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Muhiimadda iyo habka doorashada saxda ah ee sawirka voltaic DC

Muhiimadda iyo habka doorashada saxda ah ee sawirka voltaic DC

Tayada dab-damisyada DC-ga ee sawir-qaadka ayaa sababay in shirkado badan oo Australian qoraxda ah inay albaabada xidhaan

Shirkadaha cadceedda ee Australiyaanka ah oo aad iyo aad u badan ayaa albaabbada u laabay sababo la xidhiidha furayaasha OEM PV DC oo aan u qalmin.Ku dhawaad ​​dhammaan alaab-qeybiyeyaasha Australiya waxay doortaan inay iibiyaan shixnadaha DC ee jaban ee OEM.

Marka hore, way u fududahay OEM furayaasha.Kaliya magaca astaanta iyo baakadaha ayaa la beddelay, warshadda asalka ah way fududahay in la wada shaqeeyo.

Marka labaad, warshadahan asalka ah waxay inta badan yihiin aqoon-is-weydaarsiyo yaryar oo aan waxba ahayn.Wacyigelinta astaanta, cabbir yar, iyo rabitaanka iskaashiga.Qaybiyayaashu waxay kordhin karaan qiimaha dheeriga ah ee furayaasha DC ee raqiis ah iyagoo calaamadeynaya summada Australiyaanka maxalliga ah ee iibka ah.Qaybiyayaashu waxay u baahan yihiin inay qaataan dhammaan adeegyada hubinta tayada xiga ee alaabta OEM oo ay qaataan dhammaan mas'uuliyadda dhibaatooyinka alaabta.

Sidan oo kale, marka alaabtu leedahay dhibaatooyin tayo leh, ganacsatadu waxay qaadan doonaan khatar sare waxayna saameeyaan saameyntooda sumadda.Tani waa sidoo kale sababta ugu weyn ee shirkadahaas ay musalafeen.

Dhibaatooyinka ugu waaweyn ee haysta furayaashan DC waa:

1. Iska caabbinta sare ee xidhiidhka ayaa keena kulayl iyo xitaa dab;
2. Furaha si caadi ah looma demi karo, gacanka shiduhuna waxa uu ku sii jirayaa xaaladda 'OFF';
3. Aan si buuxda loo jarin, taasoo keenta dhimbilo;
4. Sababtoo ah awoodda hadda shaqaynaysa ee la oggol yahay aad bay u yar tahay, way fududahay in la keeno kulayl xad-dhaaf ah, waxyeello u geysta beddelaha beddelka ama xitaa qaabaynta qaabaynta.

Shirkad Queensland ah ayaa iibisay furayaasha DC-ga ee lagu tijaabiyay khataraha badbaadada waxayna sababtay ugu yaraan 70 dab ah nidaamyada cadceedda ee saqafka isticmaaleyaasha.Intaa waxaa dheer, waxaa jira tobanaan kun oo mulkiilayaal ah oo halis ugu jira dabka korantada.

Advancetech, oo xarunteedu tahay Xeebta Qorraxda, waa shirkad muddo dheer la aasaasay oo hal-ku-dhiggeedu yahay "isku day, tijaabi, la rumaysan karo".Maajo 12, 2014, Xeer Ilaaliyaha Guud ee Queensland Jarrod Bleijie ayaa amar ku bixiyay in si degdeg ah dib loogu soo celiyo 27,600 shiishadaha cadceedda DC ah oo ay soo dejisay oo ay iibisay Advancetech.Shidayaasha sawir-qaadista ee DC ayaa loo beddelay "Avanco" markii la soo dhoofiyay.Maajo 16, 2014, Advancetech waxay gashay dareerinta kicitaan, iyo dhammaan rakibayaasha iyo qaybiyeyaasha sare waa inay qaadaan kharashyada iyo khatarta beddelka alaabta cilladaysan.

Tani waxay ku tusinaysaa in furuhu aanu ahayn waxa aad soo iibsanayso ee uu yahay qofka aad ka soo iibsanayso iyo khataraha uu leeyahay.Macluumaadka la xidhiidha waxa laga heli karaa http://www.recalls.gov.au/content/index.phtml/itemId/1059088.

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Sawirka 1: AVANCO sumadda sawir qaade DC ee ogeysiiska soo celinta

Intaa waxaa dheer, sumadaha lagu soo celiyay Australia sidoo kale waxaa ku lug leh:

Beddelka DC ee GWR PTY LTD Trading as Uniquip Industries ayaa dib loo soo celiyay kulaylka iyo dabka awgeed: http://www.recalls.gov.au/content/index.phtml/itemId/1060436

NHP Electrical Engineering Product Pty Ltd's switch-ka DC, sababta dib loogu yeedhayaa waa in marka gacanta lagu wareejiyo gobolka 'OFF', laakiin xidhiidhku had iyo jeer waa gobolka'ON', furahana lama dami karo: http: //www.recalls.gov.au/ content/index.phtml/itemId/1055934

Waqtigan xaadirka ah, waxaa jira wax badan oo loogu yeero kuwa loo yaqaan 'circuit'-ka-wareejinta DC-ga ee suuqa kuwaas oo aan ahayn kuwa dhabta ah ee DC-ga, laakiin laga wanaajiyey qalabka AC.Nidaamyada sawir-qaadista guud ahaan waxay leeyihiin koronto-goosad aad u sarreeya iyo hadda.Haddii ay dhacdo cilad dhulka ah, xawaaraha sare ee wareegga gaaban ayaa isku soo jiidi doona xiriirada, taas oo keeneysa koronto gaaban oo aad u sarreeya, taas oo noqon karta ilaa kiloamps (iyadoo ku xiran alaabooyin kala duwan).Gaar ahaan hababka sawir-qaadista, waa wax caadi ah in la yeesho fikrado badan oo isbarbar socda oo ah muraayadaha qoraxda ama soo-gelinta madax-bannaan ee baallayaasha badan ee qorraxda.Sidan, waa lagama maarmaan in la gooyo isku-dhafka DC-ga ee isbar-bardhigga ee muraayadaha badan ee qoraxda ama gelinta DC-ga ee madaxbannaan ee muraayadaha badan ee qorraxda isku mar.Awoodda bakhtiinta ee dareemaha DC ee xaaladahan Shuruudaha ayaa noqon doona mid sarreeya, isticmaalka kuwan hagaajinta wareegga wareegga DC ee hababka sawir-qaadista waxay yeelan doonaan khataro weyn.

Xulashada saxda ah ee dhowr heerar oo loogu talagalay furayaasha DC

Sidee loo doortaa beddelka saxda ah ee DC ee nidaamka sawir-qaadista?Heerarkan soo socda ayaa loo isticmaali karaa tixraac ahaan:

1. Isku day inaad doorato magacyo waaweyn, gaar ahaan kuwa ka gudbay shahaadada caalamiga ah.

Xakamaynta wareegga wareegga ee Photovoltaic DC waxay inta badan haystaan ​​​​shahaadada Yurub IEC 60947-3 (Heerka guud ee Yurub, oo ay ku xigto inta badan wadamada Aasiya-Pacific), UL 508 (Heerka guud ee Maraykanka), UL508i (Heerka Ameerikaanka ee DC ee nidaamka sawir-qaadista), GB14048.3 (Heerka guud ee gudaha), CAN/CSA-C22.2 (Canadian General Standard), VDE 0660. Waqtigan xaadirka ah, noocyada waaweyn ee caalamiga ah waxay haystaan ​​dhammaan shahaadooyinka kor ku xusan, sida IMO ee Boqortooyada Ingiriiska iyo SANTON ee Nederland.Inta badan noocyada gudaha ayaa hadda dhaafa kaliya heerka caalamiga ah ee IEC 60947-3.

2. Dooro furaha wareegga DC-ga oo leh shaqo-demis wanaagsan.

Saamaynta bakhtiinta ee arc waa mid ka mid ah tilmaamayaasha ugu muhiimsan ee lagu qiimeeyo shilalka DC.Xakamaynta wareegyada dhabta ah ee DC waxay leeyihiin aalado gaar ah oo daminta, kuwaas oo lagu dami karo culeyska.Guud ahaan, naqshadaynta qaab dhismeedka wareegga wareegga dhabta ah ee DC waa mid gaar ah.Gacan-ku-haynta iyo xidhiidhku si toos ah uma xidhna, markaa marka shiduhu shido ama damiyo xidhiidhku si toos ah uma wareego si uu xidhiidhku u gooyo, laakiin il gaar ah ayaa loo adeegsadaa xidhiidhka.Marka gacanku wareego ama u wareego meel gaar ah, dhammaan xidhiidhada waxa ay kiciyaan in ay "si lama filaan ah u furmaan", sidaas awgeed waxay dhalinaysaa fal degdeg ah oo degdeg ah, taas oo ka dhigaysa qaanso mid gaaban.Guud ahaan, qaansada sawirka voltaic DC ee summada safka hore ee caalamiga ah ayaa lagu daminayaa dhowr millise-ilbiriqsi gudahood.Tusaale ahaan, nidaamka SI ee IMO waxa uu sheeganayaa in fallaadhoda lagu damiyo 5 millise seconds gudahood.Si kastaba ha ahaatee, qaansada wareegtada DC-ga ee uu waxka bedelo jebiyeha guud ee wareegga AC waxa uu soconayaa in ka badan 100 millise seconds.

3. U adkeyso danab sare iyo hadda.

Korontada nidaamka guud ee photovoltaic waxay gaari kartaa 1000V (600V ee Maraykanka), iyo hadda u baahan in la gooyo waxay ku xiran tahay astaanta iyo awoodda moduleka, iyo haddii nidaamka photovoltaic ku xiran tahay isku mid ah ama isku xirnaanta madax-bannaan oo badan ( MPPT kanaalka badan).Qulqulka iyo hadda dareemaha DC-ga waxaa lagu go'aamiyaa danabka xargaha iyo hadda isbar-bar-dhigga ee sawirkavoltaic-ka ee u baahan in la gooyo.Tixraac waayo-aragnimada soo socota marka aad dooranayso qalabka korontada ee DC-ga ee sawirka:

Voltage = NS x VOC x 1.15 ( isla'egta 1.1)

Hadda = NP x ISC x 1.25 (Formula 1.2)

Halka NS-tirada batariyada taxanaha ah ee NP-tirada xirmooyinka baytariga oo isbarbar socda

VOC-baytariyada korantada wareegga furan

ISC-gaaban wareegga hadda ee guddi batari

1.15 iyo 1.25 waa isku-dhafan awood leh

Guud ahaan, furayaasha DC ee summada waaweyni waxay goyn karaan nidaamka korantada DC ee 1000V, iyo xitaa naqshadeynta inay ka gooyaan gelinta DC ee 1500V.Noocyada waaweyn ee furayaasha DC waxay inta badan leeyihiin taxane awood sare leh.Tusaale ahaan, ABB's photovoltaic DC shishooyinku waxay leeyihiin boqollaal alaabooyin taxane ah oo ampere ah.IMO waxay diiradda saartaa furayaasha DC ee nidaamyada sawir-qaadista ee la qaybiyay waxayna bixin kartaa 50A, 1500V DC shido.Si kastaba ha ahaatee, qaar ka mid ah soosaarayaasha yar yar guud ahaan waxay bixiyaan oo kaliya 16A, 25A DC, iyo tignoolajiyadeeda iyo tignoolajiyada ay adagtahay inay soo saaraan dableyda DC-ga ee sawir-qaadka leh.

4. Qaabka badeecada waa dhameystiran yahay.

Guud ahaan, noocyada waaweyn ee furayaasha DC waxay leeyihiin noocyo kala duwan oo buuxin kara baahiyaha waqtiyo kala duwan.Waxa jira dibeda, ku dhex-dhisan, terminal kuwaas oo kulmi kara agabyo badan oo MPPT ah oo taxane ah oo isbar-bar socda, leh iyo kuwo aan lahayn quful, iyo kuwo lagu qanco.Rakibado kala duwan siyaalo ay ka mid yihiin rakibaadda salka ( lagu rakibay sanduuqa isku-darka ah iyo golaha awood qaybinta), hal dalool iyo rakibaadda guddi, iwm.

5. Maaddadu waa olol-celin waxayna leedahay difaac heer sare ah.

Guud ahaan, guriyeynta, alaabta jidhka, ama gacanta ee furayaasha DC dhamaantood waa balaastiig, kaas oo leh sifooyin ololaya oo u gaar ah oo inta badan buuxin kara heerka UL94.Daboolida ama jidhka tayada wanaagsan ee dareemaha DC waxay la kulmi kartaa heerka UL 94V0, gacanku wuxuu guud ahaan la kulmaa heerka UL94 V-2.

Marka labaad, loogu talagalay beddelka gudaha DC ee gudaha gudaha beddelka, haddii ay jirto gacan-ku-dhiigle dibadda ah oo la bedeli karo, heerka ilaalinta ee furaha ayaa guud ahaan looga baahan yahay inuu ugu yaraan buuxiyo shuruudaha tijaabada ee heerka ilaalinta mashiinka oo dhan.Waqtigan xaadirka ah, roogayaasha xadhkaha badan ee loo isticmaalo warshadaha (guud ahaan wax ka yar heerka korantada 30kW) guud ahaan waxay la kulmaan heerka ilaalinta IP65 ee mashiinka oo dhan, kaas oo u baahan daaran gudaha DC ah iyo cidhiidhiga guddiga marka mashiinka la rakibo. .Shidayaasha DC ee dibadda ah, haddii lagu rakibo dibadda, waxaa looga baahan yahay inay la kulmaan ugu yaraan heerka ilaalinta IP65.

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Sawirka 2: Shideeyaha DC ee dibadda ah ee samaynta iyo jebinta xadhko badan oo batari madax banaan

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Picture3: Shid dibadda ah oo DC ah oo daara oo damiya xargaha batariyada


Waqtiga boostada: Oct-17-2021

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