Ho Utloisisa Sistimi ea PV ea Grid-Tied: Karolo ea Li-Inverters le Lithapo ho Thibela Sehlekehlekeng

1. Islanding Phenomenon in Grid-Tied PV Systems ke eng?

Tlhaloso

Ketsahalo ea sehlekehlekeng e etsahala lits'ebetsong tsa grid-tied photovoltaic (PV) ha marang-rang a haelloa ke motlakase, empa sistimi ea PV e ntse e tsoela pele ho fana ka matla ho mejaro e hokahantsoeng. Sena se theha "sehlekehleke" sa sebaka sa tlhahiso ea matla.

Likotsi tsa Islanding

• Likotsi Tsa Tšireletseho: Kotsi ho basebetsi ba utility ba lokisa marang-rang.
• Tšenyo ea Lisebelisoa: Lisebelisoa tsa motlakase li ka 'na tsa se sebetse ka lebaka la motlakase o sa tsitsang le maqhubu.
• Grid Ho se tsitse: Lihlekehleke tse sa laoleheng li ka senya ts'ebetso e lumellanang ea grid e kholoanyane.

2. Lintlha tsa Bohlokoa le Li-Parameters tsa Li-inverters tse Loketseng

Lintlha tsa bohlokoa tsa li-inverters

1. Tšireletso e Khahlanong le Lihlekehleke: E sebelisa mekhoa e sebetsang le e sa sebetseng ea ho lemoha ho koala hang-hang nakong ea ho hloleha ha gridi.
2. MPPT e Sebetsang (Tsamaiso e Phahameng ea Matla a Matla): E eketsa phetolo ea matla ho tsoa ho liphanele tsa PV.
3. Phatlalatso e Phahameng ea Phetoho: Ka tloaelo>95% ho fokotsa tahlehelo ea matla.
4. Puisano e Bohlale: E tšehetsa liprothokholo tse kang RS485, Wi-Fi, kapa Ethernet bakeng sa ho beha leihlo.
5. Tsamaiso ea Remote: E lumella ho beha leihlo le taolo ea sistimi u le hole.

Lintlha tsa bohlokoa tsa Tekheniki

Lethathamo la Papiso

3. Khokahano Pakeng Tsa Khetho ea Cable ea PV le Thibelo ea Sehlekehleke

Bohlokoa ba Lithapo tsa PV

Lithapo tsa PV tsa boleng bo holimo li phetha karolo ea bohlokoa ho boloka botsitso ba tsamaiso le ho netefatsa ho lemoha ka nepo maemo a marang-rang, e leng ntho ea bohlokoa bakeng sa mekhoa e khahlanong le lihlekehleke.

1. Phetiso ea Matla a Matla: E fokotsa ho theoha ha motlakase le tahlehelo ea matla, ho netefatsa phallo e tsitsitseng ea matla ho inverter.
2. Ho Nepaha ha Letšoao: E fokotsa lerata la motlakase le liphapano tsa ho sitisa, ho ntlafatsa bokhoni ba inverter ho bona liphoso tsa grid.
3. Ho tšoarella: E netefatsa ho ts'epahala ha nako e telele maemong a fapaneng a tikoloho, ho boloka ts'ebetso e tsitsitseng.

4. E khothalelitsoeLik'habole tsa PV bakeng sa Sistimi e Kenyellelitsoeng Grid

Likhetho tse holimo tsa PV Cable

1. EN H1Z2Z2-K
   • Likaroloana: Mosi o tlaase, o se nang halogen, ho hanyetsa boemo ba leholimo bo phahameng.
   • Ho latela melao: E kopana le litekanyetso tsa IEC 62930.
   • Lisebelisoa: Sistimi ea PV e kentsoeng fatše le marulelong.
2. TUV PV1-F
   • Likaroloana: Ho hanyetsa mocheso o babatsehang (-40 ° C ho + 90 ° C).
   • Ho latela melao: Setifikeiti sa TÜV bakeng sa litekanyetso tse phahameng tsa polokeho.
   • Lisebelisoa: Litsamaiso tsa PV tse ajoang le agrivoltaics.
3. Lithapo tsa PV tse hlometseng
   • Likaroloana: Tšireletso e matlafalitsoeng ea mochine le ho tšoarella nako e telele.
   • Ho latela melao: E kopana le litekanyetso tsa IEC 62930 le EN 60228.
   • Lisebelisoa: Litsamaiso tsa PV tsa indasteri le maemo a thata.

Letlapa la Papiso ea Parameter

Danyang Winpower Wire le Cable Mfg Co., Ltd.

Moetsi oa lisebelisoa tsa motlakase le lisebelisoa, lihlahisoa tsa mantlha li kenyelletsa likhoele tsa motlakase, lithapo tsa likhoele le likhokahanyo tsa elektroniki. E sebelisoa ho litsamaiso tse bohlale tsa lapeng, sistimi ea photovoltaic, litsamaiso tsa polokelo ea matla, le litsamaiso tsa likoloi tsa motlakase

Qetello le Likhothaletso

• Ho utloisisa Islanding: Ho lula lihlekehlekeng ho baka likotsi tse kholo polokehong, lisebelisoa le botsitso ba marang-rang, e leng se hlokang mehato e sebetsang ea thibelo.
• Ho khetha Inverter e nepahetseng: Khetha li-inverters tse nang le tšireletso e khahlanong le sehlekehleke, ts'ebetso e phahameng, le bokhoni bo matla ba puisano.
• Ho Beha Pele Lithapo Tsa Boleng: Khetha lithapo tsa PV tse nang le nako e telele, e fokolang, le ts'ebetso e tšepahalang ho netefatsa botsitso ba sistimi.
• Tlhokomelo ea Kamehla: Litlhahlobo tsa nako le nako tsa sistimi ea PV, ho kenyeletsoa li-inverters le likhoele, li bohlokoa bakeng sa ts'epo ea nako e telele.

Ka ho khetha ka hloko likarolo tse nepahetseng le ho boloka sistimi, lisebelisoa tsa PV tse tlamelletsoeng ka grid li ka fihlela ts'ebetso e nepahetseng le polokeho ha li ntse li latela litekanyetso tsa indasteri.