Kuvhiya Kudzivirirwa Kudzivirira SPD

Kuchengetedzwa Kudzivirirwa Kudzivirira SPD inonziwo kusungwa kwekusungwa, Vadziviriri vese vechinangwa chaicho chaicho rudzi rwekukurumidza kuchinja, uye muchengeti wekudzivirira anoshandiswa mukati meimwe magetsi. Mushure mekumisikidzwa, chidimbu chekudzvanyirira chedziviriro chekudzivirira chichagurwa kubva kune yakakwira-impedance nyika, uye iyo L pole inozoshandurwa kuita yakaderera-kuramba nyika. Nenzira iyi, yemuno simba rekuwedzera magetsi mune yemagetsi mudziyo inogona kuvhurwa. Munguva yese mheni yekuita, iyo yekudzivirira inodzivirira inozo chengetedza yakaenzana inowirirana magetsi padanda. Aya magetsi anovimbisa kuti dziviriro yekumusoro inogara iripo uye inogona kuburitsa zvakachengeteka kuitika kwazvino pasi. Mune mamwe mazwi, vadziviriri vekudzivirira vanochengetedza zvemagetsi zvemagetsi kubva pamhedzisiro yezviitiko zvemheni, kushandura chiitiko pane yeruzhinji grid, magetsi ekugadzirisa maitiro, uye rimwe simba rinogadzirwa neyemukati nekunze zviitiko zvenguva pfupi.

kunyoresa

Mheni ine kutyisidzira kuri pachena kune kuchengetedzeka kwemunhu uye inokonzeresa kutyisidzira kumidziyo yakasiyana Iko kukuvara kwemagetsi kufambisa kumidziyo haina kuganhurirwa kunongedza mheni inorova. Mheni dzepedyo-ranzi dzinokanganisa zvakanyanya zvigadzirwa zvemagetsi zvemazuva ano; kune rimwe divi, chiitiko chemheni chiri kure uye kubuda pakati pekutinhira kunogona kuumba yakasimba mafashama emagetsi mune emagetsi uye zviratidzo zvemasaini, kuitira kuti zvakajairika kuyerera zvishandiso zvakajairika. Mhanya uye kupfupisa hupenyu hwechishandiso. Mheni yazvino inoyerera nepasi nekuda kwekuvapo kwekumanikidza kwepasi, iyo inogadzira yakakwira voltage. Iyi yepamusoro voltage haingotyisidzi zvigadzirwa zvemagetsi asiwo inokanganisa hupenyu hwevanhu nekuda kwematanho emagetsi.

Kuwedzera, sekutaurwa kwezita iri kupfuurika kwenguva inopfuura iyo yakajairika voltage yekushandisa. Mukukosha, dziviriro yekumhanyisa ndeyekupomba kwechisimba kunoitika mumamirioni mashoma echipiri uye kunogona kukonzeresa kuwanda: michina inorema, maseketi mapfupi, switch yemagetsi, kana mainjini makuru. Zvigadzirwa zvine vanosunga vanosunga vanogona kunyatso kutora pakarepo simba rinoputika kuchengetedza michina yakabatana kubva mukukuvara.

Anodzivirira, anonziwo mheni inosunga, chishandiso chemagetsi chinopa chengetedzo kune akasiyana emagetsi zvigadzirwa, zviridzwa, uye tambo dzekutaurirana. Kana imwe yazvino kana yemagetsi ikangoerekana yagadzirwa mudunhu remagetsi kana tambo yekutaurirana nekuda kwekukanganisa kwekunze, muchengeti wekudzivirira anokwanisa kuitisa shunt munguva pfupi, nekudaro achidzivirira kukuvara kwemimwe michina mudunhu nekuwedzera.

Zvimwe Zvikamu

Mudziviriri wekudzivirira ane yakakura kuyerera chiyero, yakaderera masarari emagetsi uye nekukurumidza kupindura nguva;

Shandisa yazvino arc kudzimisa tekinoroji kudzivirira zvachose moto;

Kupisa kwekushisa chengetedzo wedunhu ine yakavakirwa-mukati ekudziya ekudzivirira;

Iine chinzvimbo chemasimba chinoratidza chinzvimbo chinoshanda cheanodzivirira;

Maumbirwo akaomarara uye basa rakagadzikana uye rakavimbika.

Terminology

1, Mhepo-inogumisa system

Vadziviriri vekudzivirira vanoshandiswa pazvinhu zvesimbi uye masimbi masisitimu ayo anogamuchira kana kumira mheni dzemheni, senge mheni, mabhandi ekudzivirira mheni (mitsara), mheni yekudzivirira mheni, nezvimwe.

2, Pasi conductor system

Mudziviriri wekudzivirira unobatanidza iyo simbi conductor yemheni inogamuchira kune chishandiso chevhu.

3, pasi kugumisa system

Huwandu hwePasi electrode nePasi conductor.

4, Nyika electrode

Muimbi wesimbi akavigwa muvhu iro rakanangana nepasi. Iyo inozivikanwawo sedanda rekumisikidza. Nhengo dzesimbi dzakasiyana siyana, simbi simbi, pombi dzesimbi, michina yesimbi, nezvimwewo zvinonangana nepasirese zvinogona zvakare kushanda sePasi electrode, iyo inonzi yakasikwa Earth electrode.

5, Pasi conductor

Unganidza waya dzekubatanidza kana makondakita eiyo yekumisikidza mudziyo kubva kunzvimbo yekumisikidza yemidziyo yemagetsi kune waya dzinobatanidza kana ma conductor echigadziko kubva pazvinhu zvesimbi zvinoda equipotential bonding, iyo yakazara grounding terminal, iyo grounding pfupiso bhodhi, iyo yakazara grounding bhaa, uye iyo equipotential yekubatanidza.

6, Yakanangana nemheni kupenya

Mheni yakananga inorova pazvinhu chaizvo zvakaita sezvivakwa, ivhu kana magetsi ekuchengetedza.

7, Kudzoka flashover

Mheni yazvino inopfuura nepanzvimbo yekumisikidza kana pasi pevhu kukonzeresa shanduko mune kugona kwepasi kwenzvimbo. Ground inogona kupokana inogona kukonzera shanduko mune yevhu system system inogona, iyo inogona kukonzera kukuvara kwemagetsi zvigadzirwa nemagetsi zvigadzirwa.

8, Mheni yekudzivirira system (LPS)

Vadziviriri vekudzivirira vanoderedza kukuvara kunokonzerwa nemheni kune zvivakwa, kuiswa, nezvimwe, kusanganisira zvekunze uye zvemukati zvekudzivirira magetsi.

8.1 External mheni yekudzivirira system

Chikamu chekudzivirira kwemheni chikamu chekunze kana muviri wechivako. Mudziviriri wedutu anowanzo kuve neyemheni inogamuchira mheni, pasi conductor uye chigadziko chekudzivirira kudzivirira zvakananga mheni.

8.2 Yemukati yekudzivirira mheni system

Chikamu chekudzivirira mheni mukati meimba (chimiro), iyo yekudzivirira inodzivirira kazhinji ine equipotential bonding system, yakajairwa grounding system, inodzivirira sisitimu, inonzwisisika waya, inodzivirira dziviriro, nezvimwe, zvinonyanya kushandiswa kudzora uye kudzivirira mheni dzazvino Iyo yemagetsi mhedzisiro inogadzirwa mukati nzvimbo yekudzivirira.

ongororo

Njodzi dzemheni ndeimwe yenjodzi dzinongoitika dzoga. Kune akuwanda asingaverengeke uye kurasikirwa kwepfuma kunokonzerwa nenjodzi dzemheni gore rega rega mupasi. Iine huwandu hukuru hwekushandisa kwemagetsi uye microelectronic yakasanganiswa michina, kukanganisa kwemaitiro nemidziyo inokonzerwa nemagetsi kuwandisa uye mheni magetsi emagetsi ari kuwedzera. Naizvozvo, zvakakosha kuti tigadzirise dambudziko remheni rekuchengetedza njodzi yezvivakwa uye nemagetsi masisitimu eruzivo nekukurumidza.

Kuwedzera kwekudzivirira mheni kubuda kunogona kuitika pakati pemakore kana makore, kana pakati pemakore nepasi; pamusoro pekuwedzera kwemukati kunokonzerwa nekushandiswa kwemazhinji emagetsi-emagetsi emagetsi, magetsi (China yakaderera-magetsi magetsi sisitimu yakajairwa: AC 50Hz 220 / 380V) uye kukanganisa kwemidziyo yemagetsi uye kudzivirirwa pamheni uye kuwedzera yazova iyo yekutarisisa.

Mheni inorova pakati pegore nepasi pemudziviriri wekusimudza inosanganisira imwe kana akati wandei mheni dzakasiyana, imwe neimwe iine huwandu hwemasaisai akakwirira ane nguva pfupi. Iyo chaiyo mheni inoburitsa inosanganisira maviri kana matatu mheni inorova, ingangoita imwe-makumi maviri yechipiri pakati pega mheni inorova. Mvura zhinji dzemheni dzinodonha pakati pezviuru gumi kusvika pamazana emazana amps, uye nguva yadzo inowanzo kuve isingasviki 10,000 microseconds.

Iko kushandiswa kwemidziyo yakakura-inokwana uye inverter michina mune yekudzivirira inodzivirira magetsi sisitimu yekuunza kwaunza kunetseka kwakanyanya kuri mukati kwemukati Isu tinozvipa icho kumhedzisiro yeinononoka kuputika (TVS). Iyo inobvumidzwa renji yemagetsi emagetsi magetsi iripo kune chero chinhu chinofambiswa mudziyo. Dzimwe nguva kunyangwe kudzvinyirira kwakanyanya kutenderera kunogona kukonzera simba kana kukuvara kumidziyo. Izvi ndozvinoitika nekukanganisa kwemvura inopfuura (TVS). Kunyanya kune mamwe anonzwisisika emagetsi michina, dzimwe nguva kuwedzera kudiki kunogona kukonzera kukuvara kunouraya.

Iine izvo zvinowedzera kuomarara zvinodikanwa zvekudzivirira mheni yemidziyo inoenderana, kuiswa kweSurge Kudzivirirwa Midziyo (SPD) kudzvinyirira ma surges uye nekupfuura kwepashure pamutsara uye kuwanda pane iyo bleeder mutsetse chave chikamu chakakosha chemazuva ano mheni yekudzivirira matekinoroji. Poshi.

1, mheni maitiro

Kuchengetedzwa kwemheni kunosanganisira kudzivirira kwekunze kwemheni uye kuchengetedza kwemheni mukati. Kudzivirirwa kwemheni kwekunze kunonyanya kushandiswa kumagetsi mheni (matanda emheni, mambure ekudzivirira mheni, mabhandi ekudzivirira mheni, mitsara yekudzivirira mheni), pasi makondakita, nemidziyo yekumisikidza. Basa hombe remudziviriri wedziviriro ndere kuona kuti muviri wekuvaka unodzivirirwa kubva kumheni dzakananga. Mheni dzinogona kurova chivakwa dzinoburitswa muvhu kuburikidza nemheni (mabhanhire, mambure, waya), pasi makondakita, nezvimwe. Kudzivirirwa kwemheni kwemukati kunosanganisira kudzivirira mheni, mitsetse, mitsetse yepasi, kupenga kwemheni, uye magetsi nemagetsi. induction. Maitiro acho akavakirwa kuine equipotential kubatana, kusanganisira kubatana kwakanangana uye kusabatana kwakananga kuburikidza nePSD, kuitira kuti muviri wesimbi, tambo yemidziyo nepasi zviumbe muviri une mamiriro, uye zvivakwa zvemukati zvakavharwa uye zvinofambiswa nemheni uye mamwe ma surges. Mheni yazvino kana yazvino inoburitswa muvhu kuchengetedza kuchengetedzeka kwevanhu nemidziyo muchivako.

Mheni inoratidzirwa nekukurumidza kwazvo kukwira kwemhepo (mukati me10μs), yakakwira yepamusoro voltage (makumi ezviuru kusvika kumamirioni evolts), hombe razvino (makumi emazana ezviuru emamps), uye inguva pfupi (makumi kusvika kumazana ema microseconds)), iyo yekumhanyisa kumhanyisa inokurumidza (kuendesa nekumhanya kwechiedza), simba rakakura kwazvo, uye ndiyo inoparadza zvakanyanya pakati pemhepo dzekuwedzera.

2, kupatsanurwa kwevadziviriri vekuwedzera

SPD chishandiso chakakosha chekudzivirira mheni yemidziyo yemagetsi. Basa rayo kudzora kuputika kwechimbichimbi kwetambo yemagetsi uye tambo yekufambisa chiratidzo kune iyo voltage renji iyo michina kana system inogona kumira, kana kuburitsa mheni ine simba iripo muvhu. Chengetedza midziyo yakachengetedzwa kana masystem kubva kune anovhunduka.

2,1 Kurongwa nekushanda musimboti

Yakarongedzwa zvinoenderana neshanduro yavo yekushanda, SPD inogona kuganhurwa kuita voltage switch mhando, magetsi muganho mhando uye musanganiswa mhando.

(1) Voltage chinja mhando SPD. Mukushayikwa kwemhepo inopfuura nguva, inoratidzira kukwirira kwemhepo. Kana ikango pindura kune mheni inopfuura kupisa, iyo impedance inochinja kune yakaderera impedance, ichibvumira mheni iripo kupfuura, inozivikanwa zvakare se "pfupi-redunhu switch mhando SPD".

(2) Kumanikidza kudzikisira SPD. Kana pasina yekudonha kwenguva pfupi, imhedheni yepamusoro, asi sekuwedzera kuri kuita magetsi nemagetsi, impedance yayo icharamba ichiderera, uye zvazvino uye nemagetsi zvine mutsindo zvisingaite, dzimwe nguva zvinonzi "clamped type SPD".

(3) Yakasanganiswa SPD. Iko kusanganisa kwemagetsi ekuchinja mhando chinhu uye nemagetsi anodzora mhando yechinhu, icho chinogona kuratidzwa senge magetsi anoshandura mhando kana mhando yemagetsi inodzora kana ese ari maviri, zvinoenderana nehunhu hwemagetsi akashandiswa.

2.2 Kupatsanura nechinangwa

Zvinoenderana nekushandisa kwavo, SPD inogona kukamurwa kuita simba mutsetse SPD uye chiratidzo chiratidzo SPD.

2.2.1 Simba Mutsetse SPD

Sezvo simba remheni richirova rakakura kwazvo, zvinodikanwa kuti zvishoma nezvishoma ubudise mheni yekurova simba pasi nekushandisa kuburitsa kubuda. Isa dziviriro yekudzivirira kana gadziriso-inodzivirira yekumusoro inodzivirira iyo inopasa iyo Chikamu I bvunzo bvunzo pamharadzano yenzvimbo yekudzivirira mheni yakananga (LPZ0A) kana iyo yakanangana nemheni yekudzivirira nzvimbo (LPZ0B) uye nzvimbo yekutanga yekudzivirira (LPZ1). Kudzivirirwa kwepakutanga, iyo inoburitsa mheni yakananga yazvino, kana kuburitsa huwandu hwesimba rakaitiswa kana tambo yemagetsi yekufambisa ichinge yatariswa nemheni. Mhepo inodzora inodzivirira inodzivirirwa yakaiswa panosangana nzvimbo yega yega (inosanganisira iyo LPZ1 zone) kuseri kwenzvimbo yekutanga yekudzivirira sepiri, chechitatu kana chepamusoro dziviriro. Iyo yechipiri-nhanho dziviriro mudziyo unodzivirira kune yakasara voltage yeiyo pre-nhanho dziviriro uye yakakonzera mheni steki munzvimbo. Kana mheni yekudyiwa kwepamberi-padanho iri hombe, zvimwe zvikamu zvichiri zvakakura kwazvo kune iyo michina kana dziviriro yechitatu-chikamu. Simba rinofambiswa rinoda kumwe kunwiswa neyechipiri nhanho dziviriro. Panguva imwecheteyo, tambo yekufambisa yeiyo yekutanga nhanho mheni inosunga zvakare ichaunza mheni yemagetsi inofambisa kupisa mwaranzi. Kana mutsetse wacho wareba zvakakwana, simba remheni inokwenenzverwa inova yakakura zvakakwana, uye wedziviriro wechipiri anodiwa kuti uwedzere kudeuka simba remheni. Chikamu chechitatu chinodzivirira chinosara chemagetsi akasara kuburikidza neyechipiri nhanho mudziviriri. Zvinoenderana nemadhigirii ekudzivirira emidziyo yakachengetedzwa, kana iyo miviri-mheni kudzivirira ichikwanisa kuzadza muganho wemagetsi pazasi pemagetsi emidziyo, panodiwa matanho maviri chete ekudzivirira; kana iyo midziyo ikamira nemagetsi vhoriyamu iri pasi, ingangoda nhanho ina kana kunyangwe mamwe mazinga ekudzivirira.

Sarudza SPD, iwe unofanirwa kunzwisisa mamwe ma parameter uye mashandiro awo.

(1) Iyo 10 / 350μs wave is waveform iyo inoteedzera yakananga mheni stereki, uye iyo waveform simba yakakura; iyo 8 / 20μs wave ndeye waveform iyo inofanidza mheni induction uye mheni conduction.

(2) Iro zita rezita razvino mukati Inoreva iyo yepamusoro yazvino kuyerera kuburikidza neiyo SPD uye 8/20 μs yazvino wave.

(3) Iyo yakanyanya kuburitsa yazvino Imax, inozivikanwawo seyakanyanya kuyerera chiyero, inoreva kune yakanyanya kubuda zvinoyerera iyo inogona kumira neiyo SPD ine yazvino wave ye8 / 20μs.

(4) Iyo yakanyanya kuenderera inomira nemagetsi Uc (rms) inoreva iyo yakakwira AC voltage rms kana DC voltage iyo inogona kuenderera ichiiswa kune iyo SPD.

(5) Iyo yakasara voltage Ur inoreva kune yakasara yekumanikidza kukosha pane yakatarwa kuburitsa ikozvino In.

(6) Iyo yekudzivirira voltage Kumusoro inoratidzira iyo voltage inoratidzira paramende pakati peiyo SPD muganho zviteshi, uye kukosha kwayo kunogona kusarudzwa kubva pane runyorwa rweanodiwa tsika, iyo inofanirwa kuve yakakura kudarika yakanyanya kukosha yeiyo muganho voltage.

(7) Iyo voltage switch switch SPD inonyanya kuburitsa 10 / 350μs yazvino wave, uye iyo voltage inodzora mhando SPD inonyanya kuburitsa 8 / 20μs yazvino wave.

2.2.2 Chiratidzo Chine Mutsara SPD

Iyo tambo yemutsara SPD inonyatso kuve chiratidzo yemheni inosunga yakaiswa mumutsetse wekutumira masaini, kazhinji kumberi kwekupedzisira kwechigadzirwa, kuchengetedza zvinotevera zvigadzirwa uye kudzivirira mafungu emheni kubva mukukanganisa mudziyo wakakuvadzwa kubva kumutsara wechiratidzo.

1) Sarudzo yemagetsi ekudzivirira nhanho (Kumusoro)

Iko Kukosha kukosha hakufanirwe kupfuura yakatemwa magetsi chiyero chemidziyo yakachengetedzwa. Kumusoro kunoda kuti iyo SPD ienzaniswe zvakanaka nechengetedzo yemidziyo iri kuchengetedzwa.

Mune yakaderera-magetsi magetsi ekugovera uye yekuparadzira system, iyo michina inofanirwa kuve nehumwe hunyanzvi hwekumira kusimuka, ndiko kuti, kugona kutsungirira kuvhunduka uye kuputika kwemagetsi. Kana iko kukanganiswa kwehuwandu hwehuwandu hwemidziyo yakasiyana siyana ye220 / 380V matatu-phase system isingakwanise kuwanikwa, inogona kusarudzwa zvinoenderana nezviratidzo zvakapihwa zveIEC 60664-1.

2) Sarudzo yezita rezita kubuda iyezvino Mu (kukanganisa kuyerera kugona)

Iyo yepamusoro yazvino kuyerera kuburikidza neiyo SPD, 8/20 μs yazvino wave. Iyo inoshandiswa yeiyo Kirasi II kupatsanura bvunzo yeSPD uye zvakare yekumbofungidzira kweSPD yeClass I uye Class II bvunzo dzechikamu.

Muchokwadi, In ndiyo yepamusoro yepamusoro kukosha kweiyo yekuwedzera ikozvino inogona kupfuura yakatarwa nhamba yenguva (kazhinji makumi maviri nguva) uye yakatarwa waveform (20/8 μs) isina kukuvara kwakanyanya kune iyo SPD.

3) Sarudzo yekukwirisa kuburitsa ikozvino Imax (muganho kushamisika kuyerera kugona)

Iyo yepamusoro yazvino kuyerera kuburikidza neiyo SPD, 8/20 μs yazvino wave, inoshandiswa kune Kirasi II bvunzo yechikamu. Imax ine zvakawanda zvakafanana neIn, iyo inoshandisa yepamusoro yazvino ye8 / 20 μs yazvino wave kuita Kirasi II classification bvunzo paSPD. Musiyano wacho uri pachena zvakare. Imax inongoita bvunzo yekukanganisa paPSD, uye SPD haikonzere kukuvara kwakanyanya mushure mekuyedzwa, uye In inogona kuita makumi maviri ebvunzo, uye SPD haigone kuparadzwa zvakanyanya mushure mekuedzwa. Naizvozvo, Imax ndiwo muganho wazvino wekukanganisa, saka iyo yakakwira kuburitsa ikozvino inonziwo yekupedzisira yekumanikidza kuyerera kugona. Zviripachena, Imax> In.

kushanda musimboti

Kuchengetedzwa Kudzivirirwa Chishandiso chinhu chakakosha mudziyo wekuchengetedza mheni yemidziyo yemagetsi. Yakanga ichidaidzwa kunzi "kusunga" kana "overvoltage dziviriro". Chirungu chakapfupikiswa seSPD. Basa remudziviriri wedutu ndereKupfuuririsa kwenguva pfupi mumutsetse wesimba uye tambo yekufambisa masaini inogumira kune huwandu hwemagetsi hunogona kumisikidzwa nemidziyo kana system, kana magetsi emheni ane simba anoiswa muvhu kudzivirira midziyo yakachengetedzwa kana system kubva mukukanganisa uye kukuvara.

Rudzi uye chimiro chemudziviriri wedutu chinosiyana kubva kuchikumbiro kuenda kuchikumbiro, asi chinofanirwa kuve neinenge imwechete isina-mitsara yemagetsi inodzora chikamu. Izvo zvinhu zvekutanga zvinoshandiswa mukukwirisa vadziviriri zvinoburitswa gap, gasi-izere kuburitsa chubhu, varistor, kudzvanyirira diode uye yekukachidza coil.

Basic chinhu

1. Discharge gap (inozivikanwawo sekudzivirira gap):

Kazhinji inoumbwa nematanda maviri esimbi akapatsanurwa neimwe gap yakanangana nemhepo, imwe yacho yakabatana netambo yemagetsi chikamu L kana iyo yekusarerekera mutsara (N) yechinhu chinodiwa chekuchengetedza, uye imwe tsvimbo yesimbi uye mutsara wepasi (PE) wakabatana. Kana iyo yekudarika yekudarika yakarova, gwanza rakaputswa, uye chikamu chemari yekuwedzeredza chinounzwa muvhu, icho chinodzivirira kukwira kwemagetsi pachigadzirwa chakachengetedzwa. Iyo nhambwe iri pakati pematanda maviri esimbi eiyo yekudonha gap inogona kugadziridzwa sezvazvinodiwa, uye chimiro chiri nyore, uye chakakanganisika ndechekuti arc yekudzimisa kuita haina kunaka. Iyo yakavandudzwa kuburitsa gap iri angular gap, uye yayo arc-yekudzimisa basa iri nani pane iya yekutanga. Izvo zvinokonzerwa nekuita kwesimba remagetsi F redunhu uye nekukwira kwemhepo inopisa kuyerera kudzima iyo arc.

2.Gesi kubuda tube:

Inosanganisira maviri echando asina kunaka mahwendefa akapatsanurwa kubva kune mumwe nemumwe uye akavharirwa mugirazi chubhu kana zvedongo chubhu yakazadzwa neimwe inert gasi (Ar). Kuti uwedzere mukana wekukonzera weyekuyerera chubhu, inokonzeresa mumiriri inopihwawo mune inoyerera chubhu. Rudzi urwu rwegasi-rizere kuburitsa chubhu ine mhando mbiri-matanda uye matatu matanda mhando.

Matekiniki eiyo magasi anoburitsa chubhu ndeaya: DC anobuditsa voltage Udc; kuvhunduka kuburitsa voltage Kumusoro (Kazhinji, Up≈ (2 ~ 3) Udc; simba frequency inomira yazvino Mu; simba rekumira parizvino Ip; kuputira kuramba R (> 109Ω)); interelectrode capacitance (1-5PF)

Iyo gasi inoburitsa chubhu inogona kushandiswa pasi peDC uye AC mamiriro. Iyo yakasarudzwa DC kuburitsa voltage Udc ndeinotevera: Shandisa pasi peDC mamiriro: Udc≥1.8U0 (U0 ndiyo DC voltage yemutsetse kuti ushande zvakajairika)

Use under AC mamiriro

3. Varistor:

Iyo yesimbi oxide semiconductor varistor ine ZnO sechinhu chayo chikuru. Kana iyo voltage inoshandiswa kune ese magumo inosvika pane imwe kukosha, iko kuramba kunonyanya kunetseka nemagetsi. Iyo yekushanda musimboti yakaenzana neakateedzana uye yakafanana kubatana kweakawanda semiconductor PN. Iyo varistor inoratidzirwa neakanaka asina mutsetse hunhu (I = CUα, α ndeye isina mutsetse coefficient), hombe kuyerera kugona (~ 2KA / cm2), yakaderera yakajairika leakage yazvino (10-7 ~ 10-6A), yakaderera masara voltage (zvinoenderana pa Mu varistor inoshanda voltage uye kuyerera kugona), iyo nguva yekupindura kune inopfuura overvoltage inokurumidza (~ 10-8s), hapana freewheeling.

Matekiniki eparameter evaristor ndiwo varistor voltage (kureva switching voltage) UN, mareferenzi emagetsi Ulma; residual voltage Ures; residual voltage ratio K (K = Ures / UN); kunonyanyisa kuyerera chinzvimbo Imax; leakage current; nguva yekupindura.

Iyo varistor inoshandiswa pasi pemamiriro ezvinhu anotevera: varistor voltage: UN ≥ [(√ 2 × 1.2) / 0.7] U0 (U0 ndiyo yakatarwa voltage yemagetsi frequency magetsi magetsi)

Minimum reference voltage: Ulma ≥ (1.8 ~ 2) Uac (inoshandiswa pasi pemamiriro eDDC)

Ulma 2.2 (2.5 ~ XNUMX) Uac (inoshandiswa pasi pemamiriro eAC, Uac iri AC inoshanda voltage)

Iyo yepamusoro mareferenzi emagetsi eiyo varistor inofanirwa kutemerwa nemagetsi ekudzivirira emidziyo yemagetsi yakachengetedzwa. Iwo akasara emagetsi eiyo varistor anofanirwa kuve akaderera pane iwo mwero wemagetsi wedziviriro yemagetsi mudziyo, kureva (Ulma) max≤Ub / K. Iko K iri iyo yakasara voltage ratio uye Ub ndiyo yekukuvadza voltage yemudziyo unodzivirirwa.

4.Kudzvinyirira diode:

Kudzvanyirira diode ine chinosunga-chinogumira basa. Inoshanda munzvimbo yekumusoro yekuparara. Nekuda kweye yakaderera clamping voltage uye nekukurumidza kupindura, inonyanya kukodzera kushandiswa seyekupedzisira-chikamu chikamu chekudzivirira mumatanho ematanho-ekudzivirira macircuit. Iyo volt-ampere hunhu hwedhizaini yekudzvanyirira mudunhu rekuparara inogona kuratidzwa neiyo inotevera fomula: I = CUα, uko α isiri coarfiti yakakwana, yeZener diode α = 7 ～ 9, mune divalanche diode α = 5 ～ 7.

Kudzvinyirira diode technical parameter

(1) Kuputsika kwemagetsi, iyo inoreva kuparara kwemagetsi pane yakatarwa yekudzora kuputsika kwazvino (kazhinji 1ma), iyo inowanzo kuve mukati meiyo 2.9V kusvika 4.7V yeZener diode, uye iyo yakatarwa kuparara kwemahara diode. Mhepo yekupfeka inowanzo kuve iri 5.6V kusvika 200V.

(2) Maximum clamp voltage: Inoreva iyo yakakwira voltage inoonekwa pamativi ese ehubhu painopfuura ruzha rukuru rweanonzi waveform.

(3) Pulse simba: Inoreva chigadzirwa chemugumo wecamp voltage kumigumo miviri yehubhu uye yakaenzana irimo mubhubhu pasi peiyo yakatarwa wave waveform (semuenzaniso, 10/1000 μs).

(4) Reverse yekumhanyisa voltage: Inoreva kune yakanyanya voltage iyo inogona kuiswa kune ese magumo eiyo chubhu munzvimbo yekumisikidza yekudonha, iyo iyo chubhu isingafanirwe kuputsa. Aya magetsi ekudzosera kumashure anofanirwa kuve akakwirira zvakanyanya kupfuura epamusoro ekushandisa voltage yepamusoro yeiyo inodzivirirwa yemagetsi system, kureva kuti, haigone kuve mune isina simba conduction mamiriro panguva yakajairika mashandiro ehurongwa.

(5) Maximum leakage yazvino: Inoreva iyo yakanyanya kudzora yazvino kuyerera kuburikidza nechubhu pasi peiyo yekumisikidza yekufambisa voltage.

(6) Nguva yekupindura: 10-11s

5. Kudzipa coil:

Iyo choke coil yakajairika modhi yekukanganisa kudzvanya chishandiso ine ferrite sepakati. Iyo inovhengana zvakaenzana pane imwechete ferrite toroidal musimboti nemakoiri maviri akaenzana saizi uye yakafanana nhamba yekutendeuka. Kuti ugadzire ina-terminal kifaa, zvinodikanwa kudzvinyirira yakakura inductance yeyakajairwa modhi chiratidzo, uye ine zvishoma mhedzisiro pamusiyano inductance yeanosiyanisa mode chiratidzo. Choke coil inogona kudzvinyirira zvakajairika iyo modhiyo yekukanganisa chiratidzo (senge mheni inopindira) mumutsetse wakaringana asi haina zvainoita pane yekusiyanisa modhi modhi iyo tambo inowanzoendesa.

Iyo coil yekudzipa inofanirwa kuzadzisa zvinotevera zvinodiwa painogadzirwa:

1) Tambo dzeronda pane coil musimboti dzinofanirwa kuvharirwa kubva kune imwe neimwe kuona kuti hapana kuputsika kupfupi kunoitika pakati pekutendeuka kwoil pasi pekupfuura kwenguva.

2) Kana coil ichiyerera nepakati penzvimbo hombe pakarepo, musimboti hauite kunge wakazara.

3) Musimboti weiyo coil unofanirwa kuiswa inshuwarisi kubva kune iyo coil kudzivirira kuparara pakati pezviviri pasi pekupfuura kwenguva.

4) Iyo coil inofanira kukuvadzwa zvakanyanya sezvazvinogona, izvo zvinogona kudzora chisvetasimba capacitance yeiyo coil uye kusimudzira kugona kweiyo coil kune yekukasira yekuwedzeredza vhiri.

6. 1/4 wavelength pfupi yakatenderera

Iyo 1/4 wavelength crowbar chiratidzo che microwave chiratidzo chekudzivirira chinoenderana nekutarisisa kwemafungu emheni uye iyo yakamira wave dzidziso yeiyo antenna feeder. Kureba kwesimbi yekupfupisa simbi mune ino dziviriro kunoenderana neanoshanda chiratidzo frequency (semuenzaniso 900 MHz kana 1800 MHz). Hukuru hwe1 / 4 wavelength yakatarwa. Iyo yakafanana yekufupisa bhaa kureba ine isingagumi impedance yeanoshanda chiratidzo frequency, iyo yakaenzana neakavhurika wedunhu uye haina kukanganisa kufambisa kwechiratidzo. Nekudaro, yemasaisai emheni, sezvo simba remheni richinyanya kugoverwa pazasi n + KHZ, iyo yekupfupisa bhaa Yeyemheni wave impedance idiki, yakaenzana nedunhu pfupi, mwenje wesimba remheni unoburitsirwa muvhu.

Sezvo dhayamita ye1 / 4 wavelength yekupfupisa bhaa kazhinji iri mashoma mamirimita, iko kurwisa kwazvino kwakanaka, uye kunogona kusvika 30KA (8 / 20μs) kana kupfuura, uye iyo yakasara voltage idiki. Izvi zvakasara magetsi zvinonyanya kukonzerwa nekuzvidzora-yega kweiyo yekushomeka bhawa. Kukanganisa ndiko kuti bhendi remagetsi rakamanikana uye bandwidth iri pamusoro pe2% kusvika 20%. Chimwe chinokanganisa ndechekuti DC tsvete haigone kuiswa kune iyo antenna feeder, iyo inogumira mamwe mashandisiro.

Basic dunhu

Dunhu redziviriro rine mafomu akasiyana zvinoenderana nezvinodiwa zvakasiyana. Izvo zvinhu zvekutanga ndizvo zvakataurwa pamusoro apa akati wandei marudzi. Yehunyanzvi inozivikanwa inozivikanwa mheni yekudzivirira chigadzirwa muongorori anogona kugadzira akasiyana maseketi, sekunge bhokisi remabhuroko rinogona kushandiswa. Akasiyana masisitimu echimiro. Ibasa revashandi vanodzivirira mheni kugadzira zvigadzirwa zvinoshanda uye zvinodhura.

Kuchengetedzwa kwakachengetedzwa

Yekutanga-nhanho mheni inosungwa inogona kubuda ropa kune yakananga mheni yazvino kana kubuda ropa kana tambo yemagetsi yekufambisa yakaiswa kune yakananga mheni. Kune nzvimbo panonanga mheni chaidzo dzinogona kuitika, Kirasi-I inofanira kuitwa. Kuchengetedzwa kwemheni. Yechipiri-danho mheni inosunga chidziviriro chemasara emagetsi epamberi-kumagumo mheni dziviriro mudziyo uye mheni-inosimudzira mheni kurira munzvimbo. Kana paine hukuru hwesimba remagetsi kupinza pamberi pechikuva, pachine chikamu chemidziyo kana chechitatu-chikamu chikamu chekudzivirira mheni. Ihwo hwakawanda hukuru hwesimba uhwo huchafambiswa uye hunoda wechipiri-danho rekusungwa kuti uwane kumwe kunwiswa. Panguva imwecheteyo, tambo yekufambisa yekutanga-nhanho mheni inosunga ichaitawo mheni inokonzeresa magetsi emagetsi LEMP. Kana mutsetse wacho wareba zvakakwana, simba remheni inokwenenzverwa inova yakakura zvakakwana, uye yechipiri-nhanho yekudzivirira mheni inodiwa kuti iwedzere kuburitsa magetsi Yechitatu-danho mheni inosunga inodzivirira iyo LEMP uye inosara mheni simba kuburikidza neyechipiri-danho mheni inosunga.

Chekutanga chikamu chekudzivirira

Chinangwa chedziviriro yekudzivirira ndechekudzivirira iyo yekuwedzera voltage kubva kuitiswa yakananga kubva kuLPZ0 nharaunda kuenda munzvimbo yeLPZ1, kudzikamisa iyo yekuwedzera voltage yemakumi ezviuru kusvika kumazana ezviuru zvemazana kusvika 2500-3000V.

Iyo dziviriro yekudzivirira yakaiswa pane yakaderera-magetsi divi remagetsi shanduko chikamu-chetatu magetsi switch mhando magetsi magetsi mheni inosunga. Mheni inoyerera haifanire kunge iri pasi pe60KA. Magetsi anosunga mheni inosunga yekirasi ino ichave yakakura-inokwana magetsi magetsi mheni inosungwa yakabatana pakati pezvikamu zvekupinda kwemushandisi magetsi magetsi system nepasi. Izvo zvinowanzo fanirwa kuti simba rekusimudzira dziviriro rekirasi ino ine huwandu hwepamusoro hwekukanganisa huwandu hunopfuura 100KA pachikamu, uye inodiwa ganho voltage iri pasi pe1500V, inonzi CLASS I simba rekusimudzira mudziviriri uye dziviriro yekuwedzera. Yakagadzirirwa kumira yakasimba mafungu emheni uye inductive mheni inorova, uye kukwezva yakakwira-simba mafuru, aya emagetsi emagetsi anosunga vanosunga huwandu hwakawanda hwekumanikidza ikozvino pasi. Ivo vanongopa iyo inodzora voltage (iwo akanyanya magetsi anoonekwa pamutsetse kana iyo yekumhanyisa yazvino ichiyerera kuburikidza neiyo magetsi magetsi inosungwa inonzi inodzora magetsi). Iyo CLASS Kirasi I mudziviriri unonyanya kushandiswa kupinza yakakura inrush mafungu, chete Ivo havagone kunyatso kudzivirira inovaka magetsi emagetsi mukati memagetsi magetsi system.

Yekutanga-chikamu chekupaza simba dziviriro inogona kudzivirira kubva ku10 / 350μs uye 100KA mafungu emheni uye kusangana nemhando yepamusoro yekudzivirira yakatarwa neIEC. Iyo technical technical iri seinotevera: iyo mheni inoyerera yakakura kudarika kana yakaenzana ne100KA (10 / 350μs); iyo yakasara voltage haina kukura kupfuura 2.5KV; nguva yekupindura ishoma kana yakaenzana ne100ns.

Chechipiri chikamu chekudzivirira

Chinangwa chedziviriro yekudzivirira ndechekuwedzera kudzikisira iyo yakasara yekuwedzera magetsi kuburikidza neyekutanga-nhanho mheni inosunga kusvika 1500-2000V uye kuti equipotentially ibatanidze iyo LPZ1-LPZ2.

Iyo magetsi ekupa magetsi inosungwa yakaburitswa neiyo yekuparadzira kabhodhi mutsara ichave iyo magetsi-inodzora magetsi ekupa mheni dziviriro mudziyo senge yechipiri-chikamu chikamu. Mheni yazvino kugona haizove yakaderera pane 20KA. Iyo ichaiswa mumagetsi kune yakakosha kana inonzwisisika midziyo yemagetsi. Chiteshi chekugovera nzira. Aya masimba ekuwedzera anosunga anopa nani nani weasara simba rekuwedzera kuburikidza neanosunga anosungira kumagetsi emutengi uye anowana kudzvinyirira kwakanyanya kweanopfuurira kukundwa. Simba rekusunga sisitimu rinoshandiswa munzvimbo ino rinoda huwandu hwepamusoro hwe45kA kana kupfuura pachikamu, uye ganhuriro inodiwa yemugumo inofanira kunge iri pasi pe1200V, iyo inonzi BASA II magetsi emheni anosunga. Iyo yakajairika mushandisi magetsi magetsi system inogona kuzadzikisa yechipiri-nhanho dziviriro kusangana nezvinodiwa zvekushanda kwemidziyo yemagetsi.

Iyo yechipiri-danho remagetsi ekuwedzera dziviriro inotora Kirasi C mudziviriri wepasi-kune-chikamu, chikamu-pasi uye yepakati-pasi yakazara-modhi dziviriro. Iwo makuru ehunyanzvi parameter ndeaya: mheni inoyerera inokwana kupfuura kana kuenzana ne40KA (8 / 20μs); residual voltage Iyo yepamusoro kukosha haina kudarika 1000V; nguva yekupindura haina kudarika 25ns.

Yechitatu nhanho dziviriro

Chinangwa chedziviriro yekudzivirira ndechekupedzisira kudzivirira iyo michina nekudzora iyo inosara yekuwedzera voltage kusvika pasi pe1000V kuitira kuti simba rekuwedzera risakanganisa michina.

Kana chishandiso chemagetsi chekudzivirira mheni chakaiswa panoperera magetsi emagetsi emagetsi emagetsi anoshandiswa sedziviriro yechitatu, ichave yakateedzana-mhando voltage-inodzora magetsi ekupa dziviriro, uye mheni izvozvi kugona hakugone kudzikira kupfuura 10KA.

Iyo yekupedzisira tambo yekudzivirira kweyekuchengetedza dziviriro inogona kushandiswa neyakavakirwa-mukati simba rekusimudzira dziviriro mune yemukati magetsi magetsi emutengi kuti uwane kubviswa kwakazara kwe diki pfupi inopfuura overvoltages. Simba rekusunga sunga rinoshandiswa pano rinoda huwandu hwehuwandu hwehuwandu hwe20KA kana zvishoma pachikamu, uye inodiwa yekudzora voltage inofanira kunge iri pasi pe1000V. Izvo zvinodikanwa kuve ne chikamu chechitatu chekudzivirira kune zvimwe zvakakosha kana zvakanyanya zvemagetsi zvigadzirwa zvemagetsi, pamwe nekuchengetedza midziyo yemagetsi kubva kuzvipenga zvenguva pfupi zvinogadzirwa mukati mechirongwa.

Zvemagetsi ekugadzirisa anoshandiswa mumidziyo yekutaurirana yewa microwave, nharembozha yekutaurisa michina uye michina yedhara, inofanirwa kusarudza DC magetsi emagetsi kudzivirira mudziyo pamwe nekushanda kwemagetsi kuchinjisa sedanho rekupedzisira kudzivirira maererano nekudzivirirwa kwemagetsi ayo anoshanda.

Level 4 uye pamusoro

Iyo yekudzivirira inodzivirira zvinoenderana nekumira voltage mwero yemidziyo yakachengetedzwa, kana iwo maviri-danho mheni dziviriro inogona kuzadzikisa iwo muganho voltage pazasi pekumira voltage nhanho yemidziyo, inongoda kuita maviri mazinga ekudzivirira, kana iyo midziyo ichiramba nemagetsi Chikamu chakadzika, chingangoda mana kana anopfuura mazinga ekudzivirira. Kudzivirirwa kwenhanho yechina yemheni yayo kuyerera kugona hakufanirwe kunge kuri pasi pe5KA.

Kuisa nzira

1, SPD yekumisikidza yekuisa zvinodiwa

Iyo yekudzivirira inodzivirira inoiswa ne 35mm yakajairika njanji

Kune yakamisikidzwa SPDs, anotevera matanho anofanirwa kuteverwa kuitira kugara uchiisirwa:

1) Sarudza iyo yekubuda yazvino nzira

2) Maka iyo tambo kune iyo yekuwedzera voltage donhwe inokonzerwa pane chishandiso terminal.

3) Kuti udzivise zvisingakoshi inductive zvishwe, mucherechedzo PE conductor yechigadzirwa chimwe nechimwe.

4) Gadzira equipotential kubatana pakati pechigadzirwa uye iyo SPD.

5) Kubatanidza simba rekubatana kwema multi-level SPD

Kuti udzikise iyo inductive coupling pakati peyakaisirwa inodzivirira chikamu uye chisina kuchengetedzwa chikamu cheiyo mudziyo, zvimwe zviyero zvinodiwa. Iyo inductance inowirirana inogona kuderedzwa nekuparadzaniswa kwenzvimbo yekunzwa kubva padanho rekubaira, kusarudzwa kweiyo loop kona, uye kumisikidzwa kwenzvimbo yakavharwa yetambo.

Kana iyo yazvino yekutakura chinhu conductor iri chikamu cheyakavharwa chiuno, chiuno uye chakasimudzira voltage inoderedzwa apo conductor anosvika padunhu.

Kazhinji, zviri nani kupatsanura tambo yakachengetedzwa kubva kune isina kuchengetedzwa tambo uye inofanira kupatsanurwa kubva kune yepasi waya. Panguva imwecheteyo, kuitira kudzivirira tambo inopfupika pakati peyetambo yemagetsi netambo yekutaurirana, zviyero zvinodiwa zvinofanirwa kuitwa.

2, SPD yekumisikidza waya dhayamita kusarudzwa

Mutsara weData: Chinodiwa chakakura kupfuura 2.5mm²; kana urefu hwacho hwapfuura 0.5m, inodikanwa kuve yakakura kupfuura 4mm².

Powerline: Kana chikamu chetambo chakayambuka-chikamu chikamu S≤16mm², mutsara wepasi unoshandisa S; kana chikamu chemuchinjikwa-chikamu chikamu chiri 16mm²≤S≤35mm², mutsara wepasi unoshandisa 16mm²; apo iyo chikamu mutsetse unoyambuka-chikamu chikamu S≥35mm², iyo yepasi mutsara inoda S / 2.

Izvo zvikamu zvakanyanya

1. Zita remagetsi Un: Iwo akayera voltage yeiyo yakachengetedzwa system inoenderana. Mune ruzivo rwetekinoroji system, iyi paramende inoratidza mhando yemudziviriri inofanirwa kusarudzwa, iyo inoratidza kukosha kweiyo AC kana DC magetsi.

2. Rated voltage Uc: Inogona kuiswa kune yakatarwa kumagumo edziviriro kwenguva yakareba pasina kukonzera shanduko mune hunhu hwemudziviriri uye kumisikidza yakanyanya voltage inoshanda kukosha kwechinhu chekudzivirira.

3. Yakatemerwa kuburitsa ikozvino Isn: Iyo yepamusoro inrush yazvino yepamusoro iyo iyo inodzivirirwa inoregererwa kana mwero mheni wave ine waveform ye8 / 20 μs yaiswa kumudziviriri ka gumi.

4. Kunonyanyisa kuburitsa yazvino Imax: Iyo yakanyanya inrush yazvino yepamusoro iyo inodzivirirwa inoregererwa kana mwero mheni wave ine waveform ye8 / 20 μs yaiswa kumudziviriri.

5. Voltage dziviriro nhanho Kumusoro: Iyo yakanyanya kukosha yemudziviriri mune inotevera bvunzo: iyo flashover voltage yemitsipa ye1KV / μs; iyo yakasara voltage yeiyo yakarongwa kubuda zvino.

6. Nguva yekupindura tA: Iyo yekunzwa kwekuita uye nguva yekuparara kwechinhu chakakosha chekudzivirira chinonyanya kuratidza mumudziviriri, uye shanduko mune imwe nguva inoenderana nekutsvedza kwe du / dt kana di / dt.

7. Dhata yekuparadzira chiyero Vs: inoratidza mangani madiki maitirwo anopfuudzwa mune imwe sekondi, iyo unit iri: bps; ndiyo kukosha kukosha kwechigadzirwa chekudzivirira mheni chakanyatsosarudzwa muhurongwa hwekufambisa dhata, uye mwero wekutepfenyura kwedhata wemidziyo yekudzivirira mheni zvinoenderana nemamiriro ekutakura ehurongwa.

8. Kuisa kurasikirwa Ae: Iyo reshiyo yemagetsi pamberi uye mushure mekudzivirira kwaiswa pane yakapihwa frequency.

9. Dzorera Kurasikirwa Ar: Inoratidzira chiyero cheinotungamira yekumucheto wave inoratidzirwa nedziviriro mudziyo (inoratidza nzvimbo), inova paramende inoyera zvakananga kana chidziviriro mudziyo ichienderana nehurongwa impedance.

10. Kunonyanyisa kureba kuregedza parizvino: zvinoreva kukwirira kwepamusoro kwekukwirisa kwazvino kunoitwa nemudziviriri kana mwenje mheni ine waveform ye8 / 20μs yaiswa kune yega yega ivhu.

11. Maximum lateral discharge yazvino: Iyo yakanyanya inrush yazvino yepamusoro iyo iyo inodzivirirwa inoiswa pasi apo mwero mheni wave ine waveform ye8 / 20μs inoiswa pakati pemutsara netambo.

12. Impedance yepamhepo: inoreva kuwanda kweiyo impedance uye inductive reactance yetambo inoyerera kuburikidza nemudziviriri pasi pezita remagetsi Un. Kazhinji inonzi "system impedance."

13. Peak kuburitsa ikozvino: Kune maviri marudzi: akayera buditsa yazvino Isn uye yakakwira kuburitsa ikozvino Imax.

14. Leakage yazvino: zvinoreva iyo DC yazvino kuyerera kuburikidza nemudziviriri pane yezita voltage Un ye75 kana 80.

Yakapatsanurwa nekushanda musimboti

1. Chinja mhando: Iyo inoshanda musimboti yeiyo yekudzivirira dziviriro ndeye yakakwira impedance kana pasina iko kwekukasira kwemhepo, asi kana ichinge yapindura kune mheni inopfuura kuputika kwemhepo, impedance yayo inozoerekana yachinja kune yakaderera kukosha, ichibvumira mheni yazvino kuti ipfuure. Kana ichishandiswa sechinhu chakadai, chishandiso chine: chinobuda, gasi rinoburitsa chubhu, thyristor, nezvimwe zvakadaro.

2. Voltage inodzora mhando: Iyo inoshanda musimboti yeiyo yekudzivirira dziviriro ndeye yakakwira impedance kana pasina kwenguva pfupi yekuwedzeredza, asi iyo impedance ichadzikira ichienderera nekuwedzera pamwe nekuwedzera kwekuwedzera kwazvino nemagetsi, uye ayo azvino nemagetsi maficha haana kusimba. Midziyo inoshandiswa semidziyo yakadaro ndeinoti: zinc oxide, varistors, madhodhi ekudzvinyirira, diode yeanvalanche, nezvimwe zvakadaro.

3. Kupatsanura kana kusagadzikana:

Shunt mhando: Yakafanana neyakachengetedzwa chishandiso, ichiratidza yakaderera impedance kune iyo mheni yekupomba uye yakakwira impedance kune yakajairika yekushandisa frequency.

Rudzi rwunopenga: Mune akateedzana neyakachengetedzwa chishandiso, inoratidzira yakakwira impedance kune iyo mheni yekupomba uye yakaderera impedance kune yakajairika yekushandisa frequency.

Midziyo inoshandiswa semidziyo yakadaro ndeiyi: kudzipa maoils, mafirita ekupasa akakwira, mafirita epasi, kota wave zvikabudura, nezvimwe zvakadaro.

Kushandiswa kweSurge Kudzivirirwa Kudzivirira SPD

(1) Simba rekudzivirira: AC simba mudziviriri, DC simba mudziviriri, switching simba dziviriro, nezvimwe.

Iyo AC simba mheni yekudzivirira module inokodzera simba rekuchengetedza magetsi ekuparadzira makamuri, magetsi ekugovera makabati, switch makabati, AC / DC magetsi ekuparadzira mapaneru, nezvimwe.

Kune mabhokisi ekuparadzira ekunze ekunze uye mabhokisi ekuparadzira masara muchivako;

Kune yakaderera voltage (220 / 380VAC) maindasitiri emagetsi grids uye ehurumende magetsi grid;

Mune magetsi system, inonyanyo shandiswa yekuisa kana kuburitsa yeatatu-chikamu simba mune yekupa magetsi skrini yeiyo huru yekudzora kamuri yemuchina muchina mukamuri kana chinotsiviwa.

Inokodzera dzakasiyana siyana DC magetsi masisitimu, akadai se:

DC simba rekuparadzira pani;

DC magetsi ekushandisa michina;

DC bhokisi rekuparadzira;

Zvemagetsi ruzivo system kabhineti;

Kuburitswa kwesekondari magetsi.

(2) Signal mudziviriri: yakaderera-frequency chiratidzo dziviriro, yakakwira-frequency chiratidzo dziviriro, kanyanga feeder dziviriro, nezvimwe.

Network chiratidzo mheni kudzivirira mudziyo:

Inodzivirira yekudzivirira kwekudzivirira inokonzerwa nemheni inorova uye mheni yemagetsi magetsi emagetsi enetiweki michina senge 10 / 100Mbps SHINDA, HUB, ROUTER; · Network kamuri network switch switch; · Network kamuri server chengetedzo; · Network kamuri imwe network network inodzivirira mudziyo;

Iyo 24-chiteshi chakabatanidzwa mheni yekudzivirira bhokisi inonyanya kushandiswa kuchengetedza kwepakati penzvimbo dzemasaini akawanda mumakomputa akabatanidzwa eneti uye sub-switch makabati.

Vhidhiyo chiratidzo mheni dziviriro mudziyo:

Iyo yekudzivirira inodzivirira inonyanya kushandiswa poindi-kune-poindi chengetedzo yevhidhiyo chiratidzo michina. Inogona kuchengetedza akasiyana mavhidhiyo ekuparadzira michina kubva kune inductive mheni stereki uye yekuwedzera magetsi kubva kune yekufambisa chiratidzo tambo. Izvo zvinoshandawo kuRF kutapurirana pasi peiyo imwechete inoshanda voltage. Iyo yakasanganiswa yakawanda-chiteshi vhidhiyo mheni dziviriro bhokisi inonyanya kushandiswa kuchengetedza kwepakati pekudzivirira maturusi senge akaomarara dhisiki rekodhi uye vhidhiyo vanocheka mune yakasanganiswa yekudhinda kabhineti.

Kuwedzera Mudziviriri Brand

Vakasungwa zvakanyanya pamusika ndeiyi: China LSP surge muchengeti, Germany OBO surge muchengeti, DEHN surge muchengeti, PHOENIX muchengeti wedziviriro, US ECS surge muchengeti, US PANAMAX surge muchengeti, INNOVATIVE surge muchengeti. , UK ESP Furse surge muchengeti nezvimwe.