Lub hauv paus chiv keeb ntawm photovoltaic
Txij li thaum tus kws tshawb fawb Fab Kis E. Becquerel nrhiav pom cov nyhuv photovoltaic ntawm cov kua (hu ua photovoltaic phenomenon) nyob rau xyoo 1839, lub hnub ci hlwb tau dhau los ntawm keeb kwm kev loj hlob ntev ntawm ntau tshaj 180 xyoo.
Lub hauv paus ntsiab lus ntawm photovoltaic system
Solar photovoltaic system is divided into photothermal power generation and photovoltaic power generation. Generally speaking, solar power generation refers to solar photovoltaic power generation, referred to as "photoelectric".
Kev tsim hluav taws xob photovoltaic yog cov thev naus laus zis uas ncaj qha hloov lub teeb lub zog rau hauv hluav taws xob hluav taws xob los ntawm kev siv cov nyhuv photovoltaic ntawm lub semiconductor interface. Lub ntsiab tseem ceeb ntawm lub tshuab no yog lub hnub ci cell.
Tom qab lub hnub ci hluav taws xob txuas nrog cov koob, lawv tuaj yeem raug ntim thiab tiv thaiv los ua ib qho loj - thaj tsam hnub ci cell module, thiab tom qab ntawd ua ke nrog cov tswj fais fab thiab lwm yam khoom siv los tsim lub tshuab hluav taws xob photovoltaic.
Cov khoom tseem ceeb ntawm photovoltaic system
Muaj peb yam tseem ceeb ntawm kev tsim hluav taws xob photovoltaic:
1. Photovoltaic modules: nqus lub teeb lub zog thiab hloov mus rau hauv hluav taws xob hluav taws xob;
2. Photovoltaic inverter: converts ncaj qha tam sim no generated los ntawm cov khoom rau alternating tam sim no;
3. Photovoltaic combiner lub thawv: Txuas DC cables ntawm lub hnub ci cell modules nyob rau hauv series, thiab ces muab lawv, thiab muaj lub luag hauj lwm ntawm xob laim tiv thaiv thiab siab -voltage fuse tiv thaiv;
Lub hnub ci ntsa iab ntawm photovoltaic modules, thiab qhov ncaj qha tam sim no tsim nyob rau hauv txhua txoj hlua photovoltaic vim tias cov nyhuv photovoltaic converges ntawm sab ntawm lub thawv sib txuas, thiab tom qab ntawd raug xa tawm los ntawm lub thawv sib txuas mus rau photovoltaic inverter, thiab cov hluav taws xob ncaj qha yog inverted. los ntawm photovoltaic inverter kom tau raws li cov kev xav tau ntawm kev siv hauv tsev. Hluav taws xob 220V lossis 380V AC.
The alternating current formed by the inverter is connected to the household load in the distribution box of the household itself through the metering meter, and the excess electricity that is not used up in real time will be transmitted to the national grid through the two-way metering meter.
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