Ukudesigna amathuba okuphakamisa ivolthi kwe-PV kunye nokugcina imithuba yokuqala: Ukuphatha ukuvulwa kwezimilo zokuphakama, ukuthwasa kwezinye izinto, kunye nokuhlola

Ukuthwala kwezinsuku zokuphakamisa kwezinkulungwane zokugenera (PV) nokusakazwa kwemithombo yomthelela wokugcina amandla (BESS) kuyabuyeza indlela lezinkulungwane zokubuyela kumakhonkothi wezindawo zokuhambisa amandla.

Kungasukela kwezinkulungwane zokuzisa ezizayo eziphakamisa ukuthumela amandla angenerwayo kuphela, izikhungo zesolar-PV-BESS zinokusebenza ngemiphakathi emibili: ukuthumela amandla esolar, ukugcina izibanki kusuka kumakhonkothi noma kwezinkulungwane zokuzisa, ukuthumela amandla angciniwe, nokunikeza iziservice zokuvumela umkhonkothi.

Lezi zimbono zokusebenza ezingahleli ziyenjula izimali zokufunda kwe- isibonelo se-PV sokukhula kanye nezitransefomha zayo.

I- transformer yokuthumela amandla ngendlela eyodwa noma ebalulekile efundwe ngendlela efanele kufanele ibe nemiphakathi yezilungiselelo zokusebenza, ibe nemiphakathi yezilungiselelo zokugcina isikhathi sokusebenza, ibe nemiphakathi yezilungiselelo zokugcina isikhathi sokusebenza, ibe nemiphakathi yezilungiselelo zokugcina isikhathi sokusebenza, futhi ibe nemiphakathi yezilungiselelo zokugcina isikhathi sokusebenza.

Kubasebenzi bokuthenga kwezinkulungwane zokuzisa, abasebenzi bekugcina amandla, abasebenzi bemakhonkothi, nabasebenzi bokuthenga kwezindawo zokusebenza, ukukhetha izitransefomha kuyindlela enkulu yokuvikela imisebenzi yeprojekthi nokuphatha izimali zokusebenza kwezinsuku zokusebenza.

Leleli lethu liqondisa izinkinga zokugcina, ukuthwasa nokulondoloza kwe-PV ne-BESS futhi liqiniseka indlela yokubhala isithembiso sokuthi i-step-up transformer esihle kakhulu kubaprojekthi bakwezindawo zokuphatha izindlela zokuthenga izimilo zokusebenza.

1. Ukuziqonda i-PV-BESS Hybrid Power Systems

1.1 Indlela Yokuguqula Ukuthenga Kwezindlela Zokuthenga Ngokusebenzisa I-Solar-Plus-Storage

Kwizikhundla zokugcina zokuthenga kwe-grid ezisemthethweni, izinverta zokuthenga ziyagcina i-DC electricity kusuka kwezimodhuli zokuthenga ku-AC electricity.

I-step-up transformer iyagcina i-voltage yokuqala yezinverta ku-level yezindlela zokuthenga zokuthengiswa phakathi, njenge-10 kV, 20 kV, noma 35 kV.

Ukuthenga kuyadlula ngokuvamile kusuka kwezinkambo zokuthenga kusukela kusuka kwezindlela zokuthenga okuhlanganisa noma kwi-grid yomkhakha, nakuba izimali zokusebenza nezimo zokusebenza ezingaphansi zingabangela ukudlula okungaphansi kwezinye izikhundla.

Lapha kufakwa ukuthenga kwe-battery energy storage, i-architecture yekheshini yasemthethweni ibuyela engeziwe.

Isikhundla sokuthenga sokuqasha kwe-PV-BESS singasebenza ngemiphumela eminingi:

Isikhundla Sokusebenza	Ukudlula Kwesithembiso	Ukuchaza kwe-Transformer
Ukugenerate kwe-sola	Inverter ye-PV → Transformer → Grid	Ukugcina ukugenerate kahle
Ukuchargea i-battery kusuka ku-grid	Igrid → Itransformer → BESS PCS	Ukubuyiselwa kwezimali zokusebenza ngokuzimisa
Ukukhishwa kwesibanki	BESS PCS → Itransformer → Igrid	Ukuhlanganiswa kwezimali nokusebenza kwezithafula
Ukukhishwa kwe-solar ne-BESS	PV + BESS → Itransformer → Igrid	Isiphumo esiphelele sokugcina
Ukuthuthukisa i-grid	Ukubuyiselwa kwezimali zokusebenza/zokuphatha ngokuzimisa	Ukuthintana kwezinkinga zokulungisa i-voltage nokuhlinzekwa
Isimo sokuzimela	Ukuthumela okuncane kwezimali zokusebenza	Izindlela zokugcina ngaphandle kokusebenza nokunquma kwemithombo yezindlela zokusebenza

Kwiziqondiso zokuxhuma kwe-AC, izinverter zesi-photovoltaic nezinqumo zokuguqula amandla we-battery (PCS) kungazixhuma kwenethiwekhi yokuqatha kwe-AC eyodwa.

Kungasebenziswe i-transformer yebhanki yamadoda, i-transformer yokuqonda eyisodwa, noma iziqondiso zemithombo yamathransfomu ngokuphathelene nesivinini sesiqondiso nokubhekisele kwezinhlobo zokusebenza kwemithombo.

1.2 Kungani Ukuxhuma Kwamandla Ngobudlela Obabili Kubalulekile

I-transformer enguqukile ayisisekelo esingakwazi ukuthumela amandla e-AC ngobudlela obabili, uma kubhekiswa i-voltage, i-current, ukulinganisa kwe-insulation, ukulinganisa kwe-thermal, nokuhlinzekwa.

Ngakho, ukuxhuma kwamandla ngobudlela obabili akahlanganisi isilinganiso esisha sokuqondisa i-transformer ngokwemikhono .

Ukuchaza kwe-engineering kuyasuswa kubizo zokusebenza okuhambisana nezinqumo zokuxhuma kwe-solar nezinqumo zokugcina amandla.

Leli kungabikwa ku:

• Ukuguqula okuphinda-phindayo phakathi kwe-charging ne-discharging.

• Ukubika okuhlukahlukene ngalendlela yomuso wenyanga.

• Amadoda amanquma avela kwe-inverter.

• Ukubika kwe-reactive power.

• Ukubika kwe-DC current okungabikwa.

• Izinkinga zokufa ezihlukahlukene ngemimiselo yokuqonda.

• Ukuguqula kwe-voltage phakathi kwenethiwekhi yokubika.

• Imizuzu emide yokusebenza ngokwesandla.

I-photovoltaic step-up transformer kufanele ibheke kule mizamo yokuqonda njengoko kuyisisekelo, akayi kuphela ukusuka kwe-power-flow direction.

2. Imiphumela Yokugcina Kwezinkinga Zokugcina Nokuloada Ku- Amatransformer Okuphakamisa Ukugcina Kwesithombe

2.1 Ukugcina Kwesikhathi Sokuchatha Nokuthatha

Ukugcina kuyisibonelo esikhulu sokuzilonda xa kusukwana ukuthi yini le- Imatransformer okuphakamisa ukugcina kwesithombe .

Umbala wokugcina kwezindawo zokuchatha nezilayili zokugcina kubhekene ngokuphelele nesilinganiso sezindlela zokugcina, izimo zokugcina, umbala wokugcina kwesikhathi, nokuzilonda kweminyaka yezindlela zokuloada.

Isithombe sokugcina singasolwa ngamaphuzu amaningi noma amashumi amabili amaningi ngomzuzu omunye.

Isibonelo, isithombe sokugcina singachatha ngokuphakama kokuchatha kwesithombe sokuchatha, singathatha ngokuphakama kokuthatha kwesikhathi sokuthatha, futhi singathola izinkampani zokusebenza kwe-grid ngamaphuzu amaningi.

Nakuba ukuguqula umendo wokuloada akahleli ukuthi kwenza ukugcina okungaphezu kwe-RMS current, ukuguqula kahleli umbala wokuloada kungahleli ukuthi kwenze ukugcina nokugcina kahleli ngamaphuzu amaningi.

Lezi ziququ zingahleli ukuthi zihlangele:

• Ukuthempa kwezindawo eziphakeme kwe-temperature.

• Isivinini sesikhathi sokuphela kwesinsila.

• Ukuhambana nokukhupha kwezindawo zokugcina.

• Ukubhekiswa kwezindawo zokugcina zemithambo ngokwesibonelo sokusebenza.

• Isimo sezinkampani zokushisa nezinsila ngokuphakeme.

Ngakho, ukuguqula kwezindawo zokushisa kuyiphendula ngokuphakeme kwezindawo zokusebenza nokuthempa kwezindawo zokushisa zomkhulu.

Ngakho, ukubala kwezindawo zokusebenza kufanele kubhekise isimo sokusebenza sonke, akubhekisi kuphela isilinganiso sokusebenza kwe-PCS.

2.2 Ukubheka Ukuthempa Kwezindawo Zokushisa

Ukuphela kwezinsila kumkhulu kuyiphendula ngokuphakeme kwezindawo zokushisa zemithambo.

Kumakhulu okushisayo ngokwesilungu, ukuthempa kwezindawo zokushisa kungabhalwa njengoko landelayo:

θH = θA + ΔθTO + ΔθH

Lapho:

• θH: Ukuthempa kwezindawo eziphakeme kwe-temperature.

• θA: Ukubhala kwezinsuku zokuphakama.

• δθTO: Ukuphakama kwesikhathi sokuphakama kwezinsuku zokuphakama kusuka emva kwezinsuku zokuphakama.

• δθH: Ukuphakama kwezinsuku zokuphakama kwezinsuku zokuphakama kusuka emva kwezinsuku zokuphakama kwezinsuku zokuphakama.

Ukuphakama kwezinsuku zokuphakama kuyaphinda ngokuphakama, ukuphakama kwezinsuku zokuphakama, isimo sokuphakama kwezinsuku zokuphakama, nokuphakama kwezinsuku zokuphakama.

Abaprofesi yezibalo baya kubhekisa ukuphakama ngokusebenzisa izindlela ezihlukene njenge-IEEE C57.91 noma IEC 60076-7, ngokujulile kwezindlela zokusebenza.

Kukhetha isikhombisa sokusebenza kwezinsuku zokufaka kwe-BESS, kungasebenza ukubonisa izinkinga zokuchitha okungabonakali kusikhalipho sokufaka isikhundla esisodwa.

2.3 Ukufaka Kwesikhundla se-DC nokufaka kwesikhundla sokuphakamisa

Amaphrojekthi wezindlela zokusebenza kwezimali angase kufaka amaphuzu amancane ase-DC kumiphumo yabo ya-AC ngemizamo ethile.

Ukufaka kwe-DC okuningi kungase kwenza ubukhulu bokuphakamisa kwe-core yamaphrojekthi, okungase kube nesiphumo sokuthi:

• Ukuphakama kwezimboni zokuphakamisa.

• Ukuphakamisa kwe-core.

• Amaphuzu amaningi okuchitha.

• Ukuchitha kwezindawo ezithile.

• Ukuphakama kwezivinini zokushaya.

• Ukushaya okungasemthwakathini.

Kodwa, i-inverters eziqondile zokuxhumana ne-grid nezinkampani ze-PCS ziyasebenzisa izinqumo nezinhlangano zokulawula nokulondoloza okuzimele ukulimita ukungena kwe-DC.

Ukungena kwe-DC kufanele kubhekwa njengezinkinga zokuhle kwezimali zomsebenzi nokuphatha kwezinkampani, akukho mbono wokuthi kuyinto ekungafihliki ngokwenza umsebenzi wokubuyela emuva.

Abasalela i-transformer kufanele baphinde bafuna imilimiti yokungena kwe-DC yezinkampani ze-PCS uma bavumela ukuthi kuyasebenza kahle.

3. Ukungena kwe-harmonic nokuthi TRANSFORMER Izilwana kwezinhlangano ze-PV-BESS

3.1 Kungani Amaphutha Okusebenza Kwemithambo Yezindiza Ayisisekelo

Amaphutha okusebenza kwemithambo yezindiza nezinkampani zokugcina amandla akhuseleka ngokusebenzisa izinkampani zokuguqula nokubhekisele kwezindlela zokusebenza ukuguqula imvelo yamandla.

Lezi ziguqulo zingathatha izinkampani zezindiza zokuguqula.

Ngokwesilinganiso sezinhlobo zokuguqula, ifrekhwensi yokuguqula, indlela yokubhekisa, nokugcina, izinkampani ezihambisana zingahlanganisa izinkampani zezindiza zoku-5, zoku-7, zoku-11, nezoku-13, njengoba nezinkampani zezindiza zokuphakama kakhulu.

Isispectrum sasebenzi sokuhambisana kufanele sitholwe ku-mfr. wezinkampani yezinto zokusebenza noma kusikole esihle sesiqinisekisa ubukhulu bokusebenza kwesikhathi.

Amadoda amahle okuhambisana angakwazi ukongeza:

• Amadoda amahle okuhambisana kwezindawo zokugqibela.

• Amadoda amahle okuhambisana kwezinqakathelo zokubeka izinto.

• Ukuhamba kwemithombo yezindlela yokuphatha.

• Ukuhamba kwesikhathi sokuthi isikhathi sokusebenza kwe-transformer.

• Ukuhamba kwesikhathi sokuthi isikhathi sokusebenza kwezinhlobo zokuhambisana kwezinhlobo zokusebenza.

Ngoba amadoda amahle okuhambisana kwezindawo zokugqibela kuyisikhathi sokuhambisana, ukubheka kuphela isikhathi sokuhambisana sokufundisa isikhathi sokuhambisana singasiza ekubhekeni kwezindawo zokugqibela.

3.2 Izi-transformer zesi-BESS zidinga ukuthi zibe nezimfundo ze-K-Factor?

I-K-factor iyasebenzisa ngokuvamile ukuchaza ubukhulu bokuqonda kwe-transformer ukuthi kuzokwazi ukuthi kubhekiswe kwezinhlobo zokusebenza ezingavamile, ikakhulukazi kwezinhlobo zokusebenza zesi-dry-type transformer.

Kodwa ukukhetha isilinganiso soku-K-4, soku-K-9, noma soku-K-13 ngokuzimayela asiyisilinganiso esifanele ku-mvili yezindiza zokuhlanza kwezinkampani zokugcina amandla nezinkampani zokugcina amandla zokuphakama kwezinkampani zokugcina amandla.

Ku-mvili yezinkampani zokugcina amandla zokuphakama, indlela eyinkimbinkimbi yokusebenza iyisilinganiso sokubheka isilinganiso sezinkampani zezindiza nezinkampani zokugcina amandla zokuphakama.

IEEE C57.110 inikeza izindlela ezihambisana nokubheka ubukhulu bezinkampani zokugcina amandla ngokwesilinganiso sezinkampani zezindiza zokuphakama kwezinkampani zokugcina amandla.

Izindlela zokusebenza eziphakanyisiwe zihlanganisa:

1. Fumana i-data yamaphepha amahle we-PV inverter ne-BESS PCS.

2. Bhala isimo sokusebenza esisikhangeli kubili imifanekiso yokufaka nokukhipha.

3. Bala amaphetha okuphakama kwe-winding ne-amaphetha okungafani noma kuyisikhundla sokuthi.

4. Qiniseka ukuphakama kwesikhathi sokuphakama kwe-winding nokuloadwa kwe-insulation.

5. Determine uma kudingeka ukwakha kwe-winding okuhlukeneyo, ukuchitha okunye, noma ukunciphisa ukusebenza.

Le ndlela yokusebenzisa iyindlela eyayisibonelo esihlukeneyo ekusindisweni kokungafanele kwe-transformer ngokwesibonelo futhi ekusindisweni kokusebenza kwezinsuku eziningi.

3.3 Ukuncisha Ukuphakanyiswa Kwemithambo Yokuqondana

Kusukela kubizo bokuvumela kwe-inverter nokufuna kweprojekthi, izinketho zokuphatha izitsha zingahlanganisa:

• Ukuphatha okuhle kwemithambo yezitsha.

• Ukuphatha okuhle kwezitsha noma ukuphatha kwezitsha.

• Ukuphakanyiswa kokuphakanyiswa kwezinye izindawo.

• Ukuphakanyiswa kwezindawo zokuchitha.

• Ukubala kwezindlela zokuphakanyiswa ngokwesikhathi sokuphakanyiswa.

• Ukuchitha kwezindlela zokuphakanyiswa ngokwesikhathi sokuphakanyiswa noma ngokwesikhathi sokuphakanyiswa.

Ukuchitha kwezindlela zokuphakanyiswa kuyizindlela zokuphatha kwezindawo ezinconywa ngokuphakanyiswa kwe-PCS, umsebenzisi wokuphatha kwe-EPC, nokuphatha kwezindawo zokuxhumana ne-grid.

Ukuphatha kwezitsha akakwazi ukuziphatha zonke izindlela zokuphakanyiswa kwezindawo zokuphakanyiswa kwezindawo zokuphakanyiswa.

4. Ukuvumela Kwesikhundla Somthwalo Nokukhetha Kwesikhundla Somthwalo Sokubambisana Kwemithwalo Yomkhakha

4.1 Ukuphakama Kwesikhundla Nokuphepha Kwesikhundla Emasimini Eziphakanyayo

Isikhundla somthwalo setransformer siphendula kusukela kwezinkulungwane zomthwalo wokusebenza nokwakhiwa, isikhundla somthwalo setransformer, nokuthi yini imithwalo yekhanda elihlanganisiwe.

Ngokugcina kwe-PV noma ngokugcina kwe-BESS, umthwalo wokuhamba kungabangela ukuphakama kwesikhundla emaphakathini amaningi.

Ngokugcina kwe-grid, umthwalo owodwa kungabangela ukuphepha kwesikhundla.

Kodwa, isikhundla sokuphakama esinye siphendula kakhulu kumthwalo wokwakhiwa, isikhundla somthwalo sesistimu, ukuvumela kwesikhundla kusuka emuva, nokuthi yini imithwalo yekhanda.

Emasimini eziphakanyayo ezi-PV-BESS, ukuvumela kwesikhundla kufanele kubambisane phakathi kwe-inverter, transformer, nekhanda lokugcina kwe-grid.

4.2 Izikhundla Zomthwalo Zokugcina Ngaphandle Kokugcina Nokugcina Ngaphakathi Kokugcina

Izikhundla ezimbili zokugcina zisetyenziswa emasimini etransformer.

Isikhundla Somthwalo Sokugcina Ngaphandle Kokugcina (DETC)

Ukuguqula ukugcina okungasebenzi kusiza ukuguqula indlela yokugcina yomkhakha kuphela lapho umkhakha uyasebenza ngokuphelele ngokuzimisa ngokwesibonelo sesikhombisa umthengisi.

Izilungiselelo zivela ku:

• Ukubalwa okuphelele kwezinto ezisodwa.

• Ukuthenga okuphelele okuncane.

• Ukuncane kwezinkinga zokusebenza kwemithambo.

• Kuyasebenza kangangokuthi izinkinga zokusebenza kwezivoltage ziyatholakala ngezinye izinkampani.

Ukuguqula Ukugcina Ngokusebenza (OLTC)

U-OLTC usiza ukuguqula ukugcina ngokusebenza kakhulu ngaphandle kokuthi umkhakha ugcine ngokusebenza futhi ugcine isibalo sokusebenza, ngokwesibonelo senkampani nokusebenza kwayo.

Izinhlangano zika-OLTC zingasebenza lapho izinkinga zokusebenza kwezivoltage ziyatholakala ngokuthi kufuneka ukuguqula indlela yokugcina yomkhakha ngokusebenza.

Kodwa, i-OLTC ayikho ngokuzenzakalela kuphela ngoba i-BESS iyasebenza ngokushesha futhi iyagcina ngokushesha.

Izinhlaka zokusebenza kahle zezinkampani zingasiza ukudluliswa kwezivoltage nezivoltage zokusebenza ngokwesibonelo sakho futhi ngokwesibonelo sesikhombisa umthengisi.

Ukuthatha izikhathi eziningi kungabika imithwalo eyodwa yokusebenzisa.

Ukuthembisa kwe-engineering: Buyela ukuthi inverter i-Volt-VAR iyasebenza njani, ukulawula kwenethiwekhi yemidli yamaphakathi, imithwalo yokuxhuma kwenethiwekhi, nokufaneleka kwezikhathi zokuthatha ukuthi ziyasebenza ngaphansi kokukhetha izinkampani zezinhloko zokuphakama ngokwesibonelo.

5. Ukukhetha isibonelo sokusuka kwe-Photovoltaic Step-Up Substation

5.1 Izinhloko zokuphakama zokusuka kwe-PV-BESS eziqondiswe

Aisibonelo se-PV sokukhula zihlanganisa izinkampani zokusebenza okudingekayo ukuxhuma izinkampani zokusebenza kwemvelo emphakathini yamaphakathi yamaphakathi.

Ngokwesilinganiso sakho, isibonelo esiqondiswe singaqondisa:

• Isibonelo sokuphakama sokudlala.

• Isibonelo sokusebenza kwe-midli yamaphakathi noma isibonelo sokusebenza kwe-ring main unit (RMU).

• Isibonelo sokusebenza kwe-low-voltage incoming.

• Amathuba okuhlinzeka nokulawula.

• Izinkampani zokubhala izinombolo.

• Ukuvikela phakathi kwezinye izinhlayo.

• Amathuba amaningi okwesikhundla.

• Amaphuzu okukhangela nokubhakha izihlanganisi.

Isivumelwano esihlanganisiwe sikhungahle isiphetho sezinto ezisemthwakathini futhi sibhekise indlela yokubhala izithombe.

Izindlela zokuphumeza kuzoba yizindlela zokugcina isikhundla, izihlanganisi zokufabrikha, ukuphutha kwezithombe zokusebenza, nokuhlaka kokubhala izilayisi zokufaka.

Kodwa-ke, isikhungahle sokufaka kusobala ngamakhanda okwesikhundla, ukuvumela kwezindawo, ukukhangela kwesikhundla, nokuphakamisa kwezinhlayo zokwakha.

5.2 Isivumelwano Sesikhundla Noma Isivumelwano Sezinto Ezihlanganisiwe

Izinto ozifuna ukuzibona uma uyakhetha	Isikhundla Sokuphakama	Ukugcina Kwemithombo Yezinto Zokusebenza Ngokwezinye
Ukugcina kwemithombo yezinto zokusebenza	Isipakethi esisikhiwe ngendawo yokuphatha	Izithuthi zokuguqula nezithuthi zokuvavanya zihlukaniswe
Indawo yokuphatha	Kungase kube yindlela engeziwe	Iyaphendula kumahlaka wokugcina kwemithombo
Ukugcina ngendawo yokuphatha	Ubude obukhulu bekuqala ukugcina	Kungase kube kunezidingo zokuhlanganisa ngendawo yokuphatha
Ukufinyelela ukulondoloza	Kufanele kubekwe kusukela kwezindlela zokwakha izindawo zokugcina	Kungakunika ukuphakanyiswa kokugqamisa imithombo
Ukwenza okusha	Kuyaphendula kwezindlela zokwakha isikhombisa	Okunjalo kungakunika ukuthi kunezindlela eziningi zokuhlela
Isilinganiso Sesho	Amabhalansi we-solar/BESS nezindawo ezingaphansi	Amasubstations amakhulu noma amadliwane

Kuma-utility-scale hybrid plants, isikhombisa semithombo kufanele sikhethwe ngokuziphatha, izinkinga zokwenza ubusha, izindlela zokugcina, ubuciko, nokuthenga kwakhiwe ngokuphelele.

5.3 Isikhombisa se-Transformer esinezindlela zokugcina ezimbili zase-low-voltage

Ama-PV-BESS amaningi ayisebenzisa ama-transformer ane-zindlela zokugcina ezimbili zase-low-voltage kwe-inverter yama-photovoltaic ne-battery PCS.

Lokhu kufanele kuncikelela izindlela zokugcina zezinhlobo zezinkampani ezimbili ngaphandle kokusebenzisa isikhombisa sokugcina esisodwa se-medium-voltage.

Izimpumelelo ezingasebenza ziyashiyekile:

• Amasiko okuxhumeka kwe-low-voltage angasebenzi ngokwesibonelo.

• Ukuhluke kakhulu kwezinkinga zokuxhumeka kwe-winding.

• Ukuncipha kwezinkinga zokuxhumeka kwe-AC kwezinye izinkampani.

• Ukuxhumeka kwe-impedance ne-grounding okuhlukeneyo kwezibonelo.

Kodwa, amawindi angaseparat ezingasivumeli ukugcina kwelektriki ngokuphelele phakathi kwezinhlangano ezihlanganiswe ngemiphumela yonke yezindlela zokusebenza.

Amadatha okufa kwezinhlangano, ukulwandelela kwamawindi, amaphuzu okuvalekileyo kwevoltage, nokuhlanganisa ukulawula kufanele kubhekwa ngokusebenzisa isikhombi sokulinganisa kwamawindi amaningi wethransfomasi.

Ngoko ke, isithembiso sesithembiso sesekondari esibili kufanele sifakwe kusuka kwezinhlobo zezindikimini zokusebenza, izinhlobo zewindi zevoltage, isigaba sevector, izimpahla, nezinhlobo zokufa kwezinhlangano.

6. TRANSFORMER Ukulawula kokufa kwezinhlangano zokusebenza ngokuthi kuzobuyela emuva kwePV-neBESS

6.1 Ukulawula okufana nokukhanya kwe-overcurrent okufana nokuthi kuzobuyela emuva

Ukulawula kwezinhlangano zokusebenza kungafundiswa kusuka kwezinhlobo zokuthi amandla okufa akhule kusuka kwezinhlangano zokunika amandla kuze kuzofika kwezinhlangano zokusebenza.

Izisistimu zesiphumo se-PV-BESS zokuhlanganisa zingakwenzela izindlela ezihlukene zokuthumela umoya wokugqibela, kusukela ku-imephu yokuqhuba, amaphrojekthi we-inverter, nokubeka kwesikhungo.

Amaphrojekthi we-overcurrent ephambili njenge-ANSI 67 ne-67N angasebenza kahle lapho kufanele sithole indlela yokugqibela.

Amaphrojekthi esinye sokulondoloza angafaka kuwo:

Umsebenzi we-ANSI	Umfuntiso wesibheko	Ukuzinikela kwezindlela zokusebenza
50/51	Ukuphambuka kwe-overcurrent / isikhathi sokuphambuka	Ukulondoloza kwezinkinga zemiphumela yezikhathi
50N/51N	Ukuphambuka kwe-overcurrent yomhlaba	Ukuthola ukugqibela kwezinkambiso zomhlaba
67/67N	Ukuvuselela kwe-ovacurrent	Ukuqondana kwemiphumela apho kunezikhathi eziningi
87T	Ukuphatha kwe-differential yamaphutha	Ukubonisa imiphumela yamaphutha ngaphakathi
49	Ukhuphelo olunyelelwa	Ukujabulisa kwe-thermal overload
27/59	Under/overvoltage	Imiphumela yevolthije engavumelekile
81U/81O	Ukungafanani/ukuphakamisa kwe-frequensi	Izinkinga zefrequensi yegrid

Ukukhethwa kwemiphilo yokuvikela kuyaphendula kubukhulu bethransformers, isimo sokugcina, izinqumo zegrid code, nokwakhiwa kwesithili.

Akufanele ukhethwe imiphilo yokuvikela eyenziwa ngokuphambuka kwe-active power kuphela; ukunyaniso kwalo kufanele kubonakaliswe ngokuhlukaniswa kokuvikela.

6.2 Ukuvikela phansi kwamandla okuphakama nokulungiselela ukuvikela kwe-insulation

Amathuba okuthi amasithili we-photovoltaic ne-BESS ayabona amandla okuphakama okuthiwa ngamadoda, amandla okuphakama okuthiwa ngokuguqula, nokuzinga kwevoltage.

I-insulation system yethransformer kufanele ikhulungisele imidlalo yezinto ezinamandla e-electrical.

Izibalo eziphambili zivame kuqondwa njengazo:

• I-voltage enkulu kakhulu yekhipha.

• I-lightning impulse withstand level.

• Ukubambisana kwezimali zokusebenza ngokupheleleyo.

• Amaphethini wezilwanyana zokugcina umoya.

• Amadonga okugqibela.

• Amaphethini wokugcina amakhabheli.

• Izimo zokuguqula ukusebenza.

Izilwanyana zokugcina umoya zokwenziwa ngamakhemikhali zingasungulwa ngokuchaza kwamaphethini wokugcina amakhemikhali wokusebenza.

Ukukhetha kabo kufanele kubhekisele ku-umkhakha wokugqibela, umkhakha wokusebenza ngokupheleleyo wokuphakama kakhulu, izimo zokuphakama kakhulu kwezinsuku, nokuthi yiziphi izilwanyana zokugcina umoya ezizokubhekiswa.

6.3 Ukujabuliswa kwezinkampani zokuziphatha ne-SCADA Integration

Izinkampani ezingaphezulu zezindawo zokuphatha i-PV-BESS zingasungula izinkampani zokujabuliswa ngezindlela zokusondela (SCADA).

Ngokuchaza kwesayithi yezinkampani zokuziphatha nezinkinga zokusebenza, ukujabuliswa kungashiyelwa:

• Umpahla wokuphakama kwe-oli.

• Ukubonisa noma ukubhekisisa ukuphakama kwezindawo zokugqibela.

• Ubukhulu bekholi.

• Isimo sesikhombisi sokulahla isifanayo.

• Ukuvikela phakathi kwesigashe lapho kufanele.

• Isimo sesikhombisi sokuchitha isikhumbuzo.

• Amaphoyinti okubiza nokuthwala isikhumbuzo.

Amarelayi we-Buchholz ayisemthethweni yizinkampani zokusebenza ngokupheleleyo kwezinkampani zokusebenza ngokupheleleyo zokusebenza ngokupheleleyo, akaze yizinkampani zokusebenza ngokupheleleyo zokusebenza ngokupheleleyo zokusebenza ngokupheleleyo.

Izidata zokujabulisa zingalungiswa kuma-SCADA esikhundleni sokusebenza noma kumaziko okuphatha amandla ngokusebenzisa isikhundla sokuphatha sokusebenza.

Lokhu kuncike ukuthuthukisa ukujabulisa isimo, ukuplanisha ukuphatha, nokubona ukusebenza.

7. Imithombo ye-IEEE ne-IEC yezindaba zokusebenza Amathransfomaya okuphakamisa kwe-PV-BESS

Amaprojekthi wokusebenza kwemvelo engaphansi kwezizwe kufanele aqinisekise izindaba zokusebenza zemathransfomaya nezindaba zokugxilwa kwe-grid yendawo.

Izindaba zolandelayo zinikeza izimboni zokusebenza ezisodwa.

Standards	Isigaba	Ukuhambisana nokusebenza kwe-PV-BESS
IEEE C57.159	Indlela yokusebenza yemathransfomaya emaprojekthini wokusebenza kwemvelo yephotovoltaic ephakathi	Indlela yokusebenza yemathransfomaya yokuqala kwe-PV
IEEE C57.12.00	Izindaba zokujwayelekile zemathransfomaya esebenzayo ngemifuba	Ukubakwa nokusebenza kwemathransfomaya
IEEE C57.110	Ukuqiniseka kwezinhloso zemithambo yezinkulungwane ngemithambo engenasiyo yesiNtonga	Ukuqiniseka kwezinhloso zemithambo yezinkulungwane nezinhloso zokusebenza
IEEE C57.91	Ukusebenza kwemithambo eyisikhephe esihlukile	Ukuqiniseka kwezinhloso zemithambo nezinhloso zokuphatha izinkulungwane
IEC 60076-1	Izinqakotho zokusebenza kwezinkulungwane zokusebenza	Izinkulungwane nezinqakotho zokusebenza
IEC 60076-2	Ukuphakama kwezinkulungwane zokusebenza ngemithambo yezinkulungwane	Ukuqiniseka kwezinhloso zemithambo nezinhloso zokusebenza
IEC 60076-5	Ukuqinisa ukuthi kubhekiselela ukugcina kwesikhathi esinye sokugcina	Imithwalo yokugcina kwesikhathi esinye sokugcina
IEC 60076-7	Isilumkiso sokulayisha amathransfomaya okugcina ngamafutha eminenjini	Ukucinga kwesikhathi sokulayisha
IEC 60076-16	Amathransfomaya okugcina kwezindlu zokuphatha izibhamu	Kuyisifunda esihambisana ngezindlu zokuphatha izibhamu zokugcina isikhathi sokulayisha
IEEE 1547	Ukuxhuma kwezindlela zokuphatha imisebenzi yezindlela zokuphatha imisebenzi	Izinkinga zokuxhumana kwe-GRID ze-DER ngaphakathi kwezikhundla zayo

IEC/IEEE 60076-16 yadluliselwe ngqo kumsebenzi wemithambo yezibhamu zomoya. Ayikwazi ukuboniswa njengesistimu esihlele ngqo sokuthi sisebenza ngemithambo yezibhamu zomoya.

Kwane, i-IEEE C57.159 inikeza umlando kumsebenzi wemithambo yezibhamu zomoya ephakeme kodwa ayisivumela izistimu zokudesigna, ukuzifunda nokuxhumana kwe-GRID zemithambo yezibhamu.

Kumathuba okuhlanganisa, abahleli baya kusiza izinkinga ezinamandla ngokwahlukile futhi baya kuvumela uma izindlela zokusebenza ziyinkulu kumithambo yezibhamu etholwe.

8. Ukukhetha izilungisi zokuphepha kumithambo yezibhamu ne-BESS

Ukukhetha izilungisi zokuphepha kuyaphatha ukusebenza kwemithambo, ukuthumela amandla, ukulinda phansi kokuphepha, nokuziphatha kwezinhloso zemvelo.

8.1 Imithambo yezibhamu yomthambo wemineyali

Umthambo wemineyali uyasebenza njengesilungisi esihlele kanye nesilungisi sokuchitha kumithambo yezibhamu eyisilungisi.

Izinkambo zayo ziyindlela zokusebenza eziqinisekisiwe, ukutholakala kakhulu, ubukhona obuphelele bokusebenza, nokuthi izindlela zokuthengisa ziyisikhundla esihlukene.

8.2 Amadiluthi we-Insulating Ester Entabeni

Amadiluthi we-ester entabeni ayathathwa ngokuvamile kuzindawo ezikho kuzo ukuthi isafuthi yomdlalo nesifundo sezinsizakwane sibalulekile.

Kulinganisa nezindawo zokusebenza zezinkambo zeminyama, amadiluthi we-ester entabeni asivumelana ngokuvamile ayathola:

• Izindawo zokufa eziphakeme.

• Izinkambo zokubuyiselwa kwezinsizakwane zokuthi ziyasendaweni.

• Izinkambo ezahlukene zokuphatha umsindo.

• Izinkambo eziphakeme kuzindawo eziphakeme kwezinsizakwane zokufa.

Amadiluthi we-ester entabeni amaningi asebenzisa izindawo zokufa ezingu-300°C.

Kodwa, amadiluthi okhethwe kufanele abe nemithandazo yezinsizakwane zokugcina izinkambo zokugcina, izinkambo zokugcina, izinkambo zokugcina, nokuthi zibe nemithandazo yezinkambo zokugcina.

Ukukhetha umsindo wokushisa kufanele kube ngezinye izimpendulo zokulawula ukuphatha kwamafutha, izimpendulo zokugcina, nokuthi kubhekwe izimpendulo zemvelo zomkhakha.

Akufanele ukhethwe umsindo wokushisa wokunye noma umsindo wokushisa wokuzalwa ngokusebenzisa isibonelo esinye sokusebenza.

9. Ukukhetha isikhundla sendawo yomshini wokushisa kumkhakha wokubambisana kwe-PV ne-BESS

Hlola isikhundla sokubambisana sokwenzeka ngokuchaza izindlela zokusebenza ezilandelayo:

• Isikhundla sokushisa kwe-PV: 3 MW.

• Isikhundla sokushisa kwe-BESS PCS sokuphuma: 2 MW.

• Isikhundla sokushisa kwe-BESS PCS sokufaka: 2 MW.

• Isikhundla sokugcina sase-medium-voltage: 35 kV.

• Isikhundla sokugcina sase-AC sokubambisana.

Uma isistimu yokulawula isivumela i-PV ne-BESS ukuthi bakhule kusenxa ngokuvamile kwezinkulungwane zokusebenza zabo, isiphumo sokubambisana singafika ku:

3 MW + 2 MW = 5 MW

Ngokubhekisela kufaktor yokuzimisa okwenzekileyo we-0.95, isilinganiso sokusebenzisa amandla esikhundla sibonakala ngokulandelayo:

S = P ÷ PF

S = 5,000 kW ÷ 0.95 = 5,263 kVA

Kodwa ukuthi umsebenzi wokuhlola kwe-engineering ubonakalayo kungaba nesilinganiso sokukhetha izithemba zezithemba eziningi kule silinganiso sokusebenzisa amandla esikhundla, ngokuchaza kwezinkinga zokusebenza, imiphumela yokuqondisa, nokuthi kuyasebenza njani ngokwesifundo.

Kodwa ukukhetha okuphelele kufanele kubhekise izinto ezingaphezu kwezi.

Isibonelo, uma umshayeli wendawo yasemthwakathini uyabeka umkhawulo wokuhambisa kwesikhundla ku-4 MW, ukukhetha kwezithemba kungaba kunezinye izimo.

Kwakhona, ukufaka amandla kwe-battery kungabangela izimo eziningi zokusuka kwezindawo zokufaka amandla, ngokuthi amandla ayafakwa kusuka kwezithemba zokugcina amandla (PV), kusuka kwe-grid, noma kusuka kwezimbili.

Ukukhetha okuphelele kwezithemba kufanele kubhekise isikhundla sokusebenza esiphelile sokubhekisa izinto ezilandelayo:

1. Ukukhula okuphelele kwe-PV ne-BESS ngokuhlanganisa.

2. Ukukhula kwe-grid okuphelele okuvumelekile.

3. Amaphuzu okusebenza we-reactive power.

4. Ukufaka kwemithambo yezindaba zokugcina.

5. Amaphuzu wokusebenza we-transformer.

6. Ukubhala kwezinsuku zokuphakama.

7. Ukuhambisana kwesikhundla esizayo.

8. Amaphuzu okufakwa ngaphezulu okuvumelekile.

Kuma-transformer awane amaphuzu, umphathi wenyoka ngalinye kufanele akhankanywe ngokulinganisa nge-rating yakhe ne-amaphuzu okugcina.

Indima eyinkulu kukuthi kubhekwe ukuthi i-transformer ibe yini ngokwesikhundla sokusebenza esiphelele ngokwelektroniki ne-thermal, akungoko kuphela ukudibanisa amaphuzu okusebenza kwezinto ezifakiwe.

10. Izinketho zika-Jiangsu Dingxin Electric zokuguqula i-PV-BESS zokuphakama kwe-transformer.

Jiangsu Dingxin Electric yilokhu kuyilokhu kwezinhlelo zokusebenza kwe-transformer, i-power transformer, nezinhlelo zokusebenza zokuphakama ezigcina isikhundla, esebenza emazwe amaningi ekhaya.

Ngeminyaka engaphezu kwe-30 yokusebenza kwezinhlangano zethransfomasi, i-Dingxin inikeza umsiko wokwenza ne-umsiko wokusebenzisa kwezinhlangano zokuphatha amandla, izinhlangano zokusebenza kwezindustria, nezinhlangano zokunika amandla.

10.1 Izinhlangano zethransfomasi ezinikezwe ngokulinganisa kwezinhlangano zokuphatha amandla nesikhombi sokugcina amandla

Imithambo ye-PV ne-BESS iyadinga izindlela zokugcina ezihlukene kwezindlela zokugcina zezindawo zokuthengisa ngokwesibonelo.

UDingxin uyasebenza ngezinkampani ukubheka izidingo zomsebenzi ozithile ozivumelana ne:

• Amaphethini we-mv transformer.

• Izindlela zokuxhuma kwe-PV inverter ne-BESS PCS.

• Amaphethini we-voltage yesiqu (primary) neyesiqu sesibili (secondary).

• Ukusebenza kwesiqu esinye noma kubabili besiqu esincane.

• Izigaba zemithambo yezikhala.

• Izidingo zemphakathi.

• Ukukhetha kwemithwisi yokugcina umoya.

• Izindlela zokuchitha.

• Izinkothambo zezindawo zangaphandle zokugcina.

• Amasakhi wezilungiselelo nezifundo zokujabulisa.

Kubaprojekthi obhekene nabizikwe lwe-35 kV, kungahleliwa ukuthi kubhekwe izinhlelo zokugcina ezihlanganisiwe ngokwezilinganiso zokufaneleka kwevoltage, isivinini, isivinini sezinkothambo zokugcina, nokuthi kuzoba kanjani ukugcina.

10.2 Ukuthuthukisa kwezinsiza zokuphatha amandla ngamabili

Ukugcina kwe-PV-BESS okuhle kudinga ukuthi kubhekwe ngokuhambisana phakathi kwezinhlelo zokugcina nezinhlelo zokuphatha amandla kwezinhlelo zonke.

Ngokuhlola kwezinhlelo zokusebenza, izinto eziphambili ezingahleliwa ziyizinto ezilandelayo:

Ukuchaza kwezintambo: Bheka izinqubo zokusebenza, izintambo zangaphandle, nokuphakama komlingo wamathwisi.

Ukucinga kwe-harmonics: Jonga amadatha we-harmonics we-inverter ne-PCS ukuze ubone ukuthi kunezinkinga zokulahla okunye noma izindlela zokufaka izinto eziphakathi kwesikhombiso.

Isimo sesikhombiso sesilungu: Landela ivoltijwe yokubhala, impedansi, iqembu le-vector, nokuhlanganisa kwe-grounding kusikhombiso sesilungu sesihlukanisi.

Ukuhlanganisa kwezinqumo zokuvikela: Hlanganisa izinqumo zokuvikela kwe-transformer nesikhombiso sezinkulumo zokuvikela nesikhombiso sokugcina.

Ukuphakamisa nokudokumenta: Qala izimfuneko ze-IEEE/IEC ezithile, izimfuneko zokubuyisela emsebenzini ngaphandle kokwakhiwa, nokudokumenta teknikhi phambi kokwakhiwa.

UDingxin unakukhuluma ngamaphakathi esikhombiso sesitransformer esihlanganisiwe ngokulinganisa kubasebenzi bokwakha i-solar EPC, abasebenzi bokwenza imisebenzi yezindlela zokusebenza ngokuphelele, nababambisani bokuhlanganisa i-BESS.

Izirating zomthelela wokusebenza, isimo sokufaneleka, isikhombiso sokuphakamisa, nezinhlobo ezitholakalayo kufanele ziqinisekwe ngokuchaza kwezindaba zomkhakha.

11. Imibuzo Ebalulekileyo Ngokuphakamisa I-Transformer Yama-BESS Yama-PV

I-Transformer Yokuvulwa Kwabahambisi Kwezimali Yini?

I-Transformer Yokuvulwa Kwabahambisi Kwezimali Yiyi-Transformer Esetshenziswa Kwisistimu Yesikhephe Sokugqibela Lapho Izimali Zokusebenza Zingahamba Ngendlela Ebili.

Amatransformer Amanje AC Azinakwazi Ukuthumela Izimali Ngendlela Ebili, Kodwa Amathuba Okusebenza Kwesikhathi Esilungileyo Kwezimali Ezisemthwakathini Kungadinga Ukuchazwa Kwamakhanda Okusebenza, Amaharmoniki, Ukulungisa Ivolthi, Nokulondoloza.

I-Transformer Yokuphakamisa I-BESS Iyahlukene Kanjani Nge-Transformer Yokusola Yamanje?

I-Transformer Yokuphakamisa I-BESS Inokusebenza Ngokufaka, Ukukhipha, Ukushaya, Nakukhuluma Ngokusebenza Kwamandla Okungasebenzi.

Kulingana Nge-Application Yokusola Yamanje, I-profil Yakho Yokusebenza Inokubhekana Nokusebenza Kwamakhanda Okuhluke Nokuthi Kuyadinga Ukusebenza Kwamandla Okungasebenzi.

Ukuhlakazeka Kwamatransformer Kufanele Kuhlanganise Nokusebenza Kwamatransformer Akusetshenziswa Kwisistimu Nokusebenza Kwesistimu.

Ingaba I-Transformer Enye Inokuxhumana Nezinhlelo Zokusola Nezinhlelo Zokusebenza Kwamatransformer Akusetshenziswa Kwisistimu?

Yebo. Kungase kubhekwa ukusebenzisa umthambo ojwayelekile uma isikhala sokugcina, amaphethini wesiqu, amaphethini we-voltage, ukulandela kwezisifundo zokuvikela, nokhulu lokuphatha kwezinto zokugcina kuyasebenzisa ngokuphelele.

Izinketho ziyashiyela isiqu esincane sokuthengisa esijwayelekile noma isikhala sesiqu esinamagama amaningi.

Ukuvulwa kwe-ampere kubili kuyakubangela ukufuphuka kwe-transformer?

Akakwazi ngokwesibonelo.

Ukufuphuka kwe-core kuhambelana nezimo zemagneti zokusebenza njengezimo zokuphepha kwe-voltage kune-frequency, ukubeka kwe-DC, noma izimo zezikhathi ezihlukene.

Indlela yokuvulwa kwe-AC active power ayikwazi ngokwesibonelo ukubangela ukufuphuka kwe-transformer core.

Izitransformer ze-K-factor zizinga zokufanele kuma-installation ye-BESS?

Cha. Kufanele kubhekwe ukugcina kwe-harmonics ngokusebenzisa ispekthrem ye-PCS current kanye nokuthi kubhekwe indlela yokudesigna i-transformer.

Akufanele kubhekwe ukuthi i-K-factor eyodwa iyizindaba zokufanele kuzo zonke izi-transformer ze-BESS ezingaphansi kwezilwanyana.

Kufanele kubekho i-OLTC kuma-substation we-PV-BESS?

Akukho lutho lokhu.

Imiphakathi yokuqondisa kwe-OLTC iyaphendula kubonakaliso bekuvimba kwe-grid, imiphakathi yokufaka amandla okwe-inverter, indlela yokulawula kwe-network, nokuthi iprojekthi iyayithini.

Amakhombo amaningi ayisebenzisa izindlela zokugcina ukusebenza kwe-tap ngokupheleleyo futhi ngezindlela zokulawula kwe-voltage zokusebenza kwe-inverter ne-grid.

Izistandadi ziphi eziyasebenzela kwe-transformers zezindawo zokusebenza kwe-PV-BESS?

IzirefereNSi ezihambisana zingahlanganisa i-IEEE C57.159, i-IEEE C57.12.00, i-IEEE C57.110, i-IEC 60076-1, i-IEC 60076-2, i-IEC 60076-5, kanye neziguquguqu zokulawula kwe-loading ezihambisana.

Imiphakathi yokuxhuma kwe-grid kufanele ibhekwe ngokwesibonelo sokuzinye.

Ukuthi umshinisi we-transformer ungalungiselela iprojekthi yezindawo zokusebenza kwe-PV-BESS njani?

Umshinisi ungavumela ukukhetha kwe-transformer okuhambisana neprojekthi, ukusobala kwemikhombolo yamandla, ukubala kwemiphakathi yokuphatha, ukusobala kwemiphakathi yokubamba amandla, ukubala kwemiphakathi yokuphatha kwezintambo, ukukhetha kwezinto zokusebenza kahle, nokuthenga kwezicabho zokuphatha kwe-factory.

Isiphephandaba sesiqephu sezinto zokusebenza sifanele sikwenziwe ngokuhambisana phakathi kwe-EPC contractor, i-PCS supplier, i-grid engineer, kanye nomshinisi we-transformer.

12. Isiphetho: Ukubeka kwezinhlelo zokusebenza ezinamandla I-PV-BESS Power Infrastructure

Ngokuphakama kwezindlela zokugenerate i-solar nezindlela zokugcina i-battery energy storage, ukukhetha i-transformer kushintsha ngaphezu kwezindlela zokubala kwe-nameplate kanye nokubalwa kwe-voltage.

Okukhangelwa isibonelo se-PV sokukhula kufanele isivumelwano sisebenze ngokulinganisa imisebenzi yezindawo zokusebenzisa amandla angaphakathi okunye nezindawo zokusebenzisa amandla angaphakathi, ngokugcina ukusebenza kwe-thermal, dielectric, nokwelektriki.

Izinkinga zokubala eziphambili ziyizinto ezifanele ukuzibona:

• Ukuvulwa kwe-aktive ne-reactive power ngobuso babili.

• Amaphrofayili wokufaka nokukhupha awathintana.

• Izinkulungwane zokubhala izinkulungwane zokubhala.

• Ukugcinwa kwesithuthi sokuthinta isithuthi nesikhumba sokugcinwa kwesithuthi.

• Ukubeka isikhundla sokubeka isikhundla nesikhundla sokubeka isikhundla.

• Ukubhala kwezindawo eziningi zokubhala nokubhala kwezindawo zokubhala.

• Imithombo yase-IEEE/IEC ephakanyiswa.

• Izinkinga zokusebenza kude nesikhathi sokulungisa.

Kumaprojekthi eminkhulu yezindlela zokuphatha amandla, ukubambisana kwangaphambi phakathi kwezinhlanganisi zemithombo yamathransfomu, abasebenzi be-EPC, abasupplya be-PCS, nabafundi basebhalo bokuphatha amandla kusiza ukunciphula izinkinga zokuhlanganiswa nokuthuthukisa ukufanana kwezinhlanganisi.

Qopha Imathransfomu Yokuqonda Yomkhosi Wokuphatha Amadla Nge-Photovoltaic

Uyakhuluma imiprojekthi yomkhosi wokuphatha amandla ngokudlula nokugcina noma uyangagcina isibhalo sesibhalo sokuphatha amandla esihlengi?

I-Jiangsu Dingxin Electric inawunika imithombo yamathransfomu eyodlulayo nezinhlanganisi zesisibhalo sokuphatha amandla esihlengi kumaprojekthi we-photovoltaic, ukugcina amandla nge-battery, nokuphatha amandla kwe-medium-voltage.

Isigaba sethu singabheka izinkinga zakho zokuphatha amandla, futhi kuzo izinkinga zokuphatha amandla zomathransfomu, uvoltage wesistimu, ukuguqula kwemithombo yamathransfomu, izinkampani zokulungisa, nezimithombo zokubhalo ezinamandla.

Xhuma i-Dingxin Electric ukuqopha ukubheka kwezinkinga zomathransfomu yokuphatha amandla kumaprojekthi okanye ukubheka kwezinkinga zokubhalo zokuphatha amandla.

Isayithi: https://www.dishinelectric.com/