Ukuphonononga iiMpawu zeVoltage ephantsi DC 500V SPD Surge Arrester

Kwihlabathi elikhulayo lombane, izixhobo zombane kunye ne-elektroniki zijongene nezisongelo eziqhubekayo ezivela kukuphazamiseka kombane okungalindelekanga okunokubangela umonakalo omkhulu kunye nokuphazamiseka kokusebenza.AbaBambi boMvuzo ophantsi wamandla ombanezivela njengabagcini ababalulekileyo beenkqubo zombane, zibonelela ngokhuseleko oluyimfuneko ngokuchasene nokunyuka kwamandla ombane okwethutyana kunye nokunyuka okunokuthi kutshabalalise ngoko nangoko izixhobo ezibuthathaka. Ezi zixhobo zintsonkothileyo zisebenza njengemiqobo entsonkothileyo, ukuthintela kunye nokuhambisa amandla agqithisileyo ombane kude neziseko zoncedo ezibalulekileyo, ngaloo ndlela kugcinwe imfezeko kunye nokusebenza kweekhompyuter, oomatshini boshishino, iinkqubo zonxibelelwano, kunye nezixhobo zombane zokuhlala.

Isebenza kuluhlu lwamandla ombane ahlukeneyo, ngokwesiqhelo kwiindawo ezinevoltheji ephantsi njengeenkqubo ze-500V DC, izibambi zotyando zisebenzisa itekhnoloji ephucukileyo ukuze zibone kwaye zithintele izinto ezinokuthi zonakalisa umbane kwiimilliseconds. Ngokufunxa, ukucinezela, okanye ukuphambukisa amandla ombane angaphezulu, ezi zixhobo zithintela ukusilela kwisixhobo esiyingozi, ukunciphisa iindleko zokulondolozwa, kunye nokuphucula ukuthembeka kwenkqubo iyonke. Ukusuka ekukhuseleni izixhobo zonyango ezintsonkothileyo ezibhedlele ukuya ekukhuseleni iinkqubo ezibalulekileyo zolawulo lwemizi-mveliso kunye nezixhobo zombane zasekhaya, ukubamba amandla ombane asezantsi amele isisombululo esiyimfuneko kuluntu lwethu lwale mihla, oluxhomekeke kumbane, ukuqinisekisa ukusebenza ngokuqhubekayo kunye nokuthintela umonakalo onokuthi ube nexabiso eliphezulu nophazamisayo wombane.

Uluhlu loKhuseleko lweVoloji

Izibambi zotyando zenzelwe ukuba zisebenze ngaphakathi kuluhlu oluthile lokhuseleko lwamandla ombane, ngokuqhelekileyo ukuphatha iinkqubo zombane ophantsi ukusuka kwi-50V ukuya kwi-1000V AC okanye i-DC. Oku kuguquguquka kubavumela ukuba bakhusele uluhlu olubanzi lwezixhobo zombane neze-elektroniki kuwo wonke amashishini kunye nokusetyenziswa. Ukukwazi kwesixhobo ukulawula ukwahluka kwamandla ombane kuqinisekisa ukhuseleko olupheleleyo ngokuchasene nokuguquguquka okungephi kunye ne-spikes ebalulekileyo yombane. Ngokulawula ngokuchanekileyo i-voltage threshold, i-surge arresters inqanda umonakalo wesixhobo ngelixa igcina ukusebenza kombane ngokufanelekileyo.

Ixesha elidlulayo lokuPhendula

Olona phawu lubalulekileyo lwesibambisi sombane ophantsi wombane lixesha lokuphendula elikhawulezayo. Izixhobo zale mihla ezikhuselayo zinokusabela kwaye ziqondise ngokutsha okunokonakalisa utyando lombane ngaphakathi kweenanoseconds, amaxesha amaninzi ngaphantsi kweenanoseconds ezingama-25. Le mpendulo ikhawulezayo yombane iqinisekisa ukuba izinto ze-elektroniki ezibuthathaka zikhuselwe kwiziphambuka zamandla ombane ezonakalisayo ngaphambi kokuba zibangele nawuphi na umonakalo onentsingiselo. Indlela yokuphendula ekhawulezileyo isebenzisa itekhnoloji ye-semiconductor ephezulu efana ne-metal oxide varistors (MOVs) kunye neetyhubhu zokukhupha irhasi ukubona kwangoko kunye nokuguqula amandla ombane agqithisileyo.

Isibonakaliso sokuziphilisa kunye nokuthotywa kwesidima

Ababambeli botyando oluphucukileyo lubandakanya itekhnoloji yokuziphilisa ebavumela ukuba bagcine amandla okukhusela nasemva kweziganeko ezininzi zotyando. Ezi zixhobo eziphambili zisebenzisa izinto ezikhethekileyo kunye nemigaqo yoyilo enokusasaza kwakhona uxinzelelo lwangaphakathi kunye nokunciphisa ukuthotywa kokusebenza. Uninzi lwababambeli botyando lwanamhlanje lubandakanya izikhombisi ezakhelwe ngaphakathi okanye iinkqubo zokubeka iliso ezibonelela ngemiqondiso ecacileyo xa amandla okukhusela esixhobo ancitshiswe kakhulu. Eli nqaku liqinisekisa ukuba abasebenzisi banokuthatha indawo yesibambi sokutyanda ngaphambi kokuba kwenzeke ukusilela ngokupheleleyo, ukunqanda ukuba semngciphekweni kwesixhobo esingalindelekanga. Indlela yokuziphilisa ibandakanya itekhnoloji ye-metal oxide varistor (MOV) ephezulu enokuthi iphinde isasaze uxinzelelo lombane kunye nokugcina ukusebenza okungaguqukiyo kuzo zonke izehlo zotyando ezininzi.

I-Surge yangoku ukumelana neCapacity

Izibambi zotyando zenzelwe ukuba zimelane namazinga akhoyo ngoku, aqhele ukulinganiswa ngeekhiloamperes (KA). Izixhobo zebakala lobuchwephesha zinokusingatha imisinga yokunyuka ukusuka kwi-5 KA ukuya kwi-100 KA, kuxhomekeke kwisicelo esithile kunye noyilo. Lo mandla wokumelana nomgangatho wangoku uqinisekisa ukuba i-surge arrester inokulawula ngokufanelekileyo ukuphazamiseka okukhulu kombane, kubandakanywa nezo zibangelwa kukubetha kombane, ukutshintshwa kwegridi yamandla, okanye ukuphazamiseka okubalulekileyo kwenkqubo yombane. Umthamo wokumelana nokunyuka kwangoku umiselwa ngamacandelo angaphakathi antsonkothileyo afana nemathiriyeli ekhethekileyo ye-semiconductor, iindlela zokuqhuba ezichanekileyo, kunye neenkqubo zolawulo lwe-thermal. Ezi zinto ziyilo zivumela ukuba i-surge arrester ikhuphe ngokukhawuleza amandla amakhulu ombane ngaphandle kokuphazamisa ukusebenza kwayo kwexesha elide lokukhusela okanye kubangela umonakalo wesibini kwiinkqubo zombane ezixhunyiwe.

Ukufunxa amandla

Izibambisi zotyando ziyilelwe ngokukwazi ukufunxa amandla amakhulu, alinganiswa ngeejoules. Ngokuxhomekeke kwimodeli ethile kunye nokusetyenziswa, ezi zixhobo zinokufunxa amandla otyando ukusuka kwi-200 ukuya kwi-6,000 joules okanye ngaphezulu. Ukulinganisa okuphezulu kwejoule kubonisa amandla amakhulu okukhusela, okuvumela isixhobo ukuba simelane neziganeko ezininzi zokuqhaqha ngaphandle kokuphazamisa ukusebenza kwayo kokukhusela. Indlela yokufunxa amandla ibandakanya izinto ezikhethekileyo ezinokutshabalalisa amandla ombane ngokukhawuleza njengobushushu, iwuthintele ekusasazeni ngenkqubo yombane kwaye yonakalise izixhobo eziqhagamshelweyo.

Iindlela ezininzi zoKhuseleko

Izithinteli ezikwizinga eliphezulu lombane osezantsinikezela ngokhuseleko olubanzi kwiindlela ezininzi zombane, kubandakanya:
-Imo yesiqhelo (umgca-ukuya-phakathi)
- Imowudi eqhelekileyo (umgca ukuya emhlabeni)
-Imo yomahluko (phakathi kwabaqhubi)
Olu khuseleko lweendlela ezininzi luqinisekisa ukhuseleko olubanzi ngokuchasene neentlobo ezahlukeneyo zokuphazamiseka kombane, ukujongana neendlela ezahlukeneyo zokusasaza okunokwenzeka. Ngokukhusela iindlela ezininzi ngaxeshanye, ezi zixhobo zibonelela ngeendlela zokukhusela ezipheleleyo zombane kunye neenkqubo zombane.

Iqondo lobushushu kunye nokomelela kokusiNgqongileyo

Izibambisi zotyando lwenqanaba lobuchwephesha zakhiwe ukuze zimelane neemeko ezicela umngeni zokusingqongileyo. Ngokuqhelekileyo banikwa umlinganiselo wobushushu ukusuka ku -40?C ukuya ku +85?C, ukuqinisekisa ukusebenza okufanayo kwiindawo ezahlukeneyo zokusebenza. Ukongeza, ezi zixhobo zineendawo ezivaliweyo ezikhusela izinto zangaphakathi kuthuli, ukufuma kunye noxinzelelo lomatshini. Iingubo ezikhethekileyo ezihambelanayo kunye nezixhobo eziphucukileyo zongeza ukuqina kwazo, zizenza zilungele ushishino, urhwebo, kunye nezicelo zokuhlala.

Okubonwayo kunye neZakhono zokuBeka iliso ezikude

Izithinteli zale mihla zibandakanya itekhnoloji yokubeka iliso ekwinqanaba eliphezulu evumela ukulandelwa kwexesha lokwenyani. Iimodeli ezininzi zibonakalisa izikhombisi ze-LED ezibonisa isimo sokusebenza, iindlela zokungaphumeleli ezinokubakho, kunye nokhuseleko oluseleyo. Ezinye izixhobo ezintsonkothileyo zibonelela ngezakhono zokubeka iliso ezikude ngonxibelelwano lwedijithali, ukuvumela ukuvavanya okuqhubekayo kokusebenza kokhuseleko lokutya. Ezi mpawu zokubeka iliso zenza ugcino olusebenzayo, lunceda abasebenzisi ukuba bachonge ukuthotywa kokhuseleko olunokubakho ngaphambi kokusilela okuyintlekele.

I-Compact kunye neModyuli yoYilo

Izithinteli zotyando lwangoku zenziwe ngobuchwephesha bendawo kunye nokuguquguquka kwengqondo. Izinto zabo zefom edibeneyo zivumela ukudityaniswa komthungo kwiipaneli zombane ezikhoyo, iibhodi zokuhambisa, kunye nojongano lwezixhobo. Uyilo lwemodyuli luququzelela ukufakwa lula, ukutshintshwa, kunye nokuphuculwa kwenkqubo. Iimodeli ezininzi zixhasa ukunyuswa komzila kaloliwe we-DIN, iindawo ezivaliweyo zombane ezisemgangathweni, kwaye zibonelela ngeendlela ezahlukeneyo zokuqhagamshelwa, ziqinisekisa ukuhambelana nezakhiwo ezahlukeneyo zombane.

Ukuthotyelwa kunye neSiqinisekiso

Izibambi zotyando ezikumgangatho ophezulu zivavanywa ngokuqatha kunye neenkqubo zoqinisekiso, zithobela imigangatho yamazwe ngamazwe efana nale:
-IEC 61643 (imigangatho yeKhomishini yezoMbane yeHlabathi)
- IEEE C62.41 (Iziko leeNjineli zoMbane kunye neeNjineli zoMbane)
-UL 1449 (Underwriters Laboratories imigangatho yokhuseleko)
Ezi ziqinisekiso ziqinisekisa ukusebenza kwesixhobo, ukuthembeka, kunye neempawu zokhuseleko. Ukuthotyelwa kuqinisekisa ukuba abathinteli botyando bayahlangabezana neemfuno ezingqongqo zeshishini kwaye babonelele ngokhuseleko oluthembekileyo kuzo zonke iinkqubo ezahlukeneyo zombane kunye nokusetyenziswa.

Ukuqukumbela

AbaBambi boMvuzo ophantsi wamandla ombanebamele isisombululo esibalulekileyo sobuchwepheshe ekukhuseleni iziseko zombane eziya zintsonkotha. Ngokudibanisa itekhnoloji ye-semiconductor ephucukileyo, ubunjineli obuchanekileyo, kunye nezicwangciso ezibanzi zokukhusela, ezi zixhobo zikhusela izixhobo ezibizayo nezinovakalelo ekuphazamisekeni kombane okungalindelekanga. Njengoko ukuxhomekeka kwethu kwiinkqubo zombane kuqhubeleka ukukhula, ukubaluleka kokhuseleko olomeleleyo lotyando kuba yeyona nto iphambili. Utyalo-mali kwizithinteli ezikumgangatho ophakamileyo aziyongqwalaselo nje yobugcisa kodwa yindlela ecwangcisiweyo yokugcina ukuqhubeka nokusebenza, ukuthintela ukusilela kwezixhobo ezibiza imali eninzi, kunye nokuqinisekisa ubomi obude beenkqubo zombane neze-elektroniki kuwo wonke amashishini nezicelo ezahlukeneyo.