Abahlinzeki bemishini esekela i-frequency converter bakukhumbuza ukuthi ngaphambi kokufaka amandla kusiguquli sefrikhwensi, kufanele uqale uhlole izinga lokushisa kanye nomswakama wendawo ezungezile. Uma izinga lokushisa liphezulu kakhulu, lizokwenza ukuthi isiguquli sefrikhwensi sishise kakhulu futhi sinikeze i-alamu. Ezimweni ezimbi kakhulu, kuzodala umonakalo ngokuqondile ezingxenyeni zamandla zokuguqula imvamisa kanye neziyingi ezimfushane kumjikelezo; Umswakama owedlulele emoyeni ungabangela ukujikeleza okufushane okuqondile ngaphakathi kwesiguquli sefrikhwensi. Uma isiguquli sefrikhwensi sisebenza, kufanele kuqashelwe ukuthi isistimu yayo yokupholisa ivamile yini, njengokuthi ingabe i-air exhaust yepayipi ibushelelezi nokuthi ingabe ifeni inomsindo ongajwayelekile. Ngokuvamile, iziguquli zemvamisa ezinamaleveli aphezulu okuvikela, njengalawo angaphezulu kwe-IP20, zingafakwa ngokuqondile ngendlela evulekile, kuyilapho lawo angaphansi kwe-IP20 kufanele afakwe kukhabhinethi. Ngakho-ke, umphumela wokushisa wokushisa wekhabhinethi yokuguqula imvamisa uzothinta ngokuqondile ukusebenza kwayo okuvamile.
Ekugcinweni kwansuku zonke kwe-converter frequency, kuyadingeka futhi ukulandela imithethonqubo. Uma kutholakala iphutha futhi isiguquli se-frequency sihamba, ungavuli ngokushesha isiguquli ukuze silungiswe, ngoba noma ngabe isiguquli sefrikhwensi singasebenzi noma ugesi unqanyuliwe, kungase kube khona i-voltage kulayini wokufaka amandla, i-DC terminal, kanye ne-motor terminal yesiguquli se-frequency ngenxa yokuba khona kwama-capacitor. Ngemuva kokunqamula ukushintshwa, kuyadingeka ukulinda imizuzu embalwa ukuze ama-capacitor angaphakathi we-converter frequency akhiphe ngaphambi kokuqala ukusebenza. Lapho isiguquli sefrikhwensi sihamba futhi siyama, sebenzisa ngokushesha imitha yokumelana ne-insulation ukuze uhlole ukufakwa kwemoto eshayelwa isiguquli samafrikhwensi, ukuze unqume ukuthi injini inephutha yini. Le ndlela iyingozi kakhulu futhi ingabangela kalula isiguquli sefrikhwensi ukuthi sishise. Ngakho-ke, ngaphambi kokunqamula ikhebula phakathi kwenjini kanye nesiguquli sefrikhwensi, ukuhlolwa kwe-insulation akumele kwenziwe kumotho, noma kukhebula esivele ixhunywe kusiguquli sefrikhwensi.
Ekusetshenzisweni kwansuku zonke, umjikelezo wokulungisa onengqondo kanye nesistimu kufanele kuthuthukiswe ngokusekelwe endaweni yangempela yokusetshenziswa nezici zokulayisha zesiguquli sefrikhwensi. Ngemva komjikelezo wokusetshenziswa ngamunye, isiguquli sefrikhwensi kufanele sihlakazwe, sihlolwe, silinganiswe, futhi sigcinwe ngokuphelele kanye ukuze kutholwe futhi kubhekwane namaphutha angaba khona ezigabeni zokuqala. Isiguquli sefrikhwensi ngasinye sidinga ukuhlanzwa futhi sigcinwe kanye ngekota. Ngesikhathi sokulungiswa, uthuli nokungcola ngaphakathi kwesiguquli sefrikhwensi kanye nomgudu womoya kufanele kususwe, futhi ingaphezulu le-converter frequency kufanele kusulwe kuhlanzeke; Ingaphezulu le-converter frequency kufanele igcinwe ihlanzekile futhi icwebezela; Ngesikhathi sokulungiswa, hlola ngokucophelela isiguquli sefrikhwensi ukuze ubone ukuthi azikho yini izindawo zokushisisa noma ezishintsha umbala ngaphakathi, uma kukhona ukuqhekeka ku-resistor braking, uma kukhona ukunwebeka, ukuvuza, noma izimbobo eziphumela ngaphandle ezingaqhumisi ku-electrolytic capacitor, uma kukhona okungavamile ku-PCB, futhi uma kukhona izindawo zokushisisa noma eziphuzi. Ngemuva kokulungiswa, imingcele kanye ne-wiring ye-converter frequency kufanele ibuyiselwe. Ngemuva kokukhanyisa, isiguquli sefrikhwensi enenjini kufanele siqalwe futhi sisetshenziswe ngemvamisa ephansi engu-3Hz cishe iminithi elingu-1 ukuze kuqinisekiswe ukusebenza okuvamile kwesiguquli sefrikhwensi.
1. Ngaphambi kokuvula isiguquli semvamisa
Izinga lokushisa kanye nomswakama wendawo ezungezile kufanele kuhlolwe kuqala. Izinga lokushisa elidlulele lingabangela i-inverter ukuthi ishise futhi icuphe i-alamu. Ezimweni ezimbi kakhulu, kungaholela ngokuqondile emonakalweni wezingxenye zamandla ze-inverter kanye nezifunda ezimfushane kumjikelezo; Umswakama owedlulele emoyeni ungabangela ukujikeleza okufushane okuqondile ngaphakathi kwesiguquli sefrikhwensi. Uma isiguquli sefrikhwensi sisebenza, kufanele kuqashelwe ukuthi isistimu yayo yokupholisa iyasebenza yini, njengokuthi ingabe ipayipi lomoya elikhipha umoya libushelelezi nokuthi ingabe ifeni inomsindo ongajwayelekile. Ngokuvamile, iziguquli zemvamisa ezinamaleveli aphezulu okuvikela, njengalawo angaphezulu kwe-IP20, zingafakwa zivuleke ngokuqondile, kuyilapho lawo angaphansi kwe-IP20 kufanele afakwe emakhabetheni. Ngakho-ke, umphumela wokushisa wokushisa wekhabhinethi yokuguqula imvamisa uzothinta ngokuqondile ukusebenza okuvamile kwesiguquli semvamisa. Isistimu yokukhipha umoya yesiguquli sefrikhwensi, njengokuthi ingabe ifeni iphenduka ngokushelelayo, nokuthi ingabe kukhona uthuli nokuvinjelwa endaweni yokungena komoya, zonke izici ezibalulekile ezingenakuzitshwa ekuhloleni kwethu kwansuku zonke. Ukuthi i-electric motor reactor, i-transformer, njll. ishisa ngokweqile futhi inephunga; Ingabe kukhona imisindo engavamile evela kusiguquli sefrikhwensi kanye nenjini; Ukuthi isibonisi samanje kuphaneli yesiguquli sefrikhwensi sikhulu kakhulu noma i-amplitude yoshintsho yamanje inkulu kakhulu, nokuthi i-UVW ephumayo yezigaba ezintathu yamandla kagesi kanye neyamanje kuyalingana.
2. Ukugcinwa njalo
Susa uthuli njalo futhi uhlole ukuthi i-fan inlet ivimbekile yini, futhi uhlanze ipayipi lomoya opholileyo kanye nothuli lwangaphakathi lwesihlungi somoya njalo ngenyanga.
Ukuhlola okuvamile kufanele kwenziwe kanye ngonyaka: hlola ukuthi izikulufu, amabhawodi, namapulaki akhululekile yini, nokuthi ingabe kukhona ukujikeleza okufushane emhlabathini kanye nokumelana nesigaba kuya kwesigaba sama-reactor okokufaka nokukhiphayo. Ngokujwayelekile, kufanele ibe nkulu kunamashumi ama-megaohm. Ukuthi kukhona ukugqwala ku-conductor ne-insulator, futhi uma kunjalo, zisule zihlanzeke ngotshwala ngesikhathi esifanele. Linganisa ukuzinza kokukhishwa kwe-voltage yesekethe ngayinye ekunikezeni amandla kagesi, njenge-5V, 12V, 15V, 24V, njll. Ukuthi akhona yini izimpawu zokuthungela koxhumana nabo be-contactor, futhi uma ibucayi, faka esikhundleni sayo isixhumi esisha semodeli efanayo noma esikhulu kunomthamo wangempela; Qinisekisa ukufaneleka kwe-voltage yokulawula futhi wenze ukuhlolwa kwesenzo sokuvikela okulandelanayo; Qinisekisa ukuthi akukho okungavamile kusekethe yesibonisi sokuvikela; Qinisekisa ibhalansi ye-voltage ephumayo yesiguquli sefrikhwensi lapho usebenza ngokuzimela.
Yenza ngokucophelela umsebenzi wokulungisa nowokulungisa nsuku zonke kusiguquli sefrikhwensi, ikakhulukazi okuhlanganisa:
1. Gcoba uthuli njalo isiguquli sefrikhwensi, ugxile ekhabetheni lokulungisa kabusha, ikhabethe le-inverter, kanye nekhabhinethi yokulawula. Uma kunesidingo, amabhodi wesekethe ngaphakathi kwemojula yokuvuselela kabusha, imojula ye-inverter, kanye nekhabhinethi yokulawula ingasuswa ukuze kukhishwe uthuli. Ukuthi indawo ephansi yokungenisa umoya kanye nephezulu yokukhipha umoya yesiguquli sefrikhwensi kunqwabelene uthuli noma kuvinjwe ngenxa yokunqwabelana kothuli oluningi. Isiguquli semvamisa sidinga inani elikhulu lokungena komoya ngokukhipha ukushisa kwaso, ngakho-ke ngemuva kokusebenza isikhathi esithile, ukunqwabelana kothuli olungaphezulu kubi kakhulu, futhi ukuhlanza okuvamile nokususwa kothuli kuyadingeka.
2. Vula iminyango yangaphambili nengemuva yesiguquli se-frequency, uhlole ngokucophelela amabhasi e-AC kanye ne-DC ukuze ubone ukuwohloka, ukugqwala, kanye ne-oxidation, hlola izikulufo ezixegayo ekuxhumekeni kwe-busbar, hlola izikulufu ezixegayo endaweni ngayinye yokulungisa yokufaka, futhi uhlole ukuguga, ukuqhekeka, noma ukuguqulwa kwamashidi noma amakholomu asetshenziselwa ukulungisa. Uma zikhona, zishintshe futhi uziqinise futhi ngesikhathi esifanele. Lungisa futhi ufake kabusha amabhasi akhubazekile.
3. Ngemuva kokususwa kothuli emabhodini wesifunda, amabhasi, njll, ukwelashwa okudingekayo kwe-anti-corrosion kufanele kwenziwe, upende we-insulation kufanele usetshenziswe, futhi amabhasi anokukhishwa okuyingxenye noma i-arcing kufanele akhishwe ama-burrs ngaphambi kokwelashwa. Kumabhodi okufakwayo ahlangabezane nokuwohloka kokufakwa kwe-insulation, izingxenye ezilimele kufanele zisuswe, futhi amabhodi okufakwayo ezinga elihambisanayo lokwahlukanisa kufanele asetshenziselwe ukuwahlukanisa eduze komonakalo. I-insulation kufanele iqiniswe, ihlolwe, futhi ithathwe njengefanelekile ngaphambi kokuthi isetshenziswe.
4. Hlola ukuthi abalandeli kukhabhinethi yokuvuselela kanye nekhabhinethi ye-inverter bayasebenza futhi bazungeza ngokujwayelekile. Lapho umisa, wazungezisa ngesandla ukuze ubheke ukuthi ama-bearings abambekile noma enza umsindo. Uma kunesidingo, shintsha noma ulungise ama-bearings.
5. Yenza ukuhlola okuphelele kokufaka, ukulungiswa kanye nokuguqulwa, kanye nokuncibilika okusheshayo kokufaka kwe-DC, futhi kushintshe ngokushesha uma kushile.
6. Ama-capacitor kusekethe ye-DC emaphakathi kufanele ahlolwe ukuvuza, ukunwetshwa, ukubhuquza, noma ukuguqulwa kwe-casing, kanye nokuthi i-valve yokuphepha iphukile yini. Uma izimo zivuma, i-capacitance, ukuvuza kwamanje, kanye nokumelana ne-voltage yama-capacitor kungahlolwa. Ama-Capacitor angahlangabezani nezidingo kufanele ashintshwe. Kuma-capacitor amasha noma ama-capacitor angazange asetshenziswe isikhathi eside, kufanele adluliswe ngaphambi kokushintshwa. Impilo yesevisi yama-filter capacitor ngokuvamile iyiminyaka emi-5. Kuma-capacitor asetshenziswe iminyaka engaphezu kwengu-5 futhi achezuke kakhulu kumazinga okuthola amandla, ukuvuza kwamanje, ukumelana ne-voltage, njll., ukushintshwa okuyingxenye noma okuphelele kufanele kwenziwe ngendlela efanele.
7. Yenza ukuhlolwa kukagesi kuma-diode nama-GTO ezigabeni zokulungisa kanye ne-inverter, ulinganise amanani awo okumelana nangaphambili nangemuva, futhi uwarekhode ngokucophelela kuthebula elilungiselelwe kusengaphambili ukuze uhlole ukuthi amanani okumelana phakathi kwesigxobo ngasinye ajwayelekile yini nokuthi ingabe ukuhambisana kwamadivayisi wemodeli efanayo kuhle. Zishintshe uma kunesidingo.
8. Hlola othintana nabo abakhulu nabanye abathintwayo abasizayo ngaphakathi kwamakhabethe angenayo e-A1 kanye ne-A2, qaphela ngokucophelela ukuthi othintana nabo abaguquguqukayo nabamile be-contact ngayinye ngayinye bane-arcing, burrs, surface oxidation, kanye nokungalingani. Uma izinkinga ezinjalo zitholwa, buyisela oxhumana nabo abahambisanayo abaguqukayo nabamile ukuze uqinisekise ukuthintana okuphephile nokuthembekile.
9. Hlola ngokucophelela ibhulokhi yetheminali ukuguga, ukuxega, amaphutha afihliwe njengamasekhethi amafushane, ukuxhuma okuvikelekile kwazo zonke izintambo ezixhumayo, izikhumba zezintambo ezilimele, nokuxhumana okuvikelekile kwamapulaki awo wonke amabhodi esekethe. Ukuthi ukuxhunywa kolayini wamandla oyinhloko kunokwethenjelwa, noma ngabe kukhona ukushisisa noma i-oxidation ekuxhumekeni, nokuthi ingabe isisekelo silungile.
10. Ingabe kukhona umsindo ongajwayelekile, ukudlidliza, noma iphunga elishisayo kureactor.
Ngaphezu kwalokho, uma izimo zivuma, i-waveform ye-DC ehlungiwe, i-waveform ephumayo ye-inverter, kanye nezingxenye ze-harmonic zamandla okufakwayo zingalinganiswa.
3. Ukushintshwa kwezingxenye ezisele
Isiguquli semvamisa sakhiwe izingxenye ezihlukahlukene, ezinye zazo ezingase zehle kancane kancane ekusebenzeni nasebudaleni ngemva kokusebenza isikhathi eside, okuyisizathu esiyinhloko sokuhluleka kwesiguquli semvamisa. Ukuze kuqinisekiswe ukusebenza okujwayelekile kwesikhathi eside kwemishini, lezi zingxenye ezilandelayo kufanele zishintshwe njalo:
1. Ukupholisa fan
Imojula yamandla yesiguquli semvamisa iyisisetshenziswa esikhiqiza ukushisa okukhulu, futhi ukushisa okukhiqizwa ukusebenza kwayo okuqhubekayo kufanele kukhishwe ngesikhathi esifanele. Ukuphila komlandeli ojwayelekile cishe ku-10kh kuya ku-40km. Ngokusho kokusebenza okuqhubekayo kwesiguquli semvamisa, ifeni idinga ukushintshwa njalo eminyakeni emi-2-3. Kunezinhlobo ezimbili zabalandeli bokupholisa okuqondile: izintambo ezimbili nezintambo ezintathu. Intambo eyodwa yefeni yezintambo ezimbili intambo ephozithivu, kanti enye intambo enegethivu. Uma ufaka esikhundleni, ungayixhumi ngokungalungile; Ngaphezu kwezigxobo eziphozithivu nezingezinhle, kukhona nolayini wokuhlonza wefenisha yezintambo ezintathu. Qaphela lapho uyishintsha, ngaphandle kwalokho ingabangela isiguquli sefrikhwensi ukuthi sishise kakhulu futhi ikhale i-alamu. Amafeni e-AC ngokuvamile ahlukaniswa abe ngu-220V no-380V, ngakho-ke ungalinge wenze iphutha izinga likagesi uma uwashintsha.
2. Isihlungi se-capacitor
I-Intermediate DC filtering capacitor: eyaziwa nangokuthi i-electrolytic capacitor, umsebenzi wayo oyinhloko ukushelela i-voltage ye-DC futhi imunce ama-harmonics aphansi-frequency ku-DC. Ukushisa okukhiqizwa ukusebenza kwayo okuqhubekayo, kuhlanganiswe nokushisa okukhiqizwa isiguquli semvamisa ngokwaso, kuzosheshisa ukomiswa kwe-electrolyte yayo, okuthinta ngqo umthamo wayo. Ngaphansi kwezimo ezijwayelekile, impilo yesevisi yama-capacitor cishe iminyaka emi-5. Kunconywa ukuthi uhlole njalo i-capacitance kanye ngonyaka. Ngokuvamile, uma amandla ehla ngaphezu kuka-20%, i-capacitor yokuhlunga entsha kufanele ishintshwe.