Iingozi Ezinkulu Kwiindawo Zoshishino
Kwizakhiwo zanamhlanje zoshishino, iinkqubo zombane zijongene nobunzima obungenakuthelekiswa nanto. Ukusuka kwizixhobo zokuvelisa ngokuchanekileyo ukuya kwiinkqubo zolawulo ezintsonkothileyo, naluphi na utshintsho lwe-voltage lunokubangela iziphumo ezibi kakhulu. Ii-voltage ezikhawulezayo—ezo zikhawuleza kakhulu kodwa zikhula ngokukhawuleza—ziphakathi kwezona zisongelo zixhaphakileyo nezitshabalalisayo kwiinkqubo zombane zoshishino:cite.
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Ukuphazamiseka kweMveliso
Isiganeko esinye sokwanda kwemveliso sinokuyivala yonke imigca yemveliso, nto leyo ebangela ilahleko kwezoqoqosho ezingamashumi amawaka eedola ngeyure.
Umonakalo wezixhobo
Izixhobo ze-elektroniki ezinobuzaza zisengozini yokuchaphazeleka ngamandla, kwaye iindleko zokulungisa okanye zokutshintsha ziphezulu kakhulu.
Ukulahleka kwedatha
Iinkqubo zolawulo kunye neenkqubo zokufumana idatha zinokulahlekelwa yidatha ebalulekileyo yemveliso ngenxa yokwanda okukhulu.
Iingozi zoKhuseleko
Umlilo wombane kunye nokungasebenzi kakuhle kwezixhobo kunokubeka emngciphekweni ukhuseleko lwabasebenzi kunye nezakhiwo zefektri.
Imithombo yoKhuphuko kunye nokuChaphazeleka kweNdalo yoShishino
Imithombo yokwanda kwamanzi kwiindawo zoshishino yahlukahlukene kwaye iyinkimbinkimbi, ikakhulu ibandakanya:
- Umbane ubetha: Umbane ubetha ngqo okanye ukugquma okubangelwa kukubetheka okukufutshane
- Ii-overvoltages zokusebenza: Ukwanda okubangelwa ziinkqubo ezifana nemijikelo emikhulu yokuqalisa imoto kunye nokutshintsha i-capacitor bank
- Ukukhupha ngombane: Ingakumbi kwiinkqubo zemveliso kwiindawo ezomileyo
- Ukuguquguquka kwegridi: Ii-voltage transients ezibangelwa kukutshintsha kwegridi, iimpazamo, kunye notshintsho lomthwalo
- Ukuphazamiseka kwe-electromagnetic: Ukuphazamiseka okuphezulu okubangelwa kukusebenza kwezixhobo ezinzima ezikufutshane
Iindima eziphambili zeZixhobo zoKhuselo lweZikhuseli zeZikhuseli zeZikhuseli zeZikhuseli
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Izixhobo zokukhusela ukuvuza kwe-surge (ii-SPD) zezinga lemizi-mveliso zahlukile kwiimveliso eziqhelekileyo zorhwebo. Zenzelwe ngokukodwa ukumelana neemeko ezinzima zoshishino, zibonelela ngeendlela ezininzi zokukhusela:cite[1]:cite[6]:
1. Ukhuseleko lwezixhobo
Ii-SPD zemizi-mveliso zikhusela izixhobo ezibuthathaka kumonakalo obangelwa kukugaleleka, zandisa ubomi bezixhobo, kwaye zinciphisa ixesha lokungasebenzi kunye neendleko zokulungisa. Ukhuseleko lokugaleleka lubaluleke kakhulu kwizixhobo zokulawula ezibizayo ezifana nee-PLC, iinkqubo ze-DCS, kunye nee-frequency converters.
2. Uqinisekiso lokuqhubeka kwemveliso
Ngokuthintela ukuphazamiseka kwemveliso okubangelwa ziingxaki zombane, ii-SPD ziqinisekisa ukuphunyezwa kakuhle kwezicwangciso zemveliso kwaye ziphucula ukusebenza kakuhle kwezixhobo ngokubanzi (OEE).
3. Ukunyaniseka kweDatha
Ishishini lanamhlanje lixhomekeke ekwenzeni izigqibo eziqhutywa yidatha. Ii-SPD zikhusela iinkqubo zokufumana idatha kunye neeyunithi zolawulo, ziqinisekisa ukuthembeka nokuchaneka kwedatha yemveliso.
4. Ukuthobela uKhuseleko
Ukhuseleko lokushushu oluhambelana nemigangatho yamazwe ngamazwe (IEC 61643, GB 18802, njl.njl.) yimfuneko enyanzelekileyo yemigaqo yokhuseleko kumashishini amaninzi, enceda ukuphumelela uhlolo lokhuseleko:cite[1].
Izisombululo zoKhuseleko lokunyuka kweShishini
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Ukhuseleko olusebenzayo lokushushu kwemizi-mveliso lufuna icebo lokukhusela elilinganisiweyo:cite[1]:
- Ukhuseleko lwenqanaba lokuqala: Faka ii-SPD ezinomthamo ophezulu kwiindawo zokungena kombane ukuze ukhuphe uninzi lwamandla okuphuma kwamandla
- Ukhuseleko lwenqanaba lesibini: Faka ii-SPD ezinomthamo ophakathi kwiiphaneli zokusasaza naphambi kwezixhobo ezibalulekileyo
- Ukhuseleko lwenqanaba lesithathu: Faka ii-SPD zokukhusela ezincinci phambi kwezixhobo ze-elektroniki ezibuthathaka kakhulu
- Ukhuseleko lomgca wesignali: Ukubonelela ngokhuseleko olukhethekileyo lokuhamba kwemigca yedatha kunye nemigca yokulawula
Iinkcukacha zoBugcisa eziPhambili
Izikhuseli ze-composite surge zanamhlanje zifaka ubuchwepheshe obuphucukileyo bokukhusela okuphezulu:cite[1]:
- Ukhuseleko oludibeneyo olunezigaba ezininzi: Iityhubhu zokukhupha igesi (GDT) okanye izithuba ze-spark zokukhusela okuphambili (umthamo we-100kA+, impendulo ye-~100ns), i-MOV yokukhusela okwesibini, kunye nee-diode ze-TVS okanye iisekethe zesihluzi zokukhusela isiphelo (i-voltage eseleyo elawulwa ngaphakathi kwamashumi ee-volts)
- Izinto ezintsha kunye nolwakhiwo: I-MOV ene-nano-doped enezinto zomhlaba ezinqabileyo zozinzo lwe-voltage (imelana nefuthe le-waveform ye-8/20μs izihlandlo ezingaphezu kwama-20), iteknoloji yokudibanisa i-PCB enamaleya amaninzi inciphisa ivolumu nge-40%
- Ukulungiswa kokusasazwa kobushushu: Iibhodi zekopolo ezisekwe kwi-aluminium kunye nokuzaliswa kwe-silicone eshushu kunciphisa ukumelana nobushushu ukuya kwi-1.5°C/W
- Ukubeka iliso okukrelekrele: Izinzwa zangoku ezisebenzisa ubushushu kunye nokuvuza ezifakwe ngaphakathi nge-RS485 okanye i-wireless transmission, isilumkiso xa ukuvuza komsinga kudlula i-20μA
Izinto ezibalulekileyo ekufuneka ziqwalaselwe xa ukhetha ii-SPD zezeShishini
Xa ukhetha izixhobo zokukhusela ukugquma ezifanelekileyo kwizicelo zoshishino, qwalasela ezi zinto zilandelayo:
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Amandla aphezulu
Ubuchule bokusingatha ukunyuka kwamandla aphezulu okuxhaphakileyo kwiindawo zoshishino
Impendulo ekhawulezileyo
Ixesha lokuphendula kwinqanaba le-nanosecond, lisebenza ngaphambi kokuba ukunyuka kubangele umonakalo
Uyilo Oluqinileyo
Iyahambelana nobushushu, ukufuma, kunye neemeko zokungcangcazela kweendawo zoshishino
Ukubeka iliso kwimeko
Ibonelela ngokubeka esweni kude kunye nemisebenzi yokulumkisa kwangethuba ukuze kugcinwe ukhuseleko
Ityala lesicelo esisebenzayo: Isityalo sokuvelisa iimoto
Emva kokufaka inkqubo yokukhusela i-surge yomgangatho wemizi-mveliso kwindawo yokusebenzela yokupeyinta yesityalo esikhulu sokwenza iimoto:cite[1]:
- Ukusilela kwenkqubo yolawulo lweerobhothi kuncitshiswe ngama-82%
- Ixesha lokungasebenzi komgca wemveliso elingalindelekanga lincitshiswe ngama-75%
- Imali eyongiweyo yokulungisa izixhobo ngonyaka idlule kwi-$70,000
- Inzuzo kutyalo-mali olufunyenwe kwiinyanga ezili-11 kuphela
Iimfuneko zoKhuseleko oluKhethekileyo kwiShishini
Amacandelo emizi-mveliso ahlukeneyo aneemfuno ezizodwa zokukhusela ukugqobhoza komoya: khankanya:
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Iinkqubo zamandla
Kufuneka amandla okumelana nesantya samandla alandele umbane kunye nokuziqhelanisa neemeko zangaphandle ezinzima (-40°C ukuya ku-+85°C). Okucetyiswayo: Ii-SPD ezine-Uc ≥ 440V voltage rating kunye nomthamo wokuqhawula i-disconnector ≥ 25kA.
Ishishini loNxibelelwano
Kufuneka ukhuseleko kumaza ombane alinganisiweyo angama-10/700μs ngelixa ugcina ukuthembeka kwesignali ye-high-frequency kwi-RJ45 kunye ne-coaxial interfaces. Icetyiswa: Ii-SPDs zohlobo lwe-1+2 ezidibeneyo ezine-Imax ≥ 40kA.
Ukuzenzekelayo kweShishini
Kufuneka kuncitshiswe ii-overvoltages zokusebenza eziveliswa zii-frequency converters kunye nee-servo motors (ezifikelela kwi-3kV). Ezicetyiswayo: Ii-SPDs ezinomsebenzi wokucoca iikhabhathi zolawulo lwe-PLC ezine-insertion impedance ye-60dB.
Icandelo elitsha laMandla
Iinkqubo ze-Photovoltaic kufuneka ziphathe i-DC side 1500V high voltage, ezifuna ii-SPDs ezine-automatic polarity recognition kunye ne-Uc ≥ 1.8 × VOC. Ii-charging piles zifuna ii-cabinet SPDs ezine-IP65 protection level ehlangabezana neemfuno ezisemgangathweni ze-GB/T 18487.1.
Kutheni Ufanele Ukhethe Izisombululo Zethu Zokukhusela Ukunyuka Kwemizi-mveliso?
I-Wenzhou Leikexing Technology Co., Ltd. isebenzisa iminyaka yamava obuchwephesha ukubonelela ngezisombululo ezipheleleyo zokukhusela ukuxinana kwamashishini kubathengi bemizi-mveliso:
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- Umgca wemveliso yobungcaliIimveliso ze-SPD zobungcali kwiimeko ezahlukeneyo zesicelo semizi-mveliso
- Isatifikethi esipheleleyoZonke iimveliso eziqinisekiswe yi-TUV, CB, CE, kunye nezinye iziqinisekiso zamazwe ngamazwe:cite[2]:cite[7]
- Ukwazi ukwenza ngokwezifiso: Izisombululo ezenzelwe wena ezisekelwe kwiindawo ezithile zoshishino
- Uxhaso lobuchwephesheIqela leenjineli zobungcali libonelela ngeenkonzo zokubonisana ngobuchwepheshe kunye noyilo lwenkqubo
- Ukuqinisekisa umgangatho: Umzi-mveliso wakho, ulawulo oluqinileyo lomgangatho, iwaranti yeminyaka emi-2
- Ukwenza ngokwezifiso ngokukhawuleza: Inkonzo yokwenza ngokwezifiso iilogo iiyure ezi-2
- Uvavanyo oluqatha: Amandla okuvavanya imveliso yezigidi ukuqinisekisa ukuthembeka