易博平台

干货||光伏逆变器交流过压问题怎么解决?
栏目:专题报道 发布时间:2019-05-23 12:09

干货||光伏逆变器交流过压问题怎么解决?

来源:淘光伏学苑  2018/7/20 11:30:28 

xianzaiguangfubingwangfadianyuelaiyuepuji,xunchangdebaixingjiayenengshishijiandaoguangfudianzhandeshenyingle。raner,duilaobaixinglaijiang,duiguangfubingwangxitongyouqishibingwangnibianqirengranmeiyouxiangduidianshibingxiangneiyangdeshuxijiu,shenzhilianyixieanzhuanggongsidejishurenyuandouhaibunengzuodaoduinibianqichangjianguzhangdeguoduanxunsupaicha。

易博平台 yinci,dangnibianqifankuichuyixiexitongguzhangxinxishi,dajiajiuhuixiandeshushouwucele。yincilejiejiejuenibianqiguzhangdexiaoqiaomen,shiquebaonibianqizhengchanggongzuodezhongyaotiaojian。

congyuanlishanglaijiang,zishenshibuhuichanshengdianyade,nibianqixianshidedianyayibufenlaiziguangfuzujian,jiaozuozhiliudianya,lingyibufenlaizidianwangjiaozuojiaoliudianya。ruguo “bingwangnibianqixianshijiaoliuguoyawenti”shigaizenmechuli。

genjuxiangguanguiding,guangfubingwangnibianqibixuzaiguidingdedianwangdianyafanweineigongzuo,nenggoushishijianceqieyudianwangdianyatongbu,dangnibianqijiancedaodianwangdianya(jiaoliudianya)chaochuguidingdefanweishi,neinibianqijiubixutiaotuotingzhigongzuo,weideshiquebaoshebeianquanjibaohucaozuorenyuanderenshenanquan。

genjuduonianlaide“linchuangjingyan”,dangnibianqichuxianjiaoliuguoyashiwufeiyixiasanzhongqingkuang:

情况一:并网距离太远,导致电压抬高

bingwangnibianqidaodianwangbingwangdianjulitaiyuan,huidaozhinibianqijiaoliuduanzicededianyachazengda,chaoguonibianqiguidingbingwangdianyafanweishi,nibianqijiuhuixianshidianwangguoya。lingwai,nibianqidaobingwangdiansuoshiyongdexianlantaizhang、taixi、chuxianchanraohuozhecaizhibuheguidengqingkuang,douhuidaozhinibianqijiaoliuduandianyachazengda,yincixianlanxuanzeyuhelibujushiyongjiutebiezhongyao。

易博平台 zhenduizheizhongqingkuangshouxianyaopaichabingwangjulishifouguozhang,zuihaonengxuanzejiujinbingwangdefangan;qicijianchaxianlanfenbujixianlanzhiliang,xuanzehelibuxianfangshijihegejiaoliudianlan。

情况二:多台逆变器集中一个接入点

guoneiguangfufadianqishixingqishijianbingbuzhang,gongdianjuzaixuanzenibianqibingwangshijingyanbushihenduo,erqieyoushihouhuixiandebuzhuanyehuozheqiankaolv。jingchangchuxiandeqingkuangjiushi,jiangduotaidanxiangnibianqijiedaotongyixiangshang,zheiyangjiuhenrongyidaozhidianwangdianyabupingheng,erqiedianwangdianyataigao,ziranzaochengbingwangdianyaguogao。

易博平台 zheizhongqingkuangxiangduibijiaohaojiejue,xuyaokaolvbaxiangmubingwangrongliangfentandaodianwangsanxiangshang,xuanzeduodianbingwangjike。

情况三:同一台区光伏装机容量过大

易博平台 suizheguojiazhengceyuelaiyuexianghao,guangfujinrongrongziqudaokuoda,henduolaobaixingdouzaizhengxianganzhuang,zheiyangjiuyoukenenghuichuxiantongyitaiqunei(yitaibianyaqidegongdianfanweihuoquyu)guangfuzhuangjirongliangtaiduo,dianwangfuzaixiaohuanengliyoubuzudeqingkuang。youyuguangfuxitongchanshengdediannengwufabeijiujinxiaohao,youwufashixianyuanjulishusongdian,ziranerrandedianwangdianyahuibuduanshenggao,nibianqiyejiuchuxianxianshibingwangdianyaguogaoqingkuang。

mianduizheizhongqingkuangdejiejuefangshishi:

易博平台 1、guangfudianzhanjiangrong

2、bianyaqizengrong

3、zuohaoyufang:qianqikanchadianwangpingguheshidebingwangrongliang(zuihaodefangfa)


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