全民赢三张牌

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                              1. CN
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                                逆变器输出功率为何达不到组件的额定功率?
                                2018-12-24

                                  YIWEICHURUGUANGFUDEPENGYOUZHANGGONG,ZAIZIJIAWUDINGANZHUANGLEGUANGFUDIANZHAN,YONGLE120KUAI340W,ZUJIANZONGGONGLV40.8kW,NIBIANQISHI40kW。YUNXINGJIGEYUEHOU,YONGSHOUJICHAKANFADIANQINGKUANG,MEITIANFADIANLIANGZAI20DU-240DU,CHAKANSHISHIFADIANGONGLVSHI,ZHANGGONGFAXIAN,GUANGFUDIANZHANZHEIJIGEYUEDESHUCHUGONGLV,ZUIGAOSHIZHIYOU36kWZUOYOU,BINGWEIDADAO40kW,ZHEISHIZENMEHUISHI?

                                全民赢三张牌  GUANGFUXITONGDESHUCHUGONGLV,YIBANHENNANDADAOZUJIANDEBIAOCHENGGONGLV,ZHEISHIYINWEIZUJIANDEGONGLVSHIZAITIANQITIAOJIANFEICHANGHAO,ZUJIANWENDUYEBIJIAODIDEQINGKUANGXIACESHIDE,ZHENGCHANGDETIANQISHIWUFADADAOGAITIAOJIAN,GUANGFUZUJIANBUYIDINGQUANDOUNENGJIESHOUDAOTAIYANGNENG,YINWEIBUYIDINGDOUYIZHIZAIZUIJIAJIAODU。BINGQIEGUANGFUXITONGDOUYOUSUNHAO:ZUJIANSHANGDEHUICHEN、ZHEDANG、YINYINGDENG,DIANLAN、KAIGUAN、JIETOUDENGXIANLUSUNHAO;NIBIANQI、BIANYAQI、PEIDIANJUDENGSHEBEISUNHAO。YIBANDAXINGDIANZHAN,XITONGSHUCHUZUIGAOGONGLVKENENGZHIYOUZUJIANEDINGGONGLVDE85%-90%ZUOYOU;XIAOXINGFENBUSHIDIANZHAN,XITONGSHUCHUZUIGAOGONGLVKENENGZHIYOUZUJIANEDINGGONGLVDE90%-95%ZUOYOU。

                                  1、TAIYANGFUZHAODUYINSU

                                  WOMENCHANGSHUO340WGUANGFUZUJIAN,ZUIDAGONGLVPmax/W,DAIBIAOZAIBIAOZHUNCESHIHUANJINGQIFENGZHIGONGLVWEI340W。ZHIYOUZAIBIAOZHUNCESHITIAOJIAN(FUZHAODUWEI1000W/m2,DIANCHIWENDU25℃)SHI,GUANGFUZUJIANDESHUCHUGONGLVCAISHI“BIAOCHENGGONGLV”(340W),FUZHAODUHEWENDUBIANHUASHI,GONGLVYEHUIBIANHUA。ZAIFEIBIAOZHUNTIAOJIANXIA,GUANGFUZUJIANDESHUCHUGONGLVYIBANBUSHIBIAOCHENGGONGLV,RUXIATU:

                                  STC(BIAOZHUNCESHIHUANJINGStandard test condition):FUZHAODU1000W/m2,DIANCHIWENDU25℃,GUANGPUAM1.5。NOCT(DIANCHIPIANBIAOCHENGGONGZUOWENDUTIAOJIANNormal Operating Cell Temperature):FUZHAODU800W/m2,HUANJINGWENDU20℃,GUANGPUAM1.5,FENGSU1m/S。CONGBIAOZHONGKEYIKANDAO,DANGTIAOJIANYOULIXIANGDESTCHUANJINGZHUANDAOXIANSHIZHONGNOCTHUANJINGSHI,ZUJIANDEGONGLVFASHENGHENDABIANHUA,RU330WDEZUJIAN,BIANCHENG249W。

                                  2、XITONGSUNHAOYINSU

                                  YINGXIANGFADIANLIANGDEGUANJIANYINSUSHIXITONGXIAOLV,XITONGXIAOLVZHUYAOKAOLVDEYINSUYOU:ZUJIANSHANGHUICHEN、YINYINGZHEDANGYINQIDEXIAOLVJIANGDI,ZUJIANWENDUYINQIDEGONGLVJIANGDI,ZHILIUDIANLANYINQIDEZUKANGPIPEISUNSHI,ZUJIANCHUANLIANDIANYAHENIBIANQIDIANYABUPIPEICHANSHENGDEXIAOLVJIANGDI,NIBIANQIDEMPPTZHUIZONGSUNSHI,NIBIANQIBENSHENDEGONGLVSUNHAO,JIAOLIUXIANLANGONGLVSUNHAO、BIANYAQIGONGLVSUNHAODENGDENGDUOGEYINSU。

                                全民赢三张牌  XITONGSUNSHISHIZONGHEFADIANLIANGDESUNSHI,SHUZHIGENJUTIAOJIANZAIBIANHUA。YINGXIANGZUIDAGONGLVSHUCHUDEYINSUSHIZUJIANHEZHILIUDIANLAN,WEILETISHENGSHUCHUGONGLV,BIXUJINLIANGJIANSHAOGEZHONGSUNHAO。GUANGFUANZHUANGDIDIANQUEDINGHOU,ZUJIANDEANZHUANGJIAODU、ZUJIANWENDU,NIBIANQIBENSHENDESUNHAO、MPPTGENZONGXIAOLVDENGYINSU,GAIBIANJIAOKUNNAN。DANZHILIUDIANLANSUNSHI、ZHILIUDIANLANZUKANGPIPEI、ZUJIANHENIBIANQIDIANYAPIPEIDENGYINSU,ZESHIKEKONGZHIDE。

                                  1)尽量减少直流电缆的长度,从组件到逆变器,要用到直流电缆,这个电缆的长度对系统发电量的影响非常大,一方面是直流电缆本身的损耗,另一方面是是阻抗匹配,逆变器尽量靠近组件,直流电缆控制在20米以内,每一个MPPT的直流电缆尽量一致。

                                全民赢三张牌  2)ZUJIANCHUANLIANHOUDEGONGZUODIANYAJINLIANGKAOJINNIBIANQIDEEDINGDIANYA,JIANGDINIBIANQIDESUNHAO。

                                  NEIZENMEPANDUANGUANGFUXITONGFADIANSHIFOUZHENGCHANGNI?SHOUXIANKANNIBIANQIDESHUCHUGONGLV,ZAITIANQITEBIEHAOSHI,RUGUONENGDADAOZUJIANGONGLVDE90%YISHANG,SHUOMINGXITONGDESHEJIMEIYOUSHENMEWENTI,ZAIZHESUANYIXIAFADIANLIANG,CHAKANDANGDIDERIJUNFADIANLIANGXIAOSHISHU,YONGXIAOSHISHUCHENGYI365,ZAICHENGXITONGXIAOLVJIUSHINIANPINGJUNFADIANLIANG,YIBANXITONGXIAOLVSUAN0.8,RUZAIGUANGDONGDIQU,RIJUNFADIANLIANGXIAOSHISHUSHI3.5,YIGE40kWDEDIANLIANG,PINGJUNYINIANDEFADIANLIANGSHI40*3.5*365*0.8=40880DU,RUGUOFADIANLIANGZAIZHEIGEFANWEINEI,JIUSHUOMINGXITONGDESHEJIHEANZHUANGDOUMEIWENTI。


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