Tau 'photovoltaic series' txoj cai: ntau dua li xaim 

Koj hnov ​​"photovoltaic series" thiab tam sim ntawd xav tias panels wired kawg-rau-kawg rau voltage. Thiab yog, uas yog nws nyob saum npoo. Tab sis ua siab ncaj, nws yog qhov twg ntau cov tshuab tau txais kev paub ua ntej lawv txawm pib pib. Nws tsis yog hais txog kev ntaus lub hom phiaj voltage rau koj inverter; Nws yog hais txog kev ntsuas kev ua tau zoo, xav tias kev ntxoov ntxoo, thiab hais ncaj qha, ua tag nrho cov khoom siv kev sib txuam. Kuv tau pom qee qhov kev khawb ntawm lub taub hau tiag tiag, thiab kawm ob peb yam nyuaj.

Lub tswvyim tseem ceeb - thiab qhov twg nws tau txais lo lus qhia

Yog li, a Photuavoltaic Series txoj hlua. Zoo nkauj yooj yim: koj txuas qhov zoo ntawm ib lub module rau qhov tsis zoo ntawm qhov chaw nyob tom ntej, thiab koj pheej mus. Qhov chaw nyob nyob ib yam tam sim no hla txoj hlua, tab sis cov voltages ntxiv nce. Cov xwm txheej zoo tshaj plaws, txoj cai? Txhua lub modules yog zoo ib yam, tau txais tib lub hnub, ib yam kub tib yam. Hauv lub ntiaj teb tiag? Yeej tsis tshwm sim. Yeej tsis. Koj tau txais kev tsim tawm kev thev taus, cov av me me los ntawm kev ua pa roj? Tag nrho cov xwm txheej no pib rub tawm cov kev ua tau zoo ntawm tag nrho cov hlua, qee zaum ntau dua.

Ib qho kev ua txhaum uas kuv tau pom, tshwj xeeb yog cov kev paub tsawg dua li ntau tau rau hauv txoj hlua los tsoo lub inverter qhov chaw siab tshaj plaws DC. Nws zoo li muaj txiaj ntsig ntawm daim ntawv, tsawg dua cov hlua txhais tau tias tsawg dua xaim, txoj cai? Tab sis tom qab ntawd koj khiav mus rau hauv cov teeb meem ntawm cov hnub txias dua thaum qhib hluav taws xob voltage (voc) spikes. Yog tias koj thawb nws ze rau cov inverter qhov max, koj pheej hmoo tripping nws tawm lossis txawm tias ua rau nws ua phem. Koj xav tau taub hau, ib txwm. Xav txog cov crisp, lub caij ntuj no ntshiab; Yog thaum koj pom koj cov hluav taws xob ntau tshaj plaws. Koj yeej xav tau qauv uas cov xwm txheej phem tshaj plaws.

Peb ib zaug muaj ib txoj haujlwm uas cov neeg siv khoom uas hais txog txoj hlua ua kom ntev kom txo cov khoom siv sib txuas ua ke. Zoo li tsim nyog nyob rau lub sijhawm. Tab sis cov modules tau me ntsis sib txawv kev sib txawv vim yog lub rooj sib luag. Dab tsi peb tau txais yog ib rooj plaub ntawm cov hlua tsis ua haujlwm. Tag nrho cov system underperformed, thiab nws tau siv ntau ntawm cov kev kuaj mob los lw nws rov qab. Hauv hindsight, peb yuav tsum tau thawb nyuaj rau ntau dua, cov hlua luv dua, txawm tias nws txhais tau ntau cov xaim thiab me ntsis siab dua upfront cov nqi. Qee lub sij hawm, me ntsis ntxiv upfront siv zog txuag ib tug mob taub hau loj heev hauv txoj kab. Nws tsis yog hais txog cov xaim; Nws yog hais txog kev ua haujlwm-qib-theem uas wiring dictates.

Txoj hlua tsim: tsis yog ib-qhov loj-haum-txhua

Thaum koj tsim koj Photuavoltaic Series, koj tsis yog xaiv ib tus lej tawm ntawm lub kaus mom. Koj sib npaug ntawm inverter qhov nyiaj siab tshaj plaws Thiab tom qab ntawd koj pov hauv cov yam ntxwv module: lawv cov imp, VMP, VOC, thiab kub coefficients. Cov ntsuas kub cov coefficients yog qhov tseem ceeb - lawv qhia koj ntau npaum li cas lub voltage yuav poob rau hnub kub (muaj feem cuam tshuam rau voltage txwv).

Piv txwv li, yog tias koj siv txoj hlua inverter, muaj txhua qhov kev hloov kho hauv a Photuavoltaic Series Txoj hlua ntsib tib qho kev coj ua, tsis muaj ib qho kev ntxoov ntxoo tseem ceeb, yog qhov zoo nkauj tsis muaj kev pom zoo rau kev ua tau zoo. Cov me nyuam lossis cov neeg ua haujlwm zoo los daws qhov no rau qee yam los ntawm kev tso cai qib module, tab sis qhov ntawd yog kev sib tham sib txawv. Thaum koj kawm nruj me ntsis kev hais cov hlua, txhua qhov qauv hauv txoj hlua ntawd uas tsis zoo vim yog kev ua txhaum lossis kev txhaum yuav ua raws li txoj hlua tag nrho. Nws zoo li txoj saw; Nws tsuas yog muaj zog vim nws qhov txuas tsis muaj zog tshaj plaws. Bypass dodes pab, kom paub meej, tab sis lawv tsis magically ua cov duab ntxoo tsim hwj chim.

Ob peb xyoos rov qab, peb yog spec'ing ib qho system rau lub tsev lag luam. Lub ru tsev muaj ntau ntu HVAC uas, thaum tsis pom ncaj qha cov panels rau feem ntau ntawm cov hnub, nrum ntev ntxoov ntxoo thaum lub caij ntuj no, tshwj xeeb tshaj yog nyob rau lub caij ntuj no. Peb pib tsim ob peb txoj hlua ntev. Thaum lub sij hawm commissioning, peb pom tseem ceeb heev lub zog poob thaum sawv ntxov thiab yav tav su. Hloov mus, txawm tias ib nrab duab ntxoov ntxoo creeping thoob plaws hauv ib ob peb txoj hlua hauv ib txoj hlua tau txaus kom tau txais cov kev tawm ntawm txoj hlua tawm. Peb xaus rau kev rov ua dua ib co ntu, rhuav cov hlua uas ntev ntev rau hauv inverter kom txo cov nyhuv. Nws yog ib qho kev kawm kim tshaj plaws hauv duab ntxoo tsom xam. Koj yeej yuav tsum mus taug kev ntawm lub xaib, Daim Ntawv Qhia Duab Ntxoo, thiab pom tias lawv yuav txav li cas txhua hnub thiab xyoo.

Kev ntseeg tau thiab kev txiav txim tu

Los ntawm kev ntseeg tau cov kev ntseeg, koj Photuavoltaic Series kev sib txuas yog qhov tseem ceeb. Txhua lub crimp, txhua MC4 txuas, txhua lub thawv sib txuas nrog lub thawv sib txuas yog qhov tseem ceeb ntawm kev ua tsis tiav. Kuv tau pom cov teeb meem uas tsis muaj feem tseg rov qab mus rau cov khoom sib txuas tsis zoo - xoob cov khoom lag luam, lossis tseem pheej yig cov twj tseem pheej uas tsim nyog hauv UV kis tau. Cov no tsis yog me nyuam phem xwb; Lawv yog cov phom sij hauv hluav taws hauv qhov xwm txheej phem tshaj plaws, thiab twv yuav ua tau zoo tso dej hauv qhov zoo tshaj plaws-rooj plaub.

Ntawd yog qhov twg qhov zoo ntawm cov khoom siv tseem ceeb. Peb ib txwm ua nws tus taw tes los siv cov npe nrov rau peb cov txuas thiab cables. Koj tsuas tsis pheej yig nyob ntawd. Nws yog kev ntxias txiav cov nqi, tab sis dab tsi koj txuag hauv cov khoom, koj yuav them rau kaum kev daws teeb meem, kev kho vaj tse, thiab cov tiam ploj. Hais lus ntawm qhov zoo, fasteners yog lwm qhov tseem ceeb ntawm cov nyom, cia tau tuav txhua yam tuav txhua yam ua ke. Peb tau ua haujlwm nrog HANDAN ZITAI FREWER RAUG UA MOV., Ltd. Rau xyoo, tshwj xeeb tshaj yog rau lawv cov kev ua tshwj xeeb hauv bolts thiab lwm cov txheej txheem txheej txheem xav tau rau cov hom loj ntawm kev teeb tsa loj. Lawv cov khoom ib txwm ua raws li, thiab ua siab ncaj, uas ntseeg tau tias yog ib feem loj ntawm kev ua kom tag nrho cov kab ke ntev. Nws tsis yog lub vaj huam sib luag thiab inverters; Nws yog txhua txhua tus txiv ntseej, ntsia liaj qhov rooj, thiab tshuab ntxhua khaub ncaws uas yuav tsum sawv ntsug rau cov khoom.

Kev saib xyuas ntawm txoj hlua kev ua haujlwm feem ntau cuam tshuam nrog cov teeb meem sib txuas no lossis paub cov qauv underperforming. Cov koob yees duab infrared yog ci ntsa iab rau cov chaw kub me me, uas feem ntau qhia tias tsis ua haujlwm bypass. Tab sis txawm tias ua ntej ntawd, tsuas yog paub koj txoj hlua xav tau voltages thiab cov dej ntws, thiab kuaj xyuas lawv txhua tus, tuaj yeem muab lus ceeb toom rau koj thaum ntxov. Yog tias ib txoj hlua khi tas li qis dua lwm tus, koj paub tias qhov twg pib saib. Nws yog txhua yam txog kev saib xyuas kom meej. Thawj lub installation yog tus yuam sij; Tej luv luv npaum li cas yuav tau haunt koj rau xyoo.

Lub neej tom ntej ntawm txoj hlua khi: ntse Modules thiab MLPE

Thaum lub tswvyim tseem ceeb ntawm a Photuavoltaic Series Txoj hlua tsis mus qhov twg, peb tswj hwm cov hlua ntawd tau hloov kho sai heev. Ntse Modules nrog kev sib xyaw ua kom zoo rau kev ua kom zoo lossis txawm tias micro-inverers tau ua ntau dua, siv tau txhua tus qauv rau hauv nws tus kheej MPP unit. Qhov no drastically txo qhov cuam tshuam ntawm shading thiab mismatch, kev tsim cov hlua tsim cov khoom siv hluav taws xob ntau rau ib qho modutrule. Nws yog kev ua lag luam tawm: Ntau cov khoom siv, tab sis kev ua tau zoo dua thiab feem ntau yooj yim ua txhaum rau hauv qib module.

Txawm tias cov kev txhawb nqa no, nkag siab txog cov qauv ntawm cov hlua ntawm cov hlua dav thiab tam sim no yog qhov tseem ceeb kiag li. Koj tseem yuav tsum tau loj me koj inverter kom raug, suav rau kev hloov kub, thiab xyuas kom koj cov xaim hluav taws xob yog muaj zog. Cov nyom nyuaj, tab sis nws tsis ploj. Rau kev ua lag luam kev lag luam tawm, qhov sib npaug ntawm cov hlua ntev, inverter loj, thiab cov ntawv thov ntawm qib theem fais fab hluav taws xob (MLPE) dhau los ua kev tawm dag zog ntau dua. Koj ib txwm nrhiav cov nqaij qab zib ntawd ntawm lub zog sau lub zog siab tshaj plaws, kev ntseeg tau zoo, thiab tag nrho cov nqi zog. Thiab yog qhov ntawd tiag nws npau rau: Tau txais cov hluav taws xob rau cov phaw, ntseeg tau tias, rau xyoo lawm.