe anaghị arụ ọrụ.Mgbe ụfọdụ mmebi ala mere, nchikota vector nke akụkụ ọ bụla ugbu a abụghị efu, na mmejọ nke ugbu a na-ebute mgbanaka magnetik n'ime mgbanaka nke ihe ngbanwe dị ugbu a na efu, na ntinye voltaji nke abụọ nke ihe ntụgharị efu nke usoro efu bụ. eweghachite azụ na igbe nleba anya bụ isi, wee nye iwu nchekwa iji nweta ebumnuche nke ịgbado mmejọ nchebe.
2.1.3 Enweghị usoro, ntụgharị ntụgharị, nchebe na-enweghị isi, nchebe oke ọkụ.Enweghị usoro, ntụgharị oge, nchebe ogo na-adịghị mma, nchebe overvoltage bụ tumadi site na inverter input voltaji nzaghachi mbipute ma ọ bụ voltaji transformer maka akara voltaji enweta, na mgbe ahụ site na CPU osisi iji chọpụta ma ọ bụ enweghị usoro, reverse frasi, input. voltaji itule, ma ọ bụ overvoltage, n'ihi na ọ bụrụ na ntinye oge, ma ọ bụ reverse nkeji, na voltaji ahaghị nhata ma ọ bụ overvoltage dị mfe ime ka transformer ọkụ.Ma ọ bụ akụkụ ike ahụ mebiri emebi, ma ọ bụ gbanwee moto ahụ.
2.1.4 Nchedo ntụgharị.Nkeelu voltaji inverter bụ naanị mejupụtara atọ akụkụ: Transformer kabinet, ike unit kabinet, akara kabinet mejupụtara, transformer bụ ojiji nke tangential akọrọ ụdị transformer iji tọghata elu voltaji alternating ugbu a n'ime usoro dị iche iche akụkụ nke ala voltaji ike ọkọnọ maka ike unit, Enwere ike ime ka ihe ngbanwe ahụ dị jụụ naanị site na ikuku jụrụ oyi, ya mere nchebe nke transformer bụ tumadi site na nchedo okpomọkụ nke transformer, iji gbochie ọnọdụ okpomọkụ dị oke elu, na-eme ka eriri igwe na-agba ọkụ ọkụ.A na-etinye nyocha nke okpomọkụ n'ime eriri atọ nke ihe ntụgharị, na njedebe nke ọzọ nke nyocha okpomọkụ na-ejikọta na ngwaọrụ njikwa okpomọkụ.Ngwa njikwa okpomọkụ nwere ike ịtọ okpomọkụ mmalite akpaka nke fan na ala nke ihe ngbanwe, okpomọkụ mkpu, na okpomọkụ njem.N'otu oge ahụ, a na-egosipụta ọnọdụ okpomọkụ nke eriri akụkụ nke ọ bụla ọtụtụ ugboro.A ga-egosipụta ozi mkpu na interface onye ọrụ, PLC ga-amakwa mkpu ma ọ bụ nchebe njem.
2.2 elu voltaji inverter akụkụ nchebe
The mmepụta akara nchebe nkeelu voltaji inverter bụ nchebe nke akụkụ mmepụta nke inverter na ibu, gụnyere mmepụta overvoltage nchedo, mmepụta overcurrent nchebe, mmepụta obere sekit nchebe, moto overtemperature nchebe na na.
2.2.1 Nchekwa overvoltage mmepụta.Nchedo overvoltage mmepụta na-anakọta voltaji mmepụta site na bọọdụ nlele voltaji n'akụkụ mmepụta.Ọ bụrụ na voltaji mmepụta dị oke elu, usoro ahụ ga-ama jijiji na-akpaghị aka.
2.2.2 Mmepụta Nchekwa na-adị ugbu a.Nchedo n'ofe nke mpụta na-achọpụta mpụta ihe ugbu a Ụlọ Nzukọ na-anakọta wee tụnyere ya iji chọpụta ma ọ na-ebute oke mmiri.
2.2.3 Mmepụta Nchekwa obere okirikiri.Usoro nchebe maka mmejọ sekit dị mkpirikpi n'etiti windings stator na eriri ụzọ nke moto.Ọ bụrụ na inverter na-ekpebi na mmepụta bụ obere sekit, ọ na-egbochi ngwa ike ozugbo wee kwụsị ịgba ọsọ.
Oge nzipu: Jul-28-2023