Ekusebenzeni kwezitshalo zamandla ze-Photovoltaic, besilokhu sinethemba lokuthi sikhulise ukuguqulwa kwamandla okukhanya kube amandla kagesi ukuze alondoloze izimo zokusebenza ezifanele. Ngakho-ke, singakhulisa kanjani ukusebenza kahle kwamandla okusebenza kwamandla ezitshalo zamandla e-Photovoltaic?
Namuhla, ake sixoxe ngesici esibalulekile esithinta ukusebenza kahle kwamandla kagesi kwezitshalo zamandla we-Photovoltaic - Ubuchwepheshe bokulandela amandla okulandela amandla, yilokho esivame ukubizaI-MPPT.
Uhlelo oluphezulu lwe-Power Point Tracking (MPPT) uhlelo kagesi olunika i-Photovoltaic Panel ukuba ikhiphe amandla kagesi ngokushintsha isimo esisebenzayo semodyuli kagesi. Ingagcina ngempumelelo okhiqizwayo okhiqizwe ngephaneli yelanga ebhethri, futhi angaxazulula ngempumelelo ukusetshenziswa kwamandla afuywayo nasezimbonini ezindaweni ezikude nezindawo zabavakashi ezingakwazi ukumbozwa amagilebhisi ajwayelekile, ngaphandle kokubangela ukungcoliswa kwemvelo.
Isilawuli se-MPPT singabona ama-voltage akhiqizwayo wephaneli yelanga ngesikhathi sangempela futhi alandelele i-voltage ephezulu kakhulu nenani lamanje (vi) ukuze uhlelo lukwazi ukushaja ibhethri ngokukhipha amandla aphezulu. Kusetshenziswe ezinhlelweni ze-Photovoltaic zeSolar, ukuxhumanisa umsebenzi wamaphaneli elanga, amabhethri, kanye nemithwalo ubuchopho bohlelo lwe-Photovoltaic.
Indima ye-MPPT
Umsebenzi we-MPPT angavezwa emshweni owodwa: Amandla okukhishwa kweseli le-Photovoltaic ahlobene ne-voltage esebenzayo yesilawuli se-MPT. Kuphela uma kusebenza lapho kusebenza khona ama-voltage afaneleke kakhulu amandla okukhipha anenani eliphakeme eliphakeme.
Ngoba amaseli elanga athintwa yizici zangaphandle ezifana nokuqina kokukhanya nendawo, amandla abo okukhipha, ukuqina kokukhanya kwakha ugesi owengeziwe. I-Inverter ene-MPPT Magus Power Tracking ukwenza okugcwele amaseli elanga futhi kubenza bagijime endaweni ephezulu yamandla. Lokho kusho ukuthi, ngaphansi kwesimo semisebe yelanga elihlala njalo, amandla okukhipha ngemuva kokuthi i-MPPT izoba ngaphezulu kwayo ngaphambi kwe-MPPT.
Ukulawulwa kwe-MPPT kuvame ukufezwa ngesifunda sokuguqulwa kwe-DC / DC, i-Photovoltaic cell array ixhumeke emjikelezweni we-DC / DC, kanye nedivaysi yokulandela amandla ephezulu ihlala njalo
Thola izinguquko zamanje nezezimbali ze-Photovoltaic Array, bese ulungisa umjikelezo womsebenzi wesiginali yokushayela ye-PWM ye-DC / DC Converter ngokuya ngezinguquko.
Ngemibuthano eqondile, lapho ukumelana komthwalo kulingana nokumelana kwangaphakathi kokuhlinzekwa kwamandla, ukunikezwa kwamandla kunemiphumela ephezulu yamandla. Yize womabili amaseli we-Photovoltaic kanye nama-DC / DC ukuguqulwa izifunda ukuguqulwa angenangqondo ngokuqinile, angabhekwa njengemibuthano eqondile ngesikhathi esifushane kakhulu. Ngakho-ke, inqobo nje uma ukumelana okulinganayo kwesifunda sokuguqulwa kwe-DC-DC kulungiswe ukuze kuthathwe njalo ukumelana kwangaphakathi kweseli ye-Photovoltaic, okuphezulu kweseli le-photovoltaic kungatholakala, futhi i-MPPT yeseli ye-Photovoltaic nayo ingafezeka.
Ulayini, noma kunjalo isikhathi esifushane kakhulu, angabhekwa njengesifunda esiqondile. Ngakho-ke, inqobo nje uma ukumelana okulinganayo kwesifunda sokuguqulwa kwe-DC-DC kulungiswa ukuze kufinyeleleke njalo nge-Photovoltaic
Ukumelana kwangaphakathi kwebhethri kungabona umphumela omkhulu weseli ye-Photovoltaic futhi ubone futhi i-MPPT yeseli ye-Photovoltaic.
Ukusetshenziswa kwe-MPPT
Ngokuqondene nesikhundla se-MPPT, abantu abaningi bazoba nemibuzo: Njengoba i-MPPT ibaluleke kakhulu, kungani singakwazi ukuyibona ngqo?
Empeleni, i-MPPT ihlanganiswe kwi-inverter. Ukuthatha i-microinverter njengesibonelo, isilawuli se-module-level MPPT silandelela indawo ephezulu yamandla wemodyuli ngayinye ye-PV ngakunye. Lokhu kusho ukuthi noma ngabe imodyuli ye-Photovoltaic ayisebenzi kahle, ngeke iphazamise amandla okuphehla amandla kwamanye amamojula. Isibonelo, kulo lonke uhlelo lwe-Photovoltaic, uma imodyuli eyodwa ivinjelwe yi-50% yelanga, abalawuli abaphezulu kwamaphoyinti wamandla azoqhubeka nokugcina ukusebenza kahle kwabo okuphezulu.
Uma unentshisekelo kuyoMPPT hybrid solar inverter, wamukelekile ukuthintana nemisebe ye-photovoltaicFunda kabanzi.
Isikhathi sePosi: Aug-02-2023