Die Son. Die Son is n ster. Bron van energie in son lê in kern. Hierdie energie word primêr vrygestel as elektromagnetiese straling
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1 Sonenergie
2 Die Son Die Son is n ster Bron van energie in son lê in kern Sonkern Korona Fotosfeer Sonwimpels Hierdie energie word primêr vrygestel as elektromagnetiese straling Ons ervaar hierdie straling in die vorm van warmte en lig
3 Hoe kragtig is die son se strale? Elke uur bereik genoeg sonligenergie die aarde om vir n hele jaar aan die hele wêreld se energiebehoeftes te voldoen Suid-Afrika was die plek met die hoogste son-insolasie in die wêreld, maar Chili is nou die warmste plek Suid-Afrika het die perfekte klimaat vir sonenergie
4 . Gebruike vir sonenergie Drie hoofgebruike: Waterverhitting Termiese sonkragstasies Fotovoltaïese panele
5 Glasbedekte raamwerk Reeks koperbuise binne-in gekoppel aan plaatmetaalabsorbeerder Platplaat-sonpaneel Sonwaterverhitter - Absorbeerder bedek met swart afwerking ontwerp om sonstrale op te vang Strale verhit water, wat van opvanger sirkuleer na geïsoleerde tenk Waterpype
6 Vakuumbuisstelsel Vakuumglasbuise bedek met n absorberende stof versamel die stralingsenergie van die son Absorberende lagie rondom binneste buis absorbeer sonstrale en verhit vloeistof binne-in koperpyp Verdere stralingsenergie word geabsorbeer a.g.v. weerkaatsende paneel agter buise Doeltreffend ongeag die invalshoek van die son selfs op n bewolkte dag Sonenergie geabsorbeer deur hittepyp binne buis Swart Absorpsie binnelaag Sentrerings- Hitteoordragvinne Dubbelwandvakuuminsulasiebuis Sentreringsbuisstopprop Hittepypkondensor
7 Waterverhitting Indirekte sisteem: gebruik hitteoordrag-vloeistof wat hitte oordra van sonkragopvanger na water in die opgaartenk Direkte sisteem: water word direk verhit Water op twee maniere gesirkuleer: Aktiewe sisteem: pompe beweeg verhitte water van opvanger na opgaartenk Passiewe sisteem: Geen pomp - termosifon
8 Termiese Gekonsentreerdesonkrag-stasies Gekonsentreerde sonenergie Word gebruik in gekonsentreerde termiese sonkragstasies Absorbeerderbuis reflektor Absorbeerderbuis reflektor Sonenergie word Straling vanaf die son Weerkaatste straling gekonsentreer op n punt of lyn: a. Paraboliese trog b. Fresnel absorbeerder c. Paraboliese skottel d. Sentrale ontvanger reflektor reflektor
9 Termiese Gekonsentreerdesonkrag-stasies Sonenergie (hitte) omgesit in elektrisiteit By n termiese sonkragstasie word sonenergie (hitte) omgeskakel na elektrisiteit Stoomkondensator Temperatuur van gekonsentreerde sonenergie is hoog genoeg om stoom te produseer Generator Elektrisiteit Termiese Opgaartenks Ontvanger Stoom word gebruik om n stoomturbine aan te dryf en die turbine draai n elektriese generator Turbine Paraboliese Trog Ref: Thinkprogress.org
10 Termiese Gekonsentreerdesonkrag-stasies Sentrale Khi Solar Ontvanger One Khi 50MW Solar one Upington Paraboliese Skottel Paraboliese Trog Kaxu Solar One Upington Khi Solar One Upington Paraboliese Trog Solana Arizona Fresnel Sentrale Ontvanger Helio100 Mariendahl
11 Termiese Gekonsentreerdesonkrag-stasies Termiese Gekonsentreerdesonkrag-stasies in SA Hernubare Energie Onafhanklike Kragprodusent Verkrygingsprogram (ook bekend as REIPPPP of Renewable Energy Independent Power Producer Procurement Programme) 2016: 4 voltooide bodrondes in REIPPPPproses en oprigting van hernubareenergiekragstasies in SA het begin Khi Solar One 50 MW Upington Sentrale Ontvanger Termiese Gekonsentreerde Sonkrag Bodrondes Kapasiteit toegeken (MW) Ronde Ronde Ronde Ronde Ronde Totaal 600 MW 7 Aantal Projekte KaXu Solar One 100 MW Upington ParabolieseTrog
12 Fotovoltaïese Effek Sonligenergie omgeskakel na elektriese energie by wyse van sonselle = fotovoltaïese effek Fotovoltaïese paneel bestaan uit n groep sonselle Sonselle word hoofsaaklik gemaak van silikon, wat n halfgeleier is
13 Sonenergie (lig) omgesit in elektrisiteit Fotovoltaïese panele bestaan uit halfgeleiers Fotovoltaïese selle het twee tipes halfgeleiers: een positief gelaai en ander negatief gelaai koppelvlak Sodra lig op halfgeleier val, veroorsaak die elektriese veld oor die koppelvlak tussen hierdie twee lae n elektriese stroom Hoe groter intensiteit van lig, hoe groter die vloei van elektrisiteit holte-vloei
14 Kleinskaalse Fotovoltaïese Sisteme Alibaba.com Klein fotovoltaïese sisteme kan elektrisiteit vir huishoudings en besighede verskaf Alle huishoudelike apparate kan deur hierdie sonkrag-elektrisiteit aangedryf word Indien meer elektrisiteit gegenereer word as nodig, kan: o o Batterye gebruik word vir berging Die surplus in die kragnetwerk teruggevoer word Lourensford Wynlandgoed
15 Black River Park Kaapstad 1.2 MW Son PV Kaapstad Solar Turtle Universiteit Stellenbosch Ref: solar23.com Vrede en Lust Wynplaas
16 Fotovoltaïese Sonkragstasies in SA Hernubare Energie Onafhanklike Kragprodusent Verkrygingsprogram (ook bekend as REIPPPP of Renewable Energy Independent Power Producer Procurement Programme) 2016: 4 voltooide bodrondes in die REIPPPP-proses en oprigting van hernubare-energie-kragstasies in SA het begin Fotovoltaïese Energie Fotovoltaïes Letsedi 64 MW CPV 36 MW Touwsrivier Bodrondes Kapasiteit toegeken Ronde Ronde Ronde Ronde Totaal MW 39 Aantal Projekte Droogfontein Fotovoltaïes 50 MW Kimberley
17 Konkoonsies 10 MW Pofadder Kalkbult 75 MW De Aar Sishen Sonplaas 74 MW De Aar 50 MW Touwsrivier CPV 36MW Jasper Sonplaas Postmasburg 75 MW Fotovoltaïese Sonskragstasie
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