太(tai)(tai)陽能逆(ni)(ni)變(bian)器(qi)(qi)(qi)中(zhong)(zhong)的(de)(de)太(tai)(tai)陽能系統主(zhu)要由電(dian)(dian)(dian)(dian)池(chi)板，充電(dian)(dian)(dian)(dian)控制器(qi)(qi)(qi)，逆(ni)(ni)變(bian)器(qi)(qi)(qi)和(he)電(dian)(dian)(dian)(dian)池(chi)組成(cheng)。太(tai)(tai)陽能逆(ni)(ni)變(bian)器(qi)(qi)(qi)可以分為(wei)(wei)(wei)：備用電(dian)(dian)(dian)(dian)池(chi)逆(ni)(ni)變(bian)器(qi)(qi)(qi)（Batterybackupinverters）是一(yi)種特(te)殊的(de)(de)逆(ni)(ni)變(bian)器(qi)(qi)(qi)，由電(dian)(dian)(dian)(dian)池(chi)作(zuo)為(wei)(wei)(wei)其(qi)電(dian)(dian)(dian)(dian)源，配合(he)其(qi)中(zhong)(zhong)的(de)(de)電(dian)(dian)(dian)(dian)池(chi)充電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)為(wei)(wei)(wei)電(dian)(dian)(dian)(dian)池(chi)充電(dian)(dian)(dian)(dian)，若(ruo)有過多的(de)(de)電(dian)(dian)(dian)(dian)力，會回灌到交流(liu)(liu)電(dian)(dian)(dian)(dian)源端。一(yi)般光伏逆(ni)(ni)變(bian)器(qi)(qi)(qi)產品都(dou)給出了當(dang)直流(liu)(liu)輸入(ru)電(dian)(dian)(dian)(dian)壓(ya)在允(yun)許波(bo)動范(fan)圍變(bian)動時，該光伏逆(ni)(ni)變(bian)器(qi)(qi)(qi)輸出電(dian)(dian)(dian)(dian)壓(ya)的(de)(de)波(bo)動偏(pian)差的(de)(de)百分率(lv)，通常稱為(wei)(wei)(wei)電(dian)(dian)(dian)(dian)壓(ya)調整率(lv)。

光(guang)伏(fu)(fu)逆(ni)變(bian)器(qi)配置選型有哪些？輸出(chu)(chu)電(dian)(dian)(dian)壓(ya)的(de)調(diao)整(zheng)性能輸出(chu)(chu)電(dian)(dian)(dian)壓(ya)的(de)調(diao)整(zheng)性能表示光(guang)伏(fu)(fu)逆(ni)變(bian)器(qi)輸出(chu)(chu)電(dian)(dian)(dian)壓(ya)的(de)穩壓(ya)能力(li)。一般光(guang)伏(fu)(fu)逆(ni)變(bian)器(qi)產品(pin)都給出(chu)(chu)了當(dang)直流輸入電(dian)(dian)(dian)壓(ya)在允許波動范圍(wei)變(bian)動時，該光(guang)伏(fu)(fu)逆(ni)變(bian)器(qi)輸出(chu)(chu)電(dian)(dian)(dian)壓(ya)的(de)波動偏(pian)差的(de)百分率(lv)，通(tong)常稱(cheng)(cheng)為電(dian)(dian)(dian)壓(ya)調(diao)整(zheng)率(lv)。的(de)光(guang)伏(fu)(fu)逆(ni)變(bian)器(qi)應同時給出(chu)(chu)當(dang)負載(zai)由(you)零向100%變(bian)化(hua)時，安(an)徽逆(ni)變(bian)器(qi)，該光(guang)伏(fu)(fu)逆(ni)變(bian)器(qi)輸出(chu)(chu)電(dian)(dian)(dian)壓(ya)的(de)偏(pian)差百分率(lv)，光(guang)伏(fu)(fu)電(dian)(dian)(dian)站逆(ni)變(bian)器(qi)，通(tong)常稱(cheng)(cheng)為負載(zai)調(diao)整(zheng)率(lv)。性能優良(liang)的(de)光(guang)伏(fu)(fu)逆(ni)變(bian)器(qi)的(de)電(dian)(dian)(dian)壓(ya)調(diao)整(zheng)率(lv)應小于等于±3%，負載(zai)調(diao)整(zheng)率(lv)就小于等于±6%。

光伏逆(ni)變(bian)(bian)(bian)(bian)器(qi)應同(tong)時(shi)給出當負(fu)載由(you)零向100%變(bian)(bian)(bian)(bian)化時(shi)，該光伏逆(ni)變(bian)(bian)(bian)(bian)器(qi)輸出電(dian)壓的偏差(cha)百分率，通常稱為(wei)負(fu)載調整率。太陽能(neng)(neng)泵(beng)變(bian)(bian)(bian)(bian)頻器(qi)一般(ban)會(hui)(hui)(hui)有(you)數(shu)個接(jie)口，可(ke)以(yi)允許太陽能(neng)(neng)模組(zu)陣列提供(gong)直(zhi)流(liu)電(dian)流(liu)，會(hui)(hui)(hui)有(you)一個接(jie)口輸出交(jiao)流(liu)電(dian)壓，逆(ni)變(bian)(bian)(bian)(bian)器(qi)公司，也可(ke)能(neng)(neng)會(hui)(hui)(hui)有(you)接(jie)水(shui)位(wei)感測(ce)器(qi)輸入的接(jie)口。以(yi)往對于無變(bian)(bian)(bian)(bian)壓器(qi)，光伏逆(ni)變(bian)(bian)(bian)(bian)器(qi)價格，又要供(gong)電(dian)到電(dian)網的系統(tong)會(hui)(hui)(hui)有(you)一些疑慮，主要是因為(wei)在直(zhi)流(liu)電(dian)路和交(jiao)流(liu)電(dian)路之間沒有(you)電(dian)隔離（galvanicisolation），若直(zhi)流(liu)端(duan)故障，會(hui)(hui)(hui)有(you)大電(dian)流(liu)流(liu)到交(jiao)流(liu)端(duan)。