Kodi inverter ya dzuwa ndi chiyani komanso ntchito za inverter ndi ziti

Kodi ainverter ya dzuwa

Dongosolo lamagetsi la solar AC limapangidwa ndimapanelo a dzuwa, chowongolera chowongolera, inverter ndibatire ; makina opangira magetsi a solar DC samaphatikizapo inverter. Inverter ndi chida chosinthira mphamvu. Ma inverters atha kugawidwa kukhala inverter yodzisangalatsa ya oscillation ndi inverter yosangalatsa ya oscillation malinga ndi njira yosangalatsa. Ntchito yayikulu ndikutembenuza mphamvu ya DC ya batire kukhala mphamvu ya AC. Kupyolera mu dera lonse la mlatho, pulosesa ya SPWM nthawi zambiri imagwiritsidwa ntchito kusinthasintha, kusefa, kuwonjezera mphamvu yamagetsi, ndi zina zotero kuti apeze mphamvu ya sinusoidal AC yomwe imafanana ndi nthawi yowunikira, magetsi ovotera, ndi zina zotero kwa ogwiritsa ntchito mapeto. Ndi inverter, batire ya DC imatha kugwiritsidwa ntchito kupereka mphamvu ya AC ku zida zamagetsi.

2. Mtundu wa inverter

 

(1) Gulu ndi kuchuluka kwa ntchito:

 

(1) Inverter wamba

 

Kulowetsa kwa DC 12V kapena 24V, AC 220V, 50Hz kutulutsa, mphamvu kuchokera ku 75W kupita ku 5000W, mitundu ina imakhala ndi kutembenuka kwa AC ndi DC, ndiko kuti, UPS ntchito.

 

(2) Inverter/chaja makina onse-mu-amodzi

 

Mu izimtundu wa inverter, ogwiritsa ntchito angagwiritse ntchito mitundu yosiyanasiyana ya mphamvu kuti agwiritse ntchito katundu wa AC: pamene pali mphamvu ya AC, mphamvu ya AC imagwiritsidwa ntchito kupatsa mphamvu katunduyo kudzera mu inverter, kapena kulipiritsa batri; pamene palibe mphamvu ya AC, batire imagwiritsidwa ntchito kupatsa mphamvu AC katundu. . Itha kugwiritsidwa ntchito molumikizana ndi magwero osiyanasiyana amagetsi: mabatire, ma jenereta, mapanelo adzuwa ndi ma turbine amphepo.

 

(3) Inverter yapadera yama positi ndi ma telecommunication

 

Perekani ma inverters apamwamba kwambiri a 48V positi ndi ma telecommunication, mauthenga. Zogulitsa zake ndi zabwino kwambiri, zodalirika kwambiri, modular (module ndi 1KW) inverter, ndipo zimakhala ndi N + 1 redundancy ntchito ndipo zimatha kukulitsidwa (mphamvu kuchokera ku 2KW mpaka 20KW).

 

4) Inverter yapadera ya ndege ndi asilikali

Mtundu uwu wa inverter uli ndi 28Vdc athandizira ndipo angapereke zotsatirazi zotuluka AC: 26Vac, 115Vac, 230Vac. Mafupipafupi ake linanena bungwe akhoza kukhala: 50Hz, 60Hz ndi 400Hz, ndi linanena bungwe mphamvu ranges kuchokera 30VA kuti 3500VA. Palinso ma converter a DC-DC ndi ma frequency converter odzipatulira kuyendetsa ndege.

(2) Gulu ndi mawonekedwe otuluka:

 

(1) Square wave inverter

 

Kutulutsa kwa AC voltage waveform ndi square wave inverter ndi mafunde a square. Maulendo a inverter omwe amagwiritsidwa ntchito ndi mtundu uwu wa inverter sali ofanana ndendende, koma chodziwika bwino ndikuti dera ndilosavuta komanso kuchuluka kwa machubu osinthira magetsi omwe amagwiritsidwa ntchito ndi ochepa. Mphamvu zamapangidwe nthawi zambiri zimakhala pakati pa ma watts zana limodzi ndi kilowatt imodzi. Ubwino wa square wave inverter ndi: dera losavuta, mtengo wotsika mtengo komanso kukonza kosavuta. Choyipa chake ndikuti voteji ya square wave imakhala ndi ma harmonics ambiri apamwamba, omwe amatulutsa zotayika zowonjezera pazida zonyamula zida ndi ma inductors achitsulo kapena ma transfoma, zomwe zimapangitsa kusokoneza ma wayilesi ndi zida zina zoyankhulirana. Kuphatikiza apo, mtundu uwu wa inverter uli ndi zofooka monga kusakwanira kwa ma voltage regulation, chitetezo chosakwanira, komanso phokoso lalikulu.

 

2) Gawo wave inverter

Kutulutsa kwa AC voltage waveform ndi mtundu uwu wa inverter ndi gawo loyendera. Pali mizere yambiri yosiyanasiyana kuti inverter izindikire kutulutsa kwa mafunde, ndipo kuchuluka kwa masitepe mu mawonekedwe otulutsa kumasiyana kwambiri. Ubwino wa step wave inverter ndikuti mawonekedwe otulutsa amapangidwa bwino kwambiri poyerekeza ndi mawonekedwe a square wave, ndipo zomwe zili mumtundu wapamwamba kwambiri zimachepetsedwa. Masitepe akafika kupitilira 17, mawonekedwe a waveform amatha kukwaniritsa mafunde a quasi-sinusoidal. Mukamagwiritsa ntchito zotulutsa zopanda transformer, mphamvu yonseyi ndiyokwera kwambiri. Choyipa ndichakuti makwerero a superposition makwerero amagwiritsa ntchito machubu osinthira magetsi ambiri, ndipo mawonekedwe ena ozungulira amafunikira ma seti angapo amagetsi a DC. Izi zimabweretsa vuto pakuyika magulu ndi mawaya a ma cell a solar komanso kuyitanitsa mabatire moyenera. Kuphatikiza apo, mphamvu ya masitepe a masitepe akadali ndi zosokoneza kwambiri pamawayilesi ndi zida zina zoyankhulirana.

 

(3) Sine wave inverter

 

Kutulutsa kwamagetsi kwa AC ndi sine wave inverter ndi sine wave. Ubwino wa sine wave inverter ndikuti ili ndi mawonekedwe abwino otuluka, kupotoza pang'ono, kusokoneza pang'ono kwa ma wayilesi ndi zida zolumikizirana, komanso phokoso lochepa. Kuphatikiza apo, ili ndi ntchito zoteteza kwathunthu komanso kuchita bwino kwambiri. Zoyipa zake ndi izi: dera ndizovuta, zimafuna ukadaulo wapamwamba wokonza, ndipo ndi okwera mtengo.

 

Magulu a mitundu itatu yomwe ili pamwambayi ndi yothandiza kwa okonza ndi ogwiritsa ntchito makina a photovoltaic ndi magetsi a mphepo kuti azindikire ndikusankha ma inverters. M'malo mwake, ma inverters okhala ndi mawonekedwe omwewo amasiyanabe kwambiri malinga ndi mfundo zamagawo, zida zomwe zimagwiritsidwa ntchito, njira zowongolera, ndi zina zambiri.

 

3. Main ntchito magawo a inverter

 

Pali magawo ambiri ndi machitidwe aukadaulo omwe amafotokoza momwe inverter imagwirira ntchito. Apa timangofotokozera mwachidule za magawo aukadaulo omwe amagwiritsidwa ntchito poyesa ma inverters.

1. Zinthu zachilengedwe zogwiritsira ntchito inverter

 

Zomwe zimagwiritsidwa ntchito mwachizolowezi cha inverter: kutalika sikudutsa 1000m, ndipo kutentha kwa mpweya ndi 0 ~ + 40 ℃.

 

2. Mphamvu zolowetsa za DC

 

Kusinthasintha kwamagetsi a DC: ± 15% yamagetsi ovotera a paketi ya batri.

 

3. Adavotera voteji

 

Pansi pa mphamvu zomwe zafotokozedwa, inverter iyenera kutulutsa mtengo wamagetsi ovotera potulutsa zomwe zidavotera.

 

Kusinthasintha kwamagetsi osiyanasiyana: gawo limodzi 220V ± 5%, magawo atatu 380 ± 5%.

 

4. Chovoteledwa linanena bungwe panopa

 

Pansi pa ma frequency omwe atchulidwa komanso mphamvu yamagetsi, mtengo wapano womwe inverter iyenera kutulutsa.

 

5. Adavoteledwa pafupipafupi

 

Pansi pamikhalidwe yomwe yatchulidwa, ma frequency omwe adavotera ma frequency inverter ndi 50Hz:

 

Kusinthasintha kwafupipafupi: 50Hz ± 2%.

 

6. Zolemba malire harmonic ziliinverter

 

Kwa ma sine wave inverters, pansi pa katundu wopingasa, kuchuluka kwa ma harmonic pamagetsi otulutsa kuyenera kukhala ≤10%.

 

7. Kuthekera kwa inverter

 

Pansi pamikhalidwe yodziwika, kuthekera kotulutsa kwa inverter kumaposa mtengo womwe wavoteredwa munthawi yochepa. Kuchulukirachulukira kwa inverter kuyenera kukwaniritsa zofunikira zina pansi pa chinthu chomwe chatchulidwa.

 

8. Kuchita bwino kwa inverter

 

Pansi pa voliyumu yomwe idavotera, zotulutsa, zomwe zikuchitika komanso zomwe zidatchulidwa, chiŵerengero cha inverter yotulutsa mphamvu yogwiritsira ntchito mphamvu yamagetsi (kapena mphamvu ya DC).

 

9. Katundu mphamvu factor

 

Kusiyanasiyana kovomerezeka kwa inverter load power factor ikulimbikitsidwa kukhala 0.7-1.0.

 

10. Lowetsani asymmetry

 

Pansi pa 10% asymmetric katundu, asymmetry ya pafupipafupi magawo atatu inverter linanena bungwe voteji ayenera kukhala ≤10%.

 

11. Kutulutsa voteji asymmetry

 

Pazikhalidwe zogwirira ntchito, katundu wa gawo lililonse ndi wofanana, ndipo asymmetry yamagetsi otulutsa ayenera kukhala ≤5%.

 

12. Makhalidwe oyambira

Pazikhalidwe zogwirira ntchito, inverter iyenera kuyamba nthawi zonse 5 motsatana pansi pa katundu wathunthu komanso osanyamula katundu.

 

13. Ntchito yoteteza

 

Inverter iyenera kukhala ndi: chitetezo chozungulira pang'onopang'ono, chitetezo chanthawi yayitali, chitetezo champhamvu kwambiri, chitetezo chamagetsi, chitetezo chamagetsi ndi gawo lotayika.

 

15. Kusokoneza ndi kusokoneza

 

Inverter iyenera kupirira kusokonezedwa ndi ma electromagnetic m'malo wamba pansi pamikhalidwe yodziwika bwino yogwirira ntchito. Kuchita kwa anti-kusokoneza komanso kuyanjana kwamagetsi kwa inverter kuyenera kutsata miyezo yoyenera.

 

16. phokoso

 

Ma inverters omwe sagwiritsidwa ntchito pafupipafupi, kuyang'aniridwa ndi kusamalidwa ayenera kukhala ≤95db;

 

Ma inverters omwe amagwiritsidwa ntchito pafupipafupi, kuyang'aniridwa ndi kusamalidwa ayenera kukhala ≤80db.

 

17. chiwonetsero

 

Inverter iyenera kukhala ndi mawonekedwe a data pazigawo monga AC output voltage, zotuluka pakali pano, ndi ma frequency otuluka, komanso ma siginecha kuti alowemo amoyo, amphamvu, komanso mawonekedwe olakwika.

 

4. Dziwani zaukadaulo wa inverter:

 

Posankha inverter ya photovoltaic / mphepo mphamvu zowonjezera dongosolo, chinthu choyamba kuchita ndi kudziwa zotsatirazi zofunika kwambiri magawo luso la inverter: athandizira DC voteji osiyanasiyana, monga DC24V, 48V, 110V, 220V, etc.;

 

Oveteredwa linanena bungwe voteji, monga atatu gawo 380V kapena limodzi gawo 220V;

 

Mawonekedwe amagetsi otulutsa, monga sine wave, trapezoidal wave kapena square wave.