Ngesikhathi se-voltage yokuhlola ye-AC, inqubo yokukala yokukhipha ingxenye evame ukusetshenziswa imi kanje:
(1) Isampula yokwelashwa kwangaphambili
Ngaphambi kokuhlolwa, isampula kufanele ilandelwe ngokwemithetho efanele:
1. Gcina ingaphezulu lomkhiqizo wokuhlola lihlanzekile futhi lomile ukuze uvimbele izikwele zendawo ezibangelwa umswakama noma ukungcola endaweni ebamba ukushisa.
2. Uma zingekho izidingo ezikhethekile, isampula kufanele libe kuzinga lokushisa elizungezile ngesikhathi sokuhlolwa.
3. Ngemuva kwesenzo sangaphambilini semishini, esishisayo noma sikagesi, umkhiqizo wokuhlola kufanele ushiywe isikhathi esithile ngaphambi kokuhlolwa, ukuze unciphise umthelela wezici ezingenhla emiphumeleni yokuhlola.
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(2) Hlola izinga lokukhipha ingxenye yomjikelezo wokuhlola ngokwawo
Ungaxhumi umkhiqizo wokuhlola kuqala, kodwa sebenzisa i-voltage kuphela kumjikelezo wokuhlola.Uma kungekho ukukhishwa okuyingxenye okwenzeka ngaphansi kwe-voltage yokuhlola ephakeme kancane kunomkhiqizo wokuhlola, isifunda sokuhlola sifanelekile;uma izinga lokuphazamisa kokukhishwa ngokwengxenye lidlula noma lisondela kumthamo omkhulu ovunyelwe wokukhipha womkhiqizo wokuhlola u-50% yenani, umthombo wokuphazamiseka kufanele uhlonzwe futhi kuthathwe izinyathelo zokunciphisa izinga lokuphazamiseka.
(3) Ukulinganiswa kweluphu yokuhlola
Insimbi eseyingini yokuhlola kufanele ilinganiswe ngokujwayelekile ngaphambi kokucindezelwa ukuze kunqunywe i-coefficient yesikali sesekethe yokuhlola lapho umkhiqizo wokuhlola uxhumekile.Le coefficient ithinteka yizici zesifunda kanye namandla omkhiqizo wokuhlola.
Ngaphansi kokuzwela kwesekethe esilinganisiwe, bheka ukuthi kukhona yini ukuphazamiseka okukhulu lapho ukunikezwa kwamandla kagesi we-voltage ephezulu kungaxhunyiwe noma ngemva kokuba ukunikezwa kwamandla kagesi aphezulu kuxhunyiwe, futhi uma kunjalo, zama ukukuqeda.
(4) Ukunqunywa kwe-voltage yokuqala yokukhipha kanye ne-voltage yokucisha
Susa idivayisi yokulinganisa futhi ugcine ezinye izintambo zingashintshiwe.Lapho i-waveform ye-voltage yokuhlola ihlangabezana nezidingo, i-voltage yengezwa isuka ku-voltage engaphansi kakhulu kwe-voltage yokuqalisa yokukhipha ingxenye elindelekile, futhi i-voltage iphakanyiswa ngesivinini esishiwo kuze kube yilapho amandla okukhiphayo efinyelela inani elithile.I-voltage ngalesi sikhathi iyingxenye ye-voltage yokuqala yokukhipha.Khona-ke i-voltage ikhuphuka ngo-10%, bese i-voltage yehliswa kuze kube yilapho umthamo wokukhipha ulingana nenani elishiwo ngenhla, futhi i-voltage ehambisanayo iwukucinywa kokukhishwa okuyingxenye.Lapho ukala, i-voltage esetshenzisiwe ayivunyelwe ukudlula i-voltage elinganiselwe yokumelana nento yokuhlola.Ngaphezu kwalokho, ukusetshenziswa okuphindaphindiwe kwama-voltage eduze kwayo kungase kulimaze into yokuhlola.
(5) Linganisa ukukhishwa okuyingxenye ngaphansi kwe-voltage yokuhlola eshiwo
Kungabonakala kulokhu okungenhla ukuthi amapharamitha abonisa ukukhipha ingxenye yawo wonke akalwa ku-voltage ethile, engase ibe phezulu kakhulu kune-voltage yokuqalisa yokukhipha ingxenye.Kwesinye isikhathi kubekwa ukulinganisa umthamo wokukhipha ngaphansi kwama-voltage ambalwa okuhlola, futhi ngezinye izikhathi kunikezwa ukugcina isikhathi esithile ngaphansi kwevolthi ethile yokuhlola futhi kwenziwe izilinganiso eziningi ukuze kubonwe inkambiso yokuthuthuka yokukhipha ingxenye.Ngenkathi ilinganisa ivolumu yokukhipha, ingakwazi futhi ukukala inani lokukhishwa, isilinganiso samanje sokukhipha kanye neminye imingcele yokukhipha ingxenye.
1. Ukulinganisa ngaphandle kwe-voltage esetshenziswe ngaphambilini
Ngesikhathi sokuhlolwa, i-voltage kusampula ikhuphuka kancane kancane isuka enanini eliphansi iye kunani elishiwo, futhi igcinwe isikhathi esithile ngaphambi kokulinganisa ukukhishwa okuyingxenye, bese yehlisa i-voltage futhi inqamule ukunikezwa kwamandla.Ukukhishwa okuyingxenye kwesinye isikhathi kukalwa phakathi ne-voltage ramp-up, i-ramp-down, noma phakathi naso sonke isikhathi sokuhlola ku-voltage eshiwo.
2. Ukulinganisa nge-voltage esetshenziswe ngaphambilini
Ngesikhathi sokuhlolwa, i-voltage ikhuphuka kancane kancane isuka enanini eliphansi, futhi ngemuva kokweqa i-voltage yokuhlola yokukhipha ingxenye ethile eshiwo, ikhuphukela ku-voltage esetshenziswe ngaphambilini, iyigcine isikhathi esithile, bese yehlela enani lokuhlola amandla, igcina isikhathi esishiwo, bese ikala ngesikhathi esinikeziwe sokukhipha ingxenye yesikhawu sesikhathi.Phakathi naso sonke isikhathi sokusetshenziswa kwe-voltage, ukunakwa kufanele kukhokhwe ekushintsheni kwenani lokukhipha ingxenye.
Isikhathi sokuthumela: Nov-16-2022