Yintoni i-inverter yelanga kwaye yintoni imisebenzi ye-inverter

Yintoni nainverter yelanga

Inkqubo yokuvelisa amandla elanga ye-AC yenziweiiphaneli zelanga, umlawuli wentlawulo, inverter kunyeibhetri ; inkqubo yokuvelisa amandla elanga yeDC ayiquki i-inverter. I-Inverter sisixhobo sokuguqula amandla. Ii-inverters zinokwahlulwa zibe yi-self-excited oscillation inverter kunye ne-inverter ye-oscillation eyonwabileyo ngokwahlukileyo ngokwendlela yokuvuselela. Umsebenzi ophambili kukuguqula amandla e-DC ebhetri kumandla e-AC. Ngokusebenzisa i-full-bridge circuit, iprosesa ye-SPWM isetyenziselwa ukumodareyitha, ukuhluzwa, ukunyusa i-voltage, njl. Nge-inverter, ibhetri ye-DC ingasetyenziselwa ukunika amandla e-AC kwizinto zombane.

2. Uhlobo lwe-inverter

 

(1) Ukuhlelwa ngokwemida yesicelo:

 

(1) I-inverter eqhelekileyo

 

I-DC 12V okanye i-24V igalelo, i-AC 220V, i-50Hz imveliso, amandla ukusuka kwi-75W ukuya kwi-5000W, ezinye iimodeli zine-AC kunye ne-DC yokuguqulwa, oko kukuthi, umsebenzi we-UPS.

 

(2) Inverter / itshaja yonke-in-one umatshini

 

Kuleuhlobo lwe-inverter, abasebenzisi bangasebenzisa iindlela ezahlukeneyo zamandla ukunika amandla imithwalo ye-AC: xa kukho amandla e-AC, amandla e-AC asetyenziselwa ukunika amandla umthwalo nge-inverter, okanye ukuhlawula ibhetri; xa kungekho mandla e-AC, ibhetri isetyenziselwa ukunika amandla umthwalo we-AC. . Ingasetyenziswa ngokubambisana nemithombo eyahlukeneyo yamandla: iibhetri, iijeneretha, iipaneli zelanga kunye nee turbines zomoya.

 

(3) I-inverter ekhethekileyo yeposi kunye nezonxibelelwano

 

Ukubonelela ngee-inverters ze-48V eziphezulu zeposi kunye nezonxibelelwano, unxibelelwano. Iimveliso zayo zisemgangathweni olungileyo, ukuthembeka okuphezulu, imodyuli (imodyuli yi-1KW) inverter, kwaye inomsebenzi we-N + 1 wokuphindaphinda kwaye unokwandiswa (amandla ukusuka kwi-2KW ukuya kwi-20KW).

 

4) I-inverter ekhethekileyo yeenqwelomoya kunye nomkhosi

Olu hlobo lwe-inverter lunegalelo le-28Vdc kwaye lunokubonelela ngeziphumo ezilandelayo ze-AC: 26Vac, 115Vac, 230Vac. I-frequency yayo yokuphuma ingaba: 50Hz, 60Hz kunye ne-400Hz, kunye ne-output power ranges ukusuka kwi-30VA ukuya kwi-3500VA. Kukwakho nabaguquli be-DC-DC kunye nabaguquli befrikhwensi abazinikele kuphapho.

(2) Ukuhlelwa ngokwemveliso yamaza:

 

(1) Isikwere sokuguqula amaza

 

Imveliso ye-wave wave ye-AC yi-square wave inverter yi-square wave. Iisekethe ze-inverter ezisetyenziswe ngolu hlobo lwe-inverter azifani ncam, kodwa into eqhelekileyo kukuba isiphaluka silula kwaye inani leetyhubhu zokutshintsha amandla ezisetyenzisiweyo zincinci. Amandla oyilo ngokubanzi aphakathi kwekhulu leewatts kunye nekilowatt enye. Izibonelelo ze-square wave inverter zezi: isekethe elula, ixabiso elincinci kunye nokugcinwa lula. Ukungalungi kukuba i-square wave voltage iqulethe inani elikhulu le-harmonics ye-high-order, eya kuvelisa ilahleko eyongezelelweyo kwimpahla yomthwalo kunye ne-inductors ye-iron core okanye i-transformers, ebangela ukuphazamiseka kwiirediyo kunye nezinye izixhobo zonxibelelwano. Ukongeza, olu hlobo lwe-inverter luneziphene ezinjengoluhlu olungonelanga lolawulo lwamandla ombane, umsebenzi ongaphelelanga wokukhusela, kunye nengxolo ephezulu.

 

2) Inyathelo inverter yamaza

Imveliso ye-AC yombane wombane ngolu hlobo lwe-inverter linyathelo lamaza. Mininzi imigca eyahluka-hlukeneyo yokuba isiguquli-guquli siqonde inyathelo lokuphuma kwamaza, kwaye nenani lamanyathelo kwimo yokuvelisa liyahluka kakhulu. Inzuzo yenyathelo lokuguqula inyathelo kukuba i-waveform yemveliso iphuculwe kakhulu xa kuthelekiswa ne-square wave, kwaye umxholo ophezulu we-harmonic uyancitshiswa. Xa amanyathelo afikelela ngaphezu kwe-17, i-wave waveform ephumayo inokufezekisa i-quasi-sinusoidal wave. Xa usebenzisa i-transformerless output, ukusebenza kakuhle kuphezulu kakhulu. Ububi kukuba i-ladder wave superposition circuit isebenzisa iityhubhu ezininzi zokutshintsha amandla, kwaye ezinye iifom zesekethe zifuna iiseti ezininzi zamagalelo ombane weDC. Oku kuzisa ingxaki ekudityanisweni kwamaqela kunye neengcingo zeeseli zelanga kunye nokutshaja okulinganayo kweebhetri. Ukongeza, i-voltage ye-staircase wave isenokuphazamiseka kokujikeleza okuphezulu koonomathotholo kunye nezinye izixhobo zonxibelelwano.

 

(3) I-Sine wave inverter

 

Imveliso ye-AC voltage waveform yi-sine wave inverter yi-sine wave. Izibonelelo ze-sine wave inverter kukuba ine-wave wave ephumayo elungileyo, ukugqwetheka okuphantsi, ukuphazamiseka okuncinci koonomathotholo kunye nezixhobo zonxibelelwano, kunye nengxolo ephantsi. Ukongezelela, inemisebenzi epheleleyo yokukhusela kunye nokusebenza okuphezulu okuphezulu. Ukungalungi zezi: isekethe inzima, ifuna iteknoloji yokugcina, kwaye iyabiza.

 

Ukwahlula kwezi ntlobo zintathu zingentla ze-inverters luncedo kubaqulunqi kunye nabasebenzisi beenkqubo ze-photovoltaic kunye neenkqubo zamandla omoya ukuchonga kunye nokukhetha i-inverters. Enyanisweni, ii-inverters ezine-waveform efanayo zisahluke kakhulu ngokwemigaqo yesekethe, izixhobo ezisetyenzisiweyo, iindlela zokulawula, njl.

 

3. Iiparamitha zokusebenza eziphambili ze-inverter

 

Kukho iiparamitha ezininzi kunye neemeko zobugcisa ezichaza ukusebenza kwe-inverter. Apha sinika kuphela inkcazo emfutshane yeeparitha zobugcisa ezisetyenziswa ngokuqhelekileyo xa kuhlolwa ii-inverters.

1. Iimeko zokusingqongileyo zokusetyenziswa kwe-inverter

 

Iimeko eziqhelekileyo zokusetyenziswa kwe-inverter: ukuphakama akudluli kwi-1000m, kunye nobushushu bomoya ngu-0 ~ + 40 ℃.

 

2. DC igalelo iimeko amandla

 

Uluhlu lokuguquguquka kwamandla ombane we-DC: ±15% yombane olinganisiweyo wepakethi yebhetri.

 

3. Ilinganiswe umthamo wombane

 

Ngaphantsi kweemeko zamandla ezichaziweyo, i-inverter kufuneka ikhuphe ixabiso le-voltage elinganisiweyo xa ikhupha i-current rated current.

 

Uluhlu lokuguquguquka kwevoltage: isigaba esinye 220V±5%, isigaba sesithathu 380±5%.

 

4. Isiphumo esilinganisiweyo sangoku

 

Ngaphantsi kwemveliso ekhutshwayo ekhankanyiweyo kunye nomthwalo wamandla, ixabiso elilinganisiweyo langoku ekufuneka i-inverter ikhuphe.

 

5. Ilinganiswe imveliso rhoqo

 

Ngaphantsi kweemeko ezikhankanyiweyo, umlinganiselo wokuphuma olinganiselweyo we-inverter esisigxina yi-50Hz:

 

Uluhlu lokuguquguquka rhoqo: 50Hz±2%.

 

6. Ubuninzi bomxholo we-harmonic wei-inverter

 

Kwi-sine wave inverters, phantsi komthwalo ochasayo, umxholo ophezulu we-harmonic we-voltage ephumayo kufuneka ube ngu-≤10%.

 

7. Isakhono sokulayisha ngaphezulu kwe-inverter

 

Ngaphantsi kweemeko ezichaziweyo, i-inverter output capability idlula ixabiso langoku elilinganiselweyo kwixesha elifutshane. Umthamo ogqithisiweyo we-inverter kufuneka uhlangabezane neemfuno ezithile phantsi komthwalo ochaziweyo wamandla.

 

8. Ukusebenza kakuhle kwe-inverter

 

Phantsi kombane wemveliso olinganisiweyo, imveliso, yangoku kunye nechaziweyo yomthwalo wamandla ombane, umlinganiselo we-inverter yemveliso yamandla asebenzayo kwigalelo lamandla asebenzayo (okanye amandla eDC).

 

9. Layisha amandla amandla

 

Uluhlu oluvumelekileyo oluvumelekileyo lwe-inverter load power factor lunconywa ukuba lube ngu-0.7-1.0.

 

10. Layisha i-asymmetry

 

Ngaphantsi kwe-10% yomthwalo we-asymmetric, i-asymmetry ye-fixed frequency frequency-three-phase inverter output voltage kufuneka ibe ≤10%.

 

11. Imveliso yombane i-asymmetry

 

Ngaphantsi kweemeko eziqhelekileyo zokusebenza, umthwalo wesigaba ngasinye u-symmetrical, kwaye i-asymmetry ye-voltage ephumayo kufuneka ibe yi-≤5%.

 

12. Iimpawu zokuqala

Ngaphantsi kweemeko eziqhelekileyo zokusebenza, i-inverter kufuneka ikwazi ukuqala ngokuqhelekileyo ngamaxesha angama-5 ngokulandelelana phantsi komthwalo ogcweleyo kunye neemeko zokusebenza ezingenayo.

 

13. Umsebenzi okhuselayo

 

I-inverter kufuneka ixhotyiswe: ukukhusela i-short-circuit, ukukhuselwa ngokugqithisileyo, ukukhuselwa kwe-voltage, ukukhuselwa ngaphantsi kwe-voltage kunye nokukhuselwa kokulahleka kwesigaba.

 

15. Ukuphazamiseka kunye nokuchasana nokuphazamiseka

 

I-inverter kufuneka ikwazi ukumelana nokuphazamiseka kwe-electromagnetic kwindawo ngokubanzi phantsi kweemeko eziqhelekileyo zokusebenza ezichaziweyo. Ukusebenza kwe-anti-interference kunye nokuhambelana kwe-electromagnetic ye-inverter kufuneka ihambelane nemigangatho efanelekileyo.

 

16. ingxolo

 

Ii-inverters ezingasetyenziswa rhoqo, zibekwe esweni kwaye zigcinwe kufuneka zibe ≤95db;

 

Ii-inverters ezisebenza rhoqo, zibekwe esweni kwaye zigcinwe kufuneka zibe ≤80db.

 

17. bonisa

 

I-inverter kufuneka ixhotyiswe ngokuboniswa kwedatha yeeparameters ezifana ne-AC output voltage, i-output current, kunye ne-frequency ye-output, kunye nokuboniswa kwesignali yegalelo eliphilayo, elinamandla, kunye nemeko yempazamo.

 

4. Qinisekisa iimeko zobugcisa ze-inverter:

 

Xa ukhetha i-inverter yenkqubo yokuncedisa amandla e-photovoltaic / umoya, into yokuqala ekufuneka uyenzile kukumisela ezona parameters zibalulekileyo zobugcisa be-inverter: igalelo le-DC voltage range, njenge-DC24V, 48V, 110V, 220V, njl.;

 

Ukulinganisa i-voltage yemveliso, njengesigaba sesithathu se-380V okanye isigaba esisodwa se-220V;

 

Imveliso yamaza ombane ephumayo, enje ngamaza e-sine, i-trapezoidal wave okanye i-square wave.