家用太陽能發電系統怎么樣
家用太陽能發電系統在安裝的(de)(de)時(shi)候所(suo)需(xu)要(yao)使(shi)用(yong)的(de)(de)硬(ying)件(jian)包含了(le)配電箱、光伏組件(jian)支架等,硬(ying)件(jian)的(de)(de)價格(ge)成本并(bing)不(bu)是特別便宜(yi),并(bing)且家(jia)庭安裝太(tai)陽(yang)能(neng)發(fa)電系(xi)(xi)統(tong)(tong)成本,除(chu)了(le)和(he)一(yi)些硬(ying)件(jian)設(she)備有較大的(de)(de)關(guan)系(xi)(xi),還(huan)和(he)太(tai)陽(yang)能(neng)發(fa)電系(xi)(xi)統(tong)(tong)的(de)(de)安裝容量有著較大的(de)(de)關(guan)系(xi)(xi)。一(yi)般來(lai)說平(ping)房屋頂每1000瓦需(xu)要(yao)安裝面積為10平(ping)方米。按(an)照(zhao)目(mu)前太(tai)陽(yang)能(neng)發(fa)電系(xi)(xi)統(tong)(tong)行(xing)業制定(ding)的(de)(de)價格(ge)標準(zhun)來(lai)計算,如果包含了(le)系(xi)(xi)統(tong)(tong)的(de)(de)安裝和(he)售后(hou)服務(wu)5千瓦需(xu)要(yao)投資35,000元人民(min)幣左(zuo)右,10千瓦需(xu)要(yao)投資7萬元人民(min)幣左(zuo)右。
說完(wan)了(le)家(jia)(jia)(jia)用(yong)(yong)(yong)太(tai)(tai)陽能(neng)(neng)(neng)發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)系統(tong)(tong)(tong)的(de)(de)(de)(de)(de)(de)成本之后,我們再來看一(yi)下該發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)系統(tong)(tong)(tong)的(de)(de)(de)(de)(de)(de)收(shou)益(yi)。家(jia)(jia)(jia)用(yong)(yong)(yong)太(tai)(tai)陽能(neng)(neng)(neng)發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)系統(tong)(tong)(tong)能(neng)(neng)(neng)夠(gou)并入我們中國(guo)國(guo)家(jia)(jia)(jia)電(dian)(dian)(dian)(dian)網(wang)(wang),而且(qie)可以(yi)領(ling)取相應(ying)的(de)(de)(de)(de)(de)(de)補貼。家(jia)(jia)(jia)用(yong)(yong)(yong)太(tai)(tai)陽能(neng)(neng)(neng)發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)系統(tong)(tong)(tong)并入中國(guo)國(guo)家(jia)(jia)(jia)電(dian)(dian)(dian)(dian)網(wang)(wang)模(mo)(mo)式(shi)(shi),可以(yi)分(fen)為自發(fa)(fa)(fa)自用(yong)(yong)(yong)余(yu)額(e)上網(wang)(wang)和全額(e)上網(wang)(wang)幾種(zhong)方式(shi)(shi),前(qian)兩(liang)種(zhong)方式(shi)(shi)指的(de)(de)(de)(de)(de)(de)是(shi)自己加裝(zhuang)安(an)裝(zhuang)的(de)(de)(de)(de)(de)(de)太(tai)(tai)陽能(neng)(neng)(neng)發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)系統(tong)(tong)(tong)發(fa)(fa)(fa)出的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)量(liang)自家(jia)(jia)(jia)使用(yong)(yong)(yong),用(yong)(yong)(yong)不完(wan)的(de)(de)(de)(de)(de)(de)賣(mai)給國(guo)家(jia)(jia)(jia)電(dian)(dian)(dian)(dian)網(wang)(wang),而且(qie)我們國(guo)家(jia)(jia)(jia)在目前(qian)對于這兩(liang)種(zhong)模(mo)(mo)式(shi)(shi)發(fa)(fa)(fa)出的(de)(de)(de)(de)(de)(de)每一(yi)度電(dian)(dian)(dian)(dian)都會給予3毛(mao)7的(de)(de)(de)(de)(de)(de)補貼,持(chi)續補貼20年(nian)。全額(e)上網(wang)(wang)模(mo)(mo)式(shi)(shi)指的(de)(de)(de)(de)(de)(de)是(shi)發(fa)(fa)(fa)出的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)量(liang)全部賣(mai)給國(guo)家(jia)(jia)(jia)電(dian)(dian)(dian)(dian)網(wang)(wang)價(jia)格(ge)為7毛(mao)5一(yi)度電(dian)(dian)(dian)(dian)。如果您家(jia)(jia)(jia)中安(an)裝(zhuang)了(le)家(jia)(jia)(jia)用(yong)(yong)(yong)太(tai)(tai)陽能(neng)(neng)(neng)發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)系統(tong)(tong)(tong),采用(yong)(yong)(yong)了(le)自發(fa)(fa)(fa)自用(yong)(yong)(yong)余(yu)額(e)上網(wang)(wang)的(de)(de)(de)(de)(de)(de)模(mo)(mo)式(shi)(shi),收(shou)回成本的(de)(de)(de)(de)(de)(de)時間為6.7年(nian),選擇全額(e)上網(wang)(wang)模(mo)(mo)式(shi)(shi),收(shou)回成本需(xu)要7.7年(nian)。
家用太陽能發電系統能帶空調嗎
家用太陽能發電根據配置,發電量有大有小。按照一般情況,太陽能發電可以帶空調但不(bu)能(neng)直(zhi)接供,要先用電(dian)(dian)(dian)瓶把電(dian)(dian)(dian)儲(chu)存越來(lai),再通過一(yi)個逆(ni)變器把直(zhi)流電(dian)(dian)(dian)變成交流電(dian)(dian)(dian),假如(ru)功率(lv)足夠大(da)是(shi)(shi)可以滴。如(ru)果(guo)用的是(shi)(shi)調(diao)頻空調(diao),電(dian)(dian)(dian)瓶組(zu)又有合適(shi)的電(dian)(dian)(dian)壓組(zu)合,可以不(bu)用逆(ni)變器,可以提(ti)高整(zheng)個電(dian)(dian)(dian)源的效率(lv)。但這樣要求(qiu)太(tai)陽(yang)能(neng)板足夠大(da),否則功率(lv)不(bu)夠就(jiu)帶(dai)不(bu)動。
太陽能發電帶動空調的實例
我們還(huan)是通過一(yi)個實例來了解一(yi)下太陽能發電如何(he)帶動空調(diao)的吧(ba)。
比如一個用戶有250瓦電池板四塊(kuai),100AH蓄電池四塊(kuai),2000瓦工頻(pin)純正(zheng)波逆變(bian)器一臺(tai),48V30A控制器一部,這(zhe)樣的搭配(pei)可以帶起(qi)1.5匹變(bian)頻(pin)空調嗎?
如(ru)果(guo)單從電(dian)功(gong)率(lv)的(de)(de)(de)角(jiao)度(du)計(ji)算是(shi)可(ke)(ke)以的(de)(de)(de)。因為1.5p的(de)(de)(de)空調(diao)(diao)的(de)(de)(de)電(dian)功(gong)率(lv)大也(ye)(ye)就1kw,用(yong)戶是(shi)2kw的(de)(de)(de)逆(ni)變器,因此(ci)可(ke)(ke)以給這(zhe)臺變頻空調(diao)(diao)供電(dian)。然后(hou)就是(shi)計(ji)算電(dian)能(neng)讓空調(diao)(diao)運行多久了。用(yong)戶的(de)(de)(de)4塊太陽能(neng)電(dian)池(chi)板按照一天5小時的(de)(de)(de)有效光照,可(ke)(ke)以發電(dian)5kwh,就是(shi)5度(du)電(dian),4塊蓄電(dian)池(chi)是(shi)100Ah,那么(me)多也(ye)(ye)只(zhi)能(neng)存放(fang)5度(du)電(dian)。也(ye)(ye)就是(shi)說,只(zhi)要用(yong)戶的(de)(de)(de)空調(diao)(diao)一天耗電(dian)量(liang)不超(chao)過5度(du)電(dian)就可(ke)(ke)以了。
再按另一個角度來考慮一下。變頻空調如果是在房間里,空間不大,隔熱保溫好,所以如果是夏天,設定的溫度就不要太低。如果變頻空調工作時的功率一直保持不高于400w,那么5度電可以讓空調運行12個小時,如果空調滿負荷運行,才能工作5個小時。因此建議可以再增大太陽能電池板的數量(liang),少要增加到6塊(kuai)或(huo)者(zhe)8塊(kuai)。因為上邊全是理論(lun)計算,實際上存在轉換率的問題,而且如果太(tai)陽照射的時(shi)候熱,太(tai)陽能(neng)(neng)發的電(dian)(dian)剛好被空調用完,等(deng)太(tai)陽光(guang)照不強時(shi),空調就(jiu)不能(neng)(neng)運轉了,此時(shi)蓄電(dian)(dian)池電(dian)(dian)量(liang)幾乎為0。
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