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若何请求屋顶散布式光伏发电

  • 宣布日期:2015-12-16 12:54:37
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户用(yong)光伏体系(xi)以下(xia)图(tu)所(suo)示,通俗包罗①电(dian)池组(zu)件、②线缆、③并(bing)网(wang)逆(ni)变器、④并(bing)网(wang)开关箱、⑤计量仪表(biao)。可是对(dui)泛博的(de)通俗来讲若(ruo)何来打造(zao)一个合适本身的(de)布(bu)式光伏并(bing)网(wang)发电(dian)体系(xi)呢(ni)?

1. 若何请求制(zhi)作本(ben)身家用的光伏体系

国(guo)度电(dian)(dian)(dian)网许(xu)诺(nuo):国(guo)度电(dian)(dian)(dian)网将为散布式(shi)光(guang)(guang)伏发(fa)(fa)电(dian)(dian)(dian)名(ming)目(mu)业(ye)主供给接入(ru)体系(xi)计划(hua)拟(ni)定(ding)、电(dian)(dian)(dian)能计量装(zhuang)(zhuang)配(pei)装(zhuang)(zhuang)配(pei)、并网验收和调试等全进(jin)程(cheng)办事;撑持(chi)散布式(shi)光(guang)(guang)伏发(fa)(fa)电(dian)(dian)(dian)分离接入(ru)高压配(pei)电(dian)(dian)(dian)网,根据国(guo)度政策全额收买充裕电(dian)(dian)(dian)量;对一切散布式(shi)光(guang)(guang)伏发(fa)(fa)电(dian)(dian)(dian)名(ming)目(mu)免收体系(xi)备(bei)(bei)用(yong)容量费。名(ming)目(mu)接入(ru)大众电(dian)(dian)(dian)网的局(ju)部(bu)也由电(dian)(dian)(dian)网买单,用(yong)户仅需本身投资光(guang)(guang)伏发(fa)(fa)电(dian)(dian)(dian)装(zhuang)(zhuang)备(bei)(bei)和自用(yong)局(ju)部(bu)少许(xu)电(dian)(dian)(dian)缆线(xian)路(lu)及断路(lu)器投入(ru)。那末(mo)咱们要若(ruo)何来请求呢?

**步,住(zhu)民**好有自(zi)力的园地(di)(如屋顶(ding))来装配,若是大众屋顶(ding)需(xu)收罗邻人业(ye)主书面具名赞成。要有衡(heng)宇产权证(zheng)(zheng)。工贸易用户要有衡(heng)宇产权证(zheng)(zheng)、地(di)盘操纵证(zheng)(zheng)、停业(ye)执照

第二步,住民(min)要收(shou)罗(luo)自建(jian)电站小(xiao)区的业委会或居委会允许。

第三步(bu),住民前去(qu)电(dian)(dian)力(li)公司停业厅停止(zhi)散布式光(guang)伏发电(dian)(dian)名目并(bing)网请求,供(gong)电(dian)(dian)局部未来现 场(chang)展开(kai)现场(chang)勘查,并(bing)构造检查380V(220V)伏接入计划。

第四步,若是设想接(jie)(jie)入(ru)计划(hua)和(he)装备方面有题目,供电(dian)(dian)局部会供给(ji)接(jie)(jie)入(ru)计划(hua)和(he)接(jie)(jie)入(ru)电(dian)(dian)网定见(jian)函(han),住民(min)将根据计划(hua)和(he)定见(jian)函(han)对举措措施停止革新。

第(di)五步,自行装配或找专(zhuan)业公(gong)司(si)装配并网(wang)体系。

第六(liu)步,装好后(进户线以(yi)下(xia)局部),告诉电力(li)公司过去验收,他们会在住民家中装配(pei)计量装配(pei)(户主自(zi)备计量箱),并签定(ding)购电和谈,实现**终并网法式。

2. 太阳能发电体(ti)系容量设想

容量也便是(shi)光伏发(fa)电(dian)(dian)体系的(de)发(fa)电(dian)(dian)功率,通(tong)俗根据(ju)住民(min)的(de)可扶植屋顶(ding)面(mian)(mian)(mian)积来(lai)设想。装配空间(jian)能(neng)够是(shi)斜(xie)面(mian)(mian)(mian)屋顶(ding),也能(neng)够说立(li)体屋顶(ding)。立(li)体屋顶(ding)1 平(ping)方米的(de)面(mian)(mian)(mian)积今朝可发(fa)电(dian)(dian)约75W,屋面(mian)(mian)(mian)承重(zhong)(zhong)增添约35-45千(qian)克(ke)。朝南向斜(xie)面(mian)(mian)(mian)屋顶(ding)1平(ping)方米可扶植约130W,屋面(mian)(mian)(mian)承重(zhong)(zhong)增添约15千(qian)克(ke)。通(tong)俗住民(min)能(neng)够构建3kw-5kw 的(de)电(dian)(dian)站(zhan)。

3. 太阳能电池组件的挑选

电(dian)(dian)池组(zu)件分为单(dan)晶(jing)(jing)(jing)硅电(dian)(dian)池组(zu)件、多(duo)晶(jing)(jing)(jing)硅电(dian)(dian)池组(zu)件和非晶(jing)(jing)(jing)电(dian)(dian)池组(zu)件。单(dan)晶(jing)(jing)(jing)的(de)(de)(de)(de)发电(dian)(dian)效力(li)**高,在一样面积下能够收回更多(duo)的(de)(de)(de)(de)电(dian)(dian),对可装(zhuang)配面积比(bi)拟小(xiao)(xiao)挑选(xuan)单(dan)晶(jing)(jing)(jing)的(de)(de)(de)(de)是**合适的(de)(de)(de)(de),可是单(dan)价会高些。多(duo)晶(jing)(jing)(jing)硅的(de)(de)(de)(de)效力(li)次(ci)之(zhi),对装(zhuang)配面积比(bi)拟敷裕的(de)(de)(de)(de)挑选(xuan)多(duo)晶(jing)(jing)(jing)硅比(bi)拟合算,价钱绝对较(jiao)低。非晶(jing)(jing)(jing)硅的(de)(de)(de)(de)效力(li)**低通俗(su)不(bu)倡议操(cao)纵。(小(xiao)(xiao)常识:单(dan)晶(jing)(jing)(jing)电(dian)(dian)池片通俗(su)是圆角(jiao)的(de)(de)(de)(de),多(duo)晶(jing)(jing)(jing)电(dian)(dian)池片通俗(su)是方角(jiao)的(de)(de)(de)(de))

电池组件的五(wu)大参(can)数便是峰值功(gong)率、开路电压、短路电流、任务(wu)电压、任务(wu)电流。这些参(can)数的选(xuan)定很(hen)是的首要。

电池组件根据功(gong)率(lv)有(you)巨(ju)细之分,单组件的(de)(de)功(gong)率(lv)从10W-300W 都有(you)。单组件功(gong)率(lv)的(de)(de)巨(ju)细和面(mian)积成(cheng)反比,是以在挑选(xuan)功(gong)率(lv)的(de)(de)同(tong)时(shi)也要(yao)挑选(xuan)**合(he)适尺寸的(de)(de)电池组件来知足你的(de)(de)装(zhuang)配空间请求。

电(dian)(dian)(dian)池(chi)板在(zai)(zai)阳光照耀下(xia)(1000w/m2)①在(zai)(zai)不(bu)负(fu)载的(de)(de)(de)环(huan)境下(xia)测得(de)(de)(de)的(de)(de)(de)电(dian)(dian)(dian)压便是(shi)开(kai)(kai)路(lu)电(dian)(dian)(dian)压,②间接(jie)将电(dian)(dian)(dian)池(chi)组(zu)(zu)件(jian)的(de)(de)(de)正负(fu)极(ji)短路(lu)测得(de)(de)(de)的(de)(de)(de)电(dian)(dian)(dian)流(liu)(liu)便是(shi)短路(lu)电(dian)(dian)(dian)流(liu)(liu),③在(zai)(zai)加上负(fu)载的(de)(de)(de)环(huan)境下(xia)测得(de)(de)(de)的(de)(de)(de)电(dian)(dian)(dian)压便是(shi)任务电(dian)(dian)(dian)压,测得(de)(de)(de)的(de)(de)(de)电(dian)(dian)(dian)流(liu)(liu)便是(shi)任务电(dian)(dian)(dian)流(liu)(liu)。任务电(dian)(dian)(dian)压通俗(su)(su)(su)与开(kai)(kai)路(lu)电(dian)(dian)(dian)压成反比,任务电(dian)(dian)(dian)流(liu)(liu)与短路(lu)电(dian)(dian)(dian)流(liu)(liu)成反比。这四个参(can)数的(de)(de)(de)挑(tiao)选(xuan)与前面要挑(tiao)选(xuan)的(de)(de)(de)逆变器的(de)(de)(de)干(gan)系很(hen)大。通俗(su)(su)(su)来(lai)讲并网电(dian)(dian)(dian)池(chi)组(zu)(zu)件(jian)的(de)(de)(de)开(kai)(kai)路(lu)电(dian)(dian)(dian)压通俗(su)(su)(su)在(zai)(zai)40 伏摆布(bu),任务电(dian)(dian)(dian)压通俗(su)(su)(su)在(zai)(zai)30 伏摆布(bu)。任务电(dian)(dian)(dian)流(liu)(liu)和开(kai)(kai)路(lu)电(dian)(dian)(dian)流(liu)(liu)随(sui)组(zu)(zu)件(jian)功率的(de)(de)(de)变更(geng)(geng)而变更(geng)(geng)。

电(dian)池组件(jian)的(de)串(chuan)连(lian)(lian)和并联(lian)(lian):多(duo)个电(dian)池组件(jian)能够(gou)串(chuan)连(lian)(lian)或是并联(lian)(lian)操(cao)纵,也能够(gou)串(chuan)连(lian)(lian)和并联(lian)(lian)夹杂操(cao)纵。对(dui)并网体系(xi)而言(yan)串(chuan)连(lian)(lian)是为了(le)取得合适并网逆变器(qi)任(ren)务(wu)的(de)电(dian)压,并联(lian)(lian)是为了(le)在一样电(dian)压品级下增添输入(ru)功率。

4. 并网太阳(yang)能逆变(bian)器的(de)挑选(xuan)

并(bing)网(wang)太阳能(neng)(neng)逆变器(qi)作为光(guang)(guang)伏(fu)电(dian)(dian)(dian)池组件与(yu)电(dian)(dian)(dian)网(wang)的(de)接口装配,将光(guang)(guang)伏(fu)电(dian)(dian)(dian)池的(de)直流电(dian)(dian)(dian)能(neng)(neng)转(zhuan)换成交换电(dian)(dian)(dian)能(neng)(neng)并(bing)传(chuan)输(shu)到(dao)电(dian)(dian)(dian)网(wang)上,在(zai)光(guang)(guang)伏(fu)并(bing)网(wang)发电(dian)(dian)(dian)体系中(zhong)起着相当首(shou)要的(de)感化(hua)。

户用并网(wang)逆变(bian)器(qi)(qi)有(you)2 种(zhong)(zhong),一种(zhong)(zhong)是集合式(shi)并网(wang)光(guang)(guang)(guang)伏逆变(bian)器(qi)(qi),**小功率(lv)为(wei)1kw,输(shu)入(ru)电压(ya)在(zai)150V-550V 不等。别的(de)(de)(de)一种(zhong)(zhong)是微(wei)型(xing)并网(wang)光(guang)(guang)(guang)伏逆变(bian)器(qi)(qi),通(tong)俗用在(zai)AC220V 的(de)(de)(de)电压(ya)品级中,功率(lv)从200W 到(dao)500W 之间,输(shu)入(ru)电压(ya)的(de)(de)(de)规模为(wei)12V ~ 28VDC。两种(zhong)(zhong)并网(wang)逆变(bian)器(qi)(qi)的(de)(de)(de)用法(fa)很(hen)不一样,以下(xia)图所示。集合式(shi)并网(wang)逆变(bian)器(qi)(qi)的(de)(de)(de)体(ti)积(ji)通(tong)俗较大合适(shi)壁挂装(zhuang)配(pei),微(wei)型(xing)并网(wang)光(guang)(guang)(guang)伏逆变(bian)器(qi)(qi)玲珑(long),通(tong)俗和电池组件一路就近装(zhuang)配(pei)(可装(zhuang)配(pei)在(zai)电池组件下(xia)方的(de)(de)(de)支架(jia)上), 户用户用散布式(shi)并网(wang)光(guang)(guang)(guang)伏发电体(ti)系两种(zhong)(zhong)都(dou)能够挑(tiao)选。

并网(wang)逆(ni)(ni)(ni)变(bian)(bian)(bian)(bian)器(qi)的(de)(de)(de)(de)(de)(de)首要(yao)参数是(shi)(shi)(shi)(shi)**大(da)输入(ru)功(gong)率、**大(da)输入(ru)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)、额外输入(ru)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)、启动电(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)、MPPT 电(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)规(gui)模(mo)、输入(ru)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)网(wang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)。**大(da)输入(ru)功(gong)率是(shi)(shi)(shi)(shi)个(ge)(ge)极限值(zhi),光伏电(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)组件(jian)的(de)(de)(de)(de)(de)(de)峰值(zhi)功(gong)率要(yao)在(zai)这(zhei)个(ge)(ge)值(zhi)的(de)(de)(de)(de)(de)(de)90% 摆布(bu);**大(da)输入(ru)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)对(dui)应(ying)(ying)的(de)(de)(de)(de)(de)(de)是(shi)(shi)(shi)(shi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)组件(jian)的(de)(de)(de)(de)(de)(de)开路(lu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya),组件(jian)阵列串连起来的(de)(de)(de)(de)(de)(de)开路(lu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)必然不能(neng)大(da)于(yu)这(zhei)个(ge)(ge)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)值(zhi),尽可能(neng)接(jie)近为好(hao);额外输入(ru)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)对(dui)应(ying)(ying)的(de)(de)(de)(de)(de)(de)是(shi)(shi)(shi)(shi)光伏电(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)组件(jian)的(de)(de)(de)(de)(de)(de)任(ren)务电(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya),能(neng)够有必然规(gui)模(mo)的(de)(de)(de)(de)(de)(de)误差;启动电(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)指的(de)(de)(de)(de)(de)(de)是(shi)(shi)(shi)(shi)并网(wang)逆(ni)(ni)(ni)变(bian)(bian)(bian)(bian)器(qi)要(yao)起头任(ren)务的(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)点,太阳光太弱(ruo)的(de)(de)(de)(de)(de)(de)时(shi)辰并网(wang)逆(ni)(ni)(ni)变(bian)(bian)(bian)(bian)器(qi)是(shi)(shi)(shi)(shi)不任(ren)务的(de)(de)(de)(de)(de)(de);MPPT 电(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)规(gui)模(mo)是(shi)(shi)(shi)(shi)针对(dui)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)板(ban)的(de)(de)(de)(de)(de)(de)特征而(er)设置(zhi)的(de)(de)(de)(de)(de)(de)一个(ge)(ge)并网(wang)逆(ni)(ni)(ni)变(bian)(bian)(bian)(bian)器(qi)的(de)(de)(de)(de)(de)(de)功(gong)效(xiao),它(ta)会主动的(de)(de)(de)(de)(de)(de)调理逆(ni)(ni)(ni)变(bian)(bian)(bian)(bian)器(qi)的(de)(de)(de)(de)(de)(de)输入(ru)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)和(he)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)使得(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)和(he)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)的(de)(de)(de)(de)(de)(de)乘积也便是(shi)(shi)(shi)(shi)功(gong)率到达**大(da)值(zhi),这(zhei)个(ge)(ge)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)规(gui)模(mo)很宽,具(ju)有这(zhei)个(ge)(ge)功(gong)效(xiao)的(de)(de)(de)(de)(de)(de)逆(ni)(ni)(ni)变(bian)(bian)(bian)(bian)器(qi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)板(ban)的(de)(de)(de)(de)(de)(de)操纵效(xiao)力更高;输入(ru)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)网(wang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)指的(de)(de)(de)(de)(de)(de)是(shi)(shi)(shi)(shi)要(yao)并入(ru)的(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)网(wang)的(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(单相(xiang)220V/ 三相(xiang)380V)。

并(bing)网(wang)(wang)逆(ni)变(bian)器的(de)挑选(xuan)(xuan)首(shou)(shou)要(yao)(yao)(yao)是挑选(xuan)(xuan)额外功率(lv)和(he)输(shu)(shu)入(ru)输(shu)(shu)入(ru)电(dian)压品级(ji)。那(nei)末用户只(zhi)需根(gen)(gen)据本身选(xuan)(xuan)定好(hao)的(de)电(dian)池组件的(de)电(dian)压品级(ji)和(he)串并(bing)联体例就(jiu)能(neng)够很(hen)轻易简直(zhi)定并(bing)网(wang)(wang)逆(ni)变(bian)器的(de)输(shu)(shu)入(ru)电(dian)压规模,根(gen)(gen)据本身家里的(de)用电(dian)环境就(jiu)能(neng)够挑选(xuan)(xuan)单(dan)相或(huo)是三(san)相输(shu)(shu)入(ru)。比方:电(dian)池板的(de)峰值(zhi)功率(lv)为(wei)250W,开路(lu)电(dian)压为(wei)39V,任务(wu)电(dian)压为(wei)30V,要(yao)(yao)(yao)构成2KW 的(de)体系须要(yao)(yao)(yao)8 片电(dian)池组件串连,那(nei)末并(bing)网(wang)(wang)逆(ni)变(bian)器的(de)**大(da)输(shu)(shu)入(ru)电(dian)压就(jiu)必须大(da)于38V/ 片*8 片=304V,额外电(dian)压在240V 摆(bai)布(bu)(bu)。那(nei)末挑选(xuan)(xuan)的(de)逆(ni)变(bian)器就(jiu)应(ying)当是2000w,**大(da)输(shu)(shu)入(ru)输(shu)(shu)入(ru)电(dian)压大(da)于304伏,MPPT跟踪规模涵(han)盖240摆(bai)布(bu)(bu)。并(bing)网(wang)(wang)输(shu)(shu)入(ru)根(gen)(gen)据家庭的(de)详细供电(dian)环境而定挑选(xuan)(xuan)单(dan)相220V 或(huo)是三(san)相380V 的(de)。并(bing)网(wang)(wang)逆(ni)变(bian)器作为(wei)全(quan)部体系的(de)**首(shou)(shou)要(yao)(yao)(yao)的(de)部件,必然要(yao)(yao)(yao)挑选(xuan)(xuan)经由过程国度(du)相干认(ren)证的(de)产物(比方金太阳认(ren)证CQC)。

5. 其余部件的挑(tiao)选(xuan)

1)线(xian)(xian)(xian)缆(lan)(lan)。线(xian)(xian)(xian)缆(lan)(lan)能(neng)(neng)够(gou)(gou)挑选(xuan)(xuan)光伏**线(xian)(xian)(xian)缆(lan)(lan),可(ke)(ke)(ke)是价钱高,量少也不好采办。短间隔的(de)(de)(de)仍是接纳(na)BV 线(xian)(xian)(xian)缆(lan)(lan),根据1 平方毫米的(de)(de)(de)宁静(jing)(jing)电(dian)流为(wei)(wei)6A 计较便可(ke)(ke)(ke)。比方功(gong)率为(wei)(wei)3kw的(de)(de)(de)体(ti)系,对光服输(shu)入(ru)线(xian)(xian)(xian)缆(lan)(lan),逆(ni)变器的(de)(de)(de)额外(wai)输(shu)入(ru)电(dian)压(ya)电(dian)压(ya)为(wei)(wei)DC350V,那(nei)末电(dian)流为(wei)(wei)3000W/350V=8 .57A,挑选(xuan)(xuan)BV2.5 的(de)(de)(de)线(xian)(xian)(xian)缆(lan)(lan)。对逆(ni)变器输(shu)入(ru)线(xian)(xian)(xian)缆(lan)(lan),逆(ni)变器的(de)(de)(de)额外(wai)输(shu)入(ru)电(dian)压(ya)电(dian)压(ya)为(wei)(wei)AC220V,那(nei)末电(dian)流为(wei)(wei)3000W/220V ≈ 13.63A, 实际上也能(neng)(neng)够(gou)(gou)挑选(xuan)(xuan)BV2.5 的(de)(de)(de)线(xian)(xian)(xian)缆(lan)(lan),可(ke)(ke)(ke)是为(wei)(wei)了宁静(jing)(jing)起见(jian)能(neng)(neng)够(gou)(gou)进步一个(ge)品级(ji),挑选(xuan)(xuan)BV4 的(de)(de)(de)线(xian)(xian)(xian)缆(lan)(lan)。由于光伏发电(dian)期为(wei)(wei)25年,为(wei)(wei)保障体(ti)系持(chi)久不变的(de)(de)(de)任务,倡(chang)议(yi)尽可(ke)(ke)(ke)能(neng)(neng)选(xuan)(xuan)用(yong)**光伏电(dian)缆(lan)(lan)。

2)防(fang)(fang)(fang)雷(lei)(lei)(lei)(lei)器(qi)。防(fang)(fang)(fang)雷(lei)(lei)(lei)(lei)器(qi)和通(tong)俗防(fang)(fang)(fang)雷(lei)(lei)(lei)(lei)器(qi)不(bu)一样,要挑选光伏**高(gao)压直流防(fang)(fang)(fang)雷(lei)(lei)(lei)(lei)器(qi),由(you)于通(tong)俗防(fang)(fang)(fang)雷(lei)(lei)(lei)(lei)器(qi)的(de)延续任(ren)务电压是AC220V或是AC380V 的(de),光伏**防(fang)(fang)(fang)雷(lei)(lei)(lei)(lei)器(qi)的(de)延续任(ren)务电压能够高(gao)达DC1000V。也能够操纵(zong)传统的(de)避雷(lei)(lei)(lei)(lei)针防(fang)(fang)(fang)雷(lei)(lei)(lei)(lei),但(dan)要做好充实靠得住的(de)接地,接地电阻不(bu)大(da)于4欧姆。

3)计(ji)(ji)量(liang)仪表(biao)(biao)电(dian)(dian)力(li)公(gong)司会收费为用户(hu)装配(pei)两块(kuai)电(dian)(dian)表(biao)(biao),一块(kuai)是(shi)计(ji)(ji)量(liang)光伏发(fa)电(dian)(dian)电(dian)(dian)量(liang)的(de)(de)电(dian)(dian)表(biao)(biao),另外一个是(shi)双向计(ji)(ji)量(liang)电(dian)(dian)表(biao)(biao),即用户(hu)本身(shen)用电(dian)(dian)和卖到(dao)电(dian)(dian)网的(de)(de)电(dian)(dian)量(liang)计(ji)(ji)量(liang)电(dian)(dian)表(biao)(biao)。如许(xu)用户(hu)能够及(ji)时看到(dao)本身(shen)天(tian)天(tian)的(de)(de)用电(dian)(dian)环(huan)境(jing)、发(fa)电(dian)(dian)环(huan)境(jing)和输到(dao)电(dian)(dian)网上的(de)(de)电(dian)(dian)量(liang)环(huan)境(jing)。

6. 装配调试(shi)

装配(pei)若是(shi)本身不熟习(xi)电气体(ti)系的话,**好请(qing)有天(tian)资的职员来装配(pei)。电池(chi)组件(jian)装配(pei)完后的串(chuan)并连接(jie)线**幸(xing)亏太阳下山(shan)后实现,防止高(gao)压触(chu)电,同时做好防雷(lei)接(jie)地的任务,另外要注重支(zhi)架的抗风品(pin)级,南边用(yong)户还要注重抗雪品(pin)级。调试能够和(he)电力公司的职员一路共同调试。

 

7、投资收益率

东(dong)南地域工商户投资(zi)收益率通俗在30%--35%,小我用(yong)户投资(zi)收益率通俗在20%--30%。

南边地域工商户屋顶散布(bu)式投(tou)资收(shou)益(yi)率30%摆(bai)布(bu),小(xiao)我用户投(tou)资收(shou)益(yi)率通俗在20%摆(bai)布(bu)

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