Dab tsi yog qhov txawv ntawm qhov nruab nrab photovoltaic systems thiab cov tshuab photovoltaic faib?

Nrog rau kev siv lub zog huv huv thoob ntiaj teb, cov tshuab hluav taws xob photovoltaic (PV) yog nyob rau hauv pem hauv ntej. Tam sim no, muaj ob lub qauv xa tawm tseem ceeb: cov tshuab hluav taws xob hauv nruab nrab thiab cov tshuab hluav taws xob faib hluav taws xob (PV). Kab lus no yuav sib piv thiab txheeb xyuas qhov sib txawv thiab qhov zoo ntawm ob lub tshuab no raws li cov ntaub ntawv tshiab thiab cov qauv thoob ntiaj teb.

1. Txhais thiab Nplai

Centralized PV systems yog cov kev teeb tsa loj nyob rau hauv thaj chaw deb xws li cov suab puam lossis cov chaw pov tseg, qhov chaw hnub ci muaj ntau thiab cov nqi av tsawg, nrog cov peev txheej nruab nrab ntawm kaum rau ntau pua megawatts.

Distributed PV systems yog nruab nrab mus rau me me kev teeb tsa feem ntau nyob ze ntawm cov chaw thauj khoom, xws li lub ru tsev, cov chaw tsim khoom, lossis cov tsev khaws khoom, nrog cov peev txheej uas feem ntau yog li ntawm kilowatts txog megawatts.

2. Daim phiaj kev sib txuas thiab kis nrug deb  

Distributed PV systems yog interconnected los ntawm tsawg-voltage los yog nruab nrab-voltage tis tes hauj lwm, ua kom lub zog siv hauv zos nrog tsawg kis tau tus mob.

Centralized PV systems yog txuas nrog high-voltage kis tau tus mob tes hauj lwm, kis lub hwj chim nyob rau hauv ntev kev deb nrog ntau dua kis tau tus mob.

3. Kev nqis peev, kev tsim kho, thiab kev saib xyuas  

Distributed PV systems muab cov txiaj ntsig zoo xws li kev nqis peev qis qis, lub sijhawm them rov qab luv, kev xa tawm yooj yim, thiab kev saib xyuas yooj yim, thiab tuaj yeem tswj hwm los ntawm cov neeg siv khoom kawg lossis cov chaw muab kev pabcuam.

Centralized PV systems xav tau kev nqis peev tseem ceeb thiab cov txheej txheem nyuaj (substations, inverter chav, switchgear, thiab lwm yam), nrog rau kev tswj hwm kev xav tau siab dua.

4. Energy Efficiency thiab Grid Support

Distributed PV txhawb kev noj tam sim hauv zos, txo cov kev sib kis pov tseg thiab txhim kho kev siv hluav taws xob.

Centralized PV leverages kev lag luam ntawm nplai thiab kev tswj hwm muaj peev xwm ua tau zoo dua los txhawb kev tswj hwm hluav taws xob reactive thiab kev tswj xyuas kab sib chaws.

5. Kev Sib Tw Txuj Ci thiab Daim phiaj cuam tshuam

Kev faib tawm PV ntsib cov teeb meem xws li thim rov qab lub zog ntws, hloov pauv cov zis tawm sai, thiab teeb meem kev ruaj ntseg, yuav tsum tau txhim kho kab hluav taws xob tswj.

Centralized PV ntsib cov nqi kis tau tus mob siab, kev sib kis mus ntev, thiab cov kev xav tau kev sib txuas ntawm cov kab sib txuas, suav nrog kev muaj peev xwm qis-voltage-los ntawm (LVRT).

6. Ntiaj teb no Deployment Trends  

Raws li xyoo 2023, Australia qhov kev faib PV nruab muaj peev xwm (kwv yees li 23,169 megawatts) deb tshaj qhov nruab nrab ntawm PV (kwv yees li 11,016 megawatts), qhia txog kev loj hlob ntawm kev faib tiam.

Hauv tebchaws Brazil, txog rau thaum xaus ntawm 2022, tag nrho lub peev xwm ntawm lub hnub ci PV yog kwv yees li 27 gigawatts, nrog rau kev faib PV suav txog kwv yees li 18.8 gigawatts thiab centralized PV accounting rau kwv yees li 8.2 gigawatts.

Nyob rau hauv cov ntsiab lus, centralized PV systems thiab faib PV systems txhua tus muaj lawv tus kheej zoo thiab kev txwv. Cov qauv hauv nruab nrab ua tau zoo hauv kev tswj hwm loj hauv nruab nrab thiab kev them nyiaj yug kab sib chaws, thaum lub tshuab xa tawm muaj kev hloov pauv yooj yim, kev ua haujlwm siab hauv zos, thiab rov qab sai. Lub luag haujlwm ntxiv ntawm ob qho tib si yuav sib sau ua ke tsav lub ntiaj teb kev hloov pauv mus rau qhov muaj zog, huv si yav tom ntej.