Umuvuduko wa Sag ni iki?

Umuvuduko wa voltage nigabanuka ryigihe gito mumashanyarazi hagati ya 10% na 90% ya voltage nominal imara igice cyumuzingo kugeza kumunota umwe. Ihungabana ryububasha bwimbaraga zibaho mugihe gitunguranye gisabwa - uhereye kuri moteri itangira, imiyoboro migufi, cyangwa amakosa ya sisitemu - itera voltage kugabanuka gato mbere yo gusubira murwego rusanzwe.

Gusobanukirwa na voltage sag ibintu kuko iki kintu kigira ingaruka mubikorwa byinganda kwisi yose. Ibikoresho bigezweho byo gukora, uhereye kuri porogaramu zishobora gukoreshwa kugeza kuri drives yihuta, byarushijeho kwiyumvisha ibyo bitonyanga bigufi. Ikintu kimwe cya sag cyamara igihe gito gusa gishobora guhagarika umurongo wose wibyakozwe, kwangiza sisitemu yamakuru, cyangwa kwangiza ibikoresho bya elegitoroniki byoroshye.

Impamvu zisanzwe ziterwa na voltage Sag

Umuvuduko wa voltage ukomoka kumasoko yimbere yimbere hamwe na gride yo hanze. Impamvu eshatu zitera imbere ni amakosa yumurongo, moteri ya induction itangira, hamwe na transformateur itanga ingufu.

Imiyoboro yo hanze itera

Amashanyarazi ya sisitemu yerekana isoko ikomeye cyane ya voltage sags. Iyo umurongo umwe - kugeza - ikosa ryubutaka ribaye ahantu kuri gride yingirakamaro, birashobora kugira ingaruka kubakoresha muri radiyo 100 -. Inkuba ikubise, amashami y'ibiti yaguye, impanuka zo mumuhanda zirimo inkingi zingirakamaro, hamwe n’umuyaga wangiza imirongo yoherejwe byose bitera amakosa akwirakwizwa binyuze mumurongo wo gukwirakwiza. Ibikorwa byingirakamaro kuruhande rwibintu byinshi byimbitse ya voltage sags, aho voltage igabanuka munsi ya 50% ya nominal.

Ikirere events- ibyabaye bifitanye isano bitera ibibazo cyane. Inkuba ntikeneye gukubita umurongo w'amashanyarazi kugirango itere ibibazo - imyigaragambyo yegeranye ikuramo ingufu zikomeye zitangwa ryaho, zungurura umurongo kandi zitera ibihe byiza kubakoresha. Umuyaga mwinshi urambye mugihe cyumuyaga urashobora gukubita imirongo cyangwa gutera ibiti, bigatera ibikoresho birinda ibintu bitera imbaraga za voltage kumatungo abangikanye nubwo iyo miyoboro ikomeza kuba ingufu.

Ibikoresho by'imbere bitera

Ibintu byinshi bya voltage sag bituruka kubikoresho biri munzu cyangwa igihingwa aho guturuka kubikorwa. Imashini itangira moteri ikora ibintu bisanzwe byimbere mumiterere yinganda. Moteri nini ya induction irashobora gushushanya inshuro 5-7 igipimo cyagenwe mugihe cyo gutangira, bigatuma igabanuka ryinshi rya voltage hejuru ya sisitemu itagira ingaruka kubindi bikoresho kumuzingo umwe.

Itanura rya Arc mubikoresho byo gutunganya ibyuma bitanga cyane cyane kandi bikunda kugabanuka bitewe ningufu nyinshi zisaba imbaraga. Iyi mitwaro irema ibintu bitaringaniye bitanga imbaraga za asimmetric voltage sags zigira ibyiciro bitandukanye. Imbaraga za Transformer nazo zitera sags, cyane cyane iyo intandaro ya transformateur itigeze igabanuka mbere yingufu za re -, biganisha kumashanyarazi ya inrush agabanya imbaraga za sisitemu yigihe gito.

Mugihe cyo guturamo, imbaraga za voltage zibaho mugihe firigo, konderasi, cyangwa abafana b'itanura bazunguruka. Mugihe bidakabije kurenza inganda zinganda, ibyabaye birashobora kugira ingaruka kubintu bya elegitoroniki yo murugo kandi bigatera gucana amatara.

Uburyo Voltage Sag igira ingaruka kubikoresho bitandukanye

Ingaruka za voltage sag ziratandukanye cyane bitewe nubwoko bwibikoresho, igishushanyo, nubunini bwa sag nigihe bimara. Umuvuduko mwinshi wa voltage umara hagati yinzinguzingo 2 na 10 (milisegonda 33-167 muri sisitemu ya 60 Hz), ariko nibintu bigufi birashobora gutera kunanirwa.

Ibikoresho byo mu nganda

Imiyoboro yihuta ishobora kugendana na drives ya variable yerekana ibyiyumvo byinshi kuri voltage sags. Ibi bikoresho bishingiye kuri capacitor ya DC kugirango ikomeze imikorere ihamye. Mugihe cya sag, capacator zisohora kugirango zishyure kugabanuka kwinjiza voltage. Niba igicucu cyimbitse bihagije cyangwa kimara igihe kinini bihagije kugirango ukureho capacator munsi yumubare muto wibikorwa bya disiki, ibinyabiziga bigenda kumurongo. Ubushakashatsi bwakozwe bwerekana ko igihe ntarengwa cyateganijwe kuva voltage sag igura ibikoresho byinganda ugereranije $ 260.000 kumasaha.

Porogaramu zishobora gukoreshwa (PLCs) hamwe na sisitemu yo kugenzura imikorere nayo yerekana kwihanganira nabi sag. Ibikoresho bya microprocessor - bishingiye kubikoresho bisaba imbaraga za DC zihamye kugirango zibungabunge kwibuka no gukora algorithm. Umuvuduko wa voltage urashobora kwangiza amakuru, gusubiramo utunganya, cyangwa gutuma PLC yinjira muburyo bwikibazo gisaba ubufasha bwintoki kugirango utangire ibikorwa.

Imashini itangiza moteri hamwe na relay bigabanuka mugihe cya voltage yagabanutse mugihe voltage ya coil iguye munsi yumusozo wamanutse, mubisanzwe hafi 70 - 80% ya voltage yagenwe. Ibi bitera moteri ihujwe na de-ingufu nubwo imbaraga zikomeza kuboneka, bigatera guhagarika bitari ngombwa no gutangira gutinda.

Sisitemu na Data Sisitemu

Amashanyarazi muri mudasobwa na seriveri akoresha ingufu zabitswe muri capacator kugirango yinjize neza itandukaniro. Iyo imbaraga za voltage zibaye, ibyo bitanga ingufu bikurura ingufu kugirango bigumane ingufu za voltage, bigabanya ingufu za capacitori vuba. Niba sag irenze amashanyarazi yatanzwe - igihe cyo hejuru (mubisanzwe 8 - milisegonda 20 kubikoresho byo mu rwego rwabaguzi), sisitemu itakaza imbaraga, igwa, kandi igatakaza amakuru yose atabitswe.

Ibigo byamakuru bihura nibibazo byihariye kuko impanuka ya seriveri irashobora kugira ingaruka kubihumbi byabakoresha icyarimwe. Umuvuduko umwe wa voltage sag urashobora gukurura ruswa yububiko, kunanirwa mubikorwa, no guhagarika serivisi bifata amasaha kugirango bikemuke na nyuma ya voltage igarutse mubisanzwe.

Igiciro Cyihishe cya Voltage Sag muri Bateri ya 48V eBike

Amagare yamashanyarazi ahura nubwoko bwihariye bwa voltage sag itandukanya na gride - ibibazo bishingiye. Muri sisitemu ya 48V eBike ukoresheje bateri ya lithium - ion, voltage sag ibaho mugihe umuvuduko mwinshi uva kuri moteri utera umuvuduko wigihe gito bitewe na bateri imbere.

Ubusanzwe ipaki ya batiri ya 48V eBike igizwe na selile 13 zikurikirana (13S iboneza), hamwe na voltage yuzuye yuzuye hafi 54.6V hamwe na - ya voltage yo hasi hafi ya 39-42V. Iyo uyigenderaho yihuta cyane, azamuka imisozi, cyangwa akora murwego rwo hejuru rwo gufasha, moteri irashobora gukuramo amps 20-30 muri bateri. Umuyoboro mwinshi utera voltage kugabanuka kuri volt 3-6 kubera kurwanya imbere, kugabanya by'agateganyo ingufu za bateri kurwego rutera sisitemu yo gucunga bateri (BMS) kurinda amashanyarazi.

Ingaruka ifatika bivuze ko abatwara ibinyabiziga bagabanuka bitunguranye nubwo bateri yerekana amafaranga asigaye. Niba voltage iruhuka yicaye hafi ya 43-46V (hafi ya 20-40% yumuriro), icyinjira gitunguranye gishobora kugabanya voltage munsi yumutambiko wa 40-42V, igahagarika moteri. Abatwara ibinyabiziga bagomba noneho kugabanya ingufu z'amashanyarazi hanyuma bagategereza ko ingufu za voltage mbere yo gukomeza, zishobora kubabaza mugihe cyo kuzamuka cyangwa mumodoka.

Imyaka ya Batteri yongera iki kibazo. Nkuko selile ya lithium igenda yangirika binyuze muburyo busanzwe bwo gukoresha, kurwanya imbere biriyongera, bigatuma imbaraga za voltage zigaragara munsi yimitwaro imwe. Batare yakoze neza mugihe gishya irashobora gutangira kwerekana imyitwarire iteye ikibazo nyuma ya 300-500 yikurikiranya, nubwo gupima ubushobozi byerekana ubuzima bwemewe.

Ibisobanuro bya tekiniki n'ibipimo

Ibipimo byumwuga bisobanura ibipimo bya voltage sag neza kugirango bishoboke gupimwa no kugereranya murwego rwamashanyarazi.

Ibipimo bya IEEE na IEC

IEEE 1159 isanzwe isobanura voltage sag nkigabanuka rya voltage ya RMS hagati ya 10% na 90% ya nominal, ikomeza kuva 0.5 cycle kugeza kumunota 1. Ibyabaye bigufi kurenza 0.5 byikurikiranya byashyizwe mubikorwa, mugihe kugabanuka kwa voltage kumara igihe kirenze umunota 1 bifatwa nkibikomeza munsi ya volvoltage cyangwa brownout. Iri tandukaniro rifite akamaro kuko uburyo butandukanye bwo kugabanya ibikorwa bukora kuri sags hamwe na voltage ikomeza.

IEC 61000 - 4-30 isanzwe itanga ibisobanuro bisa ariko ikubiyemo ubundi buyobozi bwuburyo bwo gupima no kurenga. IEC isobanura sag nkuko bibaho mugihe voltage igabanutse munsi ya 90% ya voltage yatangajwe mugihe cyigihe hagati y igice cyumunota numunota umwe, hamwe no gukira hejuru ya 90% nyuma.

Ibipimo byombi bishimangira ko voltage sag irangwa nibintu bibiri byingenzi: ubunini (cyangwa ubujyakuzimu) nigihe bimara. Agace kugeza kuri 70% ya voltage nominal yamara inzinguzingo 6 yerekana ibintu bitagereranywa, mugihe sag kugeza 30% bimara 2 byikurikiranya bigize ibintu bikomeye bizagendana nibikoresho byoroshye.

Gupima Umuvuduko wa Sag

Isesengura ryiza ryimbaraga zifata ibyabaye mukomeza gukurikirana voltage ya RMS kubipimo bya 5 kHz cyangwa irenga. Ibi bikoresho byandika byibuze voltage, igihe bimara, igihe cyabayeho, hamwe nicyiciro cya gatatu - icyiciro cyabaye. Amakuru yerekana niba sags iringaniye (igira ingaruka mubyiciro bitatu byose) cyangwa iringaniye (bigira ingaruka mubice bitandukanye).

Ubunini bwa voltage ubunini bugaragazwa nkijanisha ryizina cyangwa muri - indangagaciro. Agace kugeza kuri 0.7 kuri buri gice bivuze ko voltage yagabanutse kugera kuri 70% ya nominal. Ikiringo gipimwa mukuzunguruka (kuri 60 Hz, uruziga rumwe rungana na milisegonda 16.67) cyangwa muri milisegonda kugirango bisobanuke neza.

Umurongo umwe - kugeza kuri - amakosa yubutaka, agereranya hejuru ya 80% yikwirakwizwa rya sisitemu, arema imiterere idahwitse ya sag. Izi ngero zifasha abasesengura ubuziranenge bwimbaraga kumenya ahantu hamwe nubwoko bushingiye ku ntera ya voltage igereranije kuri buri cyiciro hamwe nimpinduka zingingo zibaho mugihe cyabaye.

Umuvuduko wa Sag hamwe na Fenomena

Gutandukanya voltage sag nibintu bisa nubuziranenge bwibintu bifasha muguhitamo ingamba zikwiye zo kurinda.

Umuvuduko wa Sag hamwe na Brownout

Umuvuduko wa sag na brownout byombi bigabanya imbaraga za voltage, ariko ziratandukanye cyane mugihe zimara. Brownout ni nkana cyangwa itabigambiriye kugabanuka kumashanyarazi kumara iminota cyangwa amasaha, akenshi bigashyirwa mubikorwa na komite mugihe cyibisabwa kugirango hirindwe sisitemu yose. Umuvuduko wa voltage ni ngufi, utabishaka ibyabaye bimara amasegonda cyangwa munsi bituruka kumakosa cyangwa impinduka zitunguranye.

Uburyo bwa mituweli buratandukanye cyane. Brownout irashobora gusaba guhuza ibikorwa, kumeneka imitwaro, cyangwa ibisekuruza byiyongera kugirango bikemuke. Umuvuduko w'amashanyarazi ukenera byihuse - ibikoresho bikoresha amashanyarazi bishobora gutera inshinge zingana na milisegonda.

Umuvuduko wa Sag hamwe na Interruption

Ihagarikwa ryerekana igihombo cyuzuye cya voltage (munsi ya 10% ya nominal), mugihe sag ikomeza voltage mugihe cyose cyabaye. Iri tandukaniro rifite akamaro kuko imyitwarire yibikoresho iratandukanye cyane. Mugihe cyo guhagarika, amashanyarazi asohora byuzuye kandi sisitemu zitakaza ingufu rwose. Mugihe cya sags, ibikoresho bimwe birashobora gukomeza gukora niba voltage isigaye igumye hejuru yumubare muto.

Guhagarika biva mubikorwa byo kurinda ibikoresho - kumena inzitizi cyangwa kwifungura gufungura amakosa. Isakoshi ibaho mugihe amakosa ahari ariko mbere yuko ibikoresho birinda bikora, cyangwa mugihe imigezi myinshi ya inrush itera imbaraga za voltage zitarinze gukingira.

Umuvuduko w'amashanyarazi Sag

Umuvuduko w'amashanyarazi ni ibintu bitandukanye - kwiyongera kumwanya wa voltage hejuru ya 110% ya nominal. Ibibyimba bibaho gake cyane ugereranije na sags kandi mubisanzwe biva kumurongo umwe - kugeza kuri - amakosa yubutaka kuri sisitemu zidafite aho zihurira, aho ibyiciro bitarenganijwe bigira umuvuduko ukabije wa voltage, cyangwa iyo imizigo minini itunguranye kandi imbaraga zidasanzwe zashizwemo nuwo mutwaro zitera voltage gusimbuka.

Mugihe udusimba dutera ibikoresho gutembera kumurongo cyangwa kudakora neza, kubyimba birashobora kwangiza burundu kubice birenze ibipimo byokwirinda no gushimangira imiyoboro ya semiconductor. Ingaruka ziterwa no kubyimba inshuro nyinshi gutesha agaciro ibikoresho nubwo ibintu byabaye bidatera kunanirwa ako kanya.

Ingamba zo gukumira no kugabanya

Gukemura voltage sag bisaba uburyo butandukanye buhuza ibikorwa - kunoza uruhande, ibikoresho - kurinda urwego, nibikoresho - gukomera.

Gutezimbere Sisitemu Yimbaraga

Kongera ubushobozi bwumuzunguruko mugufi aho bihurira bigabanya voltage sag. Ibi birashobora kugerwaho ukoresheje ingano nini ya kiyobora kugirango ugabanye impedance, ihuza urwego rwo hejuru rwa voltage aho amakosa ari menshi, cyangwa ugashyiraho ubundi bushobozi bwo guhindura ibintu. Nubwo ari byiza, ibisubizo birimo ishoramari rikomeye kandi ntibishoboka kubikorwa bihari.

Byoroheje - gutangira ibikoresho bya moteri nini bigabanya inrush igabanya, kugabanya - iterwa na voltage sags mubikoresho. Intangiriro yoroshye igenda yiyongera kuri moteri kuri moteri mumasegonda menshi, igabanya impinga itangira kuva kuri 600% ya rezo igera kuri 200 - 300%. Iki gisubizo cyingirakamaro gikemura kimwe mubisanzwe bikomoka imbere.

Kugarura ingufu za Dynamic

Dynamic Voltage Restorers (DVR) yerekana tekinoroji igezweho. DVRs ikurikirana voltage yinjira kandi ikanatera inshinge zindishyi zikurikirana hamwe nibitangwa mugihe hagaragaye. Ukoresheje ububiko bwingufu (mubisanzwe capacator) kandi byihuse - guhinduranya amashanyarazi ya elegitoroniki, DVRs irashobora gukosora voltage muri milisegonda 1-2, mbere yuko ibikoresho byoroshye bitahura imvururu.

Sisitemu ya DVR ikora kuri 96-99% ikora muburyo busanzwe bwa bypass, wongeyeho igihombo gito. Mugihe cyo gukosora sag, barashobora kugumana voltage yamasegonda 0.5-5 bitewe nubushobozi bwo kubika ingufu hamwe nuburebure bwa sag. Ibi bikubiyemo hejuru ya 90% yibisanzwe bya voltage sag. DVRs irinda kurinda imirongo yose yumusaruro cyangwa ibikoresho bikomeye aho ibindi bisubizo byaba bidashoboka.

Amashanyarazi adahagarikwa

Sisitemu ya UPS itanga uburinzi bwumubyigano wa voltage hamwe nuguhagarika byuzuye ukoresheje ububiko bwingufu za batiri hamwe nikoranabuhanga rya inverter. Mugihe cya sags, UPS irakomeza gutanga umutwaro uva kumasoko ya AC mugihe utanga voltage (kumurongo wikubye kabiri - igishushanyo mbonera) cyangwa ugahindura ingufu za bateri muri milisegonda 4 - 8 (muburyo bwo guhuza umurongo).

Kurinda voltage sag yonyine, sisitemu ya UPS ikunze kuba nini kandi ihenze. Amagare ya bateri mugihe cya sag agabanya ubuzima bwa bateri, byongera amafaranga yo kubungabunga. UPS ibisubizo ikora neza mugihe kurinda interruption nabyo birakenewe, cyangwa kumitwaro mito aho ubukungu bwa UPS bwumvikana.

Ikigo - Ibisubizo by'Urwego

Gushyira ibikoresho bya voltage sag byo gukosora ahantu hateganijwe - kwinjira muri serivisi, imbaho ​​zo gukwirakwiza, cyangwa imashini igenzura imashini - itanga uburinzi bugamije. Ahantu heza hashingiwe kumasoko ya sag, uburemere bwimitwaro, nubukungu.

Kubikoresho bifite imitwaro myinshi yoroheje, kurinda ubwinjiriro bwa serivisi birinda ibikoresho byose kubikorwa - kuruhande ariko ntibishobora gukemura imbere imbere kuva moteri nini itangira. Ibikoresho - kurinda urwego bigura make kumutwaro urinzwe ariko bisaba ibikoresho byinshi kandi ntibibuza sags kugira ingaruka kubindi bikoresho bitakingiwe.

Gukurikirana ubuziranenge bwimbaraga bifasha kumenya sag inshuro, ubunini, ninkomoko mbere yo gushora muri mituweli. Amakuru yerekana ko 80% ya sags aturuka kumakosa yingirakamaro hamwe nimbere yimbere biganisha kubikorwa bitandukanye byo kurinda. Igenzura rishyiraho kandi ibyingenzi ningamba zo kunoza nyuma yo gushyira mu bikorwa mituweli.

Umuvuduko wa Sag muburyo budasanzwe

Inganda zimwe na zimwe zihura na voltage sag idasanzwe isaba ibisubizo byihariye.

Gukora Semiconductor

Guhimba chip bisaba imbaraga zidasanzwe, zihamye. Umuvuduko umwe wa voltage urashobora kwangiza igice cyose cya wafer gifite agaciro ka miriyoni y'amadorari. Semiconductor fabs mubisanzwe ushyiraho amashanyarazi yingirakamaro hamwe na transfert yihuta, kurinda DVR kubikoresho bikomeye, na sisitemu ya UPS yo kugenzura na sisitemu yamakuru.

Inganda zinganda nka SEMI F47 zerekana voltage sag kugendana - binyuze mubisabwa ibikoresho byo gukora semiconductor. Ibikoresho bigomba gukora nta nkomyi binyuze muri voltage igabanuka kugeza kuri 50% kugeza kuri milisegonda 200, hamwe no kwihanganira umurongo mwinshi wo kwihanganira ibintu bigufi.

Ibigo byamakuru hamwe na comptabilite

Ibigo bigezweho bikora kuri 99,999% intego yo kuboneka, bivuze ko igihe cyumwaka kigomba kuguma munsi yiminota 5.26. Umuvuduko wa voltage ugereranya iterabwoba rikomeye kuriyi ntego. Abakozi bashinzwe amakuru manini basanzwe bakoresha ibyiciro byinshi byo kurinda: ibikoresho - ibyiciro byamashanyarazi, sisitemu ya UPS, nibikoresho - ibikoresho byamashanyarazi hamwe nigihe kinini - hejuru.

Guhinduranya kugabanura amashanyarazi menshi DC mukigo cyamakuru (380V DC na 208V AC gakondo) itanga kwihanganira voltage sag kuko ibikoresho bya DC bishobora kugendana na AC - kuruhande rwumubyimba neza kuruta AC - kugeza kuri - DC ihinduka ryinjiza.

Ibigo nderabuzima

Ibitaro bisaba imbaraga zidahagarara mubuzima - sisitemu yumutekano. Mugihe amashanyarazi yihutirwa akemura ikibazo cyuzuye, ntabwo akora byihuse kugirango akumire ingaruka za voltage sag. Ibikoresho byingenzi mubyumba byo gukoreramo, amashusho yerekana amashusho, hamwe nubuvuzi bukomeye bikenera gukosorwa neza cyangwa kurinda UPS kugirango bikomeze gukora.

Ibikoresho byubuvuzi bigezweho birimo microprocessor - igenzura ryumva cyane ihungabana rya voltage. Umuvuduko wa voltage mugihe cyo kubagwa urashobora guhagarika ibikoresho byerekana, kwangiza amakuru yo kwisuzumisha, cyangwa gutera ibikoresho gusubiramo bisaba iminota yo kugarura imikorere yuzuye.

Kurinda voltage sag mubikoresho ukoresheje sisitemu ya batiri ya lithium 48V - haba muri eBikes, kugarura itumanaho, cyangwa kubika ingufu zishobora kuvugururwa - bisaba kwitondera byombi biranga amashanyarazi ya selile ya lithium - ion hamwe na profil yihariye yumutwaro. Ububasha bwo hejuru bwa bateri (bupimye mumasaha amp -) mubisanzwe byerekana imbaraga nkeya zingana munsi yikigereranyo gihwanye kuko umutwaro ukwirakwizwa mumatsinda menshi yingirakamaro, kugabanya amashanyarazi kuri selile bityo bikagabanya kurwanya imbere imbere.

Mugihe sisitemu yingufu zigenda zigorana hamwe nigisekuru cyagabanijwe, kongera imbaraga zishobora kwinjizwa, no kwiyongera kwikora, voltage sag izakomeza kuba ikibazo gikomeye cyingufu zingufu. Ikibazo kigenda cyiyongera uko ibikoresho bigenda icyarimwe byunvikana n’imivurungano kandi bikarusha ibikorwa.

Ikoranabuhanga rigezweho rya mituweli rikomeje gutera imbere mubushobozi ndetse nigiciro - gukora neza. Iterambere mubyuma bya elegitoroniki rituma imbaraga za voltage zikosorwa hamwe nibisubizo byihuse. Iterambere rya tekinoroji yo kubika ingufu, cyane cyane muri capacitor na sisitemu ya batiri, itanga urugendo rurerure - binyuze mugihe gito ku giciro gito. Kwinjizamo ibikoresho byujuje ubuziranenge hamwe na sisitemu ya gride ya sisitemu itanga ibisubizo bihujwe mubikoresho byinshi no guhanura neza igihe n'aho sags izabera.

Ku mashyirahamwe asuzuma ibyago bya voltage sag, aho itangirira igomba kuba yumva ubwiza bwamashanyarazi kubigo byabo binyuze mugukurikirana. Inganda rusange mubyerekeranye na sag frequency itanga agaciro gake kuko buri mwanya uhura nibihe byihariye ukurikije isano ifatika, imizigo yimbere, hamwe nubushobozi bwibikoresho. Gukurikirana iminsi 30-90 ifata imiterere isanzwe kandi ikagaragaza intege nke zo gukemura hamwe na mituweli igamije kuruta uburyo bwo kurinda ibiringiti.

Ibibazo Bikunze Kubazwa

Ni irihe tandukaniro riri hagati ya voltage sag na voltage igabanuka?

Umuvuduko wa voltage nikintu cyigihe gito kimara milisegonda kumasegonda yikosora. Umuvuduko w'amashanyarazi bivuga kugabanuka - kugabanuka kwa leta kugabanuka kumashanyarazi aboneka kumatwara kubera guhangana no gutemba. Umuvuduko w'amashanyarazi uhoraho mugihe cyo gukora imitwaro kandi ukemurwa nubunini bukwiye bwa sisitemu mugihe cya sisitemu. Umuvuduko wa voltage nigikorwa cyingufu zingufu zisaba ibikoresho birinda kugabanya.

Ese voltage sag ishobora kwangiza ibikoresho burundu?

Umuvuduko wa voltage ubwayo ni gake utera kwangirika burundu kuko voltage iguma mumipaka isanzwe. Nyamara, ibikoresho bisubiza sags - guhagarika gutunguranye, kongera gutangiza imigezi ya inrush, gahunda yo kugenzura yangiritse - irashobora kwangiza muburyo butaziguye. Gusubiramo inshuro nyinshi sag byihuta kwambara kubatumanaho, kwerekanwa, no guhinduranya moteri. Ingaruka nini mu bukungu ituruka ku gutakaza umusaruro, ruswa yamakuru, no gutangira gutinda aho kuba ibikoresho byo gusimbuza ibikoresho.

Nabwirwa n'iki ko ikigo cyanjye gifite ikibazo cya voltage sag?

Ibimenyetso birimo ingendo z'ibikoresho zidasobanutse, guhagarara k'umurongo uhagarara neza, impanuka za mudasobwa, gucana amatara mugihe moteri itangiye, no kongera kubungabunga sisitemu yo kugenzura. Gukurikirana ubuziranenge bwimbaraga zitanga ibisubizo byuzuye mugutwara no kuranga sag ibyabaye mugihe. Niba ibikoresho byoroshye bigenda ariko ibizamini byamashanyarazi byerekana ko nta makosa, voltage sag ni nyirabayazana.

Imirasire y'izuba hamwe na sisitemu ya batiri ifasha cyangwa ikomeretsa ibibazo bya voltage sag?

Ikwirakwizwa ryibisekuru nkizuba birashobora gufasha no kubabaza bitewe nishyirwa mubikorwa. Niba gride - ihuza inverteri yateguwe kugirango igendere mumashanyarazi ya voltage kuri IEEE 1547, zirashobora gufasha gushyigikira voltage mugihe cya sags mugutera inshinge zidasanzwe. Ariko, inverter zishaje zitandukana mugihe cya sags zirashobora gukemura ikibazo mugukuraho ibisekuru neza mugihe bikenewe. Sisitemu yo kubika ingufu za bateri hamwe nubugenzuzi bukwiye irashobora kugabanya cyane sags mugutera imbaraga nyazo kandi zifatika mugihe cyibyabaye, ariko gusa iyo byateguwe kubwiyi ntego aho kuba imbaraga zoroheje zo gusubira inyuma.

Kuki bateri yanjye ya 48V eBike yerekana amafaranga ariko nta mbaraga?

Iki kibazo gisanzwe kiva kuri voltage sag muri48v ebike ya batirimugihe kinini cyo gushushanya. Batare irashobora kwerekana 45V iruhuka voltage (yerekana 30-40% yishyurwa), ariko munsi yumutwaro voltage igabanuka munsi yumucungamutungo wa 40-42V, bigatuma ihagarara. Kugabanya pedal ifasha urwego cyangwa kwemerera bateri kuruhuka muri make reka voltage ikire bihagije kugirango ukomeze kugenda.