Iimbangela kunye nezisombululo zegridi-eqhagamshelwe kwikhabhinethi i-tripping ye-photovoltaic power station

Njengoko imfuno yehlabathi yamandla ahlaziyekayo iqhubeka ikhula, ukuveliswa kwamandla e-photovoltaic njengenxalenye ebalulekileyo yamandla acocekileyo, ukusetyenziswa kwayo kuninzi kwaye kuninzi. Inkqubo edibeneyo yegridi yesikhululo samandla e-photovoltaic kunye negridi yamandla isitshixo sokuqonda ukusetyenziswa ngokufanelekileyo kwenkqubo yokuvelisa amandla e-photovoltaic, phakathi kwayo indima "yekhabhinethi edityaniswe negridi ye-photovoltaic" ibalulekile. Nangona kunjalo, kwinkqubo yokusebenza kwegridi edibeneyo yesikhululo samandla e-photovoltaic, ingxaki ye-photovoltaic grid-eqhagamshelwe kwikhabhinethi i-tripping ivame ukwenzeka.

Okokuqala, amacandelo angundoqo ekhabhinethi edibeneyo yegridi ye-photovoltaic iquka:
Isixhobo: Iguqula umsinga othe ngqo ube ngumsinga otshintshanayo ohlangabezana nefrikhwensi kunye neemfuno zombane wegridi.
Isixhobo sokukhusela: kubandakanywa ukugqithisa, ukugqithisa, ukukhuselwa rhoqo, ukukhuselwa komhlaba, njl., kunokunqumla ukudibanisa kunye negridi yamandla xa igridi yamandla ingaqhelekanga, ukukhusela umonakalo kwisixhobo se-photovoltaic.
Inkqubo yokubeka iliso: Ukujongwa kwexesha lokwenyani lombane wegridi yamandla, okwangoku, ukuphindaphinda kunye nezinye iiparamitha zokuqinisekisa ukusebenza okuqhelekileyo kwenkqubo.

Okwesibini, izizathu eziqhelekileyo ze-photovoltaic grid-eqhagamshelwe kwikhabhinethi yokukhwela
I-Pv grid-eqhagamshelwe kwikhabhathi yokukhubeka idla ngokubangelwa ziimpazamo ezahlukeneyo zombane okanye ukungahambi kakuhle kwenkqubo. Izizathu ezithile ziquka le miba ilandelayo:

Ukhuseleko lombane ogqithisileyo: Xa kwenzeka i-short circuit, overload okanye ezinye iimpazamo zombane kwi-power grid, i-current ingadlula kakhulu umgama oqhelekileyo wokusebenza, nto leyo ebangela ukuba isixhobo sokukhusela i-overcurrent yekhabhinethi eqhagamshelwe kwi-photovoltaic grid siqalise ukusebenza. Oku kwenzelwa ukuthintela i-current ephezulu ukuba ingabangela umonakalo kwizixhobo, ingakumbi izixhobo ezibalulekileyo ezifana nee-inverters. Xa kwenzeka i-overcurrent crash, ikhabhinethi eqhagamshelwe kwi-grid idla ngokuyikhupha ngoko nangoko i-photovoltaic power station kwi-grid.

Umbane ogqithisileyo okanye ongaphantsi kwamandla: Ukutshintshatshintsha kwevolthi kwigridi yenye imbangela eqhelekileyo yokukhubeka. Isixhobo sokukhusela umbane ogqithisileyo kunye nombane ongaphantsi kwamandla esakhelwe ngaphakathi kwikhabhinethi eqhagamshelwe kwigridi yePV sinokujonga utshintsho lwevolthi kwigridi ngexesha langempela. Xa ivolthi idlula umda obekiweyo, ikhabhinethi eqhagamshelwe kwigridi yePV iya kubangela ukhuseleko lokukhubeka ukuthintela umonakalo wezixhobo obangelwa yivolthi ephezulu, okanye ayinakubonelela ngombane ozinzileyo xa ivolthi iphantsi kakhulu.

I-frequency engaqhelekanga: I-frequency engaqhelekanga yegridi yamandla (njengokuphindaphinda okungaphaya koluhlu oluvumelekileyo lwe-50Hz okanye i-60Hz) iya kukhokelela kumonakalo ohambelanayo wegridi yamandla kunye nesikhululo samandla se-photovoltaic, kwaye emva koko yenze i-inverter ingakwazi ukusebenza ngokuqhelekileyo. Xa i-frequency yegridi yamandla iphambuka kuluhlu oluqhelekileyo, isixhobo sokukhusela i-frequency sekhabhinethi eqhagamshelwe kwigridi ye-photovoltaic siya kuqala kwaye siqhawuke kwigridi yamandla ukuze siphephe ukuchaphazela izixhobo ze-photovoltaic.

Ukusilela kwe-inverter: I-inverter yenye yezona zinto ziphambili zesikhululo samandla se-photovoltaic, kwaye ukusilela kwayo (njengobushushu obugqithisileyo, ukugqithisa, ukusilela kwehardware, njl.njl.) yenye yezizathu ezibalulekileyo zohambo lwekhabhinethi eqhagamshelwe kwigridi. Ukuba i-inverter ayiguquli i-DC ibe yi-AC, umbane awuhlangabezani neemfuno zegridi yamandla, nto leyo ebangela indlela yokukhusela ikhabhinethi eqhagamshelwe kwigridi.

Ukusilela kokumisa umhlaba: Ukuba inkqubo yokumisa umhlaba yesikhululo samandla se-photovoltaic iyasilela, inokubangela ukuvuza komsinga. Ikhabhinethi eqhagamshelwe kwigridi idla ngokuxhotyiswa ngomsebenzi wokukhusela ukumisa umhlaba, kwaye xa kufunyenwe ukuvuza okanye isiphene sokumisa umhlaba, iya kuyinqumla ngokuzenzekelayo inxibelelwano phakathi kwesikhululo samandla se-photovoltaic kunye negridi ukuqinisekisa ukhuseleko lombane.

Iingxaki zomgangatho wegridi: Ukuguquguquka komgangatho wegridi, okufana nongcoliseko lwe-harmonic, utshintsho lwe-voltage okanye imisebenzi yokutshintsha rhoqo, kunokubangela ukuba ikhabhinethi eqhagamshelwe kwigridi ye-PV ikhubeke. Nangona iinkampani zegridi zihlala zigcina umgangatho wegridi uzinzile, kwezinye iindawo, xa igridi itshintsha kakhulu, izityalo zamandla ze-photovoltaic zinokuchaphazeleka.

Okwesithathu, ukusombulula ingxaki yokukhwela i-photovoltaic grid-eqhagamshelwe kwikhabhinethi
Ukuze kuncitshiswe iziganeko ze-photovoltaic grid-eqhagamshelwe kwikhabhinethi ehamba kunye nokuqinisekisa ukuba isikhululo samandla se-photovoltaic esizinzile segridi kunye negridi yamandla, kuyacetyiswa ukuba uthathe amanyathelo alandelayo:

Uvavanyo nokugcinwa rhoqo: Ukugcinwa rhoqo nokuhlolwa kweekhabhathi eziqhagamshelwe kwigridi ye-photovoltaic, kubandakanya uvavanyo olupheleleyo lwee-inverters, izixhobo zokukhusela zangoku, iinkqubo zokumisa umhlaba, njl. Ngale ndlela, iingxaki ezinokubakho zinokufunyanwa ngexesha elifanelekileyo kwaye umngcipheko wokungasebenzi kakuhle kwezixhobo ungancitshiswa.

Ukulungiswa kwezicwangciso eziqhagamshelwe kwigridi: Kwinkqubo eqhagamshelwe kwigridi yezikhululo zamandla ze-photovoltaic, ukuseta iiparameter ze-inverter kubalulekile. Qinisekisa ukuba i-output voltage kunye ne-frequency ye-inverter zihambelana negridi yamandla, kwaye ulungise ngexesha elifanelekileyo iiparameter zokuvelisa umbane zesikhululo samandla se-photovoltaic ngokweenguqu zegridi yamandla ukuze uphephe ukukhubeka okubangelwa kukungazinzi kwe-voltage okanye i-frequency.

Ukusetyenziswa kwezixhobo ezikumgangatho ophezulu: Ukusetyenziswa kwee-inverters ze-photovoltaic ezikumgangatho ophezulu, iikhabhathi eziqhagamshelwe kwigridi kunye nezinye izixhobo zombane kunceda ukuphucula uzinzo kunye nokuthembeka kwenkqubo. Ukukhetha izixhobo ezinokunyamezelana neziphene eziphezulu kunye nokuqwalasela utshintsho kumgangatho wegridi kuyilo kunokunciphisa kakhulu umngcipheko wokukhubeka.

Qinisa ukhetho lweendawo zokufikelela kwigridi: Ukukhethwa kweendawo zokufikelela kwizikhululo zamandla ze-photovoltaic kufuneka kuthathelwe ingqalelo umthwalo wegridi, uzinzo kunye nomthamo wokuhambisa wegridi. Ingakumbi kwiindawo apho igridi yamandla ingazinzanga ngakumbi, unxibelelwano nenkampani esebenzayo yegridi yamandla kufuneka luqiniswe ukuqinisekisa ukuba iimeko zombane zeendawo ezihambelanayo ziyahlangabezana neemfuno.

Qinisa uqeqesho lwabasebenzi bezobuchwephesha: uqeqesho lobungcali lwabasebenzi bokusebenza nokugcinwa kwezikhululo zamandla ze-photovoltaic ukuqinisekisa ukuba bayazazi kakuhle iinkqubo zokusebenza kunye neendlela zonyango olungxamisekileyo lwezikhululo zamandla ze-photovoltaic, ezinokuthintela ngempumelelo ukukhubeka kweekhabhathi eziqhagamshelwe kwigridi ngenxa yokusebenza okungafanelekanga.