Njengoko izakhiwo zorhwebo, izakhiwo zoshishino, iinkqubo zelanga ze-PV, kunye neeprojekthi zokugcina amandla ebhetri zisiya ziqhagamshelwa ngakumbi, idatha yamandla ethembekileyo iye yaba yinto ebalulekileyo ekuphuculeni ukusebenza kakuhle.

Nangona amaqonga e-cloud, iinethiwekhi ze-Ethernet, kunye nonxibelelwano olungenazingcingo ziqhubeka nokukhula,Iimitha zamandla ze-DIN rail RS485 kunye neModbusisesesinye sezisombululo ezisetyenziswa kakhulu ekujongeni amandla ngobuchwephesha.

Ukudibanisa kwabo ukufakelwa okusemgangathweni, unxibelelwano oluqinisekisiweyo lwemizi-mveliso, kunye nokuhambelana kweqonga elibanzi kubenza babe lukhetho olukhethwayo ngabadibanisi beenkqubo, abakhi beephaneli, abaphuhlisi be-EMS, kunye nabaphathi beziko.

Endaweni yokuba zisetyenziswe njengezixhobo zokulinganisa ezizimeleyo, zanamhlanjeIimitha zamandla ze-RS485ziye zaba yimithombo yedatha ebalulekileyo kwiinkqubo zolawulo lwamandla ezikrelekrele.

Kutheni iiMeter zamandla kaloliwe ze-DIN zihlala ziyindlela ekhethwayo

Ukufakelwa kwe-DIN rail kuye kwamkelwa kakhulu kwiinkqubo zombane zorhwebo nezemizi-mveliso kuba kubonelela ngendlela esemgangathweni yokufaka ngaphakathi kweepaneli zokusasaza umbane.

Xa kuthelekiswa nezixhobo ezinkulu ezifakwe kwiipaneli, iimitha zamandla kaloliwe ze-DIN zibonelela ngeenzuzo ezininzi ezisebenzayo:

• Ufakelo oluncinci olugcina indawo kwiphaneli
• Ukufakwa nokugcinwa ngokukhawuleza
• Ulwandiso olulula njengoko iimfuno zokubeka esweni zikhula
• Ukufakelwa rhoqo kwiikhabhathi zombane
• Ifanelekile kwiiprojekthi ezintsha kunye nezicelo zokulungisa izinto ezintsha

Ezi zibonelelo zenza iimitha zamandla kaloliwe ze-DIN zifaneleke ngakumbi kwizakhiwo zorhwebo, kwiifektri, kwiinkqubo ze-photovoltaic, kunye neziseko zophuhliso zamandla ezikrelekrele apho kufuneka khona amanqaku amaninzi okulinganisa.

Kutheni ii-RS485 Energy Meters ziqhubeka nokulawula iiprojekthi zorhwebo

Ukuthembeka konxibelelwano kudla ngokuba kubaluleke ngakumbi kunesantya sonxibelelwano kwiiprojekthi zobuchwephesha zokujonga amandla.

Yiyo loo ntoIimitha zamandla ze-RS485iyaqhubeka ichazwa ngokubanzi kwizicelo zorhwebo nezoshishino.

Inethiwekhi yonxibelelwano ye-RS485 ivumela iimitha zamandla ezininzi ukuba zitshintshiselane ngedatha kwiindlela ezinde zekhebula ngelixa zigcina ukusebenza okuzinzileyo kwiindawo ezinengxolo yombane.

Kumaqela obunjineli, oku kubonelela ngeenzuzo ezininzi ezisebenzayo:

• Unxibelelwano oluthembekileyo olukude
• Uthungelwano lwezixhobo ezininzi kwibhasi enye yonxibelelwano
• Ubunzima bentambo obuncitshisiweyo
• Ukuhambelana okubanzi nabalawuli bemizi-mveliso
• Uzinzo oluqinisekisiweyo lwexesha elide

Ezi mpawu zichaza isizathu sokuba i-RS485 isaqhubeka iyeyona ndlela ixhaphakileyo yokunxibelelana kwiinkqubo zokubeka esweni amandla, nangona iiteknoloji ezintsha zothungelwano zifumaneka.

Kutheni iiModbus Energy Meters zisengumgangatho weShishini

Izixhobo zonxibelelwano zodwa aziqinisekisi ukuba ziyasebenzisana.

Ukuze kutshintshiselwane ngedatha yamandla phakathi kwezixhobo ezahlukeneyo zabavelisi, iiprojekthi zikwafuna iprotokholi yonxibelelwano efanayo.

Kulapho keIimitha zamandla zeModbusbayaqhubeka nokudlala indima ebalulekileyo.

Ngenxa yokuba iModbus RTU ibixhaswa ngamaqonga olawulo lwamandla kangangeminyaka emininzi, iye yaba yenye yezona nkqubo zonxibelelwano lwezoshishino ezamkelweyo kakhulu zokulinganisa umbane.

Namhlanje, iimitha zamandla zeModbus zihlala zidityaniswa nezi:

• Iinkqubo zoLawulo lwaMandla (i-EMS)
• Iinkqubo zoLawulo lweZakhiwo (i-BMS)
• Abalawuli be-PLC
• Amaqonga e-SCADA
• Iinkqubo zokwenza izinto ngokuzenzekelayo kwimizi-mveliso
• Amaqonga okujonga ilanga

Kwabadibanisi beenkqubo, ukukhetha imitha ehambelana neModbus kwenza kube lula kakhulu ukuhlanganiswa kwesoftware ngelixa kunciphisa ixesha lokuqalisa.

I-RS485 vs iModbus: Ukuqonda Umahluko

Nangona la magama mabini ekhankanywa rhoqo kunye, achaza iinkalo ezahlukeneyo zonxibelelwano.

Kwiiprojekthi ezininzi,Imitha yamandla ye-RS485ibonelela ngezixhobo zonxibelelwano, ngelixaImitha yamandla yeModbusiqinisekisa ukuba idatha yokulinganisa inokutolikwa yi-EMS, i-BMS, okanye isoftware ye-SCADA.

Ukuqonda lo mahluko kunceda iinjineli zeprojekthi zikhethe izixhobo ezihambelanayo kwaye ziphephe iingxaki zokudibanisa.

Ukukhetha iMitha yamandla e-DIN Rail efanelekileyo kwiiprojekthi zobungcali

Ukukhetha imitha yamandla kaloliwe ye-DIN kubandakanya okungaphezulu kakhulu kunokukhetha phakathi kwe-RS485 okanye unxibelelwano lweModbus.

Iiprojekthi zokubeka esweni amandla orhwebo zihlala zineemfuno ezahlukeneyo ngokuxhomekeke kwisicelo, inkqubo yombane, kunye neqonga lokudibanisa. Ngaphambi kokukhetha, amaqela eprojekthi kufuneka ahlole ezi zinto zilandelayo.

Ukuhambelana kwenkqubo yombane

Into yokuqala ekufuneka iqwalaselwe luhlobo lwenkqubo yombane ejongwayo.

Imitha yamandla kaloliwe ye-DIN efanelekileyo kufuneka ixhase uqwalaselo olufunekayo, olufana noku:

• Iinkqubo zesigaba esinye
• Iinkqubo zesigaba esahlulweyo
• Iinkqubo zentambo ezine ezinezigaba ezintathu
• Iinkqubo zentambo ezintathu ezinamanqanaba amathathu

Ukukhetha imitha exhasa ulungelelwaniso oluninzi lombane kunokwenza lula ulawulo lwempahla kubasasazi kwaye kubonelele ngokuguquguquka okukhulu kubahlanganisi beenkqubo abasebenza kwiimarike ezahlukeneyo.

Amandla okulinganisa

Iiprojekthi zanamhlanje zokubeka esweni amandla zihlala zifuna okungaphezulu kokulinganisa okusisiseko kwe-kWh.

Khangela imitha ekwaziyo ukujonga:

• I-Voltage
• Okwangoku
• Amandla asebenzayo
• Amandla okuphendula
• Amandla abonakalayo
• Izihlandlo
• Into yamandla
• Amandla angeniswayo nathunyelwa kwamanye amazwe

Ezi parameters zinceda abaqhubi ukuba bahlole ukusebenza kwezixhobo, bachonge iimeko zokusebenza ezingaqhelekanga, kwaye baphucule ukusebenza kakuhle kwamandla ngokubanzi.

Ukuguquguquka konxibelelwano

Iimfuno zonxibelelwano zihlala zahluka phakathi kweeprojekthi.

NgelixaIimitha zamandla ze-RS485zihlala zixhaphakile kwiindawo zoshishino, iiprojekthi ezininzi zorhwebo zikwafuna uqhagamshelo lwe-Ethernet okanye olungenazingcingo ukuze kufikeleleke kude kwaye kudityaniswe nelifu.

Ukukhetha imitha exhasa iindlela ezininzi zonxibelelwano kunokunciphisa iindleko zokuphucula kwixesha elizayo kwaye kube lula ukusasazwa kuzo zonke iinkqubo ezahlukeneyo.

Iindlela zonxibelelwano eziqhelekileyo ziquka:

• I-RS485 (iModbus RTU)
• I-Ethernet (iModbus TCP)
• I-WiFi
• I-MQTT
• I-HTTP API

Ukuhambelana kweQonga

IngcaliImitha yamandla yeModbuskufuneka idibane ngokulula namaqonga esoftware akhoyo.

Iinjongo eziqhelekileyo zokudibanisa ziquka:

• Iinkqubo zoLawulo lwaMandla (i-EMS)
• Iinkqubo zoLawulo lweZakhiwo (i-BMS)
• Amaqonga e-SCADA
• Amaqonga okujonga ilanga
• Iinkqubo zokwenza izinto ngokuzenzekelayo kwimizi-mveliso
• Isoftware yolawulo lwamandla esekwe kwilifu

Ukukhetha iqonga lonxibelelwano elivulelekileyo kunokuphucula ukusebenzisana kwexesha elide ngelixa kuthintelwa ukuvalelwa kwabathengisi.

Izicelo eziqhelekileyo ze-DIN Rail RS485 kunye neeModbus Energy Meters

Ngenxa yokuguquguquka kwazo kunye nonxibelelwano oluqhelekileyo, iimitha zamandla kaloliwe ze-DIN zisetyenziswa kakhulu kumashishini amaninzi.

Izakhiwo zorhwebo

Jonga iinkqubo ze-HVAC, iisekethe zokukhanyisa, iilifti, kunye nemithwalo yombane yendawo eqhelekileyo ngelixa ubonelela ngokubonakala kwamandla aphakathi ngokusebenzisa iiplatifomu ze-BMS okanye ze-EMS.

Iinkqubo ze-PV zelanga

Linganisa amandla angeniswa kwamanye amazwe, amandla athunyelwa kwamanye amazwe, kunye nokusetyenziswa kombane kwindawo ukuze kuvavanywe ukusebenza kwelanga kunye nokuphucula ukusetyenziswa kwalo.

Iinkqubo zokugcina amandla ebhetri (i-BESS)

Nika idatha echanekileyo yamandla yokutshaja, ukukhupha ibhetri, kunye namaqhinga okucheba ibhetri alawulwa yi-EMS.

Ukwenziwa kweMizi-mveliso

Jonga izixhobo zemveliso, izixhobo zombane, iicompressor, iimpompo, kunye nezinye izinto ezinamandla aphezulu ukuphucula ukusebenza kakuhle.

Isiseko sokutshaja se-EV

Landelela ukusetyenziswa kwamandla kuzo zonke izikhululo zokutshaja ngelixa uxhasa ukubeka esweni kunye nokunika ingxelo kwiinethiwekhi zokutshaja zorhwebo.

Umzekelo: Imitha yamandla kaloliwe i-DIN yokubeka iliso kumandla akrelekrele

Njengomvelisi weemitha zamandla ezikrelekrele,U-OWONiphuhlisa izisombululo zokubeka esweni amandla ezenzelwe izakhiwo zorhwebo, izakhiwo zoshishino, iinkqubo zelanga ze-PV, kunye nezicelo zolawulo lwamandla.

Umzekelo, iU-OWONImitha yamandla ehlakaniphile ye-PC4713idibanisa ukufakwa kwe-DIN rail kunye nonxibelelwano oluguquguqukayo kunye nobuchule obuphambili bokujonga amandla.

Iimpawu eziphambili ziquka:

• Ixhasa iinkqubo zentambo ezintathu zesigaba esinye, isigaba esahlulweyo, isigaba sesithathu, kunye nesigaba sesithathu
• Ifumaneka njengeImitha yamandla ye-RS485kwiiprojekthi ezifuna unxibelelwano lwe-Modbus RTU
• Ifumaneka njenge-Ethernet evulweImitha yamandla yeModbusukuxhasa iModbus TCP yokubeka esweni amandla asekelwe kwinethiwekhi
• Ixhasa ukulinganiswa kwamandla ajikelezileyo ukuze kuveliswe amandla elanga kunye nokubeka esweni ukungeniswa/ukuthunyelwa kwegridi
• Ilinganisa i-voltage, i-current, i-frequency, i-power factor, i-active power, i-reactive power, kunye ne-expression power ngexesha langempela
• Yenzelwe ukudityaniswa ne-EMS, i-BMS, amaqonga okujonga ilanga, kunye neenkqubo zokwenza izinto ngokuzenzekelayo kwimizi-mveliso

Ezi zakhono zenza i-PC4713 ifaneleke ukujongwa kwamandla orhwebo, iiprojekthi ze-PV zelanga, iinkqubo zokugcina iibhetri, izakhiwo ezikrelekrele, kunye nokufakwa kolawulo lwamandla kwimizi-mveliso.

Imibuzo ebuzwa qho

Kutheni iimitha zamandla kaloliwe ze-DIN zisebenzisa i-RS485 rhoqo?

I-RS485 ibonelela ngonxibelelwano oluthembekileyo olukude kwaye ivumela izixhobo ezininzi ukuba zabelane ngebhasi yonxibelelwano efanayo, nto leyo eyenza ukuba ifaneleke kakuhle kwiinkqubo zokubeka esweni amandla orhwebo kunye noshishino.

Ingaba imitha yamandla yeModbus iyafana nemitha yamandla yeRS485?

Akunjalo ngqo. I-RS485 ibhekisa kunxibelelwano olubonakalayo, ngelixa i-Modbus RTU yiprotokholi yonxibelelwano esebenza rhoqo kwinethiwekhi ye-RS485. Iimitha zamandla ezininzi zobungcali zixhasa zombini.

Ngaba iimitha zamandla kaloliwe ze-DIN zingaqhagamshela kumaqonga e-EMS?

Ewe. Uninzi lweemitha zamandla zikaloliwe ze-DIN zobungcali zixhasa iModbus RTU, iModbus TCP, okanye ezinye iindlela zonxibelelwano lwemizi-mveliso ezisetyenziswa kakhulu ngamaqonga e-EMS kunye ne-BMS.

Ngaba imitha enye yamandla ingaxhasa zombini i-RS485 kunye ne-Ethernet?

Iimodeli ezininzi zanamhlanje zibonelela ngeendlela ezininzi zonxibelelwano, zivumela amaqela eprojekthi ukuba akhethe ujongano olufanelekileyo ngokusekelwe kuyilo lwawo lokubeka esweni kunye neemfuno zokudibanisa.

Ngaba iimitha zamandla kaloliwe ze-DIN zifanelekile ukujonga amandla elanga?

Ewe. Xa zixhotyiswe ngomlinganiselo wamandla ojikelezo olubini, iimitha zamandla zikaloliwe ze-DIN zinokujonga umbane ongeniswayo nothunyelwa kwamanye amazwe, nto leyo ezenze zilungele iinkqubo ze-PV zelanga, iiprojekthi zokugcina iibhetri, kunye nohlalutyo lokuzisebenzisa.

Isiphelo

Iimitha zamandla zikaloliwe ze-DIN ezixhotyiswe nge-RS485 kunye neModbus ziyaqhubeka nokudlala indima ebalulekileyo kwiinkqubo zanamhlanje zokujonga amandla.

Ukudibanisa kwazo ukufakelwa okusemgangathweni, unxibelelwano oluthembekileyo, kunye nokuhambelana kweqonga elibanzi kuzenza zilungele izakhiwo zorhwebo, izibonelelo zoshishino, iinkqubo ze-solar PV, kunye nezicelo zolawulo lwamandla.

Kwimibutho ecwangcisa iiprojekthi zokubeka esweni amandla anokwandiswa, ukukhetha imitha yamandla kaloliwe ye-DIN eneenketho zonxibelelwano eziguquguqukayo kunye nobuchule obupheleleyo bokulinganisa umbane kunokwenza kube lula ukuhlanganiswa ngelixa kubonelela ngesiseko esithembekileyo solawulo lwamandla lwexesha elide.

Ukufunda okunxulumene noko:

[Imitha yamandla elanga yee-Inverters, ii-EMS kunye neenkqubo zokugcina iibhetri]