Kev Tiv Thaiv Surge rau EV Chargers?
Kuv tseem nco qab tus neeg siv khoom German hu xov tooj tuaj—ib qho kev tawm tsam ua rau 12 lub EV chargers tuag, thiab daim nqi kho mob hnyav dua li kuv thawj zaug sib tsoo tsheb.
Yog, kev tiv thaiv hluav taws xob tseem ceeb heev rau cov EV chargers vim tias ib qho xob laim ntaus tuaj yeem ua rau cov modules fais fab, cov laug cam sib txuas lus, thiab cov dc connectors uas raug nqi ntau txhiab los hloov. Kuv xa cov SPDs uas tau kuaj IEC mus rau cov chaw tsim charger txhua lub lim tiam.
Yog koj paub qhov twg cov hluav taws xob nkag mus thiab qhov twg SPD haum, koj tuaj yeem txo lub sijhawm tsis ua haujlwm thiab ua rau cov neeg tsav tsheb zoo siab.
Puas Yog Kev Tiv Thaiv Surge rau EV Chargers Tsim Nyog?
Kuv taug kev hauv ib qho chaw hauv Spain uas ib qho kev tawm tsam raug 16 lub chaw them roj thiab ob hnub ntawm kev muag khoom poob - cov tsav tsheb tseem qhia cov kev tshuaj xyuas tsis zoo hauv online.
Kev tiv thaiv hluav taws xob ntau dhau yog qhov tsim nyog rau cov EV chargers vim tias qhov ceev ceev 6 kV spike yuav tua cov power modules, dc contactors, thiab comm boards uas kim thiab qeeb hloov. Kuv teeb SPDs rau txhua lub charger tshiab.
Qhov twg Kev nce siab nkag mus rau hauv EV Charger
Lub charger zoo li lub thawv hlau loj, tab sis nws muaj plaub lub qhov rooj rau kev them hluav taws xob ntau dhau: lub hwj chim ac, lub cable dc tso zis, kab ntaub ntawv mus rau tom qab, thiab lub antenna rau 4 G. Xob laim tuaj yeem ntaus lub grid deb 2 km thiab tseem thawb 4 kV mus rau hauv cov terminals ac. Tus tsav tsheb dov ntawm cov log tsheb roj hmab tuaj yeem rub static mus rau hauv lub ntsaws dc. Kuv tau pom 2 kV ntawm lub tsheb npav dc tsuas yog los ntawm lub tsheb hluav taws xob. Yog tias lub charger sib koom lub feeder nrog lub cev muaj zog loj, lub cev muaj zog nres yuav thawb lub zog rov qab mus rau tib txoj kab. Txhua txoj kev xav tau nws tus kheej tus neeg zov.
Dab tsi tuag ua ntej hauv lub Charger
Qhov tsis muaj zog tshaj plaws yog lub zog fais fab 12 V dc uas pub rau lub kauj contactor. Nws tuag thaum muaj hluav taws xob 40 V. Tom ntej no yog lub CAN transceiver uas tham nrog lub tsheb; nws tuag thaum muaj hluav taws xob 30 V. Lub zog fais fab IGBT muaj zog 1.2 kV tab sis tawg thaum muaj hluav taws xob 1.6 kV. Muaj ib qho tawg hauv Milan uas tua tag nrho peb lub ntawm 8 tus ncej. Tus nqi yog € 28,400 ntxiv rau ob hnub ntawm kev poob muag khoom. Ib qho SPD € 90 ntawm txhua lub feeder yuav tau txuag tau ntau.
Tus nqi ntawm Ib Qho Kev Tawm Tsam vs Ib Qho SPD
| Qhov Chaw Them Khoom | Tus nqi hloov pauv | Cov Sijhawm Ua Haujlwm | Kev Muag Khoom Poob Lawm/Hnub | Tag Nrho Kev Ntaus |
| 12 V khoom siv | €180 | 1 | €400 | €580 |
| CAN pawg thawj coj saib xyuas | €220 | 2 | €400 | €620 |
| Lub hwj chim module | €1,800 | 4 | €400 | €2,200 |
| Lub charger puv | €8,000 | 8 | €800 | €8,800 |
| SPD 40 kA | €90 | 0.5 | €0 | €90 |
Lub rooj qhia tau hais tias ib qho tsis ua haujlwm raug nqi ntau dua kaum SPDs.
Kev Pheej Hmoo Zais Cia: Kev Pov Hwm Tsis Muaj Dab Tsi
Feem ntau cov chaw tsim khoom siv charger yuav tsis lees txais daim ntawv pov thawj lav yog tias qhov chaw tsis muaj SPD hauv 10 m. Cov lus cog tseg nyob rau nplooj ntawv 14 ntawm phau ntawv qhia, yog li ntau tus neeg yuav khoom tsis nco qab nws. Thaum lub module hlawv, tus tsim khoom thov kom muaj daim duab ntawm lub vaj huam sib luag. Tsis muaj SPD txhais tau tias tsis muaj kev hloov pauv dawb. Kuv xa cov neeg yuav khoom ib daim qauv ntawm cov lus cog tseg thiab qhov txuas mus rau peb lub DIN rail unit. Lawv ntxiv qhov khoom thiab ua kom daim ntawv pov thawj lav nyob.
Lub Sijhawm Ua Haujlwm ntawm Qhov Chaw thiab Kev Ntseeg Siab ntawm Tus Tsav Tsheb
Cov neeg tsav tsheb EV siv cov apps uas qhia txog qhov xwm txheej tam sim no. Yog tias koj lub charger offline rau ob hnub, lub app yuav tso koj lub xaib rau hauv qab ntawm daim ntawv teev npe. Cov neeg tuaj xyuas poob 30%. Ib qho kev tawm tsam tsis zoo tuaj yeem tshem tawm ROI ntawm tag nrho lub xaib. Ib qho SPD me me ua rau lub charger online thiab koj lub hom lag luam nyob hauv tus neeg tsav tsheb lub siab.
Cov EV chargers puas muaj kev tiv thaiv hluav taws xob?
Xyoo tas los kuv tau qhib kaum lub hom charger—ib nrab tsuas muaj lub fuse thiab luag ntxhi xwb.
Feem ntau cov EV chargers xa nrog cov fuses yooj yim thiab TVS diodes uas tsuas yog tswj cov spikes me me xwb. Yog xav tau lub zog xob laim tiag tiag, koj xav tau lub SPD sab nraud ntsia rau ntawm lub feeder. Kuv ntxiv lawv rau txhua qhov kev teeb tsa.
Lub Hoobkas Muab Dab Tsi Tso Rau Hauv
Feem ntau sab ac muaj lub fuse iav 20 A thiab lub varistor hlau-oxide 275 V loj npaum li lub npib. Lub MOV ntawd tuaj yeem siv 1.5 kA ib zaug, tom qab ntawd nws tuag. Sab dc tsis muaj dab tsi vim tias tus tsim khoom ntseeg siab rau lub tsheb kom tiv thaiv nws tus kheej. Lub rooj tsavxwm comm yuav muaj lub diode TVS me me zoo rau 200 W. Kev tawm tsam ncaj qha 40 kA xa 100 npaug ntawm lub zog ntawd. Cov khoom ua ke ua haujlwm zoo li txoj siv sia hauv kev sib tsoo dav hlau - lawv pab, tab sis lawv tsis cawm hnub.
Cov Lus Qhia Txog Qhov Ua Tau Hauv vs Xav Tau
| Txoj Kev | Hoobkas Qhov | Kev Ntsuas Surge | Kev hem thawj tiag tiag | Qhov tshwm sim |
| THIAB LN | 20 hli MOV | 1.5 kA | 40 kA | Tuag lawm |
| DC + - | Tsis muaj dab tsi | 0 | 10 kA | Tuag lawm |
| Kev Sib Txuas Lus CAN | TVS 200 W | 200 W | 500 W | Tuag lawm |
| AC nrog SPD | 40 kA MOV | 40 kA | 40 kA | Tseem muaj sia nyob |
Vim Li Cas Cov Neeg Tsim Khoom Thiaj Li Ua Kom Nws Sib Tw
Txoj cai ntawm tus nqi thiab qhov chaw. Ib lub SPD ntxiv €90 thiab 72 hli ntawm DIN rail. Hauv kev sib ntaus sib tua nqi, qhov ntawd txaus kom poob tus nqi twv. Cov neeg tsim khoom ntseeg tus kws hluav taws xob hauv qhov chaw kom ntxiv qhov seem. Phau ntawv qhia txawm qhia daim duab qhia txog kev sib txuas nrog lub qhov SPD khoob. Kuv qhia cov neeg yuav khoom: lub charger yog ib nrab ntawm cov khoom; lub chaw SPD yog ib nrab ntxiv.
Daim Ntawv Pov Thawj Tseem Thov Kom Muaj SPD Sab Nraud
Lub charger tej zaum yuav nqa tau CE lossis UL, tab sis daim ntawv pov thawj tau ua tiav hauv chav kuaj huv si nrog 2 kV combo waves. Xob laim tiag tiag yog 6 kV thiab 40 kA. Lub tsev kuaj paub qhov no, yog li lawv sau "external SPD required" hauv daim ntawv qhia. Kuv theej kab ntawd rau hauv kuv cov lus hais kom tus neeg yuav khoom pom tib cov ntawv ob zaug. Nws ntxiv qhov seem thiab peb ob leeg pw tsaug zog zoo.
Yuav ua li cas yog tias tsis muaj kev tiv thaiv hluav taws xob rau EV Chargers?
Kuv khaws ib daim duab ntawm lub contactor dc uas yaj lawm—cov tsav tsheb yuav tsum thawb lub tsheb kom deb ntawm qhov chaw haus luam yeeb.
Yog tsis muaj kev tiv thaiv hluav taws xob ntau dhau, tsuas yog ib qho hluav taws xob xwb yuav tua cov modules fais fab, contactors, thiab comm boards. Lub charger tsaus ntuj nti, cov tsav tsheb tawm cov lus qhuas tsis zoo, thiab koj poob kev muag khoom kom txog thaum cov khoom tshiab tuaj txog. Kuv pom qhov no txhua lub caij cua daj cua dub.
Qhov Teeb Meem Tseeb: Qhov Chaw Loj hauv Ltalis
Muaj nees nkaum tus ncej nyob saum lub chaw pub hluav taws xob saum roob. Xob laim ntaus lub grid deb li 3 km. Lub spike tau ua rau cov kab hluav taws xob hla mus rau hauv txhua lub charger. Txhua lub dc contactor tau vuam kaw, thiab cov IGBTs tseem ceeb tau tawg. Qhov chaw tsaus ntuj rau tsib hnub. Cov khoom siv raug nqi € 42,000, kev poob muag ntxiv € 15,000, thiab tus neeg ua haujlwm tau them tus nqi nplua rau txoj cai kev loj. Ib pawg € 1,800 ntawm SPDs yuav ua rau qhov chaw tseem muaj sia nyob.
Kev Pheej Hmoo Hluav Taws Kub Hauv Lub Txee
Thaum lub MOV hauv lub charger tsis ua haujlwm lawm, nws tuaj yeem rub tau 100 A kom txog thaum lub breaker tseem ceeb tsis ua haujlwm. Qhov kub ua rau cov yas yaj thiab ua rau hmoov av kub hnyiab. Muaj ib qho chaw hauv Texas uas lub charger kub hnyiab rau hauv av. Daim ntawv qhia ntawm pawg tua hluav taws tau teev tias "kev cuam tshuam los ntawm kev nce siab" ua qhov ua rau. Kev pov hwm tsis kam them nyiaj vim tsis muaj SPD sab nraud tau teeb tsa. Ib feem € 90 yuav cawm tau lub charger € 12,000 thiab lub tsev pheeb suab € 50,000.
Cov Lus Qhia Txog Qhov Tsis Ua Tiav Kuv Tau Sau Tseg
| Qhov chaw | Cov khoom siv them fais | Kev Tawm Tsam Nrug Deb | Cov Khoom Poob Lawm | Hnub Poob |
| Kev Loj IT | 20 | 3 km | 20 lub rooj tsavxwm dc | 5 |
| Mall DE | 6 | 1 km | 6 cov khoom siv ac | 2 |
| Lub nroog UK | 4 | 0.5 km | 4 lub rooj sib tham | 1 |
| Nrog SPD | Txhua yam | Txhua yam | 0 | 0 |
Kev Tawm Tsam Los Ntawm Tus Tsav Tsheb Thiab Cov Nyiaj Tau Los Uas Poob Lawm
Cov neeg tsav tsheb EV siv cov apps uas qhia txog qhov xwm txheej tam sim no. Yog tias koj cov ntawv tshaj tawm tsis ua haujlwm rau ob hnub, lub app yuav tso koj mus rau hauv qab ntawm daim ntawv teev npe. Cov neeg tuaj yeem poob 30%. Ib qho kev tawm tsam tsis zoo tuaj yeem tshem tawm ROI ntawm tag nrho lub xaib. Ib qho SPD me me ua rau lub charger online thiab koj lub hom lag luam nyob hauv tus neeg tsav tsheb lub siab.
Kev Raug Cai Lij Choj
Muaj tej lub vev xaib uas muaj daim ntawv cog lus tias yuav muab khoom siv tau 97% ntawm lub sijhawm ua haujlwm. Yog tias muaj kev kub ntxhov ntau dhau, koj yuav raug nplua. Ib tus neeg teb xov tooj tau them € 8,000 tom qab muaj kev tawm tsam. Tus nqi ntawm SPD tsawg dua li ib hlis ntawm kev nplua. Kuv ntxiv kab lus rau kuv tsab ntawv thov kom tus neeg yuav khoom pom qhov kev pheej hmoo hauv cov nyiaj ntsuab.
Kev Tiv Thaiv Surge rau EV Chargers Phau Ntawv Qhia: SPD Hom & Daim Ntawv Thov Scenarios?
Kuv muab daim ntawv qhia ib nplooj ntawv rau txhua qhov chaw: Hom 1 ntawm qhov chaw pub khoom noj, Hom 2 ntawm qhov chaw them hluav taws xob, Hom 3 ntawm lub thawv sib txuas lus—yooj yim thiab muaj kev nyab xeeb.
Siv Hom 1 ntawm lub rooj tsavxwm loj rau xob laim, Hom 2 ntawm cov vaj huam sib luag them fais fab rau kev nce siab, thiab Hom 3 ntawm cov kab sib txuas lus rau cov rooj tsavxwm qis. Kuv xa cov khoom siv nrog cov ntawv lo kom cov neeg ua haujlwm tsis tuaj yeem sib xyaw ua ke.
AC Feeder: Hom 1 + 2 40 kA
Lub switchboard tseem ceeb pom kev tawm tsam ncaj qha. Peb siv lub 40 kA 8/20 µs MOV block nrog lub 25 kA 10/350 µs impulse tube hauv tib rooj plaub. Lub unit clamps ntawm 1.2 kV thiab haum rau 36 hli DIN rail. Kuv ntxiv ib lub chij pom thiab ib qho kev sib cuag deb. Cov xov hlau sib cuag rau qhov chaw SCADA kom tus tswv paub thaum twg qhov khoom nkees.
Charger Sub-Panel: Hom 2 20 kA
Txhua kab ntawm cov chargers muaj nws tus kheej breaker. Peb ntxiv 20 kA Hom 2 tom qab lub breaker. Tus xov hlau mus rau lub charger yuav tsum nyob hauv qab 10 m. Yog tias qhov khiav ntev dua, peb ntxiv lwm Hom 3 ntawm lub hauv paus charger. Qhov seem yog plug-in, yog li cov kws kho tshuab hloov nws nyob. Ib qho chaw hauv Fabkis tau hloov 6 units hauv 15 feeb thaum lub sijhawm so noj su.
DC Tso Tawm: Hom 2 600 V dc
Lub xov hluav taws xob dc khiav sab nraud thiab ua haujlwm zoo li lub kav hlau txais xov. Peb siv 600 V dc Hom 2 uas teeb tsa hauv lub thawv polycarbonate ntawm tus ncej. Qhov khoom clamps ntawm 1.2 kV thiab tuaj yeem nqa 20 kA. Nws cov xov hlau ntawm lub contactor thiab lub qhov (socket) tsheb. Lub LED ntsuab qhia OK; liab txhais tau tias pauv. Kuv khaws 500 pcs hauv Hamburg rau kev xa khoom hnub tom qab.
Cov Lus Qhia Txog Daim Ntawv Xaiv Los Ntawm Qhov Chaw
| Qhov chaw | Kev hem thawj | Hom SPD | Cov Lus Qhia Tshwj Xeeb | Mount |
| Lub Rooj Tswjhwm Tseem Ceeb | Xob laim | Hom 1 + 2 | 40 kA 8/20 | DIN tsheb ciav hlau |
| Kab ntawm lub tshuab them fais | Ua rau muaj kev cuam tshuam | Hom 2 | 20 kA 8/20 | DIN tsheb ciav hlau |
| DC tso zis | Static | Hom 2 dc | 20 kA 8/20 | Lub thawv xa ntawv |
| Kab sib txuas lus | Qis V | Hom 3 | 5 kA 8/20 | RJ45 hauv |
Cov Khoom Siv Hluav Taws Xob Uas Muaj Hnub Ci
Muaj tej qhov chaw ntxiv PV rau ntawm lub ru tsev. Tib qho kev tawm tsam tuaj yeem ntaus cov kab hnub ci thiab dhia mus rau lub charger dc bus. Peb siv 1,000 V dc SPD ntawm lub hnub ci combiner thiab 600 V dc SPD ntawm lub charger. Ob qhov sib koom tib lub ntiaj teb bar yog li voltage tseem sib npaug. Kuv muag ob-pob nrog ib tus lej qhov chaw kom tus neeg yuav khoom tsis tuaj yeem hnov qab ib sab.
Kev Tiv Thaiv Surge rau EV Chargers Kev Txij Nkawm & Kev Tswj Xyuas?
Kuv muab txhua lub xaib daim ntawv teev npe tsib kab: saib, nyem, pauv, teev cia, pib dua—ua tiav hauv qab ob feeb.
Kev kho yooj yim heev: xyuas cov LEDs txhua hli, hloov cov cartridges uas tuag lawm, thiab sau hnub tim. Kuv xa cov pob khoom seem thiab daim ntawv teev cia kom pab neeg ua haujlwm hauv qhov chaw tsis txhob hu rau kuv kom pauv yooj yim.
Kev Kuaj Xyuas Txhua Hli
Tus kws kho tshuab ntawm qhov chaw taug kev hauv kab thiab suav cov LEDs ntsuab. Lub qhov rais liab txhais tau tias MOV tau siav lawm. Nws sau cov serial hauv cov cav thiab pauv lub cartridge thaum lub sijhawm so tom ntej. Ib tus neeg ua haujlwm hauv UK muaj 200 tus ncej; kev taug kev siv sijhawm 30 feeb thiab ntes tau 2-3 lub units tuag txhua hli. Lub charger nyob online thiab tus tsav tsheb yeej tsis pom qhov txhaum.
Kev Teeb Liab Chaw Taws Teeb rau Cov Chaw Loj
Ntawm cov kev loj, peb txuas SPD qhuav rau SCADA uas twb muaj lawm. Ib lub cim liab ntawm HMI hais tias "SPD tuag lawm." Chav tswj hwm xa email rau peb, peb xa ib qho seem, thiab tus kws kho tshuab hloov nws rau lub sijhawm ua haujlwm tom ntej. Lub sijhawm tsis ua haujlwm poob qis los ntawm teev mus rau feeb. Kuv them $ 1.50 ntxiv rau lub micro-switch thiab txuag tus neeg yuav khoom $ 500 hauv kev poob muag.
Rooj ntawm MTTR los ntawm Kev Tsim
| Tsim Qauv | Lub Sijhawm Sib Hloov | Cov cuab yeej | Nyob Sib Pauv? | Lub sijhawm tsis ua haujlwm |
| Plug-in | 30 vib nas this | Tsis muaj dab tsi | Yog | xoom |
| Hlau nplaum | 10 feeb | Lub tshuab ntsia hlau | Tsis yog | 10 feeb |
| Nrog lub teeb liab | 30 vib nas this | Tsis muaj dab tsi | Yog | xoom |
| Tsis muaj khoom seem | 2 hnub | Kev txiav txim + xa khoom | Tsis yog | 48 teev |
Tshuag ntawm Spare Cartridges
Kuv muab ib lub thawv yas uas muaj 10 lub raj mis thiab cov khoom siv rau hauv chav pabcuam. Lub thawv muaj QR code; tus kws kho tshuab yuav luam theej duab thiab peb xa cov tshuaj ntxiv rau tib hnub. Muaj ib lub chaw siv 6 lub raj mis hauv ib xyoos uas muaj cua daj cua dub thiab yeej tsis tau tos lub tsheb thauj khoom. Lub thawv raug nqi $8 thiab txuag tau ib zaug hu xov tooj pabcuam uas muaj nqis $200.
Kev suav lub neej thiab qhov kawg ntawm lub neej
Txhua lub cartridge kav ntev li 20 lub hits loj. Peb ntxiv tus lej rau ntawm sab kom tus kws kho tshuab tuaj yeem sau cov hits los ntawm lub tshuab ntsuas qhov chaw. Thaum suav tau 18, peb xa ib lub tshiab. Tus neeg npaj pom qhov sib txawv thiab ntxiv qhov seem rau hauv PO tom ntej. Tsis txhob maj, tsis txhob ua haujlwm dhau sijhawm, tsis txhob tsav tsheb npau taws.
Xaus lus
Haum Hom 1 + 2 + 3 SPDs, xyuas cov LEDs txhua hli, thiab hloov cov cartridges sai sai - koj cov chargers nyob online thiab koj cov tsav tsheb nyob zoo siab.