Mokhoa oa ho khetha sesebelisoa sa ts'ireletso sa SPD
Lintlha tse 8 tsa bohlokoa tsa ho reka sesebelisoa se sireletsang sa ts'ireletso se tsoang China
Re LSP moetsi oa China ho tloha 2010, tsepamisa maikutlo ho nts'etsopele ea ts'ireletso ea ts'ireletso le tlhahiso ea lisebelisoa tsa ts'ireletso tsa AC DC PV, leka ho sebeletsa bareki ba rona ka lihlahisoa tsa boleng bo holimo.
Haeba o le morekisi oa thepa ea motlakase, moemeli, morekisi, morekisi kapa morekisi, ha o reka AC le DC kapa PV SPDs (lisebelisoa tsa ts'ireletso), o lokela ho tseba lintlha tse 8 tsa bohlokoa tsa ho reka sesebelisoa se sirelletsoang se ka sirelletsoang se ka sirelletsoang (SPD) se tsoang China
1. Lihlahisoa tse tala
(1.1) Metal oxide Varistor - MOV
E le karolo ea mantlha ea li-SPD tse ka hare, ha ho hlokahale hore, boleng ba SPD bo its'etleha haholo boleng ba varistors. Ho hlakile hore sebelisa boleng ba MOV ho ba bohlokoa le ho feta, ho na le li-varistor tsa tšepe tse tummeng tsa brand bakeng sa khetho e kang EPCOS / TDK, Littelfuse, Keko, Varsi…
Letšoao le tsebahalang lefatšeng
| Brand | Photo |
| EPCOS / TDK |  |
| Littelfuse |  |
| Keko |  |
| Varsi |  |
| ... | ... |
Boholo ba China AC & DC e itšireletsa ka mochini o sirelletsang SPD moetsi (fektheri) o sebelisa China ea tšepe ea tšepe oxide varistor (MOV), ho na le cha e mengata bakeng sa khetho. thathamisa tse ling bakeng sa litšupiso.
| Brand | Photo |
| CJP (Changzhou ChuangJie Lighting Protection Co, Ltd.) |  |
| LKD (Longke Elektroniki) |  |
| BCTEQ (Dongguan BCTEQ Electroncis Co, Ltd.) |  |
| KVR (Kestar Elektroniki Co, Ltd.) |  |
| Leytun (Foshan Leytun Electric Co., Ltd.) |  |
| ... | ... |
Kamora hore o khethe mofuta oa varistor (MOV), o tseba joang hore o khetha motlakase o nepahetseng oa MOV? Se ke oa tšoenyeha, a re u tataiseng ho khetha varistor e nepahetseng.
Ha re boneng mekhahlelo ea tekheniki ea MOV pele, thathamisa ka tlase.
Methati ea Teknoloji ea Metal oxide Varistor (MOV)
| ea mohlala | Dintlha tsa ts'ebetso TA= + 25 ℃ | Boleng bo lekantsoeng T = + 85 ℃ | ||||||||
| Varistor gagamalo | Mamello e tloaelehileng | Ho fokotsa matla a motlakase ho IP (8 / 20μs) | Capacitance (1kHz) | Boholo. Voltage e tsoelang pele ea ho sebetsa (UC) | Matla (2ms) | Lahla hona joale IMAX (8 / 20μs) | Rated matla | |||
| VN (V) | △ VN (±%) | VP (V) | IP (A) | C (PF) | VRMS (V) | VDC (V) | WMAX (J) | IMAX (A) | PMAX (W) | |
| EA-34-CJA121S | 120 | 10 | 200 | 300 | 8000 | 75 | 100 | 230 | 40000 | 1.4 |
| EA-34-CJA201S | 205 | 10 | 340 | 300 | 7900 | 130 | 170 | 310 | 40000 | 1.4 |
| EA-34-CJA221S | 220 | 10 | 360 | 300 | 7200 | 140 | 180 | 340 | 40000 | 1.4 |
| EA-34-CJA241S | 240 | 10 | 395 | 300 | 6600 | 150 | 200 | 360 | 40000 | 1.4 |
| EA-34-CJA271S | 270 | 10 | 455 | 300 | 5600 | 175 | 225 | 390 | 40000 | 1.4 |
| EA-34-CJA331S | 330 | 10 | 550 | 300 | 5000 | 210 | 275 | 430 | 40000 | 1.4 |
| EA-34-CJA361S | 360 | 10 | 595 | 300 | 4400 | 230 | 300 | 460 | 40000 | 1.4 |
| EA-34-CJA391S | 390 | 10 | 650 | 300 | 4100 | 250 | 320 | 490 | 40000 | 1.4 |
| EA-34-CJA431S | 430 | 10 | 710 | 300 | 3800 | 275 | 350 | 550 | 40000 | 1.4 |
| EA-34-CJA471S | 470 | 10 | 775 | 300 | 3400 | 300 | 385 | 600 | 40000 | 1.4 |
| EA-34-CJA511S | 510 | 10 | 840 | 300 | 3200 | 320 | 410 | 640 | 40000 | 1.4 |
| EA-34-CJA561S | 560 | 10 | 915 | 300 | 2900 | 350 | 460 | 710 | 40000 | 1.4 |
| EA-34-CJA621S | 620 | 10 | 1025 | 300 | 2600 | 385 | 505 | 800 | 40000 | 1.4 |
| EA-34-CJA681S | 680 | 10 | 1120 | 300 | 2400 | 420 | 560 | 910 | 40000 | 1.4 |
| EA-34-CJA751S | 750 | 10 | 1240 | 300 | 2200 | 460 | 615 | 960 | 40000 | 1.4 |
| EA-34-CJA781S | 780 | 10 | 1290 | 300 | 2100 | 485 | 640 | 930 | 40000 | 1.4 |
| EA-34-CJA821S | 820 | 10 | 1355 | 300 | 2000 | 510 | 670 | 940 | 40000 | 1.4 |
| EA-34-CJA911S | 910 | 10 | 1500 | 300 | 1800 | 550 | 745 | 960 | 40000 | 1.4 |
| EA-34-CJA951S | 950 | 10 | 1500 | 300 | 1700 | 580 | 760 | 1000 | 40000 | 1.4 |
| EA-34-CJA102S | 1000 | 10 | 1650 | 300 | 1600 | 625 | 825 | 1040 | 40000 | 1.4 |
| EA-34-CJA112S | 1100 | 10 | 1815 | 300 | 1500 | 680 | 895 | 1100 | 40000 | 1.4 |
| EA-34-CJA122S | 1200 | 10 | 2000 | 300 | 1300 | 750 | 970 | 1200 | 40000 | 1.4 |
| EA-34-CJA142S | 1400 | 10 | 2290 | 300 | 1100 | 880 | 1150 | 1300 | 40000 | 1.4 |
| EA-34-CJA162S | 1600 | 10 | 2550 | 300 | 1000 | 900 | 1200 | 1400 | 40000 | 1.4 |
| EA-34-CJA182S | 1800 | 10 | 2800 | 300 | 900 | 1000 | 1300 | 1500 | 40000 | 1.4 |
Haeba u batla ho odara SLP40-275 / 4 (UC = 275Vac, IMAX = 40kA), ka kopo bona tafole (re e tšoaea e le khubelu), kholomo ea Boholo. Voltage e tsoelang pele ea ho sebetsa (UC) - VRMS (V), fumana data 275V, re tla fumana mohlala ke EA-34-CJA431S.
PES
CJ: e bolela mofuta oa CJ.
A: e bolela AC
34S: e bolela lisekoere tsa 34mm
431: ho boleloa hore varistor voltage ke 430V
Kamora ho khetha metal oxide varistor (MOV), re ntse re hloka ho ela hloko hore na re ka e beha joang matlong a SPD. ho na le mekhoa e 'meli:
A. kwahelang tlotsitsoeng varistor, hangata a tlotsitsoeng ka 'mala o motala kapa o moputsoa bakeng sa bopaki mongobo.
B. Moetsi e mong oa li-SPD o sebelisa varistor e hlobotseng le contactor, e hloka ho sebelisa epoxy resin ho kenella. U hloka ho tseba hore epoxy resin ha e rate tikoloho, lebitso le tsebahalang la SPD ha le sa etsa joalo.
C. Bakeng sa ho fokotsa litšenyehelo, baetsi ba bang ba li-SPD ba sebelisa varistor e nyane ho nka sebaka sa 34S varistor, ha re nke mohlala, haeba u batla ho reka li-SPD tsa boleng bo phahameng, re ts'epa hore ts'ebetso ea Nominal ea hona joale (8 / 20μs) In = 20kA le Maximum discharge current (8 / 20μs) Imax = 40kA, e lokela ho sebelisa 34S varistor (34 e bolela 34mm; "S" e bolela sekwere), empa ba sebelisa varistor e nyane joalo ka 20D, 25D, 32D ho nka sebaka sa 34S. Thathamisa lintlha tsa mahlale a varistors ka tlase:
| ya data Technical | Lahla hona joale | Boholo ba MOV | Photo |
| Ka lebitso ho tsoa hona joale (8 / 20μs) In | 5 kA | 20D 20MM D: bophara |  |
| Boholo ba ho tsoa hona joale (8 / 20μs) I, max | 10 kA |
| ya data Technical | Lahla hona joale | Boholo ba MOV | Photo |
| Ka lebitso ho tsoa hona joale (8 / 20μs) In | 10 kA | 25D 25MM D: bophara |  |
| Boholo ba ho tsoa hona joale (8 / 20μs) I, max | 20 kA |
| ya data Technical | Lahla hona joale | Boholo ba MOV | Photo |
| Ka lebitso ho tsoa hona joale (8 / 20μs) In | 20 kA | 34S 34MM S: lisekoere |  |
| Boholo ba ho tsoa hona joale (8 / 20μs) I, max | 40 kA |
| ya data Technical | Lahla hona joale | Boholo ba MOV | Photo |
| Ka lebitso ho tsoa hona joale (8 / 20μs) In | 20 kA | 34S 34MM S: lisekoere |  |
| Maqhubu a hona joale (10 / 350μs) Iphe | 7 kA |
| ya data Technical | Lahla hona joale | Boholo ba MOV | Photo |
| Ka lebitso ho tsoa hona joale (8 / 20μs) In | 20 kA | 48S 48MM |  |
| Maqhubu a hona joale (10 / 350μs) Iphe | 12,5 kA |
(1.2) Ha khetha Gas lero lero GDT bakeng NPE palo, lokela ho ela hloko
| ya data Technical | Lahla hona joale | Boholo ba GDT | Photo |
| Ka lebitso ho tsoa hona joale (8 / 20μs) In | 10 kA | Bophara: 8mm |  |
| Boholo ba ho tsoa hona joale (8 / 20μs) I, max | 20 kA |
| ya data Technical | Lahla hona joale | Boholo ba GDT | Photo |
| Ka lebitso ho tsoa hona joale (8 / 20μs) In | 20 kA | Bophara: 16mm |  |
| Boholo ba ho tsoa hona joale (8 / 20μs) I, max | 40 kA |
| ya data Technical | Lahla hona joale | Boholo ba GDT | Photo |
| Ka lebitso ho tsoa hona joale (8 / 20μs) In | 20 kA | Bophara: 30mm |  |
| Maqhubu a hona joale (10 / 350μs) Iphe | 25 kA |
| ya data Technical | Lahla hona joale | Boholo ba GDT | Photo |
| Ka lebitso ho tsoa hona joale (8 / 20μs) In | 20 kA | Bophara: 30mm |  |
| Maqhubu a hona joale (10 / 350μs) Iphe | 50 kA |
| ya data Technical | Lahla hona joale | Boholo ba GDT | Photo |
| Ka lebitso ho tsoa hona joale (8 / 20μs) In | 20 kA | Bophara: 30mm |  |
| Maqhubu a hona joale (10 / 350μs) Iphe | 100 kA |
Moralo oa sebopeho sa kahare
Ho na le li-SPD tse ngata haholo 'marakeng,' me u tla bona ho na le moralo oa sebopeho sa kahare ka mekhoa e 'meli e ka benyang: setaele sa Dehn le setaele sa OBO
Setaele sa OBO:
ha ts'ebetso e kholo ea "surge" e fihla, bophara ba karolo ea khokahano ea tšepe bo moqotetsane haholo, bo ke ke ba mamella 40kA surge ea hona joale.
Setaele sa Dehn:
Ka lebaka la moralo o nang le kahlolo e molemo, e ka mamella mokokotlo oa Imax = 40kA.
(1.4) Matlo a polasetiki
thepa ea boleng ke PA66 kapa nylon bakeng sa thibelo ea mollo.
(1.5) Likarolo tsa tšepe, tšepe ea mantlha e lokela ho ba tšepe ea koporasi, eseng tšepe.
OBO setaele sebelisa tšepe likarolo tšepe:
Mefuta ea Dehn e sebelisa likarolo tsa tšepe tsa cooper:
(1.6) Lintho tse sireletsang tikoloho
Fektheri e 'ngoe e sebelisa epoxy resin ho tiisa. Respo ea epoxy e monko o monate ebile ha e ntle bakeng sa ts'ireletso ea tikoloho le bophelo bo botle.
Re sebelisa "insulation" e koahetsoeng varistor, ha re hloke epoxy resin, ho molemo bakeng sa ts'ireletso ea tikoloho.
2. Production itsamaise
Likarolo tsa tšepe li hokahana le MOV (varistor) e lokela ho ba tjheseletsa ka ts'epahalo. haeba ho tjheseletsa ka letsoho, ho etsahala habonolo ha ho na solder e lekaneng. Kahoo tjheseletsa jarolla ka ho iketsa ka boloka boleng ba sehlahisoa tumellano. https://www.youtube.com/watch?v=RHwNJv8hobE
3. Laboratori le liteko
Joaloka moetsi oa li-SPD, o tlameha ho ba le lisebelisoa tse felletseng tsa ho etsa liteko ho lekola sehlahisoa hore na se sebetsa tumellanong le:
| litekanyetso tsa | Items | Sehlopha sa liteko / Sehlopha sa Teko |
| IEC61643-11: 2011 | Li-SPD tsa AC | Sehlopha sa I, I + II, II, II + III |
| EN61643-11: 2012 | Li-SPD tsa AC | Tlanya 1, 1 + 2, 2, 2 + 3 / T1, T1 + T2, T2, T2 + T3 |
| IEC61643-31: 2018 | Li-PD SPD | Sehlopha sa I + II, II |
| EN50539-11: 2013 | Li-PD SPD | Tlanya 1 + 2, Mofuta oa 2 / T1 + T2, T2 |
Litekanyetso tsa AC le tlhahlobo ea liteko:
| EN 61643-11: 2012 | IEC 61643-11: 2011 | VDE 0675-6-11: 2002 | In (80 / 20μs) | I, max (8 / 20μs) | Iphe (10 / 350μs) | Uoc (1.2 / 50μs) |
| T1 | Sehlopha sa I | Sehlopha sa B | 25 kA | 65 kA | 25 kA | / |
| T1 + T2 | Sehlopha sa I + II | Sehlopha sa B + C. | 12.5 ~ 20 kA | 50 kA | 7 kA | / |
| 12.5kA | ||||||
| T2 | Sehlopha sa II | Sehlopha sa C | 20 kA | 40kA | / | / |
| T2 + T3 (kapa T3) | Sehlopha sa II + III (kapa III) | Sehlopha sa C + D (kapa D) | 10 kA | 20kA | / | 10 kV 6 kV |
Litekanyetso tsa PV SPD le tlhahlobo ea liteko:
| EN 50539-11: 2013 | IEC 61643-31: 2018 | VDE 0675-39-11: 2013 | In (80 / 20μs) | I, max (8 / 20μs) | Iphe (10 / 350μs) |
| T1 + T2 | Sehlopha sa I + II | Sehlopha sa B + C. | 20 kA | 40 kA | 6.25 kA / palo Ikakaretsomatla: 12.5kA |
| T2 | Sehlopha sa II | Sehlopha sa C | 20 kA | 40kA | / |
Re na le lenane la lisebelisoa tsa liteko tse ka tlase:
(1) Jenereithara e ntseng e eketseha (Imax ho fihlela 150kA [8 / 20μs]; Iimp ho fihlela 25kA [10 / 350μs])
(2) Motsoako oa maqhubu a motlakase oa 1.2 / 50μs le jenereithara ea hajoale (Uoc: 6kV [1.2 / 50μs]; Imax 4kA [8 / 20μs])
(3) Thermal botsitso mohlahlobi
4. Tsamaiso ea kokoano
5. Setifikeiti:
- Lintho tse bonahalang: RoHS
- Tsamaiso: ISO9001: 2015
- Ts'ireletso ea tikoloho: ISO14001: 2015
- Tlhahlobo ea Bophelo le Polokeho Mosebetsing: OHSAS18001
- Tlaleho ea tlhahlobo ea mofuta oa sehlahisoa e nang le matla le setifikeiti, joalo ka TUV, CB, CE, EAC, RoHS
https://www.lsp-international.com/tuv-cb-ce-eac-rohs-certificate-for-spd/
IEC 61643-11: 2011 / EN 61643-11: 2012 standard - Na lisebelisoa tsa hau tsa Protective Devices (SPDs) li lekoa ebile li lumellana?
Lisebelisoa tsa Ts'ireletso li Lokela ho Kopana le Litekanyetso
IEC 61643-11: 2011 / EN 61643-11: 2012 Lisebelisoa tse sireletsang matla a tlase a matla - Karolo ea 11 Lisebelisoa tse sireletsang tse hokahantsoeng le sistimi ea motlakase o tlase - Litlhoko le mekhoa ea liteko
Lisebelisoa tsa ts'ireletso (SPDs) li tlameha ho fana ka likarolo tse hlalositsoeng tsa ts'ireletso le likarolo tsa ts'ebetso hore li tšoanelehe ho sebelisoa mehopolong e ts'oanang ea ts'ireletso. Kahoo, lia ntlafatsoa, li lekoa ebe li aroloa ho latela letoto la litekanyetso tsa lihlahisoa tsa machabeng.
Lisebelisoa tsa ho itšireletsa tse hokahantsoeng le sistimi ea motlakase o tlase li tlas'a litlhoko le mekhoa ea liteko e boletsoeng ke IEC 61643-11: 2011 / EN 61643-11: 2012 standard.
Letšoao la 'nete la boleng ke setifikeiti sa sehlahisoa le tumello ho tsoa setsing se ikemetseng sa liteko. Sena se tiisa phethahatso ea maemo a morao-rao a sehlahisoa sa sehlahisoa ho netefatsa polokeho e phahameng le bots'epehi ba li-SPD. Litlhokahalo tsa taolo tse behiloeng ho li-SPD hangata li hloka liteko tse rarahaneng haholo tseo e leng li laboratori tse 'maloa feela tsa liteko lefatšeng tse nang le bokhoni bo phethahetseng ba ho li etsa.
U tseba joang?
Boleng le ts'ebetso ea lisebelisoa tsa ts'ireletso li thata hore moreki a li hlahlobe. Ts'ebetso e nepahetseng e ka lekoa feela lilaboratoring tse loketseng. Ntle le ponahalo ea kantle le li-haptics, ke lintlha tsa tekheniki tse fanoeng ke moetsi feela tse ka fanang ka tataiso. Habohlokoa le ho feta ke polelo e tšepahalang e tsoang ho moetsi le setifikeiti / tumello mabapi le ts'ebetso ea SPD le ho etsoa ha liteko tse boletsoeng maemong a fapaneng a sehlahisoa ho tloha letotong IEC 61643-11: 2011 / EN 61643-11: 2012
Thathamisa setifikeiti se tsamaellanang le maemo
| litekanyetso tsa | Sehlopha sa liteko | tiiseletswe |
| IEC 61643-11: 2011 | Sehlopha sa I, I + II, II, II + III | CB |
| EN 61643-11: 2012 | T1, T1 + T2, T2, T2 + T3 | TUV-letšoao, KEMA, CE |
| UL 1449 4 | T1, T2, T3, T4, T5 | UL, ETL, cTUVus |
6. Nako ea ho ngolisa fektheri le mohala o ka sehloohong oa sehlahisoa.
(6.1) Ha e lokela ho hlahloba laesense ea khoebo ea moetsi, e tsepamisitse maikutlo nako e telele ho mabone le tšimong ea ts'ireletso, ho bolela hore feme e sebetsa haholo.
(6.2) Mohala o moholo oa sehlahisoa. mofani oa thepa ea litsebi o lokela ho shebana le tšimo ea lehalima le tšireletso. Mohala oa sehlahisoa o ka kenyelletsa:
Sistimi ea phepelo ea motlakase ea AC le DC e sebelisa lisebelisoa tse sireletsang
Mosireletsi oa ts'ireletso ea data / signal
Lisebelisoa tsa ts'ireletso ea ts'ireletso ea RF coaxial
D. Lere la mabone, khaontare ea ketsahalo ea lehalima, molamu oa lefatše, mokhanni oa fatše joalo-joalo.
7. Tiisetso ea Sehlahisoa
Lebitso le tsebahalang le kang Dehn, OBO, ba fana ka waranti ea lilemo tse 5. haeba moetsi a netefatsa hore o fana ka sehlahisoa sa boleng bo holimo, e lokela ho fana ka waranti ea lilemo tse 3-5.
8. Sephutheloana
Eng kapa eng eo e leng mofuta oa feme kapa OEM, moetsi o lokela ho fana ka setempe se nepahetseng (serigraphy), sephutheloana (lebokose le lebokose), pampiri kapa bukana ea elektroniki (litaelo tsa ho kenya)
Mokhoa oa ho khetha sesebelisoa sa ts'ireletso sa SPD, Lintlha tsena tse 8 tsa bohlokoa tsa ho reka sesebelisoa se sireletsang sa ts'ireletso se tsoang China, ke ts'epa hore se tla thusa.
Re k'hamphani ea lelapa mme re ntse re fana ka lisebelisoa tsa ts'ireletso (SPD) lefats'eng ka lilemo tse fetang 10. Re na le lipatlisiso le nts'etsopele ea rona, tlhahiso, tšehetso ea tekheniki le liteko tsa laboratori hape.
LSP ha e hlahisoe feela bakeng sa meaho ea bolulo le eo e seng ea bolulo, empa le bakeng sa lits'ebetso tsa indasteri tse kang lipeipi tsa oli, lipeipi tsa khase, photovoltaics, liteishene tsa motlakase le literene. Lihlahisoa tsa rona li sireletsa ho tsoa ho theknoloji e fapaneng, mechini, lisebelisoa le lisebelisoa lefats'eng lohle.
Re boetse re theha le ho etsa lisebelisoa tsa ho lekola li-insulation (IMD) bakeng sa marang-rang a ikhethileng a phepelo ea motlakase oa IT. Re fana ka tharollo e akaretsang, e rarahaneng ea A to Z bakeng sa ho lekola boemo ba ho itšireletsa lipetlele, indastering le lits'ebetsong tse khethehileng.
Ha re iketse eka re ka etsa tsohle, haeba ho na le lipotso le tlhahiso mabapi le lintho tsa SPD, sehlopha sa rona sa litsebi tse nang le boiphihlelo se tla thabela ho araba lipotso tsa hau le ho u fumanela sehlahisoa se loketseng.
