Sebopeho se Kopantsoeng ke Grid le Tiisetso ea Polokeho bakeng sa Li-Inverters tsa Solar PV

Mebuso le lik'hamphani tsa motlakase lefatšeng ka bophara li lebeletse hore motlakase oa photovoltaic o tla phetha karolo ea bohlokoa phepelong ea matla nakong e tlang. Ho fetola motlakase o otlolohileng (DC) o hlahisoang ke lisele tsa letsatsi hore e be alternating current (AC) e khonang ho kenella ka har'a marang-rang ha se phephetso ea tekheniki feela empa hape e beha litlhoko tse thata ho baqapi. Li-inverters tsa PV li tlameha ho fumana ts'ebetso e nepahetseng ho tsoa mefuteng e mengata e fapaneng ea matla le libaka tse sebetsang ha li ntse li latela ka thata litekanyetso tsa polokeho.

Mehopolo ea Moralo le Moralo

Moralo oa inverter oa photovoltaic o tlameha ho etelletsa pele phetoho e sebetsang ea matla ha o ntse o netefatsa polokeho ea sistimi. Tekanyo e nepahetseng ea matla ke ntlha ea bohlokoa ho ntlafatseng ts'ebetso ea inverter. Ho ts'ehetsa mekhoa e tsoelang pele ea theknoloji ea photovoltaic, baetsi ba li-inverter ba tlameha ho sebelisana haufi-ufi le baetsi ba li-sensor ho hlahisa lihlahisoa tse kopanang le litlhoko tsa morao-rao.

Ho Matlafatsa Matla a Pheliso ea Matla

Ho notlolla bokhoni bo felletseng ba lits'ebetso tsa PV, boiteko bo tlameha ho tsepamisa maikutlo ho ntlafatsa ts'ebetso ea tlhahiso ea matla ho fokotsa litšenyehelo. Hajoale, baetsi ba lisele tsa letsatsi ba ikitlaelletsa ho eketsa ts'ebetso ea phetolo ea khanya ho isa ho motlakase, ha baetsi ba li-inverter ba PV ba tsepamisitse maikutlo ho nts'etsopele ea li-inverters tsa moloko o latelang tse kopanyang tlhahlobo le likarolo tse ling tse bohlale ho matlafatsa matla le katleho. Theknoloji ea mefuta e mengata e emela mokhoa o hlahang, o nolofalletsang mohala o mong le o mong oa selefouno ho ba le sesebelisoa se ikemetseng sa Maximum Power Point Tracking (MPPT), ka tsela eo ho eketsa tlhahiso ea matla.

Mehato ea Polokeho

Le ha meralo e senang transformer e thusa ho fokotsa litšenyehelo le ho ntlafatsa ts'ebetso, e boetse e hlahisa mathata a mang a polokeho. Mohlala, liphetho tsa inverter li kanna tsa ba le likarolo tsa DC ka lebaka la lintlha tse kang ho fetoha ho sa nepahalang ha IGBT. Ka hona, li-sensor tse nepahetseng tsa hajoale li tlameha ho kenyelletsoa nakong ea moralo ho fokotsa ho thella le ho hoholeha, ho netefatsa ho latela meeli e thata ea ente ea DC ho pholletsa le linaha. Ho feta moo, ho thibela ho lutla ha fatše ho bohlokoa, hangata ho finyelloang ho sebelisoa lisebelisoa tsa morao-rao (RCDs) kapa litharollo tse tšoanang tsa sensor ho sireletsa sistimi.

Ha theknoloji e ntse e tsoela pele, litlhaloso tsa moralo oa photovoltaic inverter li lebelletsoe ho ba thata le ho feta. Mohlala, meeli eo ho lumellanoeng ka eona lefats'eng ka bophara mabapi le ho kheloha ha harmonic (THD) ea maqhubu a tlhahiso ea inverter e ka hlaha. Sena se hloka tekanyo e nepahetseng ea hajoale esita le ka maqhubu a phahameng haholo ho feta a tloaelehileng a grid. Ho matlafatsa tšebelisano pakeng tsa bahlahisi ba li-inverter le bahlahisi ba li-sensor ho ka rala motheo oa ho nchafatsa theknoloji, ka hona ho boloka moeli oa tlholisano indastering ea letsatsi e ntseng e fetoha ka potlako.

Ka kakaretso, ho shebana le 'maraka o ntseng o hōla oa letsatsi, moralo oa li-inverters tsa photovoltaic ha oa lokela ho phehella katleho e phahameng feela empa hape o netefatsa polokeho e feletseng. Ka boqapi bo tsoelang pele ba theknoloji le tšebelisano e haufi ea indasteri, re ka lebella ho bona li-inverters tsa photovoltaic tse bohlale, tse tšepahalang le tse sebetsang hantle haholoanyane.