Izicelo ze-Photovoltaic ezingaphezulu zingena empilweni, Ama-Photovoltaic amandla okuphehla ama-Power Generation Systems afakiwe noma aseduzane aya ngokuya evame kakhulu. Qhathanisa nezinye izinhlobo, Imvelo yokufaka yeziteshi zamandla ezisatshalaliswa ekhaya iyinkimbinkimbi ngokwengeziwe. Ngaphezu kokuphishekela ukusebenza kahle kohlelo nokuqina, Izinkinga zokuphepha zigcine zidonsele ukunakwa ngokwanele emakethe.

Ngokwethulwa kokufinyelela kokuphepha kanye nokucaciswa kobuchwepheshe kwemikhiqizo ye-Photovoltaic eChina, I-Asia nezinye izindawo, ukuphepha sekuyisivumelwano sawo wonke imboni.

I-BWITT izokwethula indlela ebalulekile yabantu abangena ngaphakathi ukuze baqinisekise ukuphepha kohlelo. Njengomgogodla wohlelo lwe-Photovoltaic, Lapho kwenzeka isimo esingajwayelekile, Uma opharetha wesistimu bevala ukuvala i-inverter ngokhiye owodwa, I-Inverter izomisa ukuphuma kwamandla futhi inqamule ukuxhumana kugridi ukuze kuqinisekiswe uhlelo lwe-Photovoltaic. Kuphephile futhi kugcinwe ukuqina kwegridi yamandla.

Isisekelo esiyisisekelo sokuvalwa okukude okukodwa
Ama-Photovoltaic amandla okuphehla ama-Power Generations ngokuvamile aqukethe amamojula we-solar photovoltaic, I-Photovoltaic Inverters, amabhokisi okusabalalisa, kanye nokuqapha ukusebenza kanye namapulatifomu wokugcina. I-Inverter iyingxenye ebaluleke kakhulu yohlelo lwe-Photovoltaic. Kwenza imisebenzi ebalulekile yohlelo, kufaka phakathi umsebenzi wokuphehla amandla wegridi kanye nomsebenzi wokuqapha idatha yokuqapha. Kafushane, Umsebenzi wokuvala okukude okukodwa utholakala ngokungeza umjikelezo ohambelana nawo ngaphakathi kwe-inverter nokufaka i-switch yesiginali egumbini lokulawula eliphambili.

Ukuqashelwa komsebenzi wokuvala okukude okukodwa kudinga ukugcwaliseka okuhlanganisiwe kwezingxenye ezintathu: Shintsha Ukulawula, Ukuxhumana okukude nokulawulwa kwesiginali ngaphakathi kwe-inverter.

1. Shintsha Ukulawula. Ukushintshwa kokulawula kufakiwe egumbini lokulawula kude, okuvame ukutholakala esitezi sokuqala sesakhiwo. Lapho uhlangabezana nokuphazamiseka kohlelo noma izimo eziphuthumayo, U-opharetha angathumela isibonakaliso esikude sokuvala ngokucindezela ukushintshwa kokulawula. Ukushintshwa kokulawula kungaba ukushintshwa okujwayelekile okuphuthumayo okuphuthumayo emakethe.

2. Ukuxhumana okukude. Isiginali yokuvala okukude idluliselwa ngesiteshi esinentambo, kanye nekhebula lokuxhumana elinjenge-RS485 lingasetshenziswa ukuxhuma i-inverter kanye nokushintshwa kokuma eziphuthumayo. Endabeni yabakwa-Inverters Multiple, Intambo yezokuxhumana edlulisa isiginali yokuvala okukude ingaxhunywa ngesandla, okufana nendlela yokuxhumana yekhebula le-RS485. Lapho opharetha ecindezela i-Emergency Stop switch, Isiginali yokuvala okukude ingathunyelwa kuma-inverters amaningi ngokufana ngasikhathi sinye, ukuze ama-inverterter amaningi angamisa ukuxhumana kwegridi nokukhipha amandla.

3. Ukulawulwa kwesiginali. Umjikelezo ohambelana ohambelana ngaphakathi kwe-inverter angathola isinali esiteji esikude futhi adlulise isibonakaliso kwi-arverller DSP uku-oda i-inverter ukumisa okukhipha amandla futhi unqamule kusuka kugridi. Njengoba kungekho okuphumayo ohlangothini lwe-ac, Imodyuli ye-inverter ye-inverter kanye nemodyuli yokufaka yokufaka i-DC izoyeka ukusebenza, kanye nokufakwa kwamandla ohlangothini lwe-DC kucishe kube ngu-zero.

Isiginali yokuvala okukude okukodwa ingafinyelela ukulawulwa kokuvalwa kwe-millocond, ezingabona imisebenzi yokuvikela i-inverter nokugcina ukuqina kwegridi, futhi futhi ungabona ukulawulwa okuguquguqukayo kokukhishwa kwamandla okungenziwa yi-Inverter. Okwama-Inverters anomsebenzi wokuvala okukude okukodwa, Ngeke sikwazi ukubona kuphela inhloso yokuvalwa okukude okukude, leyo, dlala indima yokuvikelwa kokuphepha, kodwa futhi uyawubona umsebenzi wokulawula ukude nokukhishwa kwamandla kwe-inverter.

Lokhu okungenhla kuyincazelo yokuqapha okukude kwe-BWITT. Ukuhlinzekwa kwamandla kwe-Inverter's Inverter kusekelwa izimele ezizimele nge-RS485 kanye ne-RS232 zokuxhumana, isekela imisebenzi yezemininingwane yesikhathi sangempela, futhi ingasebenzisa isoftware yekhompyutha ukuqapha nokuphatha izimo zokusebenza ze-inverter ngesikhathi sangempela (Ukucushwa Okujwayelekile).