A 20MW photovoltaic power station ine mari inosvika 160 miriyoni yuan.Pakati pavo, kudyara kwebhokisi rekubatanidza kuri pasi pe 1 miriyoni yuan, inongoverengera 0.6% chete yekudyara kwese.Nokudaro, mumaziso evanhu vakawanda, bhokisi rekubatanidza chinhu chiduku chisingakoshi.Nekudaro, zvinoenderana nedata data, bhokisi rekubatanidza ndicho chikonzero chakakosha chekutadza kwemunda.
Mufananidzo 1: Pa-site kukundikana kwehuwandu hwehuwandu hwemapurogiramu e photovoltaic
Mufananidzo uri pasi apa unoratidza tsaona yakatsva yebhokisi rekubatanidza.
1. Chimiro chekutanga chebhokisi rekubatanidza Chimiro chemukati chebhokisi rekubatanidza rinoratidzwa mumufananidzo uri pasi apa.
1. bhokisi
Kazhinji, ndiro yesimbi yakapfapfaidza plastiki, simbi isina tsvina, einjiniya mapurasitiki uye zvimwe zvinhu zvinoshandiswa, uye mwero wekudzivirira uri pamusoro pe IP54.Basa rayo ndere: kusapinda kwemvura uye guruva, kusangana nezvinodiwa zvenguva refu yekunze kushandiswa kwebhokisi rekubatanidza.Iyo IP54 yekudzivirira giredhi sisitimu inorongedza midziyo yemagetsi zvinoenderana nehuruva-uchapupu uye hunyoro-hufakazi maitiro.Nhamba yekutanga "5" inoratidza mwero wekudzivirirwa kune zvinhu zvekunze, uye yechipiri nhamba "4" inoratidza dhigirii remhepo yemudziyo pakurwisa unyoro uye kupindira kwemvura.Iyo yakakura nhamba, iyo yakakwirira yezinga rekudzivirira.
2. DC circuit breaker
Iyo DC yedunhu breaker ndiyo inobuda inodzora mudziyo weiyo yese yekubatanidza bhokisi, iyo inonyanya kushandiswa kuvhura uye kuvhara kwedunhu.Mhepo yayo inoshanda yakakwira seDC1000V.Sezvo simba rinogadzirwa ne solar module rakananga ikozvino, rinowanzoita arc kana dunhu ravhurwa, saka tembiricha yaro inofanirwa kutariswa panguva yekuongorora munzvimbo yepamusoro yekupisa muzhizha.
3. Surge mudziviriri divi
Surge inodaidzwa zvakare kuti surge, inova yekukurumidza overvoltage inodarika kushanda kwakajairika.Mudziviriri wekuvhiya chinhu chemagetsi chinopa kuchengetedza kuchengetedza kwebhokisi rekubatanidza.Kana spike ikozvino kana kupfuudza overvoltage kana mheni overvoltage inongoerekana yagadzirwa munharaunda yemagetsi kana yedunhu rekutaurirana nekuda kwekuvhiringidza kwekunze, mudziviriri wekuvhiya anogona kuitisa uye shunt munguva pfupi kwazvo, nekudaro kudzivirira kuvhiya kune mamwe maturusi ari mudunhu Kukuvadzwa.
4. DC fuse
The overload current uye short-circuit current in the circuit ichaita kuti waya uye tembiricha yetambo ive yakakwira zvakanyanya, zvichikonzera kukanganisa kuvharwa kwewaya netambo, kana kutopwanya.Iyo fuse inorongedzerwa kumagumo anouya kana anobuda ekondukita kana tambo yekudzivirira kuwanda kwewaya netambo, uye yakayerwa ikozvino yefuse inenge 1.25 nguva yemutsara wezvino;nokuda kwekudzivirira-pfupi-circuit, fuse inofanira kuiswa pamagumo anouya ewaya kana tambo.Iyo yakayerwa ikozvino yefuse inenge 1.45 nguva yerwendo rwazvino.
2. Zvakasiyana-siyana zvinogona kukonzera bhokisi rekubatanidza rakapiswa kunze
1 Iyo combinator bhokisi pachayo inokonzerwa nezvikonzero zvayo.
1) Kurongeka kwebhawa yebhazi uye fuse haina musoro uye haifanirwe kupindirana.Mukuwedzera, hupamhi hwebhasi yebhasi idiki, iyo isingabatsiri kupisa kupisa uye haina musoro.Kugoverwa kwechimiro kunokonzera kuti pfupi pfupi inopisa.
2) Iro hupamhi hwebhari yebhasi inenge yakamanikana, uye nzvimbo yekubatana pakati peterminal nebhasi bhari idiki, zvichikonzera kupisa uye kupisa.
3) Aluminium mabhazi anoshandiswa kune mabhasi, uye tembiricha yese yebhokisi rekushandisa yakakwira zvakanyanya.Inokurudzirwa kushandisa TMY kana TMR copper mabhasi;kunaka kwekudzivirira kwekudzivirira kweganda rekunze kune dambudziko.
4) Bhokisi rekubatanidza harina chidziviriro chinoshanda.Iko hakuna yekutaurirana unit uye yekudzivirira unit yekutarisa ikozvino yebazi rega rega mubhokisi rekubatanidza.Kana imwe nguva iyo chaiyo yekubatanidza yebazi yakasunungurwa uye yakabatidzwa, ikozvino yedunhu iri inoshanduka, iyo inofanira kupa alarm uye kutyaira muparadzi wedunhu kuti afambe;iyi bhokisi rekubatanidza harina redunhu rinotyora.Kunyangwe tsaona ikaonekwa, zvinonetsa kuibvisa nemaoko.
5) Kusakwana creepage kureba kweiyo yakakwira-voltage yemagetsi clearance pakuiswa kwebhodhi rekutonga kunokonzera kupisa;
6) Fuse quality dambudziko: Kana fuse ichipfuura ikozvino kutakura ikozvino, inoputika, kana fuse fuse yakakura zvikuru kuti idzivirire.Iyo yakakodzera pakati pekunyunguduka uye chigadziko (yakawandisa kuonana kuramba);
7) IP chiyero haisi kusvika kune zvinodiwa;
8) Iyo insulation yemhando uye inomira voltage yeiyo terminal block yakaderera.
9) Iyo yedunhu breaker phase spacer haina kuisirwa, kana dunhu rinopwanya riri padyo neimba, uye kureba kwe arcing hakuna kukwana.
2 Inokonzerwa nekuvaka kusina-standard
1) Wiring pakati pe photovoltaic tambo uye bhokisi rekubatanidza haina kusimba.Nekuda kwesimba rakawandisa revashandi vekuvaka panguva yekuvaka, iyo screwed screw yakashongedzwa uye waya inotsvedza haina kutsiviwa, kana screw haina kusimbiswa kana simba raive diki, kusangana kwakashata kwakakonzera kuti ikozvino arc panguva kushanda, uye tembiricha yepamusoro yakanyungudutsa fuse holder uye yakakonzera kupfupika kwedunhu nekupisa.Donhedza bhokisi rekubatanidza.
2) Short circuit inokonzerwa ne wiring isiriyo.Apo tambo ye photovoltaic yakabatanidzwa kubhokisi rekubatanidza, vashandi vekuvaka havana kunyatsosiyanisa matanda akanaka uye asina kunaka etambo yebhatiri, uye akabatanidza danda rakanaka reimwe yebhatiri tambo nemapango asina kunaka emamwe tambo dzebhatiri, zvichiita short circuit.Kunyange vamwe vashandi vekuvaka vakakanganisa kukanganisa photovoltaic modules, zvichiita kuti dzimwe tambo dzive nevoltage ye1500V kana kutopfuura 2500V, yakabatana nebhokisi rekubatanidza, uye chiitiko chekupisa kwechikamu chakaitika.
3) Inokonzerwa neiyo inouya terminal uye wiring.Iyo photovoltaic bhasi yekupinza mutsara inopinda mubhokisi rekubatanidza kubva pasi pebhokisi rekubatanidza.Iyo yakabatana zvakananga kune terminal block pasina kugadzirisa matanho.Musoro we wiring unogadziriswa nekona duku.Nzvimbo yekubatana neiyo terminal idiki uye inotakura gravity yewaya.Kana musoro we wiring uchikanganiswa nekushisa Kana kuchinja uye kupisa kwemazuva ano uye kusunungura, kuchabudisa mazhenje uye zvishoma nezvishoma arc uye kupisa, izvo zvishoma nezvishoma zvichaita kuti mamwe majaira uye kunyange bhokisi rose kupisa uye kupisa zvachose.
4) Kusakwana kwekugadzira tekinoroji yeyekuburitsa tambo musoro webhokisi rekubatanidza, kusakwana kubviswa kwesimbi yezvombo, uye zvakanyanya padyo nemhino yewaya, zvichikonzera kudzika pasi pfupi;iyo chikamu tambo yekubatanidza plug inopisa nekuda kwekusabatana zvakanaka, zvichiita kuti tambo ibate moto;Iyo copper terminal screw yemubatanidzwa bhokisi rekuburitsa switch yaive yakasununguka Kupisa;
5) Gonhi rekudzivirira nzvimbo harina kuiswa.
3 Zvinokonzera panguva yekushanda nekugadzirisa
1) Nekuda kwekushanda kwenguva refu kwemidziyo, iyo module yemagetsi ine kutadza kwemukati, izvo zvinoita kuti arc ikwekwe uye bhokisi rekubatanidza rinopiswa.2) Iyo isingapindi mvura pachikamu chezasi chebhokisi rekubatanidza haisungirire tambo yephotovoltaic kana wiring yemusanganisi inobuda zvakasimba.Sezvo photovoltaic modules inongogadzira magetsi mukati mezuva, nzvimbo dzekubatana dzichapisa uye kuwedzera panguva yekugadzira magetsi.Husiku, tembiricha haizodzike uye nzvimbo dzekusangana dzichaderera.Kana iyo isingapindi mvura terminal ikasasunga tambo zvakasimba, simba rekudzika rinogona kukonzera mutsetse nekufamba kwenguva.Tambo yakasununguka, zvichiita kuti arc ipise iyo terminal, kana kunyange pfupi pfupi.
3) Mhuka diki dzakadai semakonzo nenyoka dzinopinda mubhokisi rekubatanidza, zvichiita kuti bhazi riite pfupi-dunhu.
4) Zvisungo zvekupedzisira zvefuse board zvakasununguka, zvichiita kuti fuse board ibate moto;
5) Chikwata chinokundikana uye kutenderera kunoitika.
3. Kugadziriswa kwebhokisi rekubatanidza
1 Kugadziridza zvirimo Kuti ubate mamiriro ekushanda kwe photovoltaic module midziyo, kuona uye kubvisa zvikanganiso zvemichina munguva, kudzivirira njodzi, uye kuve nechokwadi chekupedzwa kwechirongwa chekugadzira magetsi, basa rekuongorora midziyo rinofanira kuitwa zvakanyatsonaka.
1) Bhokisi rekubatanidza rinofanira kuongororwa kamwechete pamwedzi kuti uzive nenguva, kubvisa kukanganisa munguva, uye kurekodha zvakadzama murogi yekushanda.
2) Tarisa kuperera kwese kwebhokisi rekubatanidza pasina kukuvara, deformation, kana kudonha.
3) Tarisa kuti bhokisi rekubatanidza rakachena uye harina marara, uye chisimbiso chiri mumamiriro akanaka.
4) Tarisa uone kana screws dzakasununguka kana ngura.
5) Tarisa uone kana materminal wiring akatsva uye kana ma screws akasununguka.
6) Tarisa kana inishuwarenzi yakatsva, uye tarisa kana bhokisi refuse rakatsva.
7) Tarisa uone kana iyo anti-reverse diode yakatsva.
8) Tarisa kuti magetsi edunhu uye zvazvino zvakajairika.
9) Tarisa uone kana iyo yekuvhiya inodzivirira yakajairika.
10) Tarisa uone kana mutsara wakajairika kune mamiriro ekunze.
11) Tarisa uone kuti waya dzakabatanidzwa nebhokisi rekubatanidza dzakaputirwa zvakasimba uye kana iyo insulation iri kuchembera.
12) Tarisa uone kana kutaurirana uye kumashure kwebhokisi rekubatanidza zvakakanganiswa.
13) Tarisa uone kana ma screws e DC wedunhu breaker terminal akasununguka, uye tarisa tembiricha yeDC wedunhu breaker mukupisa kwekunze muzhizha.
14) Tarisa uone kana ndiro yekuzivikanwa yebhokisi rekubatanidza yakatumirwa zvakasimba.2 Chengetedzo kana uchigadzirisa bhokisi rekubatanidza
1) Paunenge uchigadzirisa bazi rebhokisi rekubatanidza, unofanira kutanga wabvisa muvharidzi wedunhu, uye wozozarura bhokisi refuse rebazi kuti rigadziriswe, wozovhara muvharidzi wedunhu, uye wozoenda kunogadzirisa mutsara webhasi.Rangarira kuti usaburitse plug yeM4 usina kudimbura iyo DC circuit breaker, kana kuvhura bhokisi refiyusi zvakananga usina kudimbura DC circuit breaker, kuitira kudzivirira njodzi dzehupenyu.
2) Paunenge uchiongorora nekugadzirisa bhokisi rekubatanidza, ita tsika yekusunga zvikumbiro zvese kamwe chete, uye teerera kune chengetedzo paunenge uchisunga zvigadziriso kuti usabate materminal akanaka uye asina kunaka panguva imwe chete nemaoko ako, kana kubata izvo zvakanaka uye. PE panguva imwe chete Waya kana zvakaipa uye PE waya.
Nguva yekutumira: May-24-2021
+86-577-62860666
malujiao industrizal zone,beibaixiang town,yueqing,zhejiang,china 325603
