Plaub - quadrrant readrant reactive fais fab kev tswj thiab kev sib txuas rau cov tshuab photovoltaic

Xyoo tsis ntev los no, vim yog Tebchaws Hauv Tebchaws Kev Txhawb Nqa ntawm kev txhim kho lub zog huv photovoltaic tau nce xyoo dhau los, ua tiav cov txiaj ntsig zoo thiab muaj txiaj ntsig zoo thiab muaj txiaj ntsig zoo. Txawm li cas los xij, ntau yam teeb meem tshwm sim tom qab photovoltaic lub zog tau txuas nrog daim phiaj kuj tau dhau los ua qhov tseem ceeb, ntawm cov khoom siv hluav taws xob cuam tshuam yog ib qho ntawm lawv. Yog li no, ntau cov tuam ntxhab tau tsim plaub - quadrant reader cov cuab yeej tswj hwm tom qab phobovoltaic sib txuas.

Txawm li cas los xij, vim nws yog cov khoom siv hluav taws xob, ntau cov neeg siv tsis meej txog yuav ua li cas txuas rau lub suab - quadrrant cov hluav taws xob muaj zog controller rau lub photovoltaic. Tom ntej no, peb yuav qhia qee cov kev daws yooj yim.

I. Kev sib txuas ntawm lub tsev

Plaub - quadrant readgation core ntawm lub photovoltaic maub los, kom tus}}}}} zis wiring txoj kev:

1. Grid -} sab kev twb kev txuas:

Kev sib txuas taw tes: Ac zis tawm davhlau sijs ntawm lub photovoltaic inverter
Voltage sampling: 1000V / 100V voltage transformer (qhov tseeb 0.5 chav kawm)
Kev Ntsuas Tam Sim No: 200a / 5A kaw - lub voj loos hall sensor (bandwidth loj dua los yog sib npaug zos rau 5kHz)

2. Photovoltaic sab interface:

Kev sib txuas lus: RS485 kev sib txuas rau inverter (modbus RTU raws tu qauv)
Synchronization teeb liab: Siv cov tawv tawv - wired mem tes synchonization (yuam kev <100 μs)
Txwv tsis pub muaj hwj chim: Tau txais tiag - lub sij hawm cov zis teeb liab los ntawm inverter (4-20mA)

Ii. Ntsiab lus tseem ceeb

1. Lub circuit Court tseem ceeb:

Cable Specification: Tooj core core loj dua los yog sib npaug rau 35mm² (suav cov khoom tam sim no yog 1.5 zaug lub thauj khoom tam sim no)
Kev tiv thaiv configuration: Fuse: GG hom qeeb - tshuab tshuab (breaking muaj peev xwm 50 teev); Circuit Court Breaker: Sib Nqus Mus Ncig Tus Nqi 12IN ± 20%.

2. Tswj Voj Tsim:

Voltage sampling: Hnub qub kev twb kev txuas (nruab nrab point aved los ntawm 100 leej resistor)
Tam sim no kev kuaj xyuas: ob {{-} theem cT + software xam (txuag ib daim ct)
Anti - backflow Nrhiav tau: installation tiv thaiv rov qab (lub sijhawm ua haujlwm <80ms)

III. Cov ntaub qhwv kab ntaub ntawv