1. Chii chinonzi chinhu chinodzivirira kubuda kwemvura?
Mhinduro: Chidziviriro chekubuda kwemvura (switch yekudzivirira kubuda kwemvura) chishandiso chekuchengetedza magetsi. Chidziviriro chekubuda kwemvura chinoiswa mudunhu rine voltage shoma. Kana kubuda kwemvura uye kuvhunduka kwemagetsi kwaitika, uye kukosha kwekushanda kwemagetsi kwakaganhurirwa nemudziviriri kwasvika, chinobva changotanga kushanda uye chodzima magetsi otomatiki mukati menguva shoma yekudzivirira.
2. Chii chiri chimiro chemudziviriri wekudonha kwemvura?
Mhinduro: Chidziviriro chekudonha kwesimba chinoumbwa nezvikamu zvitatu: chinhu chekuona, chinongedzo chepakati chekuwedzera simba, uye chinoshanda. ①Chinhu chekuona. Chine ma transformer e zero-sequence, ayo anoona kubuda kwesimba uye anotumira masaini. ② anokudza chinongedzo. Wedzera chiratidzo chekudonha kwesimba uye gadzira chidziviriro chemagetsi uye chidziviriro chemagetsi zvichienderana nemidziyo yakasiyana (chikamu chekuwedzera simba chinogona kushandisa michina kana michina yemagetsi). ③ muviri mukuru. Mushure mekugamuchira chiratidzo, switch huru inoshandurwa kubva panzvimbo yakavharwa kuenda panzvimbo yakavhurika, nokudaro ichigura simba remagetsi, iro riri chikamu chinogumbura kuti circuit yakachengetedzwa ibviswe kubva pagrid remagetsi.
3. Ndeipi musimboti wekushanda kwemudziviriri wekudonha kwemvura?
mhinduro:
①Kana michina yemagetsi ikadonha, pane zvinhu zviviri zvisingawanzoitiki:
Kutanga, kuenzana kwemagetsi echikamu chetatu kunoparadzwa, uye magetsi ezero-sequence anoitika;
Chechipiri ndechekuti pane voltage pasi mubhokisi resimbi risina kuchajwa mumamiriro ezvinhu akajairwa (pasi pemamiriro ezvinhu akajairwa, bhokisi resimbi nepasi zvese zviri pazero potential).
②Basa re transformer ye zero-sequence current. Iyo leakage protector inowana chiratidzo chisina kujairika kuburikidza nekuona transformer yemazuva ano, iyo inoshandurwa uye inotumirwa kuburikidza ne intermediate mechanism kuti iite actuator act, uye simba rinobviswa kuburikidza ne switching device. Maumbirwo e transformer yemazuva ano akafanana nee transformer, iyo ine coil mbiri dzakadzivirirwa kubva kune imwe uye dzakasungirirwa pa core imwechete. Kana primary coil ine residual current, secondary coil inokonzera current.
③Nzira yekushanda kwemudziviriri wekudonha kwesimba. Dziviriri yekudonha kwesimba yakaiswa mumutsara, coil yekutanga yakabatana netambo yegridi yemagetsi, uye coil yechipiri yakabatana nekuburitswa mumudziviriri wekudonha kwesimba. Kana michina yemagetsi iri kushanda zvakanaka, magetsi ari mumutsara anenge ari mumamiriro akaenzana, uye huwandu hwemavector ari mutransformer izero (magetsi ivheta ine gwara, senge gwara rekubuda kwesimba i "+", gwara rekudzokera i "-", muMagetsi anoenda kumashure nekudzoka mutransformer akaenzana muhukuru uye akapesana munzira, uye akanaka neakaipa zvinopindirana). Sezvo pasina magetsi akasara mucoil yekutanga, coil yechipiri haizokonzereswi, uye mudziyo wekuchinja wemudziviriri wekudonha kwesimba unoshanda mumamiriro akavharwa. Kana kudonha kwesimba kukaitika pabhokisi remidziyo uye mumwe munhu akaibata, shunt inogadzirwa panzvimbo yekutadza. Kudonha kwesimba uku kunoiswa pasi kuburikidza nemuviri wemunhu, pasi, uye kunodzokera panzvimbo isina kusimba yetransformer (isina magetsi emagetsi), zvichiita kuti transformer ipinde nekubuda. Mari yemagetsi haina kuenzana (huwandu hwemavectors emagetsi haisi zero), uye coil yekutanga inogadzira mari yemagetsi yakasara. Nokudaro, coil yechipiri ichaitwa, uye kana kukosha kwemari yemagetsi kwasvika pamutengo wemari yemagetsi unoganhurirwa nemudziviriri wekudonha kwemvura, switch otomatiki ichagumburwa uye simba richadzimwa.

4. Ndezvipi zvinhu zvikuru zvehunyanzvi zvemudziviriri wekudonha kwemvura?
Mhinduro: Maparamita makuru ekushanda kwemagetsi ndeaya: ratio yekubuda kwemvura yakayerwa, ratio yekubuda kwemvura yakayerwa, ratio yekubuda kwemvura yakayerwa isiri kushanda. Mamwe mapamita anosanganisira: frequency yesimba, ratio voltage, ratio current, nezvimwewo.
①Kubuda kwemagetsi kwakatarwa Kukosha kwemagetsi ekudzivirira kubuda kwemagetsi kunoshanda mumamiriro ezvinhu akatarwa. Semuenzaniso, kune 30mA protector, kana simba remagetsi riri kuuya rasvika 30mA, kudzivirirwa kuchaita basa rekudzima simba remagetsi.
②Nguva yekubuda kwemvura yakayerwa inoreva nguva kubva pakangoerekana pashandiswa simba rekubuda kwemvura rakayerwa kusvika dunhu rekudzivirira rabviswa. Semuenzaniso, kune chidziviriro che30mA×0.1s, nguva kubva pamutengo wemazuva ano inosvika 30mA kusvika pakupatsanurwa kwekubatana kukuru haipfuure 0.1s.
③Kubuda kwemvura kusingashande kwakayerwa pasi pemamiriro ezvinhu akatarwa, kukosha kwemuchina wekudzivirira kubuda kwemvura kusingashande kunofanirwa kusarudzwa sehafu yekubuda kwemvura. Semuenzaniso, muchina wekudzivirira kubuda kwemvura une simba rekubuda kwemvura re30mA, kana kukosha kwemuchina kuri pasi pe15mA, muchina wekudzivirira haufanirwe kushanda, zvikasadaro zviri nyore kutadza kushanda zvakanaka nekuda kwekunzwa kwakanyanya, zvichikanganisa mashandiro emuchina wemagetsi.
④Mamwe ma parameter akadai se: frequency yesimba, voltage yakayerwa, current yakayerwa, nezvimwewo, pakusarudza chiteshi chekudzivirira kubuda kwemagetsi, chinofanira kuenderana necircuit nemidziyo yemagetsi inoshandiswa. Voltage yekushanda yemudziviriri wekubuda kwemagetsi inofanira kuenderana nevoltage yakayerwa yenzvimbo yekuchinja-chinja kwemagetsi yegrid yemagetsi. Kana kuchinja-chinja kwakanyanya, kuchakanganisa mashandiro akajairika emudziviriri, kunyanya kune zvigadzirwa zvemagetsi. Kana voltage yemagetsi yakaderera pane voltage yekushanda yakayerwa yemudziviriri, icharamba kushanda. Current yekushanda yakayerwa yemudziviriri wekubuda kwemagetsi inofanirawo kuenderana nemagetsi chaiwo ari mudunhu. Kana magetsi chaiwo ari kupfuura magetsi akayerwa emudziviriri, achaita kuti overload uye aite kuti mudziviriri asashande zvakanaka.
5. Ndeipi basa guru rekudzivirira remudziviriri wekubuda kwemvura?
Mhinduro: Chinodzivirira kubuda kwemvura chinonyanya kudzivirira kusangana zvisina kunanga. Mune mamwe mamiriro ezvinhu, chinogonawo kushandiswa sedziviriro yekuwedzera pakubatana zvakananga kudzivirira tsaona dzinogona kuuraya dzemagetsi.
6. Chii chinonzi kudzivirira kusangana zvakananga uye kusangana zvisina kunanga?
Mhinduro: Kana muviri wemunhu ukabata muviri une chaji uye paine magetsi anopinda mumuviri wemunhu, zvinonzi kuvhunduka kwemagetsi kumuviri wemunhu. Zvichienderana nechikonzero chekuvhunduka kwemagetsi mumuviri wemunhu, kunogona kukamurwa kuita kuvhunduka kwemagetsi zvakananga uye kuvhunduka kwemagetsi zvisina tsarukano. Kuvhunduka kwemagetsi zvakananga zvinoreva kuvhunduka kwemagetsi kunokonzerwa nemuviri wemunhu kubata muviri une chaji zvakananga (sekubata mutsetse wechikamu). Kuvhunduka kwemagetsi zvisina tsarukano zvinoreva kuvhunduka kwemagetsi kunokonzerwa nemuviri wemunhu kubata simbi isingachaji pasi pemamiriro akajairwa asi inochajirwa pasi pemamiriro akajairwa (sekubata casing yemudziyo unobuda). Zvichienderana nezvikonzero zvakasiyana zvekuvhunduka kwemagetsi, matanho ekudzivirira kuvhunduka kwemagetsi akakamurwawo kuita: dziviriro yekubatana zvakananga uye dziviriro yekubatana zvisina tsarukano. Kuti pave nedziviriro yekubatana zvakananga, matanho akadai sekudzivirira, chifukidziro chekudzivirira, fenzi, uye daro rekuchengetedza anogona kushandiswa; kuti pave nedziviriro yekubatana zvisina tsarukano, matanho akadai sekudzivirira pasi (kubatanidza ku zero), kudzima kwekudzivirira, uye kudzivirira kuvuza zvinogona kushandiswa.
7. Ndeipi njodzi kana muviri wemunhu ukarohwa nemagetsi?
Mhinduro: Kana muviri wemunhu wabatwa nemagetsi, simba remagetsi richikwira mumuviri wemunhu, simba remagetsi rinogara kwenguva refu, uye rinowedzera kuva nengozi. Njodzi inogona kukamurwa kuita zvikamu zvitatu: kunzwisisa - kubuda - ventricular fibrillation. ① Danho rekunzwisisa. Nekuti simba remagetsi rinodarika riri diki kwazvo, muviri wemunhu unogona kurinzwa (kazhinji kupfuura 0.5mA), uye harikuvadzi muviri wemunhu panguva ino; ② Bvisa danho. Zvinoreva simba remagetsi repamusoro (kazhinji kupfuura 10mA) iro munhu anogona kubvisa kana electrode yabatwa nemagetsi nemaoko. Kunyangwe simba iri rine njodzi, rinogona kuribvisa roga, saka harisi njodzi inouraya. Kana simba remagetsi rikawedzera kusvika padanho rakati, munhu akabatwa nemagetsi achabata muviri wakachajwa zvakasimba nekuda kwekuoma kwetsandanyama uye kuputika, uye haagoni kuribvisa ega. ③ Danho remagetsi remagetsi. Nekuwedzera kwemagetsi uye nguva yakareba yekuvhunduka kwemagetsi (kazhinji inodarika 50mA ne1s), ventricular fibrillation ichaitika, uye kana magetsi akasadzimwa nekukasika, zvichakonzera rufu. Zvinogona kuonekwa kuti ventricular fibrillation ndiyo inonyanya kukonzera rufu nemagetsi. Nokudaro, kuchengetedzwa kwevanhu hakuwanzokonzereswi ne ventricular fibrillation, sehwaro hwekuona hunhu hwekudzivirira kwemagetsi shock.
8. Kuchengetedzwa kwe "30mA·s" chii?
Mhinduro: Kuburikidza nekuyedza kwakawanda kwemhuka nezvidzidzo, zvakaratidzwa kuti ventricular fibrillation haina chekuita chete ne current (I) inopfuura nemumuviri wemunhu, asiwo ine chekuita nenguva (t) iyo current inogara mumuviri wemunhu, kureva kuti, huwandu hwemagetsi hwakachengeteka Q=I × t kuti uone, kazhinji 50mA s. Kureva kuti, kana current isiri kupfuura 50mA uye nguva ye current iri mukati me 1s, ventricular fibrillation kazhinji haiitike. Zvisinei, kana ikadzorwa zvichienderana ne 50mA·s, kana nguva ye power-on iri pfupi uye pass current yakakura (semuenzaniso, 500mA×0.1s), kuchine njodzi yekukonzera ventricular fibrillation. Kunyangwe pasi pe 50mA·s isingazokonzere rufu ne electrocution, ichaitawo kuti munhu akabatwa ne electrocution arasikirwe nepfungwa kana kukonzera tsaona yekukuvara kwechipiri. Maitiro ekushandisa akaratidza kuti kushandisa 30 mAs sechiratidzo chekushanda kwemudziyo wekudzivirira kuvhunduka kwemagetsi kwakakodzera zvakanyanya maererano nekuchengetedzeka mukushandiswa uye kugadzirwa, uye kune chiyero chekuchengetedza che1.67 times zvichienzaniswa ne50 mAs (K=50/30 =1.67). Zvinogona kuonekwa kubva pamuganho wekuchengetedza we "30mA·s" kuti kunyangwe magetsi asvika 100mA, chero bedzi mudziyo wekudzivirira kuvuza uchishanda mukati me0.3s uye ukabvisa simba, muviri wemunhu hauzokonzere njodzi inouraya. Nokudaro, muganho we30mA·s wavewo hwaro hwekusarudzwa kwezvigadzirwa zvekudzivirira kuvuza.

9. Ndezvipi zvishandiso zvemagetsi zvinoda kuiswa zvine zvinodzivirira kubuda kwemvura?
Mhinduro: Midziyo yese yemagetsi iri panzvimbo yekuvaka inofanira kunge iine mudziyo wekudzivirira kubuda kwemvura pamusoro pemutsetse wekutakura michina, pamusoro pekunge yakabatana ne zero kuti idzivirire:
① Midziyo yese yemagetsi panzvimbo yekuvaka inofanira kunge iine zvinodzivirira kubuda kwemvura. Nekuda kwekuvakwa kwemhepo yakavhurika, nzvimbo ine hunyoro, kuchinja kwevashandi, uye kusashanda zvakanaka kwemidziyo, kushandiswa kwemagetsi kune njodzi, uye michina yese yemagetsi inofanirwa kusanganisira michina yemagetsi nemwenje, michina inofambiswa uye yakagadziriswa, nezvimwewo. Zvirokwazvo haisanganisi michina inofambiswa nemagetsi akachengeteka uye transformers dzinopatsanura.
②Zviyero zvekutanga zvekudzivirira zeroing (grounding) hazvisati zvachinja sezvinodiwa, inova ndiyo nzira yehunyanzvi yekushandisa magetsi zvakachengeteka uye haigone kubviswa.
③Chidziviriro chekubuda kwemvura chakaiswa pamusoro pemutsetse wekutakura wemidziyo yemagetsi. Chinangwa cheizvi ndechekudzivirira michina yemagetsi ukuwo ichidzivirira tambo dzekutakura kudzivirira tsaona dzemagetsi dzinokonzerwa nekukuvadzwa kwesimbi yemagetsi.
10. Sei chinodzivirira kubuda kwemvura chichiiswa mushure mekunge dziviriro yabatanidzwa pamutsetse we zero (grounding)?
Mhinduro: Hazvina mhosva kuti dziviriro yacho yakabatana ne zero here kana kuti grounding measure, dziviriro yayo yakaganhurirwa. Semuenzaniso, "protection zero connection" ndeyekubatanidza simbi yemidziyo yemagetsi kune zero mutsetse wegrid yemagetsi, uye kuisa fuse parutivi rwemagetsi. Kana michina yemagetsi ikabatwa ne shell fault (phase inobata shell), denderedzwa pfupi rechikamu chimwe chete remutsara we zero rinoumbwa. Nekuda kwe short-circuit current yakakura, fuse inokurumidza kuputitswa uye simba rinobviswa kuti ridzivirirwe. Nheyo yayo inoshanda ndeyekushandura "shell fault" kuita "single-phase short-circuit fault", kuitira kuti pave ne inshuwarisi huru short-circuit cut-off current. Zvisinei, zvikanganiso zvemagetsi panzvimbo yekuvaka hazviwanzoitiki, uye zvikanganiso zvekubuda kwemvura zvinowanzoitika, zvakaita sekubuda kwemvura kunokonzerwa nekunyorova kwemidziyo, mutoro wakawandisa, mitsetse mirefu, kuchembera kwekudzivirira, nezvimwewo. Aya ma leak current values ​​​​madiki, uye inishuwarenzi haigone kugurwa nekukurumidza. Naizvozvo, kukundikana hakuzobviswi otomatiki uye kuchavapo kwenguva yakareba. Asi uku kudonha kwemvura kunokonzera njodzi huru kukuchengetedzwa kwemunhu. Saka, zvinodikanwawo kuisa chinodzivirira kubuda kwemvura chine hunhu hwakanyanya hwekudzivirira.
11. Ndedzipi mhando dzezvinodzivirira kubuda kwemvura?
Mhinduro: Chidziviriro chekudonha kwemvura chinopatsanurwa nenzira dzakasiyana kuti chienderane nesarudzo yekushandiswa. Semuenzaniso, zvichienderana nemaitiro ekuita, chinogona kukamurwa kuita mhando yemagetsi ekuita uye mhando yemaitiro ezvino; zvichienderana nemaitiro ekuita, kune mhando yeswitch uye mhando yerelay; zvichienderana nehuwandu hwemapango nemitsetse, kune waya mbiri-yakapetwa imwe chete, waya mbiri-yakapetwa, waya nhatu-yakapetwa kaviri nezvimwewo. Zvinotevera zvinopatsanurwa zvichienderana nemaitiro ekuita uye nguva yekuita: ①Zvinoenderana nemaitiro ekuita, zvinogona kukamurwa kuita: Kunzwa kwakanyanya: kudonha kwemvura kuri pasi pe30mA; Kunzwa kwepakati: 30~1000mA; Kunzwa kwakaderera: pamusoro pe1000mA. ②Zvinoenderana nenguva yekuita, zvinogona kukamurwa kuita: mhando yekukurumidza: nguva yekushanda kwekudonha kwemvura iri pasi pe0.1s; mhando yekunonoka: nguva yekushanda yakakura kupfuura 0.1s, pakati pe0.1-2s; mhando yenguva yekuchinja: sezvo kudonha kwemvura kuchiwedzera, nguva yekushanda kwekudonha kwemvura inoderera. Kana magetsi ekushanda akayerwa achibuda, nguva yekushanda i0.2 ~ 1s; kana magetsi ekushanda ari ka1.4 pane magetsi ekushanda, i0.1, 0.5s; kana magetsi ekushanda ari ka4.4 pane magetsi ekushanda, ishoma pane 0.05s.
12. Ndeupi musiyano uripo pakati pezvidziviriro zvekudonha kwemvura zvemagetsi nezvinodzivirirwa nemagetsi?
Mhinduro: Chidziviriro chekubuda kwemagetsi chakakamurwa kuita mhando mbiri: rudzi rwemagetsi uye rudzi rwemagetsi zvichienderana nenzira dzakasiyana dzekubuda: ①Chidziviriro chekubuda kwemagetsi chemhando yemagetsi, nemudziyo wekubuda kwemagetsi senzira yepakati, kana kubuda kwemagetsi kwaitika, nzira yacho inobuda uye simba rinobviswa. Zvakashata zvechidziviriro ichi ndeizvi: zvinodiwa pakugadzira zvinhu zvinodhura zvakanyanya uye zvakaoma. Zvakanakira ndeizvi: zvikamu zvemagetsi zvine simba rekudzivirira kupindira uye kuramba kuvhunduka (kuvhunduka kwemagetsi zvakanyanya uye kuvhunduka kwakanyanya); hapana simba rekubatsira rinodiwa; hunhu hwekubuda kwemagetsi mushure me zero voltage uye kukundikana kwechikamu hunoramba husina kuchinja. ②Chidziviriro chekubuda kwemagetsi chinoshandisa transistor amplifier senzira yepakati. Kana kubuda kwemagetsi kwaitika, kunowedzerwa neamplifier uye kunotumirwa kune relay, uye relay inodzora switch kuti ibvise simba. Zvakanakira zvechidziviriro ichi ndeizvi: kunzwisisika kwakanyanya (kusvika ku5mA); kukanganisa kudiki kwekuisa, maitiro ekugadzira ari nyore uye mutengo wakaderera. Zvakashata ndeizvi: transistor ine kugona kusasimba kwekutsungirira kuvhunduka uye haina kuramba kwakasimba kwekupindira kwezvakatipoteredza; inoda simba rekubatsira (ma amplifiers emagetsi anowanzoda simba reDC rinodarika ma volts gumi), kuitira kuti hunhu hwekubuda kwemvura hukanganiswe nekuchinja kwevoltage yekushanda; kana dunhu guru rabuda, dziviriro yedziviriro inorasika.
13. Ndeapi mabasa ekudzivirira emuchina wekupwanya dunhu unobuda?
Mhinduro: Chidziviriro chekubuda kwemagetsi chinonyanya kushandiswa kudzivirira kana michina yemagetsi ine dambudziko rekubuda kwemagetsi. Pakuisa chidziviriro chekubuda kwemagetsi, mudziyo wekudzivirira wekuwedzera wemagetsi unofanirwa kuiswa. Kana fuse ichishandiswa sedziviriro yemagetsi, kusarudzwa kwezvinodiwa zvayo kunofanirwa kuenderana nekugona kwekudzivirira kwekubuda kwemagetsi. Parizvino, chidziviriro chemagetsi chekubuda kwemagetsi chinobatanidza mudziyo wekudzivirira kubuda kwemagetsi neswitch yemagetsi (automatic air circuit breaker) chinoshandiswa zvakanyanya. Rudzi rutsva rwechidziviriro chemagetsi urwu rune mabasa ekudzivirira magetsi mapfupi, kudzivirira kuwandisa kwemagetsi, kudzivirira kuwanda kwemagetsi uye kudzivirira undervoltage. Panguva yekuisa, waya dzinorerutswa, huwandu hwebhokisi remagetsi hunoderedzwa uye manejimendi ari nyore. Zvinorehwa nemuenzaniso wezita remuchina wemagetsi wekubuda kwemagetsi mapfupi ndeizvi: Nyatsoteerera paunenge uchiishandisa, nekuti chidziviriro chemagetsi mapfupi chine zvinhu zvakawanda zvinodzivirira, kana paine rwendo, chikonzero chekukundikana chinofanira kujekeswa zvakajeka: Kana chidziviriro chemagetsi mapfupi chakatyoka nekuda kwepfupi, chifukidziro chinofanira kuvhurwa kuti chitarise kana ma contacts aripo. Pane kutsva kwakanyanya kana makomba; kana dunhu rakagumburwa nekuda kwekuwandisa kwemagetsi, harigone kuvharwazve nekukasika. Sezvo circuit breaker ine thermal relay sekudzivirira overload, kana rated current yakakura kupfuura rated current, bimetallic sheet inokotamiswa kuti iparadzanise contacts, uye contacts dzinogona kuvharwazve mushure mekunge bimetallic sheet yatonhodzwa zvechisikigo uye yadzorerwa kumamiriro ayo ekutanga. Kana rwendo rwacho rwukakonzerwa nekudonha kwemvura, chikonzero chinofanira kuwanikwa uye kukanganisa kwacho kunobviswa usati wadzokera. Forcible closing inorambidzwa zvachose. Kana leakage circuit breaker yatyoka uye yadonha, mubato wakafanana neL uri pakati. Kana wakavharwazve, mubato wekushanda unofanirwa kudhonzwa pasi (nzvimbo yekupwanya) kutanga, kuitira kuti operating mechanism ivharwezve, uye wozovharwa kumusoro. Leakage circuit breaker inogona kushandiswa pakuchinja midziyo ine simba guru (rinopfuura 4.5kw) risingawanzo shandiswa mumagetsi.
14. Ungasarudza sei chinhu chinodzivirira kubuda kwemvura?
Mhinduro: Sarudzo yemudziviriri wekudonha kwemvura inofanira kusarudzwa zvichienderana nechinangwa chekushandisa uye mamiriro ekushanda:
Sarudza zvichienderana nechinangwa chekudzivirira:
①Kuti udzivise kuvhunduka kwemagetsi. Kana yaiswa pamucheto wemutsetse, sarudza chinodzivirira kubuda kwemvura chinokurumidza uye chinonzwa zviri nani.
②Pamitsetse yemapazi inoshandiswa pamwe chete nemidziyo yekudzika pasi kudzivirira kuvhunduka kwemagetsi, shandisai zvinodzivirira kubuda kwemvura zvine mwero uye zvinokurumidza.
③ Pamugero wekutakura zvinhu kuti udzivirire moto unokonzerwa nekubuda kwemvura uye kudzivirira tambo nemidziyo, zvinodzivirira kubuda kwemvura zvine mwero uye zvinononoka nenguva zvinofanira kusarudzwa.
Sarudza zvinoenderana nemodhi yemagetsi:
① Pakudzivirira tambo dzechikamu chimwe chete (midziyo), shandisa zvinodzivirira kubuda kwemvura zvine waya mbiri kana kuti matanda maviri.
② Pakudzivirira mitsetse yezvikamu zvitatu (midziyo), shandisa zvigadzirwa zvematanda matatu.
③ Kana paine zvikamu zvitatu nezvikamu chimwe chete, shandisa zvigadzirwa zvemapondo mana kana mapango mana zvine matanda matatu. Pakusarudza huwandu hwemapango emudziviriri wekudonhedza mvura, inofanira kuenderana nehuwandu hwemitsara yemutsetse unofanirwa kuchengetedzwa. Huwandu hwemapango emudziviriri hunoreva huwandu hwewaya dzinogona kudonhedzwa nekubatana kwemukati, senge chidziviriri chemapango matatu, zvinoreva kuti kubatana kweswitch kunogona kudonhedza waya nhatu. Zvidziviriri zvemapondo maviri, mapango maviri uye mapango matatu zvine waya isina kupindirana inopfuura zvakananga nechinhu chekuona kudonhedza mvura pasina kudonhedzwa. Mutsetse wekushanda zero, terminal iyi inorambidzwa zvachose kubatana netambo yePE. Zvinofanira kucherechedzwa kuti chidziviriri chekudonhedza mvura chemapango matatu hachifanirwe kushandiswa pamidziyo yemagetsi yemapango maviri (kana single-phase three-waya). Hazvina kukodzerawo kushandisa chidziviriri chekudonhedza mvura chemapango mana pamidziyo yemagetsi yemapango matatu. Hazvibvumirwi kutsiva chidziviriri chekudonhedza mvura chemapango matatu nechidziviriri chekudonhedza mvura chemapango matatu.
15. Zvichienderana nezvinodiwa zvekugoverwa kwesimba rakarongwa, bhokisi remagetsi rinofanira kunge riine marongero mangani?
Mhinduro: Nzvimbo yekuvaka inowanzo kugoverwa zvichienderana nematanho matatu, saka mabhokisi emagetsi anofanirawo kuiswa zvichienderana nerudzi rwezvinhu, ndiko kuti, pasi pebhokisi guru rekuparadzira, pane bhokisi rekuparadzira, uye bhokisi rekuchinja riri pasi pebhokisi rekuparadzira, uye michina yemagetsi iri pasi pebhokisi rekushandura. . Bhokisi rekuparadzira ndiro chinobatanidza chekutumira simba nekugovera pakati pesimba remagetsi nemidziyo yemagetsi musystem yekuparadzira. Ichi chishandiso chemagetsi chinoshandiswa zvakanyanya pakugovera simba. Matanho ese ekugovera anoitwa kuburikidza nebhokisi rekuparadzira. Bhokisi guru rekuparadzira rinodzora kugoverwa kwesystem yese, uye bhokisi rekuparadzira rinodzora kugoverwa kwebazi rega rega. Bhokisi rekushandura ndiro mugumo wesystem yekuparadzira simba, uye mberi kune michina yemagetsi. Midziyo yega yega yemagetsi inodzorwa nebhokisi rayo rekushandura rakatsaurirwa, ichishandisa muchina mumwe negedhi rimwe. Usashandise bhokisi rimwe rekushandura pamidziyo yakati wandei kudzivirira tsaona dzekushanda zvisina kunaka; zvakare usasanganise kudzora kwesimba nemwenje mubhokisi rimwe rekushandura kudzivirira mwenje kuti isakanganiswa nekukundikana kwetambo dzemagetsi. Chikamu chepamusoro chebhokisi remagetsi chakabatana nemagetsi uye chikamu chezasi chakabatana nemidziyo yemagetsi, iyo inowanzo shandiswa uye ine njodzi, uye inofanira kutariswa. Kusarudzwa kwezvikamu zvemagetsi mubhokisi remagetsi kunofanirwa kugadziriswa kuti zvienderane nedunhu nemidziyo yemagetsi. Kuiswa kwebhokisi remagetsi kwakamira uye kwakasimba, uye kune nzvimbo yekushanda yakakomberedza. Hapana mvura yakamira kana mvura zhinji pasi, uye hapana chinobva kupisa uye kudedera pedyo. Bhokisi remagetsi rinofanira kunge risingapinde mumvura uye risingapindi guruva. ​​Bhokisi remagetsi harifanirwe kunge riri kure nemidziyo yakatarwa kuti idzorwe.
16. Sei uchifanira kushandisa dziviriro yakarongwa?
Mhinduro: Nekuti magetsi ane voltage shoma uye kugoverwa kunowanzo shandiswa kugoverwa kwesimba rakarongwa. Kana chidziviriro chekudonha kwesimba chakaiswa chete pamagumo emutsetse (mubhokisi rekuchinja), kunyangwe mutsetse wekutadza uchigona kubviswa kana kubuda kwesimba kukaitika, huwandu hwekudzivirira hudiki; zvakafanana, kana mutsetse we trunk webazi (mubhokisi rekuparadzira) kana mutsetse we trunk (bhokisi guru rekuparadzira) wakaiswa. Isa chidziviriro chekudonha kwesimba, kunyangwe huwandu hwekudzivirira hwakakura, kana mimwe michina yemagetsi ikadonha uye ikadonha, zvichaita kuti sisitimu yese irasikirwe nemagetsi, izvo zvisingangokanganisi mashandiro enguva dzose emidziyo isina mhosva, asiwo zvinoita kuti zvive zvakaoma kuwana tsaona. Zviri pachena kuti nzira idzi dzekudzivirira hadzina kukwana. Saka, zvinodiwa zvakasiyana senge mutsetse nemutoro zvinofanirwa kubatanidzwa, uye vadziviriri vane hunhu hwakasiyana hwekuita kwekudonha kwesimba vanofanirwa kuiswa pamutsetse mukuru we low-voltage, mutsetse webazi uye mugumo wemutsara kuti vagadzire network yekudzivirira kwekudonha kwesimba. Panyaya yekudzivirira kwakarongwa, huwandu hwekudzivirira hwakasarudzwa pamatanho ese hunofanira kushanda pamwe chete kuti huve nechokwadi chekuti chidziviriro chekudonha kwesimba hachizopfuuri chiito kana tsaona yekudonha kwesimba kana tsaona yemagetsi yemunhu ikaitika pamagumo; Panguva imwe chete, zvinodiwa kuti kana chidziviriro chepazasi chikakundikana, chidziviriro chepazasi chiite basa rekugadzirisa chidziviriro chepazasi. Kukundikana netsaona. Kushandiswa kwedziviriro yakarongwa kunoita kuti michina yega yega yemagetsi ive nematanho anopfuura maviri ekudzivirira kubuda kwemvura, izvo zvisingangogadzi chete mamiriro ekushanda akachengeteka emidziyo yemagetsi pamagumo emitsetse yese yegridi yemagetsi ine voltage shoma, asiwo zvinopa kubatana kwakananga uye kusina kunanga kwakawanda kwekuchengetedza kwemunhu. Uyezve, zvinogona kuderedza huwandu hwekudzima kwemagetsi kana paine chikanganiso, uye zviri nyore kuwana nekuwana pokukanganisa, izvo zvine mhedzisiro yakanaka pakuvandudza mwero wekushandiswa kwemagetsi kwakachengeteka, kuderedza tsaona dzemagetsi, uye kuona kuchengetedzeka kwekushanda.