Ese ukeneye igikoresho gikingira indwara yo kwiyongera kw'izuba?
Ndacyibuka impumuro ya pulasitiki yahiye ubwo inverter y'umukiriya yatekeraga mu 2019. Uwo muvuduko umwe wamutwaye 28.000 USD n'ibyumweru bitandatu byo kudakora.
Yego, ukeneye irinda umuvuduko.Inkuba ikubita rimwe cyangwa ikosa rya grid rishobora kohereza volts ibihumbi mu nsinga zawe. Ni byiza SPD Irya icyo gitereko mbere yuko kigera kuri inverter yawe, icyuma gipima umuriro cyangwa batiri. Nabonye ko bikiza ibisenge byose by'izuba.
Ntabwo ubizi neza? Komeza usome. Nzakwereka ibyangiritse by'ukuri, imibare nyayo, n'ibisobanuro nyabyo dukoresha iyo twohereje i Berlin cyangwa i Milan.
Ni iki kibaho hatabayeho igikoresho cyo kurinda indwara?
Nafunguye agasanduku k'icyuma maze PCB isa n'umukara. Umukiriya yatekereje ko ubwishingizi buzamwishyura. Ntabwo byagenze.
Hatabayeho SPD, amashanyarazi arenze urugero ihita izamuka mu cyuma cyawe cya inverter.Capacitor ya DC link iraturika, IGBTs ziragabanuka, maze umugozi wose urahagarara. Umuvuduko umwe wa 1 500 V ushobora guhanagura inverter y'ubucuruzi ya 50 000 USD mu masegonda 0.2.
Isesengura ry'Ibiciro Nyaryo
| Aho Gutakaza | Igiciro Gisanzwe (USD) | Igihe cyo Kuyobora | Ikiguzi Gihishwe |
| Inverter ya 100 kW | 28.000 | Ibyumweru 8–12 | Indwara yatakaye |
| Bateri ya 20 kWh | 14,000 | Ibyumweru 6 | Ongera ushyiremo |
| Igihombo mu musaruro | 4,200 / icyumweru | – | Ingingo z'ibihano |
Impamvu Umuvumbuzi ataguye
Ibice bigabanya umuriro bigira ingaruka gusa ku muvuduko ukabije w’amashanyarazi, ntabwo ari ku muvuduko ukabije w’amashanyarazi. Umuvuduko ushobora kuba 2 000 V ariko 3 A gusa, bityo ikice gikuraho umuriro kiraseka kandi kigakomeza gufunga. Niyo mpamvu ukeneye igikoresho kireba voltage, atari umuriro. SPD ikora ibyo neza: igabanya voltage z’inyongera ku butaka hanyuma igasubiramo.
Imigani itatu numva buri cyumweru
- "Ibyuma byanjye byashyizwe hasi."
Gutera hasi bigabanya voltage yo gukoraho, ariko ntibifunga icyuma gifunga.
- “Nta nkuba ibaho hano.”
Guhindura imiyoboro y'amashanyarazi, capacitor banks, ndetse na moteri zitunganya ascenseur zikora spikes buri munsi.
- "Inverter ifite uburinzi bwubatswemo."
Inyinshi muri MOV zo mu ruganda zigira ingano ya 40 J. Ingano ya 50 000 J iragaragara. Imibare irababaje.
Urubanza rwaturutse i Hamburg, Werurwe 2023
Igisenge cya megawati 2 nta SPD yo hanze cyari gifite. Itera rya kure ryateye 1 200 V ku mugozi wa DC. Inverter yarapfuye, ariko ikiruta byose ni uko umugozi washenye igisenge cya polymer. Amazi yinjiye, maze ikigo cy'ubwishingizi kivuga ko “nta gikorwa cyo kubungabunga.” Amafaranga yishyuwe ni zeru. Nyuma umukiriya yaguze 120 muri 1 000 V DC SPDs zacu kugira ngo yongere kubakwa.
Ikibazo cy'ubushyuhe buhishe
Abahanga benshi bibagirwa ko SPD iba mu gasanduku gato ka IP65 umunsi wose. Izuba ritwika icyuma kugeza kuri 70 °C. Imbere, disiki ya MOV irashyuha cyane. Disiki zihendutse zitangira gusohora umuriro kuri 85 °C. Iyo amazi atangiye gusohoka, ubushyuhe burazamuka, umuriro urazamuka, na disiki iracika. Uruganda rwacu rwongeraho uburyo bwo gushyushya butuma SPD ikora neza kuri 120 °C. Iyi mashini irananirwa, ntabwo ari ngufi, kandi urubuga rwawe rukomeza gukora.
Igihombo cy'ibimenyetso ugereranije n'ingaruka z'inkongi y'umuriro
Abaguzi bamwe bareba gusa urwego rwo kurinda amashanyarazi. Nanone ndeba umutekano w'inkongi. Mu 2021 ububiko bwo mu Buholandi bwahiye kubera ko SPD itazwi yafashwe n'inkongi nyuma y'uko MOV inaniwe kwishyura. Umwishingizi yanze kwishyura kuko SPD nta rutonde rwa UL 1449 rwa 4th Ed. Twagerageje buri cyiciro kuri IEC na UL kugira ngo ubashe gusinzira nijoro.
Uburyo bwo guhitamo uburyo bukwiye bwo kurinda imirasire y'izuba
Umwaka ushize umuguzi yanyoherereje RFQ y'amapaji 20. Umurongo wa mbere wanditseho uti: “SPD ihendutse cyane, 1000 pcs.” Nasibye ubutumwa bwa email.
Huza SPD na voltage ya sisitemu yawe, umuyoboro wa "short-circuit", n'urwego rw'ibyago.Tangira na IEC 61643-31. Hitamo Uc 20% hejuru y'amashanyarazi yawe afunguye. Hanyuma reba Imax: 40 kA ku bisenge, 100 kA ku gipimo cy'ibikoresho. Buri gihe nongeraho umurongo ukoreshwa n'itsinda rya SCADA kugira ngo ribone urugendo.
Imbonerahamwe y'Amahitamo Yihuta
| Ubwoko bwa Sisitemu | Uc (VDC) | Ingano (kA) | Ishuri | Ikirahuri cya kure |
| Igisenge cy'inzu gifite uburebure bwa V 600 | 720 | 40 | II | Yego |
| Umugozi wa V 1000 | 1 200 | 60 | II+III | Yego |
| Akamaro ka 1 500 V | 1 800 | 100 | I+II | Yego |
Uburyo bw'Intambwe ku Ntambwe
- Andika Ijwi ku munsi ukonje cyane.
Ubukonje bwongera ingufu z'amashanyarazi kugeza kuri 15%.
- Ongeraho 20% by'umutekano.
Ibyo biha Uc yawe.
- Kubara uburebure bwa conductor yo hasi.
Niba ndende cyane kurusha metero 10, ongeramo SPD ya kabiri ku ruhande rwa inverter.
- Reba firizi.
SPD igomba kuba ifite fuse igenda neza mbere yuko insinga ishonga. Dukoresha gPV 15 A kuri 4 mm².
- Raporo y'ikizamini cy'ubusabe.
Saba IEC 61643-11 na UL 1449 4th Ed. muri PDF imwe. Nta raporo, nta masezerano.
Ibisobanuro birambuye: Guhunga kw'ubushyuhe
Ibice bya MOV bihendutse bitangira kuva kuri dogere selisiyusi 85. Mu gasanduku k'umukara ka IP65 ku gisenge cya Espagne, ibyo biba buri mpeshyi. Ibice byacu bikoresha amashanyarazi agabanya ubushyuhe kuri dogere selisiyusi 120. SPD yananiwe neza, ntabwo ari ngufi.
Ikosa ku burebure bw'umusatsi
Ndabona abashyiraho ibyuma bakoresha ibyuma biguruka bya cm 30 kuko byihuta cyane. Ibyo byongera 300 V kuri voltage ya let-through. Itegeko ryacu: komeza ibyuma biguruka biri munsi ya cm 15, cyangwa ubihindure kugira ngo uhagarike inductance. Umukiriya umwe yagabanyije ibyuma kuva kuri cm 25 kugeza kuri cm 10 maze abona hejuru bimanuka kuva kuri 1.6 kV kugeza kuri 1.1 kV. Inverter ye yarokotse inkubi y'umuyaga yakurikiyeho.
Guhuza ibikorwa na AC Side
Ntiwibagirwe uruhande rwa AC. Nyuma yuko inverter ihindukiye kuri 400 V AC, uracyakeneye SPD. Dushyira units za AC zo mu cyiciro cya II 275 V ku kibaho kinini. Ku mbuga zifite transformers, twongeramo Class I 25 kA 10/350 µs ku ruhande rwa LV. Gukubita rimwe ku murongo wa MV bishobora gukomeza kugenda.
Impamvu EPCs zikomeye zikoresha imiterere ya Hybrid SPD
Nasuye itsinda rya mbere rya EPC i Milan. Injeniyeri wabo yahinduye SPD maze aravuga ati: “Nta soup ya MOV nshaka mu ruganda rwanjye.”
SPD zo mu bwoko bwa Hybrid zihuza umuyoboro wa gaze wihuta hamwe na MOV ikomeyeUmuyoboro wa gazi ufata 90% bya mbere by’ingufu, bityo MOV igakomeza kuba nziza. Ibisubizo: igihe cy’ubuzima cyikuba gatatu, amashanyarazi amanukaho agabanukaho 30%. Niyo mpamvu Tier-1 EPCs ubu zandika "hybrid gusa" muri BoQ yazo.
Imbere mu gasanduku ka Hybrid
| Urugendo | Igice | Umukoro | Ubuzima (ibitero) |
| 1 | Igikoresho cyo gufata gazi |
| 200 |
| 2 | MOV | Ibisigazwa by'amakampu | 150 |
| 3 | Fuse y'ubushyuhe | Umutekano w'inkongi | Urugendo 1 |
Impamvu ari ingenzi kuri O&M
Buri kamyo igura amadorari 1 200. Iyo SPD imara imyaka 15 aho kuba 5, uzigama amadorari atatu. Ku mubare wa megawati 100 ni 360 000 USD. Amadorari 12 y'inyongera wishyura kuri hybrid ni urusaku.
Ibisobanuro Nabonye muri RFQs za 2024
- Gusohora amazi mu buryo bwa Nominee: 20 kA
- Ingano y'ibisohoka ntarengwa: 100 kA
- Urwego rwo kurinda voltage ruri hejuru:
- Guhuza kure: 250 V 1 A byumye
- Ubushyuhe bwo gukora: –40 °C kugeza +85 °C
- Icyemezo: IEC, UL, TÜV, CE, RoHS
Niba uruganda rwawe rudashobora gushyira mu byiciro buri gasanduku, uba uvuyemo.
Umuyoboro wa Gas Tube vs MOV Ageing Curve
Twakoze ikizamini cya 20 kA 8/20 µs inshuro 200. Igice cya MOV cyuzuye cyazamutseho 38% nyuma yo gushotora 100. Igice cya hybrid cyazamutseho 9% gusa. Ibyo bivuze ko inverter ibona stress ya 400 V nkeya. Mu myaka 20, iryo ni ryo tandukaniro riri hagati y'igihe cy'imyaka 12 inverter imara n'igihe cy'imyaka 6.
Igipimo cy'uburemere
SPD ya 40 kA hybrid ipima 0.8 kg kuko umuyoboro wa gaze wongeramo umuringa na ceramic. Igice cya 40 kA MOV-only gipima 0.4 kg. Niba icyitegererezo cyoroheje, gifungure. Ushobora gusanga kimwe cya kabiri cya disiki za MOV kibuze.
Kuva mu ruganda kugera ku murima: Ni iki gituma umucuruzi wa SPD aba wizeye?
Nigeze kugenzura iduka ryakoreshaga epoxy mu gusiga MOV. Mu mwaka wakurikiyeho, ibiti byaguye ubwo byoherezwaga. Twatakaje 800 mu nyanja.
Umucuruzi wizewe wa SPD afite urunigi rwose: iduka ry'ibyuma, MOV disc press, TIG weld, burn-in, na 100% test.Saba urupapuro rwa QC. Rugomba kwerekana In na Imax kuri buri gice, ntabwo ari icyitegererezo cy'itsinda. Uruganda rwanjye rwo muri Wenzhou rubika ayo makuru mu gihe cy'imyaka 10.
Urutonde rw'ibyo nshaka guha abaguzi ba Jeff-Style
| Ikintu | Ibyo nerekana | Ibendera ritukura |
| Ingano y'uruganda | 2 000 m², ISO 9001 |
|
| Laboratwari y'ibizamini | 8/20 µs, 10/350 µs | 8/20 gusa |
| Gukurikirana | Kode y'uruhererekane + QR | Agapapuro k'amakarita gusa |
| Garanti | Imyaka 5 yuzuye | Umwaka umwe ugereranije n'ibyo umuntu ashaka |
| Imigabane | Ibikoresho 10k byiteguye | MOQ 500, iminsi 60 |
Umupaka w'ibikoresho
Dufite ububiko bw'imigabane i Hamburg. Kontineri yawe ishobora kuva Wenzhou uyu munsi kandi igakurwa kuri gasutamo i Bremerhaven ejo. Nta TVA itaraguzwa kugeza igihe uzaniye ibicuruzwa. Ibyo bigabanya igihe cyawe cyo kwishyura ho iminsi 21.
Kwishyura Bikubereye
Tugabanya 30%, 70% ugereranyije na kopi ya BL. Niba inguzanyo yawe ari >500 k USD / umwaka, twongeraho iminsi 90 OA binyuze muri Sinosure. Ubona float ukeneye, ndabona commande.
Inama ku igenzura
Iyo usuye uruganda, saba kureba MOV ije igenzura. Bagomba gupima 100% bya disiki kugira ngo barebe niba bareba voltage iri kuri 1 mA. Niba bapima 5% gusa, genda. Twanze 3% bya buri gice; niyo mpamvu igipimo cyacu cy'imyaka itanu ari 0.2%.
Ipaki yo gupakira nyuma yo kugurisha
Buri gasanduku kazanwa hamwe na kode ya QR. Kanda kuri scan hanyuma ukareba raporo y'ikizamini, igishushanyo cy'insinga, na videwo yo gushyiramo amasegonda 45. Itsinda ryacu kandi risangiza dosiye ya DXF yo gucukura umuhanda wa DIN. Utuntu duto tugufasha kuzigama isaha imwe ku rubuga.
Politiki y'Ibice by'Ibice by'Ibice
Dusigarana 2% bya buri kontineri nk'iy'ubuntu i Hamburg. Iyo imodoka imwe igiye, twohereza indi mu masaha 48. Ntutegereza kontineri itaha.
Umwanzuro
SPD ya 30 USD ishobora kuzigama inverter ya 50 000 USD. Hitamo ubwoko bukwiye, usabe ikoranabuhanga rya hybrid, kandi urebe uruganda. Nyoherereza ubutumwa uyu munsi, nzakohereza ingero ejo.