Iyunithi yokumpompa imishayo emisiwe evamile isebenzisa ukusebenza kwesivinini esingaguquki ngokwengezwa kweyunithi yokubhuleka noma isikimu sempendulo yamandla, esinezihibe ezinkulu mayelana nokusetshenziswa kwamandla nezindleko. Lesi sihloko sethula ukusetshenziswa kwesistimu yokulawula ye-elekthronikhi ene-Dongli Kechuang CT100 yochungechunge lwe-frequency converter njengomongo wamayunithi okumpompa endaweni kawoyela, futhi iphakamisa uhlelo olusha lwamandla namandla okulawula iluphu ekabili evalekile, esebenza kahle kakhulu futhi engabizi kakhulu.
Ukusetshenziswa kwe-Dongli Kechuang CT100 isiguquli sefrikhwensi kuyunithi yokumpompa imishayo emisiwe
Iyunithi yokumpompa imishayo emisiwe evamile isebenzisa ukusebenza kwesivinini esingaguquki ngokwengezwa kweyunithi yokubhuleka noma isikimu sempendulo yamandla, esinezihibe ezinkulu mayelana nokusetshenziswa kwamandla nezindleko. Lesi sihloko sethula ukusetshenziswa kwesistimu yokulawula ye-elekthronikhi ene-Dongli Kechuang CT100 yochungechunge lwe-frequency converter njengomongo wamayunithi okumpompa endaweni kawoyela, futhi iphakamisa uhlelo olusha lwamandla namandla okulawula iluphu ekabili evalekile, esebenza kahle kakhulu futhi engabizi kakhulu.
Isingeniso
Iningi lamasimu kawoyela ezweni lakithi amandla kawoyela aphansi futhi anesivuno esincane, ngokungafani nezizinda zikawoyela zakwamanye amazwe ezinamandla okuzijova. Amafutha amaningi adinga ukujova emthonjeni ngomjovo wamanzi futhi aphakanyiswe kusukela ekubunjweni ngemishini yokupompa (imishini yokushaya). EShayina, ukushintsha uwoyela ngamanzi namafutha ngogesi kuyiqiniso elikhona ezizindeni zikawoyela, futhi ukusetshenziswa kukagesi kubala ingxenye enkulu yezindleko zokumbiwa kukawoyela ezweni lakithi. Ngakho-ke, imboni kawoyela ibheka ukubaluleka okukhulu ekongeni ugesi, futhi ukonga ukusetshenziswa kukagesi kusho ukunciphisa ngokuqondile izindleko zokukhishwa kukawoyela.
Isixazululo sokonga amandla seyunithi yokumpompa ukusebenzisa isiguquli sefrikhwensi ukuze siguqule isistimu yayo yokushayela imoto. Ngemuva kokushintshela kusiguquli semvamisa seyunithi yokumpompa, kunezinzuzo ezimbalwa:
(1) Ukuthuthukisa isici samandla: Isici samandla esiseceleni kokokufaka singakhushulwa sisuka kokungu-0.25-0.5 sangempela siye ngaphezu kuka-0.9, kwehlise kakhulu amandla amanje, ngaleyo ndlela kwehlise umthwalo kugridi yamandla nama-transformer, kuncishiswe ukulahleka kolayini, futhi konga izindleko eziningi "zokwandisa umthamo".
(2) Ukuthuthukisa ukusebenza kahle kokusebenza: Ijubane lokukhipha lingashintshwa ngokuguquguqukayo ngokuya ngomthamo wangempela wokunikezwa kwamanzi omthombo kawoyela, ongafezi nje kuphela izinhloso zokonga amandla, kodwa futhi wandise ukukhiqizwa kukawoyela ongahluziwe, okuthuthukisa kakhulu ukusebenza kahle kohlelo.
(3) 'Isiqalo esithambile' sangempela sizuziwe: sigwema umthelela omkhulu wemishini enjini kagesi, ibhokisi legiya, kanye neyunithi yokumpompa, kwandisa kakhulu isikhathi sokusebenza kwezisetshenziswa, kunciphisa isikhathi sokuphumula, nokuthuthukisa ukusebenza kahle kokukhiqiza.
Kodwa-ke, kukhona nezinkinga ezimbalwa okudingeka zixazululwe lapho kusetshenziswa i-frequency converter ye-motor yeyunithi yokumpompa, ikakhulukazi inkinga ye-surge current kanye nokuphathwa kwamandla okuvuselela, okuzohlaziywa ngokwehlukana ngezansi.
Isethulo sesimo samanje samayunithi amisiwe wokumpompa ama-beam
Isingeniso Sendlela Yomshini Weyunithi Emisiwe Yokumpompa I-Beam
Iyunithi yokumpompa i-beam ngokuyinhloko yakhiwe izingxenye ezine:
(1) Ingxenye yohlaka: ikhanda lembongolo, ugongolo, ugongolo oluphambene, ugodo lomsila, induku yokuxhuma, ibhalansi (iyunithi yokumpompa ibhalansi eyinhlanganisela)
(2) Isigaba sobakaki: isihlalo esithwele uhlaka oluphambanayo, isitebhisi somsebenzi, indandatho yokuvikela, inkundla yokusebenza, ubakaki.
(3) Ingxenye yokunciphisa: isisekelo, isihlalo sokunciphisa isilinda, isinciphisi, i-crankshaft, i-counterweight, ibhuleki nezinye izingxenye.
(4) Isigaba sokusabalalisa amandla: isisekelo semoto, injini, ibhokisi lokusabalalisa, njll
I-Shenzhen Dongli Sci Tech Innovation Technology Co., Ltd
1. Isisekelo; 2-Ubakaki; 3-Isisetshenziswa sentambo yokumiswa; 4- Ikhanda lembongolo; 5-ugodo; Isihlalo se-6-Beam; 7-crossbeam; 8-induku yokuxhuma; Idivayisi yephinikhodi engu-9-crank; 10 idivayisi crank; 11- Umnciphisi; 12. Ithuluzi lokuphepha lamabhuleki; 13- Idivayisi yokubhuleka; 14- Imoto kagesi; 15- Ibhokisi lokusabalalisa.
Njengoba kubonisiwe emfanekisweni, iyunithi yokumpompa imishayo iwumshini wokuxhuma wamabha amane awonakele, futhi izici zayo zesakhiwo sezizonke zifana nebhalansi. Omunye umkhawulo uwumthwalo wokumpompa, kanti omunye uwumthwalo osindayo olinganiselayo. Kubakaki, uma i-torque eyenziwe umthwalo wokupompa kanye nomthwalo wokulinganisa ulingana noma ushintsha ngokuqhubekayo, khona-ke iyunithi yokupompa ingasebenza ngokuqhubekayo futhi ingaphazanyiswa ngamandla amancane kakhulu. Okusho ukuthi, ubuchwepheshe bokulondoloza amandla weyunithi yokupompa buncike ebhalansi. Lapho ibhalansi iphansi isilinganiso, amandla amakhulu adingekayo enjini kagesi. Ngenxa yokuthi umthwalo wokumpompa uhlala ushintsha, futhi isisindo sebhalansi asikwazi ukuhambisana ngokuphelele nomthwalo wokumpompa, kwenza ubuchwepheshe bokonga amandla bamayunithi okumpompa ama-beam buyinkimbinkimbi kakhulu. Ngakho-ke, kungashiwo ukuthi ubuchwepheshe bokulondoloza amandla weyunithi yokupompa i-beam ubuchwepheshe bokulinganisa.
Isingeniso Sesimo Samanje Sokuguqulwa Kokuguquguquka Kwe-Beam Emisiwe
Kusukela esimeni sangempela sokuguqulwa kokuguqulwa kwemvamisa, iningi lama-counterweights amayunithi okumpompa empeleni alilinganiseli kakhulu, okuholela ekuqhumeni kwamanje okweqile, okungachithi nje amandla kagesi amaningi ngokungadingekile, kodwa futhi kusongela kakhulu ukuphepha kwezinto zokusebenza. Ngasikhathi sinye, iphinde ibeke ubunzima obukhulu bokusebenzisa isilawuli sesivinini se-frequency converter: umthamo we-converter frequency ngokuvamile ukhethwa ngokusekelwe kumandla alinganisiwe wemoto, futhi amandla okwanda ngokweqile angabangela ukuvikelwa kokulayisha ngokweqile kwesiguquli semvamisa, esingakwazi ukusebenza ngokujwayelekile.
Ukwengeza, esigabeni sokuqala sokuxhashazwa komthombo kawoyela, kunenani elikhulu lokugcina uwoyela kanye nokutholakala koketshezi olwanele. Ukuthuthukisa ukusebenza kahle, ukusebenza kwemvamisa yamandla kungasetshenziswa ukuqinisekisa ukukhiqizwa kukawoyela okuphezulu. Kodwa-ke, ezigabeni ezimaphakathi nezakamuva, ngenxa yokuncipha kwamandla okugcina amafutha, kulula ukubangela ukutholakala koketshezi okwanele. Uma injini isasebenza esimweni samandla kagesi, nakanjani izomosha amandla kagesi futhi ibangele ukulahlekelwa okungadingekile. Ngalesi sikhathi, kuyadingeka ukucabangela isimo sangempela sokusebenza futhi unciphise ngokufanelekile isivinini se-motor kanye ne-stroke ukuze kuthuthukiswe ngempumelelo izinga lokugcwalisa.
Isingeniso Sezixazululo Zendabuko Zokuguqula Imvamisa
Ukwethulwa kobuchwepheshe bokuguqula imvamisa ibe kulawulwa amayunithi okuphampa i-boam kuyithrendi. Ukulawulwa kwejubane lokuvama okuguquguqukayo kungokulawulwa kwejubane elingenasinyathelo, okunquma imvamisa yokusebenza yemoto ngokususelwa kubukhulu bamanje okusebenza kwayo. Lokhu kuvumela ukulungiswa okulula kwe-stroke yeyunithi yokumpompa ngokuvumelana nezinguquko ezimweni zemithombo, ukufeza ukongiwa kwamandla kanye nokuthuthukisa isici samandla segridi yamandla. Ukusetshenziswa kobuchwepheshe bokulawula ukuguqulwa kwe-vector frequency kungaqinisekisa ukuphuma kwe-torque ephansi nephezulu, futhi isivinini singalungiswa kahle futhi silungiswe kabanzi. Ngasikhathi sinye, isiguquli semvamisa sinemisebenzi ephelele yokuvikela imoto, njengesekethe emfishane, ukulayishwa ngokweqile, ukugcwala ngokweqile, ukungasebenzi kahle kwe-voltage, kanye nesitebele, esingavikela ngempumelelo imishini yemoto neyomshini, iqinisekise ukuthi okokusebenza kusebenza ku-voltage ephephile, futhi kunezinzuzo eziningi njengokusebenza okushelelayo nokuthembekile, amandla athuthukisiwe, njll. Kuyisixazululo esifanelekile sokuguqulwa kwemishini yokukhiqiza uwoyela. Izixazululo zamanje ezijwayelekile zimi kanje:
I-inverter eneyunithi yokubhuleka yokusetshenziswa kwamandla
Le ndlela ilula, kodwa ukusebenza kahle kwayo kuphansi. Lokhu kubangelwa ikakhulukazi impendulo yamandla akhiqizwa injini ngesikhathi sokushaywa phansi ngesikhathi sokusebenza kwejubane njalo. Uma usebenzisa isiguquli sefrikhwensi evamile, okokufaka kuyalungiswa, futhi amandla awakwazi ukugelezela ngakolunye uhlangothi. Ingxenye engenhla yamandla kagesi ayinayo indlela yokugeleza ibuyele kugridi futhi kufanele isetshenziswe endaweni kusetshenziswa izinto eziphikisayo. Yingakho kufanele kusetshenziswe amayunithi amabhuleki adla amandla, okuholela ngokuqondile ekusetshenzisweni kwamandla okuphezulu kanye nokusebenza kahle okuphansi jikelele.
Ukungalungi: Ukusebenza kahle kwamandla okuphansi kanye nesidingo sokufaka amayunithi okubhuleka nama-resistors amabhuleki.
I-inverter enokulawulwa kweyunithi yempendulo
Ukuze uphendule amandla avuselelwe futhi kuthuthukiswe ukusebenza kahle, idivayisi yempendulo yamandla ingasetshenziswa ukubuyisela amandla avuselelwe kugridi yamandla. Ngale ndlela, uhlelo luba nzima kakhulu futhi ukutshalwa kwezimali kuphezulu. Idivayisi ebizwa ngempendulo yamandla empeleni iyisiguquli esisebenzayo. Ngokufaka isiguquli sefrikhwensi eneyunithi yempendulo yamandla, abasebenzisi banganquma ukuguquguquka, isivinini, nokukhiqizwa koketshezi kweyunithi yokumpompa ngokusekelwe ezingeni loketshezi nokucindezela komthombo kawoyela, ukwehlisa ukusetshenziswa kwamandla kanye nokuthuthukisa ukusebenza kahle kwephampu; Yehlisa ukuguga kwemishini, unwebe impilo yesevisi, uthole ukusebenza kahle okuphezulu, ukonga amandla, nezindleko eziphansi, futhi ubone ukusebenza okuzenzakalelayo ngaphansi kwezimo eziphezulu zokonga amandla. Kodwa-ke, ngenxa yemodi yokusebenza yesiguquli semvamisa kanye nedivayisi yempendulo, ukusetshenziswa kohlelo lwempendulo yamandla kubangela ukungcoliswa okubalulekile kwe-harmonic ekugcineni kokunikezwa kwamandla, okuholela ekwehleni okukhulu kwekhwalithi yegridi yamandla.
Ukubi: Kudinga ukufakwa kwemishini yempendulo, ebiza kakhulu futhi ebangela ukungcoliswa okuphawulekayo kugridi yamandla.
Isingeniso se-Dongli Sci Tech CT100 Series Frequency Conversion Solution
Ngenxa yezingqinamba ezihlukahlukene zezinhlelo zokuguqula imvamisa yendabuko, i-Shenzhen Dongli Sci Tech Innovation Technology Co., Ltd. yenze ucwaningo olunzulu ngenqubo yeyunithi yokumpompa ipulangwe emisiwe, yamukela ukuhlakanipha kwesofthiwe okusekelwe phezu kwenqubo yokulawula iyunithi yokumpompa emisiwe, futhi yamukela ukulawulwa kweyunithi evaliwe ekabili evaliwe ukuze igweme ukulawulwa kokukhishwa kwamandla okubushelelezi namandla ukuze kugwenywe ukugeleza okubushelelezi namandla. amandla e-motor kinetic kanye ne-voltage yebhasi ephezulu. Ngaphezu kwalokho, umgomo wokuqeda iyunithi yokubhuleka kanye nedivayisi yempendulo yamandla uyafinyelelwa, ngokugwema izithiyo ezihlukahlukene zezinhlelo zokuguqula imvamisa evamile.
Umqondo wokulawula oyinhloko walolu hlelo ukulawula okukhiphayo njalo. Isiguquli sefrikhwensi sisekelwe kumodi yokulawula ye-PID eneluphu yokuphuma engashintshi. Ngokulungisa imvamisa yokuphumayo, ukulawula okukhiphayo okunganqamuki kungafinyelelwa, okunganciphisa ngempumelelo isilinganiso samandla okukhiphayo, kuzuze ukonga amandla okusebenzayo, nokuvikela indlela yeyunithi yokumpompa ngenkathi kuhlangatshezwana nezidingo zomfutho. Okusho ukuthi, isiguquli semvamisa asidingi ukusetha imvamisa ethile yokusebenza, futhi imvamisa yangempela yokuphuma ilungiswa ngokuzenzakalelayo nge-PID evaliwe-loop. Ngesikhathi se-downstroke, ngenxa ye-inertia enkulu yomthwalo, lapho ijubane lokuvumelanisa liphansi kunejubane lemoto, i-motor ikhiqiza ugesi, futhi i-torque ephumayo yesiguquli semvamisa ayilungile. Ngalesi sikhathi, isiguquli sefrikhwensi sinyusa ngokuzenzakalelayo imvamisa yokuphumayo ukuze kuqedwe itorque engalungile futhi kugwemeke ukuthi injini ibe sesimweni sokukhiqiza. Ngesikhathi sokukhuphuka, amandla angaba khona aguqulwa ngokuphelele abe amandla e-kinetic. Ngalesi sikhathi, isivinini esikhulu kanye ne-inertia kwenzeka, futhi injini iyancipha ukwenza isenzo sokukhuphuka. Uma isivinini siphansi, isiguquli se-frequency sisebenza kumodi yokulawula ye-PID ephuma njalo, futhi sandise ngokuzenzakalelayo isivinini sokushaya ukuze kuqedelwe isenzo sokukhuphuka. Ngayo yonke inqubo yokulawula, kuyaziwa ukuthi injini ayizange ibe sesimweni sokukhiqiza, ngakho-ke asikho isidingo sokufaka iyunithi yokubhuleka kanye nedivayisi yempendulo ye-RBU. Phakathi naleso sikhathi, phakathi nayo yonke inqubo ye-stroke, i-downstroke ihamba kancane futhi amafutha amaningi angacwiliswa; Ukukhuphuka okusheshayo, kunciphisa ukuvuza kwamafutha: kukhulisa kakhulu ukukhiqizwa kukawoyela.
Izinzuzo: Asikho isidingo sokufaka ukusetshenziswa kwamandla noma amadivaysi empendulo, kanye nenqubo yokukhipha uwoyela elungiselelwe, ethuthukisa kakhulu ukusebenza kahle kukonke.
Isingeniso ku-Dongli Sci Tech CT100 Series Frequency Conversion
I-CT100 frequency converter ye-Shenzhen Dongli Kechuang Technology Co., Ltd. isekelwe ohlelweni lokulawula i-DSP futhi yamukela ubuchwepheshe bokulawula i-vector yamahhala be-PG, obuhlanganiswe nezindlela eziningi zokuvikela, ezingasetshenziswa kumamotho asynchronous futhi zinikeze ukusebenza okuhle kakhulu kokushayela. Umkhiqizo uthuthukise kakhulu ukusebenziseka kwamakhasimende kanye nokuvumelana nezimo zemvelo ngokuya ngedizayini yepayipi lomoya, ukucushwa kwehadiwe, nokusebenza kwesoftware.
Izici Zobuchwepheshe
Okuqondene nembonini: Ngokusekelwe kungqondongqondo yesofthiwe yenqubo yokulawula iyunithi yokumpompa, izuza ngempela izixazululo eziqondene nezimboni nezihamba phambili.
Ukukhetha okunokwethenjelwa okuphezulu: Izingxenye ezibalulekile zonke zivela kumikhiqizo eyaziwayo yasekhaya neyangaphandle, eqinisekisa ukuzinza okuthembekile nokuthembekile kwezingxenye.
◆ Idizayini enkulu yokuphelelwa umsebenzi: Ngokubala okuqinile nokuqinisekisa kokuhlola, izingxenye ezibalulekile ziklanywa ngamamajini amakhulu ukuze kuqinisekiswe ubuqotho bawo wonke umshini emikhakheni kawoyela.
Ukuzinza kwesikhathi eside ezindaweni ezimbi.
Ukulawulwa kwe-vector okuthuthukisiwe: Ukulawulwa kwe-vector okuhamba phambili kwesivinini kwasekhaya okuhamba phambili nge-torque ephezulu ephansi kanye nokuphendula kwetorque esheshayo.
◆ Umsebenzi wokunciphisa i-Software wamanje kanye ne-voltage: I-voltage enhle kanye nomkhawulo wamanje, okukhawulela ngempumelelo amapharamitha okhiye wokulawula ukuze kuncishiswe ingozi yokuhluleka kwe-inverter.
Ukuzivumelanisa nezimo kwemvelo okuqinile: Ngephuzu eliphezulu lokushisa eliphelele, idizayini yepayipi lomoya elizimele, kanye nokwelashwa kopende okufakazela ubufakazi obuthathu, ifaneleka kakhulu ekusebenzeni kwesikhathi eside ezindaweni zikawoyela zangaphandle.
◆ Umsebenzi wokuqalisa kabusha ukulandelela isivinini: finyelela isiqalo esibushelelezi samamotho ajikelezayo ngaphandle komthelela
◆ Umsebenzi wokulungisa i-voltage ezenzakalelayo: Lapho i-voltage yegridi ishintsha, ingagcina ngokuzenzakalelayo i-voltage ephumayo engaguquki
Ukuvikelwa kwamaphutha okuphelele: i-overcurrent, overvoltage, undervoltage, overtemperature, ukulahleka kwesigaba, ukulayisha ngokweqile kanye neminye imisebenzi yokuvikela
Isiphetho
Ngenxa yezithiyo ezihlukahlukene zemodi yohlelo lokusebenza yokuguqula imvamisa evamile yeyunithi yokumpompa insimbi, ukuthuthukiswa okuqhubekayo kohlelo lokulawula ukuguqulwa kokuguqulwa kwemvamisa akunakugwenywa. I-Shenzhen Dongli Sci Tech Innovation Technology Co., Ltd. izohola uguquko lwemboni ngezisombululo zayo zokulawula ezintsha. Ngesikhathi esifanayo, isofthiwe enokwethenjelwa nokuzinza kwehadiwe ye-CT100 series frequency converter iqinisekisa nokuthi izohlinzeka amakhasimende ngolwazi lomsebenzisi olubiza kakhulu.