I-Substation Battery Monitoring: Ukutholwa Kwephutha Ngaphambi kwesikhathi, Ukusebenza Okuphephile, kanye Nokuhlanganiswa Okulula

Iziteshi ezingaphansi zesimanje zincike ezinhlelweni zamabhethri e-DC ukuze zisebenzise ama-relay okuvikela, ama-circuit breaker, okokusebenza kwe-SCADA, izinhlelo zokuxhumana, nezibani eziphuthumayo ngesikhathi sokunqamuka kukagesi. Uma iseli elilodwa elibuthakathaka lehluleka, ukuthembeka kwayo yonke iyunithi yezinhlamvu yebhethri kungase kube sengozini.

Isistimu yokuqapha ibhethri yesiteshi esincane inikeza ukubonakala okuqhubekayo esimweni sebhethri. Ngokuqapha wonke amaseli neyunithi yebhethri ngesikhathi sangempela, izinsiza zingathola izimpawu zokuqala zokuwohloka, zinciphise ukuhlola mathupha, futhi zigweme ukuhluleka kwamandla okungalindelekile e-DC.

Kungani Kubalulekile Ukuqapha Ibhethri Lesiteshi Esingaphansi

Amabhethri esiteshi esingaphansi kwesinye isikhathi ahlala eshajwe ngokuntanta iminyaka eminingi. Ngalesi sikhathi, ukuguga, ukugqwala, ukuxhumana okuxekethile, izinkinga zokushaja, noshintsho lokushisa kungakhula ngaphandle kwezimpawu ezisobala.

Ukuhlola ngezikhathi ezithile kunikeza kuphela isifinyezo sesimo sebhethri. Uma kuqhathaniswa, ukuqapha kwebhethri yesiteshi esincane esiku-inthanethi sisebenza 24/7 futhi sihlonza izinguquko ezingavamile ngaphambi kokuba zithinte okokusebenza okubalulekile.

Ukuqapha okuqhubekayo kusiza izinsiza:

• Thola amaseli abuthakathaka noma awohlokayo kusenesikhathi
• Vimbela ukuhluleka kokudluliswa kokuvikela kanye nokuhluleka kwe-circuit breaker
• Yehlisa umsebenzi wokuhlola owenziwe ngesandla
• Thuthukisa ukuphepha kwabasebenzi kanye nemishini
• Sekela ukugcinwa kwebhethri okusekelwe esimweni
• Khulisa ukwethembeka kwesistimu yesiteshi esincane se-DC

Izingozi Ezivamile Ku-Unmonitored DC Battery Systems

Ukwehluleka kwebhethri kuvamise ukukhula kancane kancane kunokuthi kwenzeke ngaphandle kwesixwayiso. ethembekile Isistimu yokuqapha ibhethri ye-DC ingakwazi ukuhlonza eziningi zalezi zinkinga nge-voltage, ukumelana, izinga lokushisa, kanye nezitayela zamanje.

Izingozi ezijwayelekile zihlanganisa:

• Ibhethri ukuguga nokulahlekelwa umthamo
• Ukwanda kokumelana kwangaphakathi
• Ukungalingani kwamandla kagesi
• Izixhumanisi zetheminali ezixegayo noma ezigqwalile
• Izinga lokushisa lebhethri elingavamile
• Okungavamile kweshaja noma ukuntanta kwamanje
• I-Ripple current kanye nokungalingani kweyunithi yezinhlamvu

Ngaphandle kokuqapha okuqhubekayo, lezi zimo zingahlala zifihliwe kuze kube yilapho ibhethri lidingeka ngesikhathi esiphuthumayo.

I-Ni-Cd ne-VRLA Battery Monitoring

Iziteshi zikagesi ngokuvamile zisebenzisa i-Nickel-Cadmium (Ni-Cd), i-Valve-Regulated Lead-Acid (VRLA), noma amabhethri e-lead-acid agcwele amanzi. Ikhemistri ngayinye idinga isu elifanele lokuqapha.

I-Ni-Cd Battery Monitoring

Ukuqapha ibhethri le-Ni-Cd kufanele kugxile ku-voltage yeseli ngayinye, isimo sokushaja, izinga lokushisa, amathrendi okuguga ahlobene ne-electrolyte, kanye nokusebenza kwentambo. Ngenxa yokuthi izinguquko zokumelana nangaphakathi zingase zingabizi kakhulu kunamabhethri e-VRLA, i-voltage yesikhathi eside namathrendi wokushaja abaluleke kakhulu.

Ukuqapha Ibhethri le-VRLA

Ukuqapha ibhethri le-VRLA ngokuvamile kugxile ku-voltage yeselula, ukumelana nangaphakathi, izinga lokushisa, ukushaja kwamandla, kanye nokuncipha kwamandla. Umkhuba okhulayo wokumelana nangaphakathi unganikeza isexwayiso sangaphambi kwesikhathi sokuguga kwebhethri kanye nekhono elincishisiwe lokwenza isipele.

Isixazululo sokuqapha ibhethri lesiteshi esingaphansi esivumelana nezimo kufanele sisekele amabhethri e-Ni-Cd, VRLA, VLA, ne-lithium endaweni eyodwa.

Yini okufanele Ikalwe Ibhethri Lesiteshi Esingaphansi?

Isistimu esebenzayo kufanele igade womabili amaseli angawodwana kanye neyunithi yezinhlamvu yebhethri ephelele. Imingcele ebaluleke kakhulu ihlanganisa okulandelayo.

Amandla kagesi

Ukuqapha okuqhubekayo kwamandla kagesi weseli kuthola amaseli abuthakathaka, ukushajwa ngokweqile, ukushajwa okungaphansi, nokungalingani kwamandla kagesi. Ngisho nokuchezuka okuncane kungabonisa iphutha elikhulayo.

Izinga Lokushisa Lebhethri

Izinga lokushisa eliphezulu lisheshisa ukuguga kwebhethri, kuyilapho izinga lokushisa elingalingani lingabonisa ukungena komoya okuncane, izinkinga zokushaja, noma amaseli akhubazekile. Ama-alamu okushisa esikhathi sangempela asiza ukuvimbela umonakalo oshisayo.

Ukumelana Kwangaphakathi

Ukumelana kwangaphakathi kungenye yezinkomba eziwusizo kakhulu zokuwohloka kwebhethri. Ukuqapha okuthrendayo kungaveza ukuguga isikhathi eside ngaphambi kokuthi ukulahleka kwamandla kubonakale ngesikhathi sokuhlolwa kokukhishwa.

I-String Voltage futhi Yamanje

I-voltage yeyunithi yezinhlamvu, i-float current, i-charge/charge current, kanye ne-ripple current ihlinzeka ngolwazi olubalulekile mayelana nokusebenza kweshaja kanye nesimo sebhethri.

Isimo Setheminali kanye Nokuxhumana

Amatheminali axegayo noma agqwalile angabangela ukwehla kwamandla kagesi kanye nokushisisa kwendawo. Ukuthola ukumelana nokuxhumeka okungavamile kuvumela amaqembu okulungisa ukuthi alungise lezi zinkinga ngaphambi kokuba zibe izingozi zokuphepha.

Ukuhlanganiswa ne-SCADA kanye ne-Substation Automation

Izinsiza zivame ukudinga idatha yebhethri ukuthi itholakale nge-SCADA, EMS, DCS, noma izinkundla zokuphatha inethiwekhi. Ngakho-ke isistimu yesimanje yokuqapha ibhethri yezinsiza kufanele isekele izimiso ezijwayelekile zokuxhumana zezimboni.

Izinketho ezijwayelekile zokuhlanganisa zihlanganisa:

• I-Modbus RTU
• I-Modbus TCP/IP
• I-SNMP
• I-IEC 61850
• I-REST API

Ukuqapha kwebhethri kwe-IEC 61850 kubaluleke kakhulu eziteshini zedijithali ngoba kwenza ukuxhumana kube lula ngamadivayisi kagesi ahlakaniphile kanye nezinhlelo ezishintshayo zesiteshi.

Ukucatshangelwa Okubalulekile Kokuthunyelwa Kwesistimu

Ngaphambi kokukhetha uhlelo lokuqapha ibhethri lesiteshi esincane, onjiniyela kufanele baqinisekise imininingwane elandelayo yephrojekthi:

• Ikhemikhali yebhethri kanye ne-voltage yeseli yegama
• Inombolo yamaseli nezintambo zebhethri
• Ishaja nokulungiselelwa kwesistimu ye-DC
• Amapharamitha okuqapha adingekayo
• RS485, Ethernet, fibre, noma ukutholakala kokuxhumana kwe-4G
• Izidingo zokuhlanganisa ze-SCADA, EMS, DCS, noma i-IEC 61850
• Indawo yokufaka yasendlini noma yangaphandle
• I-imeyili, i-SMS, nezidingo ze-alamu yesikhulumi

Izinzwa zokuqapha kufanele zifakwe ngaphandle kokuphazamisa ukusebenza kwebhethri okuvamile noma nini lapho kunokwenzeka. Umzila wekhebula, ukwahlukanisa, ukuhambisana kwe-electromagnetic, kanye nezinqubo zokuphepha zikagesi nazo kufanele zibhekwe.

Ama-alamu ahlakaniphile kanye nokugcinwa kokuqagela

Isistimu yobungcweti kufanele ihlinzeke ngedatha engaphezu kweyodwa. Ama-alamu anamazinga amaningi, amathrendi omlando, nemibiko ezenzakalelayo isiza onjiniyela baqonde ukuthi yiliphi iseli elingavamile, ukuthi liwohloka ngokushesha kangakanani, futhi lapho kudingeka ukulungiswa.

Imisebenzi ewusizo ihlanganisa:

• Ama-alamu weselula wesikhathi sangempela neyunithi yezinhlamvu
• Ukuhlaziywa kwe-voltage, izinga lokushisa, nokumelana nenkambiso
• Ukuhlonza iseli elibuthakathaka
• Izifinyezo zezempilo yebhethri
• Umlando we-alamu nemibiko yokulungisa
• Ukuphathwa kwezindawo eziningi okukude

Lokhu kuvumela izinsiza ukuthi zisuke ekushintsheni okuhleliwe ziye ekulungiseni okusekelwe esimweni, kunciphisa ukuvakasha kwesayithi okungadingekile kanye nezindleko zokushintshwa kwebhethri.

Isixazululo Sokuqapha Ibhethri Lesiteshi Esesingaphansi se-DFUN

I-DFUN ihlinzeka ngesixazululo esiphelele sokuqapha ibhethri lesiteshi esincane seziteshi zikagesi, amanethiwekhi okudlulisa nokusabalalisa, izimboni zikagesi, izinsiza zezimboni, nezinsiza zamandla avuselelekayo.

Isixazululo se-DFUN sisekela:

• Ukuqapha kwesikhathi sangempela kwamaseli ebhethri ngamanye
• Isilinganiso sokumelana ne-inthanethi sangaphakathi
• Ukuqapha izinga lokushisa kwebhethri ne-ambient
• I-voltage yezintambo nokuqapha kwamanje
• Ama-alamu ahlakaniphile nokuhlaziywa kwethrendi komlando
• Ukuphathwa okusekelwe kuwebhu okukude
• Ukuhlanganiswa kwe-SCADA, Modbus, SNMP, kanye ne-IEC 61850
• I-Ni-Cd, i-VRLA, i-VLA, nokusekelwa kwebhethri ye-lithium

Ukuthi uthuthukisa ukufakwa okukhona noma ukuklama isiteshi esincane esisha, i-DFUN isiza izinsiza zihlonze ubungozi bebhethri kusenesikhathi, zehlise izindleko zokulungisa, futhi zithuthukise ukwethembeka kwamandla ekhophi yasenqolobaneni.

imibuzo ejwayelekile ukubuzwa

Ingabe isistimu yokuqapha ibhethri ingafakwa ngaphandle kokuvala isiteshi esincane?

Kumaphrojekthi amaningi, uhlelo lokuqapha lungafakwa kuyilapho kunciphisa ukuphazamiseka kokusebenza okukhona. Uhlelo lokufaka kufanele lulandele izinqubo zokuphepha zikagesi eziqondene nendawo ethile.

Ingabe isistimu eyodwa ingaqapha womabili amabhethri e-Ni-Cd ne-VRLA?

Yebo. Inkundla yokuqapha ibhethri ephrofeshinali ingasekela amakhemistri amabhethri amaningi, okuhlanganisa i-Ni-Cd, VRLA, VLA, namabhethri e-lithium.

Ingabe ukuqapha kwebhethri ku-inthanethi kuthatha indawo yokuhlola umthamo?

Cha. Ukuqapha ku-inthanethi kunikeza isexwayiso sangaphambi kwesikhathi esiqhubekayo, kuyilapho ukuhlolwa kwamandla ngezikhathi ezithile kuqinisekisa umthamo wangempela wokusekela kanye nesikhathi sokusebenza. Ukusebenzisa kokubili kunikeza ulwazi oluphelele lwempilo yebhethri.

Isistimu iwanciphisa kanjani ama-alamu angamanga?

Imikhawulo elungisekayo, ukubambezeleka kwe-alamu, izexwayiso zamaleveli amaningi, nokuhlaziywa kwethrendi kusiza ukuhlukanisa ukuwohloka kwangempela nokuguquguquka kwesikhashana.

Cela Isiphakamiso Sokuqapha Ibhethri Lesiteshi Esingaphansi

Ukuncoma isisombululo esifanele, sicela unikeze uhlobo lwebhethri, i-voltage yeselula, inombolo yamaseli neyunithi yezinhlamvu, indlela yokuxhumana, i-SCADA ekhona noma iplathifomu ezenzakalelayo, izidingo ze-alamu, nendawo yokufaka.

Xhumana ne-DFUN ukuze uxoxe ngephrojekthi yakho futhi uthole isiphakamiso sesistimu yokuqapha ibhethri lesiteshi esincane.