Ukukhuselwa kwesixhobo se-SPD

Ukukhuselwa kwesixhobo se-SPD sikwabizwa ngokuba sisibambisi sokubanjwa, Bonke abakhuseli bokukhusela ngenjongo ethile banoluhlobo lokutshintsha ngokukhawuleza, kwaye umkhuseli wokhuseleko uyasebenza kuluhlu lwevolthi ethile. Emva kokuba yenziwe yasebenza, icandelo lokucinezela lomkhuseli wokunyuka liya kunqunyulwa kwimeko ye-impedance ephezulu, kwaye isibonda se-L siya kuguqulwa sibe kwimeko yokumelana kancinci. Ngale ndlela, amandla ombane wengingqi okwindawo yesixhobo se-elektroniki anokungena. Ngexesha lenkqubo yonke yombane, umkhuseli wokunyusa uya kugcina amandla ombane rhoqo kwipali. Lo mbane uqinisekisa ukuba umkhuseli wokukhusela uhlala evuliwe kwaye unokukhupha ngokukhuselekileyo umgangatho okhoyo emhlabeni. Ngamanye amagama, abakhuseli abagqithisileyo bakhusela izixhobo ezibuthathaka ze-elektroniki kwiziphumo zemibane, ukutshintsha imisebenzi kwigridi yoluntu, iinkqubo zokulungiswa kwezinto zamandla, kunye namanye amandla aveliswa yimisebenzi yexesha elifutshane nangaphandle.

isicelo

Umbane unezisongelo ezibonakalayo kukhuseleko lomntu kwaye ubeka isoyikiso kwizixhobo ezahlukeneyo. Umonakalo wamandla okunyuka kwamandla kwizixhobo akuphelelanga ngqo kubetha imibane. Uqhankqalazo lombane olusondele kakhulu luyingozi enkulu kwizixhobo ze-elektroniki ezibuthathaka; Kwelinye icala, imisebenzi yombane kumgama kunye nokukhutshwa phakathi kweendudumo kunokudala imisinga yokungena ngamandla kunikezelo lwamandla kunye ne-loops yomqondiso, ukuze izixhobo eziqhelekileyo zokuhamba ziqheleke. Qalisa kwaye unciphise ubomi besixhobo. Umbane okhoyo ngoku uhamba emhlabeni ngenxa yobukho bokumelana nomhlaba, okuvelisa umbane ophezulu. Le volthi iphakamileyo ayonakalisi kuphela izixhobo ze-elektroniki kodwa ikwabubeka esichengeni ubomi bomntu ngenxa yenyathelo lombane.

Ukunyuka, njengoko igama lisitsho kukugqithisa okwethutyana okungaphezulu kwamandla ombane aqhelekileyo. Eyona nto ibalulekileyo kukuba, isikhuseli esikhuphayo sisibetho esinobundlobongela esenzeka nje kwizigidi ezimbalwa zomzuzwana kwaye sinokubangela ukudumba: izixhobo ezinzima, iisekethi ezimfutshane, ukutshintsha amandla, okanye iinjini ezinkulu. Iimveliso eziqulathe ukubanjwa kokuqina zinokufumana ngokufanelekileyo ukugqabhuka kwamandla ngokukhawuleza ukukhusela izixhobo ezixhunyiwe kumonakalo.

Umkhuseli wokunyuka, okwabizwa ngokuba sisibane sombane, sisixhobo esisebenza ngombane esikhusela ukhuseleko kwizixhobo ezahlukeneyo ze-elektroniki, izixhobo kunye neendlela zonxibelelwano. Xa amandla ombane ngesiquphe okanye ombane ngesiquphe aveliswa kwisekethe yombane okanye kumgca wonxibelelwano ngenxa yokuphazamiseka kwangaphandle, umkhuseli wokuqhubela phambili unokuqhuba i-shunt ngexesha elifutshane kakhulu, ngaloo ndlela kuthintelwe ukonakala kwezinye izixhobo kwisekethe ngokunyuka.

Izinto eziSiseko

Umkhuseli wokunyuka unesantya esikhulu sokuhamba, i-voltage eseleyo eseleyo kunye nexesha lokuphendula ngokukhawuleza;

Sebenzisa iteknoloji yokucima i-arc yakutshanje ukuphepha ngokupheleleyo imililo;

Ukulawulwa kobushushu kukhuseleko lwesekethe kunye nokhuseleko olwakhelweyo ngaphakathi;

Isimo samandla esibonisa imeko yokusebenza komkhuseli wokunyuka;

Ulwakhiwo lungqongqo kwaye umsebenzi uzinzile kwaye unokwethenjelwa.

I sigama

1, Inkqubo yokupheliswa komoya

Abakhuseli beSave basetyenziselwa izinto zesinyithi kunye nolwakhiwo lwentsimbi olwamkela ngokuthe ngqo okanye olumelana nokubetha kombane, ezinje ngeentonga zombane, amabhanti okukhusela imibane (imigca), iinethi zokukhusela umbane, njl.

2, inkqubo umqhubi Down

Umkhuseli okhulayo uqhagamshela umqhubi wesinyithi sombane wombane kwisixhobo somhlaba.

3, Inkqubo yokupheliswa komhlaba

Isiphumo se-electrode yomhlaba kunye nomqhubi womhlaba.

4, I-electrode yomhlaba

Umqhubi wesinyithi ongcwatyelwe emhlabeni onxibelelana ngqo nomhlaba. Ikwabizwa ngokuba sisibonda somhlaba. Amalungu esinyithi ahlukeneyo, izixhobo zentsimbi, imibhobho yesinyithi, izixhobo zentsimbi, njl njl. Ezinxibelelana ngokuthe ngqo nomhlaba zingasebenza njenge-Earth electrode, ebizwa ngokuba yi-Earth electrode yendalo.

5, Umqhubi womhlaba

Qhagamshela iingcingo ezidibanisayo okanye izihambisi zesixhobo sokomisa umhlaba ukusuka kwisiphelo sendlela yezixhobo zombane ukuya kwiingcingo zokudibanisa okanye zokuhambisa isixhobo esitsalayo kwizinto zentsimbi ezifuna ukudityaniswa kwe-equipotential, iitheminali zokumisa ezipheleleyo, ibhodi yesishwankathelo somhlaba, isiseko esipheleleyo somhlaba ibha, kunye nokudibanisa izixhobo.

6, ukukhanya ngokuthe ngqo kombane

Ukubetha ngokuthe ngqo kwezinto zangempela njengezakhiwo, umhlaba okanye izixhobo zokukhusela umbane.

7, Ukubuyela umva kwebhokisi

Umbane okhoyo ngoku udlula kwindawo yentsika okanye inkqubo yokomisa umhlaba ukuba ibangele utshintsho kumandla omhlaba alo mmandla. Ukuphikiswa okunokubakho emhlabeni kunokubangela utshintsho kwinkqubo ezinokubakho, ezinokubangela ukonakala kwizixhobo zombane nakwizixhobo zombane.

8, inkqubo yokukhusela umbane (LPS)

Ukukhusela abakhuseli kunciphisa umonakalo obangelwe ngumbane kwizakhiwo, ufakelo, njl., Kubandakanya iinkqubo zokhuselo lwangaphandle nolwangaphakathi.

8.1 Inkqubo yokukhusela imibane yangaphandle

Icandelo lokukhusela umbane ngaphandle okanye emzimbeni wesakhiwo. Umkhuseli wokunyuka uhlala ene-receptor yombane, umqhubi ophantsi kunye nesixhobo somhlaba sokuthintela ukubetha ngokuthe ngqo kombane.

8.2 Inkqubo yokhuseleko yombane yangaphakathi

Icandelo lokukhusela umbane ngaphakathi kwesakhiwo (isakhiwo), umkhuseli wokukhusela uhlala enesistim se-equipotential bonding system, inkqubo eqhelekileyo, inkqubo yokukhusela, i-wiring efanelekileyo, ukukhusela umkhuseli, njl., Isetyenziselwa ukunciphisa nokukhusela umbane okwangoku Impembelelo ye-electromagnetic indawo yokukhusela.

uhlalutyo

Iintlekele zombane yenye yeentlekele zemvelo ezimbi kakhulu. Baninzi abantu abonzakeleyo kunye nelahleko yepropathi ebangelwe ziintlekele zombane minyaka le emhlabeni. Ngenani elikhulu lokusetyenziswa kwezixhobo ze-elektroniki kunye nezinto ezincinci ezihlanganisiweyo, ukonakala kweenkqubo kunye nezixhobo ezibangelwa kukugqutha kombane kunye nemibane ye-electromagnetic pulses iyanda. Ke ngoko, kubaluleke kakhulu ukusombulula ingxaki yokhuseleko lwentlekele yezakhiwo kunye neenkqubo zolwazi lwe-elektroniki ngokukhawuleza.

Ukukhuselwa kombane ukukhusela umbane kunokwenzeka phakathi kwamafu okanye amafu, okanye phakathi kwamafu kunye nomhlaba; Ukongeza kunyango lwangaphakathi olubangelwa kukusetyenziswa kwesixhobo esikhulu sombane esikhulu, inkqubo yokuhambisa umbane (inkqubo esezantsi yombane yase China: AC 50Hz 220 / 380V) kunye nefuthe lezixhobo zombane kunye nokukhuselwa kombane kunye nokunyuka iyeyona nto kugxilwe kuyo.

Isitrayikhi sombane phakathi kwelifu kunye nomhlaba womkhuseli wokunyuka uqulethwe ngumbane omnye okanye aliqela ahlukeneyo, elowo ephethe inani lamaza aphakamileyo kakhulu anamaxesha amafutshane kakhulu. Ukukhutshwa kombane okuqhelekileyo kuya kubandakanya ukubetha kwemibane emibini okanye emithathu, malunga neshumi elinambini lesibini phakathi kombane ngamnye. Uninzi lwemijelo yombane iwela phakathi kwe-10,000 kunye ne-100,000 amps, kwaye ixesha lazo lingaphantsi kwe-100 microseconds.

Ukusetyenziswa kwezixhobo ezikhulu kunye nezixhobo zokuguqula inkunkuma kwinkqubo yokuhambisa umbane okhuselayo kuzise ingxaki enkulu ngaphakathi. Sibeka ukuba ziziphumo zexesha elidlulileyo lokugqithisa (i-TVS). Uluhlu oluvumelekileyo lwamandla ombane akhoyo kuso nasiphi na isixhobo esinamandla. Ngamanye amaxesha ukothuka kancinci kakhulu kunokubangela amandla okanye umonakalo kwizixhobo. Injalo imeko yomonakalo wexesha elidlulileyo (i-TVS). Ngokukodwa kwizixhobo ezibuthathaka zombane, ngamanye amaxesha ukunyuka okuncinci kunokubangela umonakalo.

Ngenxa yeemfuno ezingqongqo zokukhusela umbane kwizixhobo ezinxulumene noko, ukufakelwa kweSixhobo soKhuselo lweSurge (SPD) ukucinezela ii-surges kunye nokuhamba okungaphezulu komgaqo kunye nokugqithisa komgca we-bleeder kuye kwaba yinxalenye ebalulekileyo yetekhnoloji yokhuseleko yombane yale mihla. Nye.

1, iimpawu zombane

Ukukhuselwa kombane kubandakanya ukukhuselwa kombane kwangaphandle kunye nokukhuselwa kombane ngaphakathi. Ukukhuselwa kombane kwangaphandle ikakhulu kusetyenziswa izamkeli zombane (iintonga zombane, iminatha yokukhusela umbane, iibhanti zokukhusela umbane, imigca yokukhusela umbane), ezantsi kweziqhubi, kunye nezixhobo zokomisa umhlaba. Owona msebenzi uphambili wokukhusela isikhuseli kukuqinisekisa ukuba umzimba wolwakhiwo ukhuselwe kwimingcelele yombane ethe ngqo. Izitshixo zombane ezinokuthi zibethe isakhiwo zikhutshelwa emhlabeni ngokusebenzisa iintonga zombane (amabhanti, iminatha, iingcingo), ezantsi ezihambisa umbane, njl. uqheliso. Le ndlela isekwe kubumbano lwe-equipotential, kubandakanya unxibelelwano oluthe ngqo kunye nonxibelelwano oluthe ngqo nge-SPD, ukuze umzimba wentsimbi, isixhobo somhlaba kunye nomhlaba wenze umzimba we-equipotential, kwaye izixhobo zangaphakathi zivalwe kwaye zibangelwe ngumbane kunye namanye amaza. Umbane wangoku okanye okhoyo ngoku ukhutshelwa emhlabeni ukukhusela ukhuseleko lwabantu kunye nezixhobo kwisakhiwo.

Umbane ubonakaliswa kukunyuka kwamandla ombane okukhawulezileyo (ngaphakathi kwe-10μs), amandla ombane aphezulu (amashumi amawaka ukuya kwizigidi zeevolts), enkulu yangoku (amashumi ukuya kumakhulu amawaka ee-amps), kunye nexesha elifutshane (amashumi ukuya kumakhulu ee-microsecond)), isantya sokuhambisa sikhawulezisa (ukuhambisa ngesantya sokukhanya), amandla makhulu kakhulu, kwaye ngawona atshabalalisayo phakathi kweevoltage ezonyukayo.

2, udidi lwabakhuseli bokunyuka

I-SPD sisixhobo esibalulekileyo sokukhusela umbane kwizixhobo zombane. Umsebenzi wawo kukunciphisa umva kugqithiso lwamandla ombane kunye nomgca wokuhambisa umbane kuluhlu lwevolthi izixhobo okanye inkqubo enokumelana nazo, okanye ukukhupha umbane onamandla emhlabeni. Khusela izixhobo ezikhuselweyo okanye iinkqubo ekuhlaselweni.

Ukuhlelwa kwe-2,1 ngokusebenza komgaqo

Ukuhlelwa ngokomgaqo wabo osebenzayo, i-SPD inokwahlulahlulwa ibe luhlobo lokutshintsha kombane, uhlobo lomda wombane kunye nohlobo lwendibaniselwano.

(1) Uhlobo lokutshintsha kweVoltage SPD. Ukungabikho koxinzelelo lwethutyana, kubonisa ukunganyamezeli okuphezulu. Nje ukuba iphendule ngombane okwexeshana, impedance yayo iguquka iye kwi-impedance esezantsi, ivumela umbane ukuba udlule, okwaziwa ngokuba yi "short-circuit switch switch SPD".

(2) Uxinzelelo olunomda kwi-SPD. Xa kungekho kugqitha kudlula, kukuphakama okuphezulu, kodwa njengoko unyuka ngoku kunye nevolthi inyuka, i-impedance yayo iya kuqhubeka ukwehla, kunye neempawu zayo zangoku kunye neevolthi azinantsingiselo, ngamanye amaxesha ibizwa ngokuba yi "clamped type SPD".

(3) I-SPD edibeneyo. Yindibaniselwano yecandelo lokutshintsha kwamandla ombane kunye necandelo lohlobo lokuthintela amandla ombane, elinokubonakaliswa njengohlobo lokutshintsha kwamandla ombane okanye uhlobo lokunciphisa umda wombane okanye zombini, ngokuxhomekeke kwiimpawu zombane osetyenzisiweyo.

2.2 Ukuhlelwa ngokwenjongo

Ngokusetyenziswa kwabo, i-SPD inokwahlulahlulwa ibe ngumgca wamandla we-SPD kunye nelayini yomqondiso we-SPD.

2.2.1 Umtya wePower SPD

Kuba amandla ombane abetha kakhulu, kuyimfuneko ukukhupha ngokuthe ngcembe amandla ombane emhlabeni ngokubamba ukukhutshwa. Faka isikhuseli sokukhusela okanye isikhuseli sokukhawulezisa amandla ombane esigqitha kuvavanyo lweCandelo I kwindawo yokudibana kombane ngokuthe ngqo (LPZ0A) okanye indawo yokhuseleko yombane ngqo (LPZ0B) kunye nendawo yokuqala yokukhusela (LPZ1). Ukhuselo oluphambili, olukhupha umbane ngokuthe ngqo, okanye ukukhupha amandla amakhulu xa umbane wokuhambisa umbane uphantsi kombane ngqo. Isikhuseli sokukhusela umbane sifakelwe kwindibano yommandla ngamnye (kubandakanya indawo ye-LPZ1) ngasemva kwendawo yokhuselo yokuqala njengenqanaba lesibini, lesithathu okanye eliphezulu lokhuseleko. Umkhuseli wenqanaba lesibini sisixhobo sokukhusela i-voltage eseleyo yomkhuseli wangaphambi kwenqanaba kunye nogwayimbo lombane olwenziwe kuloo ndawo. Xa ukufakwa kwamandla kombane kwinqanaba eliphambili kukhulu, ezinye iindawo zisenkulu kakhulu kwizixhobo okanye kumkhuseli wenqanaba lesithathu. Amandla ahanjiswayo aya kufuna ukufunxwa ngakumbi ngumkhuseli wenqanaba lesibini. Kwangelo xesha, umgca wokuhambisa wenqanaba lokuqala lokubanjwa kombane nawo uya kubangela umbane wombane wombane oshukumayo. Xa umgca umde ngokwaneleyo, amandla ombane akhulayo aba mkhulu ngokwaneleyo, kwaye inqanaba lesibini lokukhusela liyafuneka ukopha ngamandla amandla ombane. Umkhuseli wenqanaba lesithathu ukhusela intsalela yamandla ombane kwinqanaba lesibini lokukhusela. Ngokwenqanaba levolthi yokuchasana nezixhobo ezikhuselweyo, ukuba ukhuseleko lombane kumanqanaba amabini unokufikelela kumda wevolthi engaphantsi kwenqanaba lezixhobo, mabini kuphela amanqanaba okhuseleko afunekayo; ukuba izixhobo zokumelana nenqanaba levolthi liphantsi, kunokufuna amanqanaba amane okanye amanqanaba angakumbi okhuselo.

Khetha i-SPD, kufuneka uqonde ezinye iiparameter kunye nendlela ezisebenza ngayo.

(1) Amaza ayi-10 / 350μs sisimo sombane esilinganisa ukubetha ngokuthe ngqo kombane, kwaye amandla e-waveform makhulu; Isangqa se-8 / 20μs sisimo sokutshangatshangisa esilinganisa ukungeniswa kombane kunye nokuqhutywa kombane.

(2) Ukukhutshwa ngokutyunjiweyo ngoku kubhekisa kwincopho yangoku ehamba nge-SPD kunye ne-8/20 μs yangoku.

(3) Ukukhutshwa okuphezulu kwe-Imax yangoku, ekwabizwa ngokuba lelona zinga liphezulu lokuhamba, kubhekisa kwinqanaba eliphezulu lokukhutshwa elinokumelana ne-SPD ngombane wangoku we-8 / 20μs.

(4) Owona mgangatho uphezulu uqhubekayo wokumelana ne-voltage ye-Uc (iirms) ubhekisa kumandla ombane aphezulu e-AC okanye ombane weDC onokuthi ngokuqhubekekayo usetyenziswe kwi-SPD.

(5) Intsalela yombane weUre ubhekisa kwixabiso eliyintsalela kuxinzelelo olukhutshiweyo lwangoku ngaphakathi.

(6) Ukukhuselwa kwamandla ombane kuphawu lweparameter phakathi kwe-SPD terminals, kwaye ixabiso layo linokukhethwa kuluhlu lwamaxabiso akhethiweyo, ekufuneka ebengaphezulu kwexabiso eliphezulu levolthi yomda.

(7) Uhlobo lokutshintsha kwamandla ombane i-SPD ikakhulu ikhupha i-10 / 350μs yangoku, kunye nohlobo olunomda wevolthi ye-SPD ikakhulu ikhupha i-8 / 20μs yangoku.

2.2.2 Umgca weSiginali weSPD

Umgca wesiginali i-SPD eneneni sisibane esibonisa umbane esifakwe kumgca wokuhambisa isiginali, ngokubanzi kwicala elingaphambili lesixhobo, ukukhusela izixhobo ezilandelayo kunye nokukhusela amaza ombane ekuphembeleleni isixhobo esonakeleyo kumgca wesiginali.

1) Ukukhethwa kwenqanaba lokhuseleko lwevolthi (Phezulu)

Ixabiso eliPhezulu akufuneki lidlule kumgangatho wevolthi yokulinganisa yezixhobo ezikhuselweyo. Ukuphakama kufuna ukuba i-SPD ihambelane kakuhle nokufakwa kwezixhobo ezikhuselweyo.

Kwinkqubo yokuhanjiswa kwamandla ombane kunye nokusabalalisa, izixhobo kufuneka zibe namandla athile okumelana nokunyuka, oko kukuthi, ukukwazi ukumelana nokutshatyalaliswa kunye nokugqithisa kwamandla. Xa ixabiso levoltage yokuchaphazeleka kwezixhobo ezahlukeneyo ze-220 / 380V yenkqubo yamanqanaba amathathu ayinakufunyanwa, inokuchongwa ngokwezibonakaliso ezinikiweyo ze-IEC 60664-1.

2) Ukukhethwa kokukhutshwa ngegama ngoku (amandla okuhamba kwefuthe)

Ukuphakama kwamanje kuhamba nge-SPD, 8/20 μs yangoku. Isetyenziselwa uvavanyo lweCandelo II lwe-SPD kunye nokunyanzeliswa kwangaphambili kwe-SPD yovavanyo lweCandelo I kunye novavanyo lweCandelo II.

Ngapha koko, kulelona xabiso liphezulu lokuphakama okwangoku okunokuthi kudlulise inani lamaxesha (amaxesha angama-20) kunye nefomathi echaziweyo (8/20 μs) ngaphandle komonakalo omkhulu kwi-SPD.

3) Ukukhethwa kokukhutshwa okuphezulu kwe-Imax yangoku (ukunciphisa umda wokuhamba kothuko)

Incopho yangoku ehamba nge-SPD, 8/20 μs wave yangoku, isetyenziselwa uvavanyo lokuhlelwa kweCandelo II. I-Imax inokufana okuninzi kwi-In, esebenzisa ukuqaqamba okwangoku kwe-8/20 μs yangoku ukwenza uvavanyo lweCandelo II kwi-SPD. Umahluko ukwacaca. I-Imax yenza kuphela uvavanyo lwempembelelo kwi-SPD, kwaye i-SPD ayibangeli monakalo mkhulu emva kovavanyo, kwaye ngaphakathi inokwenza iimvavanyo ezingama-20, kwaye i-SPD ayinakutshatyalaliswa kakhulu emva kovavanyo. Ke ngoko, i-Imax ngumda wangoku wempembelelo, ngenxa yoko elona xesha likhulu likhutshiweyo likwabizwa ngokuba ngumthamo wokuhamba wokuhamba ngamandla. Ngokucacileyo, Imax> In.

Umgaqo wokusebenza

Isixhobo soKhuseleko lweSurge sisixhobo esibalulekileyo sokukhusela umbane kwizixhobo ze-elektroniki. Kudala ibizwa ngokuba yi "arrester" okanye "overvoltage protector". IsiNgesi sishunqulelwe njenge-SPD. Indima yomkhuseli wokunyuka kukugqithisa okwethutyana kumgca wamandla kwaye umgca wokuhambisa isiginali ulinganiselwe kumandla ombane anokumelana nezixhobo okanye inkqubo, okanye umbane onamandla okhutshelwa emhlabeni ukukhusela izixhobo ezikhuselweyo okanye Inkqubo evela kwimpembelelo kunye nomonakalo.

Uhlobo kunye nolwakhiwo lomkhuseli wokunyuka luyahluka ukusuka kwisicelo ukuya kwisicelo, kodwa kufanele ukuba ibeneyona nto inye engacwangciswanga yombane. Izinto ezisisiseko ezisetyenziselwa ukukhusela abagcini zikhutshiwe ikhefu, ityhubhu ezele kukugcwalisa ityhubhu, i-varistor, i-diode yoxinzelelo kunye nekhoyili yokutswina.

Icandelo elisisiseko

1.Ukukhutshwa kwesithuba (okwaziwa ngokuba sisikhuselo):

Ngokuqhelekileyo iqulathe iintonga ezimbini zentsimbi ezahlulwe ngumsantsa othile ovezwe emoyeni, enye iqhagamshelwe kumgca wenqanaba lokuhambisa umbane L okanye umgca ongathathi hlangothi (N) wesixhobo esifunekayo sokukhusela, kunye nenye intonga yesinyithi kunye Umgca womhlaba (PE) uqhagamshelwe. Xa i-overvoltage yethutyana ibetha, umsantsa uqhawukile, kwaye inxenye yentlawulo ye-overvoltage yaziswa emhlabeni, ethintela ukunyuka kwevolthi kwisixhobo esikhuselweyo. Umgama phakathi kweentonga ezimbini zentsimbi yomsantsa wokukhutshwa unokuhlengahlengiswa njengoko kufuneka, kwaye ulwakhiwo lulula, kwaye ukungalunganga kukuba ukusebenza kokucima i-arc kubi. Isikhewu sokukhutshwa okuphuculweyo sisithuba se-angular, kwaye umsebenzi wokucima i-arc ungcono kunalowo wangaphambili. Kubangelwa sisenzo samandla ombane F wesekethe kunye nokunyuka kokuhamba komoya oshushu ukucima i-arc.

2. Ityhubhu yokukhutshwa kwegesi:

Iqukethe iipleyiti ezibandayo ezimbi ezihlukanisiweyo enye kwenye kwaye zifakwe kwityhubhu yeglasi okanye ityhubhu yodongwe ezaliswe yirhasi ethile ye-inert (Ar). Ukuze wandise ukubakho kwetyhubhu yokukhutshwa, iarhente ebangela ikwabonelelwa ngombhobho wokukhupha. Olu hlobo lwetyhubhu ezele kukugcwalisa ityhubhu inohlobo lweepali ezimbini kunye nodidi lweepali ezintathu.

Iiparamitha zobugcisa zetyhubhu yokukhutshwa kwerhasi zezi: ukothusa ukukhupha i-voltage phezulu (Ngokubanzi, Up≈ (2 ~ 3) Udc; amandla ombane amelana ne-In yangoku; amandla okumelana ne-Ip yangoku; ukumelana ne-R (> 109Ω)); ubungakanani be-interelectrode (1-5PF)

Umbhobho wokukhupha irhasi ungasetyenziswa phantsi kwe-DC kunye neemeko ze-AC. I-DC ekhethiweyo yokukhutshwa kombane i-Udc imi ngolu hlobo lulandelayo: Sebenzisa phantsi kweemeko zeDC: Udc≥1.8U0 (U0 ngumbane wombane weDC ukuze umgca usebenze ngesiqhelo)

Sebenzisa phantsi kweemeko ze-AC: U dc ≥ 1.44Un (Un lixabiso le-rms yevolthi ye-AC yokusebenza kwesiqhelo komgca)

3.Umhleli:

Yintsimbi ye-oxide semiconductor varistor ene-ZnO njengeyona nto iphambili kuyo. Xa umbane osetyenzisiweyo kuzo zombini iziphelo ufikelela kwixabiso elithile, ukuxhathisa kuthatheka kakhulu kumbane. Umgaqo-nkqubo wokusebenza kwawo ulingana nothotho kunye nokunxibelelana okufanayo kwe-semiconductor PN. I-varistor ibonakaliswa ziimpawu ezilungileyo ezingekho kumgama (I = CUα, α ngumlingani ongahambelaniyo), amandla amakhulu okuhamba (~ 2KA / cm2), ephantsi kokuvuza okuqhelekileyo okukhoyo ngoku (10-7 ~ 10-6A), amandla ashiyekileyo ombane (kuxhomekeke Kwi ombane we varistor osebenzayo kunye nokuhamba kwamandla), ixesha lokuphendula kugqithiso lwexeshana olukhawulezileyo luyakhawuleza (~ 10-8s), akukho freewheeling.

Iiparamitha zobuchwephesha ze-varistor zii-varistor voltage (okt utshintsha i-voltage) i-UN, i-voltage yombane ye-Ulma; amandla ombane aseleyo; intsalela yamandla ombane K (K = Ures / UN); ubuninzi bokuhamba kwamandla Imax; ukuvuza ngoku; ixesha lokuphendula.

I-varistor isetyenziswa phantsi kwale miqathango ilandelayo: ombane we-varistor: UN ≥ [(√ 2 × 1.2) / 0.7] U0 (U0 ngumbane olinganisiweyo wamandla ombane)

Ombane esincinci ombane: Ulma 1.8 (2 ~ XNUMX) Uac (esetyenziswa phantsi kweemeko zeDC)

I-Ulma 2.2 (2.5 ~ XNUMX) iUac (esetyenziswa phantsi kweemeko ze-AC, iUac ngumbane osebenza nge-AC)

Owona mbane ubalaseleyo we-varistor kufuneka ugqitywe kukumelana namandla ombane wesixhobo se-elektroniki esikhuselweyo. Umbane oshiyekileyo we-varistor kufuneka ube sezantsi kunenqanaba levolthi yesixhobo se-elektroniki esikhuselweyo, okt (Ulma) max≤Ub / K. Apho u-K umyinge wentsalela yamandla ombane kunye ne-Ub yimbane yomonakalo yesixhobo esikhuselweyo.

4.Ukucofa diode:

I-diode yokucinezela inomsebenzi olinganiselweyo. Isebenza kwindawo yokuchasana nomva. Ngenxa yombane wayo wokubotshwa okuphantsi kunye nempendulo ekhawulezayo, ilungele ngokukodwa ukusetyenziswa njengezinto zokukhusela kwinqanaba lokugqibela kwiisekethe zokukhusela amanqanaba amaninzi. Iimpawu ze-volt-ampere yedayimani yoxinzelelo kwingingqi yokwahlulwa kwayo inokuchazwa ngale ndlela ilandelayo: I = CUα, apho α kungumlingani ongalinganiyo, kwiZener diode α = 7 ～ 9, kwi-avalanche diode α = 5 ～ 7.

Ukucinezelwa diode technical iparameters

(1) Uqhekeko lwevolthi, ebhekisa kumandla ombane kumonakalo ochaziweyo okhoyo ophindwe kabini (uhlala eyi-1ma), oqhele ukwenzeka kuluhlu lwe-2.9V ukuya kwi-4.7V yee-diode zeZener, kunye nokwahlulwa okulinganiselweyo kwee-diode ze-avalanche. Umbane onxibileyo uhlala ukwi-5.6V ukuya kwi-200V.

(2) Ubuninzi bevolthi yombane: Ibhekisa kumandla ombane aphezulu avela eziphelweni zombini zetyhubhu xa idlula umjelo omkhulu wefomathi ebekiweyo.

(3) Amandla okutsala amandla: Ibhekisa kwimveliso yamandla ombane aphezulu kumacala omabini etyhubhu kunye nokulingana ngoku kwityhubhu phantsi kwendlela yangoku echaziweyo (umzekelo, 10/1000 μs).

(4) Ukubuyisela umva umbane wombane: Kubhekiswa kumandla ombane aphezulu anokusetyenziswa kuzo zombini iziphelo zetyhubhu kwindawo yokuvuza eguqukayo, apho ityhubhu akufuneki idilike. Le volthi yokubuyisela umva endaweni yokubuyela umva ifanele ukuba ibe phezulu kakhulu kunamandla aphezulu ombane osebenza kwinkqubo ekhuselekileyo ye-elektroniki, okt, ayinakuba kwimeko yokuqhuba ebuthathaka ngexesha lokusebenza kwesiqhelo kwenkqubo.

(5) Ubuninzi bokuvuza ngoku: Kubhekisa kubunzulu obukhoyo ngoku obuhamba ngokutyhubela ityhubhu phantsi kwevolthi yokufuduka ebuyela umva.

(6) Ixesha lokuphendula: 10-11s

5. I-coil ekrwitshiweyo:

Ikhoyili yokutswina sisixhobo esiqhelekileyo sokuphazanyiswa kwesixhobo esineferrite njengombindi. Inxeba elilinganayo kwisiseko esinye se-ferrite toroidal ngamacala amabini alinganayo kunye nenani elifanayo lokujika. Ukwenza isixhobo esinee-terminal ezine, kuyafuneka ukucinezela ukunganyanzeliswa okukhulu kwesiginali yemodi eqhelekileyo, kwaye ayinampembelelo incinci kulwahlulo lomqondiso wendlela eyahlukileyo. Ikhoyili ekrwitshiweyo ingaluthintela ngokufanelekileyo uphawu lwendlela eqhelekileyo yokuphazanyiswa (njengokuphazamiseka kombane) kumgca olinganiselayo kodwa ayinampembelelo kwimowudi yendlela eyahlukileyo edlalwa ngumgca oqhelekileyo.

Ikhoyili yokutswina kufuneka ihlangabezane nezi mfuno zilandelayo xa iveliswa:

1) Amanxeba enxeba kumbindi wekhoyili kufuneka afakelwe ubushushu omnye komnye ukuqinisekisa ukuba akukho kuphuka kunqamlezayo kwenzeka phakathi kokujika kwekhoyili phantsi kogqithiso lwexeshana.

2) Xa ikhoyili ihamba ngomsindo omkhulu okhawulezileyo, isiseko asibonakali ngathi sigcwele.

3) Isiseko sekhoyili kufuneka sigqunywe ngekhoyili ukuthintela ukwaphuka phakathi kwezi zinto zimbini ziphantsi kokuhamba kwexesha.

I-4) Ikhoyili kufuneka inenxeba kangangoko inokuthi inciphise amandla e-parasitic coil kunye nokuphucula amandla ekhoyili kwi-overvoltage yangoko.

6. 1/4 wavelength mfutshane ujikeleza

I-1/4 wavelength crowbar sisikhuseli somqondiso se-microwave sokukhusela ngokusekwe kuhlalutyo lwembonakalo yamaza ombane kunye nethiyori emileyo yokuma kwe-eriyali feeder. Ubungakanani bentsimbi yokunciphisa intsimbi kulo mkhuseli usekwe kumaza esantya sokusebenza (umz. 900 MHz okanye 1800 MHz). Ubungakanani bobude be1 / 4 bumisiwe. Ubude obufutshane bentsimbi obunobude bunomda ongenasiphelo kumaza esantya sokusebenza, olingana nesekethe evulekileyo kwaye akuchaphazeli ukuhanjiswa komqondiso. Nangona kunjalo, kumaza ombane, kuba amandla ombane ahanjiswa ikakhulu ngezantsi kwe-n + KHZ, ibha yokunciphisa imitha yombane incinci, ilingana nesekethe emfutshane, inqanaba lamandla ombane likhutshelwa emhlabeni.

Kuba ububanzi be-1/4 ye-bar ye-shorting bar shorting bar is a millimeters ezimbalwa, uxinzelelo lwangoku lulungile, kwaye lunokufikelela kwi-30KA (8 / 20μs) okanye nangaphezulu, kwaye i-voltage eseleyo incinci. Umbane oshiyekileyo ubukhulu becala ubangelwa kukuzibamba kwe-bar yokunciphisa. Ukusilela kukuba ibhendi yamandla imxinwa kwaye i-bandwidth imalunga ne-2% ukuya kwi-20%. Enye into engalunganga kukuba i-DC bias ayinakusetyenziswa kwi-eriyali feeder, ethintela ezinye izicelo.

Isekethe esisiseko

Ukujikeleza kwesikhuseli sokukhusela kuneefom ezahlukeneyo ngokweemfuno ezahlukeneyo. Izinto ezisisiseko zezi ntlobo ziliqela zikhankanywe apha ngasentla. Umphandi wemveliso yokhuselo lombane owaziwayo angayila iisekethe ezahlukeneyo, njengebhokisi yeebhloko ezinokusetyenziswa. Iipateni ezahlukeneyo zolwakhiwo. Luxanduva lwabasebenzi abakhusela umbane ukuphuhlisa iimveliso ezifanelekileyo nezonga imali.

Ukhuseleko oluhleliweyo

Isikhuseli sombane sokuqala somkhuseli sokukhusela umbane sinokuphaphaza ngombane ngokuthe ngqo okanye wophe xa umgca wokuhambisa umbane uphantsi kwesitrayikhi sombane ngqo. Kwiindawo ezinokubakho ngqo umbane, IKLASI-I kufuneka yenziwe. Ukukhusela umbane. Inqanaba lesibini lokubanjwa kombane sisixhobo esikhuselayo kumbane oshiyekileyo wesiphelo sombane wokhuseleko kunye nombane owenziwe ngumbane kuloo ndawo. Xa kukho ukufakwa kwamandla amakhulu ombane kwinqanaba langaphambili, kusekho inxenye yezixhobo okanye isixhobo sokukhusela umbane kwinqanaba lesithathu. Yisixa esikhulu samandla esiya kudluliselwa kwaye sidinga inqanaba lesibini lokubanjwa ukuze lifunxe ngakumbi. Kwangelo xesha, umgca wokuhambisa umbane wenqanaba lokuqala oza kubamba umbane uya kubangela umbane ophembelela umbane we-LEMP. Xa umgca umde ngokwaneleyo, amandla ombane akhulayo aba mkhulu ngokwaneleyo, kwaye inqanaba lesibini lokukhuselwa kombane liyafuneka ukukhupha amandla ombane. Inqanaba lesithathu lokubamba umbane likhusela i-LEMP kunye namandla ashiyekileyo ngombane kwinqanaba lesibini.

Inqanaba lokuqala lokukhusela

Injongo yomkhuseli wokunyuka kukuthintela amandla ombane aqhutywa ngokuthe ngqo ukusuka kwindawo ye-LPZ0 ukuya kwindawo ye-LPZ1, ukunciphisa amandla ombane wokunyuka wamashumi amawaka ukuya kumawaka amawaka eettshi ukuya kwi-2500-3000V.

Isikhuseli sokukhuphuka esifakwe kwicala elisezantsi lombane wombane sombane sisigaba esithathu samandla ombane oswitsha wombane obamba umbane. Ukuhamba kombane akufuneki kube ngaphantsi kwe-60KA. Umbane obamba umbane kule klasi uya kuba ngumbane omkhulu oza kubamba umbane oqhagamshelwe phakathi kwezigaba zokungena kwenkqubo yomsebenzisi kunye nomhlaba. Ngokubanzi kuye kufuneke ukuba umkhuseli wokunyusa amandla wale klasi unefuthe elingaphezulu kwe-100KA kwisigaba ngasinye, kwaye umbane ofunekayo ungaphantsi kwe-1500V, ebizwa ngokuba yi-CLASS I yamandla okukhusela amandla kunye nomkhuseli wokunyuka. Eyilelwe ukumelana nemisinga ephezulu yombane kunye nemibane ebengezelayo, kunye nokutsala amandla amakhulu ombane, aba bamba ngombane ababamba isixa esikhulu sokungena kwangoku emhlabeni. Banikezela kuphela ngombane othintelayo (amandla ombane aphezulu abonakala emgceni xa inrush yangoku igeleza kumbanjwa wokubonelela ngombane ubizwa ngokuba ngumda ombane othintelayo). Umkhuseli weKLASI I umkhuseli ubukhulu becala usetyenziselwa ukufunxa imisinga enkulu yokungena, kuphela abanako ukukhusela ngokupheleleyo izixhobo zombane ezibuthathaka ngaphakathi kwenkqubo yokuhambisa umbane.

Umkhuseli wenqanaba lokuqala lokukhusela umbane unokukhusela ngokuchasene ne-10 / 350μs kunye ne-100KA amaza ombane kwaye ahlangabezane nemigangatho ephezulu yokukhusela ebekwe yi-IEC. Isalathiso sobuchwephesha simi ngolu hlobo lulandelayo: umbane ubhabha mkhulu okanye ulingana ne-100KA (10 / 350μs); intsalela yombane ayikho nkulu kune-2.5KV; ixesha lokuphendula lingaphantsi okanye lilingana ne-100ns.

Inqanaba lesibini ukhuseleko

Injongo yomkhuseli wokunyuka kukuqhubela phambili ukunciphisa umda wombane oshiyekileyo kwinqanaba lokuqala lokubamba umbane ukuya kwi-1500-2000V kunye nokuxhuma ngokufanelekileyo i-LPZ1-LPZ2.

Umbane ohambisa umbane okhutshwe ngumgca wekhabhathi yokuhambisa uya kuba sisixhobo sokukhusela umbane njengesixhobo sokukhusela inqanaba lesibini. Umbane wangoku awuyi kuba ngaphantsi kwe-20KA. Iya kufakwa kunikezelo lwamandla kwizixhobo zombane ezibalulekileyo okanye ezibuthathaka. Isikhululo sokuhambisa indlela. Aba babanji bamandla babonelela ngokufakwa okungcono kwamandla okusala okushiyekileyo ngokusebenzisa umntu obambayo kwindawo yokungena yombane kwaye unoxinzelelo olugqithisileyo lwezinto ezibalekayo zethutyana. Amandla okubamba amandla asetyenziswe kule ndawo afuna ubuninzi bempembelelo ye-45kA okanye nangaphezulu kwisigaba ngasinye, kwaye umbane ofunekayo kufuneka ube ngaphantsi kwe-1200V, ebizwa ngokuba IKLASI II umbane ubamba umbane. Inkqubo yokuhambisa umbane yomsebenzisi ngokubanzi inokufikelela kwinqanaba lokukhuselwa kwinqanaba lesibini ukuhlangabezana neemfuno zokusebenza kwezixhobo zombane.

Isikhuseli samandla esigaba sesibini samkela umkhuseli weCandelo C ukulungiselela isigaba-ukuya-kwinqanaba, isigaba somhlaba kunye nokhuseleko olugcweleyo lomhlaba ophakathi. Iiparameter zobuchwephesha eziphambili zezi: amandla okuhamba kombane amakhulu okanye alingana no-40KA (8 / 20μs); intsalela yombane Ixabiso eliphakamileyo alikho ngaphezu kwe-1000V; ixesha lokuphendula alikho ngaphezulu kwe-25ns.

Inqanaba lesithathu lokhuselo

Injongo yomkhuseli wokukhusela ekugqibeleni kukukhusela izixhobo ngokunciphisa amandla ombane ashiyekileyo ukuya ngaphantsi kwe-1000V ukuze amandla okunyusa angonakalisi izixhobo.

Xa isixhobo sokukhusela umbane sifakelwa kwisiphelo esingenayo sokunikezelwa kwamandla e-AC kwezixhobo zolwazi zombane kusetyenziswa njengokhuseleko lwenqanaba lesithathu, iya kuba sisixhobo sothintelo lombane sesixhobo sokukhusela umbane, kunye nombane umthamo wangoku awuyi kuba ngaphantsi kwe-10KA.

Umgca wokugqibela wokukhusela umkhuseli wokunyuka unokusetyenziswa kunye nomkhuseli wamandla owakhelweyo ngaphakathi kunikezelo lwangaphakathi lomthengi ukufezekisa ukupheliswa okupheleleyo kweevolvathi ezincinci ezidlulileyo. Amandla okubamba amandla asetyenzisiweyo apha afuna ubuninzi bempembelelo ye-20KA okanye ngaphantsi ngesigaba ngasinye, kwaye amandla ombane afunekayo kufuneka abe ngaphantsi kwe-1000V. Kuyimfuneko ukuba ne- inqanaba lesithathu lokhuseleko izixhobo ezithile ze-elektroniki ezibaluleke ngokukodwa okanye ezibuthathaka, kunye nokukhusela izixhobo zombane kwizinto ezingaphaya kwetshiphu eziveliswe ngaphakathi kwenkqubo.

Ukubonelela ngombane osetyenzisiweyo kwizixhobo zonxibelelwano ze-microwave, izixhobo zonxibelelwano zesikhululo esiphathwayo kunye nezixhobo zeradar, kufuneka ukhethe Isixhobo sokukhusela umbane DC kunye nokulungiswa kwamandla ombane njengokhuseleko lokugqibela kwinqanaba lokukhusela umbane osebenzayo.

Inqanaba 4 nangaphezulu

Umkhuseli wokunyuka ngokwenqanaba lokumelana namandla ombane kwizixhobo ezikhuselweyo, ukuba ukhuseleko oluphakathi kwamanqanaba amabini lunokufezekisa umda wombane ongaphantsi kwenqanaba levolve yezixhobo, kufuneka kuphela ukuba enze amanqanaba amabini okhuselo, ukuba izixhobo ziyamelana namandla ombane inqanaba liphantsi, kunokufuna amanqanaba amane okanye nangaphezulu okhuseleko. Ukukhuselwa kwinqanaba lesine lokuhamba kombane akufuneki kube ngaphantsi kwe-5KA.

Indlela yokufaka

1, iimfuno zofakelo oluqhelekileyo lwe-SPD

Umkhuseli wokunyuka ufakwe ngololiwe oqhelekileyo o-35mm

Kwii-SPD ezimiselweyo, la manyathelo alandelayo kufuneka elandelwe ukufakelwa rhoqo:

1) Misela ukukhutshwa kwendlela yangoku

2) Phawula ucingo ngenxa yokwehla kwamandla ombane angaphezulu okubangelwa sisiphelo sesixhobo

3) Ukuthintela ii-loop ezingafunekiyo, phawula umqhubi we-PE kwisixhobo ngasinye.

4) Ukuseka ubudlelwane obuxhobileyo phakathi kwesixhobo kunye ne-SPD.

5) Ukulungelelanisa ukulungelelaniswa kwamandla kwe-SPD yamanqanaba amaninzi

Ukunciphisa umda wokudibanisa ngaphakathi kwendawo ekhuselweyo efakiweyo kunye nenxalenye engakhuselekanga yesixhobo, imilinganiselo ethile iyafuneka. Ukunyanzeliswa kwamacala omabini kunokuncitshiswa ngokwahlulwa komthombo woluvo kwisekethe yedini, ukhetho lwe-loop angle, kunye nokusikelwa umda kwendawo evaliweyo.

Xa ikhondaktha yangoku yecandelo lokuqhuba liyinxalenye yeluphu evaliweyo, iluphu kunye namandla ombane ancitshisiwe njengoko umqhubi esondela kwisekethe.

Ngokubanzi, kungcono ukwahlula ucingo olukhuselweyo kwintambo engakhuselekanga kwaye kufuneka yahlulwe kucingo lomhlaba. Kwangelo xesha, ukuthintela ukudibana kwe-quadrature okwethutyana phakathi kwentambo yombane kunye nentambo yonxibelelwano, kufuneka kwenziwe imilinganiselo efanelekileyo.

2, ukhetho lokulinganisa ububanzi be-SPD

Umgca wedatha: Imfuno inkulu kune-2.5mm²; xa ubude budlula i-0.5m, kufuneka ubengaphezulu kwe-4mm².

Umgca we-Powerline: Xa umgca wecandelo lendawo enqamlezayo yecandelo S≤16mm², umgca womhlaba usebenzisa i-S; xa umgca wecandelo elinqamlezayo liyi-16mm²≤S≤35mm², umgca womhlaba usebenzisa i-16mm²; xa umgca wecandelo lendawo enqamlezayo yecandelo S≥35mm²Umgca womhlaba ufuna i-S / 2.

Iiparitha eziphambili

1. Amandla ombane Un: Amandla ombane alinganisiweyo enkqubo ekhuselweyo ayahambelana. Kwinkqubo yetekhnoloji yolwazi, le parameter ibonisa uhlobo lomkhuseli ekufuneka lukhethwe, olubonisa ixabiso elisebenzayo levolthi ye-AC okanye ye-DC.

2. Umbane olinganisiweyo u-Uc: unokusetyenziswa kwisiphelo esichaziweyo somkhuseli ixesha elide ngaphandle kokubangela utshintsho kwiimpawu zomkhuseli kunye nokwenza ukuba amandla aphezulu ombane asebenze kwinto yokukhusela.

3. Ukulinganiswa kokukhutshwa kwe-Isn yangoku: Elona xesha liphezulu lokungxamiseka kokukhusela ukuba umkhuseli anyamezeleke xa kumaza umbane oqhelekileyo kunye nefomathi ye-8/20 μs isetyenziswa kumkhuseli amaxesha ali-10.

4. Ukukhutshwa okuphezulu kwangoku i-Imax: Elona xesha liphezulu lokungxamiseka kokukhusela ukuba umkhuseli anyamezeleke xa kusenziwa umbane oqhelekileyo ngombane onomtsalane we-8/20 μs kumkhuseli.

5. Inqanaba lokhuselo lweVoltage phezulu: Elona xabiso liphezulu lomkhuseli kwezi mvavanyo zilandelayo: umbane we-flashover kwithambeka le-1KV / μs; ombane oshiyekileyo wokukhutshwa ngokulinganisiweyo okwangoku.

6. Ixesha lokuphendula tA: Ubuntununtunu bentshukumo kunye nexesha lokwahlulwa kwecandelo lokhuselo elikhethekileyo ikakhulu ekubonakaliseni umkhuseli, kwaye utshintsho ngexesha elithile luxhomekeke kwithambeka le-du / dt okanye di / dt.

7. Idatha yokuhanjiswa kwedatha Vs: ibonisa ukuba mangaphi amaxabiso amaxabiso ahanjiswayo ngomzuzwana omnye, iyunithi yile: bps; lixabiso lesalathiso sesixhobo sokhuseleko sombane esikhethwe ngokuchanekileyo kwinkqubo yokuhambisa idatha, kwaye inqanaba lokuhambisa idatha ngesixhobo sokhuseleko sombane sixhomekeke kwindlela yokuhambisa yenkqubo.

8. Ukuphulukana nelahleko ye-Ae: Umyinge wevolthi ngaphambi nasemva kokufakwa komkhuseli kwisantya esinikiweyo.

9. Ukubuyisa Ilahleko Ar: Ibonisa umda wegagasi elikhokelayo elibonisiweyo ngesixhobo sokhuselo (indawo yokubonisa), eyiparameter ebeka ngokuthe ngqo ukuba ngaba isixhobo sokhuselo siyahambelana na nenkqubo yempazamo.

10. Ukukhutshwa okuphezulu okwangoku: kubhekisa kwixabiso eliphakamileyo lobuninzi obukhuselweyo obukhuselweyo phantsi komkhuseli wombane oqhelekileyo kunye nefomathi ye-8 / 20μs kumhlaba ngamnye.

11. Ukukhutshwa okuphezulu kwangoku kwangoko: Elona thuba liphezulu lokungxala okwenziwe ngumkhuseli xa umtshangatshangiso wombane oqhelekileyo kunye nefomathi ye-8 / 20μs isetyenziswa phakathi komgca kunye nomgca.

12. Impedance ekwi-Intanethi: ibhekisa kwisibalo se-impedance kunye ne-inductive reaction of the loop egeleza kumkhuseli phantsi kwegama ombane u-Un. Idla ngokubizwa ngokuba yi "impedance yenkqubo."

13. Ukukhutshwa kwencopho yangoku: Kukho iindidi ezimbini: ukukhutshwa okulinganiselweyo kwe-Isn yangoku kunye nokukhutshwa okuphezulu kwe-Imax yangoku.

14. Ukuvuza okukhoyo ngoku: kubhekisa kwi-DC yangoku ehamba kumkhuseli kumandla ombane angama-75 okanye angama-80.

Ihlelwe ngokomgaqo osebenzayo

1. Uhlobo lokutshintsha: Umgaqo wokusebenza komkhuseli wokunyusa kukuphakama okuphezulu xa kungekho kugqithisa kwangoko, kodwa nje ukuba uphendule ngombane okhawulezileyo, impedance yayo iya kutshintsha ngequbuliso iye kwixabiso eliphantsi, ivumele umbane ukuba udlule. Xa sisetyenziswa njengesixhobo, esi sixhobo sine: umsantsa wokukhupha, ityhubhu yokukhupha irhasi, ityristor, kunye nezinye.

2. Uhlobo lokunciphisa umda wevolthi: Umgaqo wokusebenza komkhuseli wokunyusa kukuphakama okuphezulu xa kungekho kugqithisa okwethutyana, kodwa i-impedance yayo iya kuncipha ngokuqhubekayo ngokwanda kokunyuka kwamandla ombane kunye neevolthi, kunye neempawu zayo zangoku kunye neevolthi azihambelani ncam. Izixhobo ezisetyenziswa kwezi zixhobo zezi: i-zinc oxide, i-varistors, ii-diode zokucinezela, ii-diode ze-avalanche, kunye nezinye.

3. Ukwahlula okanye isiphithiphithi:

Uhlobo lwe-Shunt: Ngokuhambelana nesixhobo esikhuselweyo, sibonisa ukunganyanzeleki okuphantsi kokubetha kombane kunye nokuphakama okuphezulu kumaxesha aqhelekileyo okusebenza.

Uhlobo lwesiphithiphithi: Kuluhlu kunye nesixhobo esikhuselweyo, sibonisa ukunganyanzeleki okuphezulu kumbane kunye nokunyanzeliswa okuphantsi kumaxesha aqhelekileyo okusebenza.

Izixhobo ezisetyenziswa kwezi zixhobo zezi: ukuminxeka iikhoyili, iifilitha zokupasa eziphakamileyo, iifilitha zokupasa ezisezantsi, iikhati ezimfutshane zekhephu, nokunye okunjalo.

Ukusetyenziswa kwesiKhuseli soKhuseleko lweSoftware SPD

(1) Umkhuseli wamandla: umkhuseli wamandla we-AC, umkhuseli wamandla we-DC, utshintsha umkhuseli wamandla, njl.

Imodyuli yokukhusela umbane ye-AC ilungele ukukhuselwa kwamandla kwamagumbi okuhambisa umbane, iikhabhathi zokuhambisa umbane, ukutshintsha iikhabhathi, iiphaneli zokuhambisa umbane ze-AC / DC, njl.

Kukho iibhokisi zokuhambisa igalelo zangaphandle kunye neebhokisi zokuhambisa umaleko kwisakhiwo;

Kwamandla ombane asezantsi (220 / 380VAC) iigridi zamandla emizi-mveliso kunye neigridi zamandla oluntu;

Kwinkqubo yamandla, isetyenziselwa ikakhulu ukufakwa okanye ukuphuma kwamandla esigaba esithathu kwiscreen sokubonelela ngombane kwigumbi lolawulo eliphambili kwigumbi lomatshini wokuzenzekelayo okanye isikhululo.

Ilungele iinkqubo ezahlukeneyo zamandla e-DC, ezinje:

Iphaneli yokuhambisa umbane yeDC;

Izixhobo zombane zeDC;

Ibhokisi yokuhambisa yeDC;

Inkqubo yekhompyutha yolwazi;

Iziphumo zombane wesibini.

(2) Umkhuseli wesiginali: umkhuseli wesignali yamaza asezantsi, umkhuseli wesantya esiphezulu, isikhuseli se-eriyali, njl.

Isixhobo senethiwekhi sokukhusela umbane ngesixhobo:

Ukukhuselwa kwamandla okukhuseleka okubangelwa yimibane kunye nemibane ye-electromagnetic pulses yezixhobo zenethiwekhi ezifana ne-10 / 100Mbps SHINTSHA, I-HUB, ROUTER; Igumbi lenethiwekhi likhusela inethiwekhi; Ukukhusela iseva yegumbi lenethiwekhi; Igumbi lenethiwekhi olunye ukhuseleko lwezixhobo zonxibelelwano;

Ibhokisi yokukhusela umbane edibeneyo engama-24 isetyenziselwa ukukhusela kwindawo enye yamajelo amajelo amaninzi kwiikhabhathi zomnatha ezihlanganisiweyo kunye nakwiikhabhathi ezitshintshayo.

Isixhobo sokukhusela umbane wevidiyo:

Umkhuseli wokukhusela usetyenziselwa ikakhulu ukukhusela inqaku-ukuya-kwinqanaba lwezixhobo zeempawu zevidiyo. Inokukhusela izixhobo ezahlukeneyo zokuhambisa ividiyo ukusuka kwisitayile sombane esinyusiweyo kunye nokunyusa amandla ombane ukusuka kumgca wokuhambisa umboniso. Kukwasebenza nakusasazo lwe-RF phantsi kwombane ofanayo osebenzayo. Ibhokisi ekhuselekileyo yevidiyo yokukhuselwa kombane isetyenziselwa ikakhulu ukukhusela izixhobo zolawulo ezinje ngee-disk ezirekhodiweyo kunye nabasiki bevidiyo kwikhabhathi yolawulo ehlanganisiweyo.

Ukhuseleko lweBrand Brand

Abona babanjwa baxhaphakileyo kwintengiso zezi: China LSP surge protector, Jikelele OBO protector, DEHN surge protector, PHOENIX surgeon protector, US ECS surge protector, US PANAMAX protector protector, US POLYPHASER Surge protector, France Soule surge protector , UK ESP Furse yokukhusela umkhuseli njl.