Lub hnub ci inverter yog dab tsi thiab dab tsi yog lub zog ntawm lub inverter

Dab tsi yog ahnub ci inverter

Lub hnub ci AC lub zog tsim hluav taws xob yog tsim los ntawmhnub ci vaj huam sib luag, them xws li, inverter thiabroj teeb ; lub hnub ci DC lub zog tsim hluav taws xob tsis suav nrog lub inverter. Inverter yog lub zog hloov khoom siv. Inverters tuaj yeem muab faib ua tus kheej zoo siab oscillation inverter thiab cais zoo siab oscillation inverter raws li txoj kev excitation. Lub luag haujlwm tseem ceeb yog hloov lub zog DC ntawm lub roj teeb rau hauv AC lub zog. Los ntawm tag nrho-bridge Circuit Court, SPWM processor feem ntau yog siv rau kev hloov kho, lim dej, kev txhawb nqa hluav taws xob, thiab lwm yam kom tau txais sinusoidal AC lub zog uas phim lub teeb pom kev ntau zaus, ntsuas hluav taws xob, thiab lwm yam rau cov neeg siv khoom kawg. Nrog lub inverter, DC roj teeb tuaj yeem siv los muab AC lub zog rau cov khoom siv.

2. Hom ntawm inverter

 

(1) Classification los ntawm daim ntawv thov Scope:

 

(1) Ordinary inverter

 

DC 12V lossis 24V input, AC 220V, 50Hz tso zis, lub zog ntawm 75W txog 5000W, qee cov qauv muaj AC thiab DC hloov dua siab tshiab, uas yog, UPS muaj nuj nqi.

 

(2) Inverter / charger tag nrho-hauv-ib tshuab

 

Hauv nohom inverter, Cov neeg siv tuaj yeem siv ntau hom kev siv hluav taws xob rau lub zog AC loads: thaum muaj AC lub zog, lub zog AC yog siv los ua lub zog thauj khoom los ntawm inverter, lossis kom them lub roj teeb; Thaum tsis muaj hluav taws xob AC, lub roj teeb yog siv los ua lub zog AC load. . Nws tuaj yeem siv ua ke nrog ntau yam khoom siv hluav taws xob: roj teeb, generators, hnub ci vaj huam sib luag thiab cua turbines.

 

(3) Tshwj xeeb inverter rau kev xa ntawv thiab kev sib txuas lus

 

Muab cov khoom zoo 48V inverters rau kev xa ntawv thiab kev sib txuas lus, kev sib txuas lus. Nws cov khoom yog cov khoom zoo, muaj kev ntseeg siab, modular (module yog 1KW) inverter, thiab muaj N + 1 redundancy muaj nuj nqi thiab tuaj yeem nthuav dav (lub zog ntawm 2KW txog 20KW).

 

4) Tshwj xeeb inverter rau aviation thiab tub rog

Hom inverter no muaj 28Vdc input thiab muab tau cov nram qab no AC outputs: 26Vac, 115Vac, 230Vac. Nws cov zis zaus tuaj yeem yog: 50Hz, 60Hz thiab 400Hz, thiab cov zis hluav taws xob ntau ntawm 30VA txog 3500VA. Kuj tseem muaj DC-DC converters thiab zaus converters rau aviation.

(2) Kev faib tawm los ntawm cov zis waveform:

 

(1) Square wave inverter

 

AC voltage waveform tso zis los ntawm square yoj inverter yog ib tug square yoj. Lub inverter circuits siv los ntawm hom inverter no tsis zoo ib yam, tab sis qhov tshwm sim yog qhov Circuit Court yog qhov yooj yim thiab tus naj npawb ntawm lub hwj chim hloov raj siv me me. Lub zog tsim yog feem ntau ntawm ib puas watts thiab ib kilowatt. Qhov zoo ntawm square yoj inverter yog: yooj yim Circuit Court, pheej yig tus nqi thiab kho yooj yim. Qhov tsis zoo yog qhov square yoj voltage muaj ntau qhov kev txiav txim siab sib haum xeeb, uas yuav ua rau poob ntxiv hauv cov khoom siv thauj khoom nrog cov tub ntxhais hlau inductors lossis transformers, ua rau muaj kev cuam tshuam rau xov tooj cua thiab qee yam khoom siv sib txuas lus. Tsis tas li ntawd, hom inverter no muaj qhov tsis zoo xws li kev tswj hwm qhov hluav taws xob tsis txaus, kev tiv thaiv tsis tiav, thiab lub suab nrov.

 

2) kauj ruam yoj inverter

AC voltage waveform tso zis los ntawm hom inverter no yog ib kauj ruam nthwv dej. Muaj ntau ntau cov kab sib txawv rau lub inverter kom paub cov kauj ruam yoj tawm, thiab tus naj npawb ntawm cov kauj ruam hauv cov zis waveform sib txawv heev. Qhov kom zoo dua ntawm cov kauj ruam yoj inverter yog tias cov zis waveform yog qhov zoo dua piv rau cov square nthwv dej, thiab cov ntsiab lus siab sib haum xeeb raug txo. Thaum cov kauj ruam mus txog ntau tshaj 17, cov zis waveform tuaj yeem ua tiav quasi-sinusoidal yoj. Thaum siv transformerless tso zis, tag nrho efficiency yog siab heev. Qhov tsis zoo yog tias tus ntaiv nthwv dej superposition circuit siv ntau lub zog hloov cov raj, thiab qee cov ntawv hauv Circuit Court yuav tsum muaj ntau yam ntawm DC fais fab inputs. Qhov no ua rau muaj teeb meem rau kev sib koom ua ke thiab xaim ntawm lub hnub ci cell arrays thiab kev sib npaug ntawm cov roj teeb. Tsis tas li ntawd, lub staircase yoj voltage tseem muaj qee qhov kev cuam tshuam rau cov xov tooj cua thiab qee cov khoom siv sib txuas lus.

 

(3) Sine wave inverter

 

AC voltage waveform tso zis los ntawm sine yoj inverter yog sine yoj. Qhov zoo ntawm sine yoj inverter yog tias nws muaj qhov zoo tso zis waveform, tsis tshua muaj kev cuam tshuam, cuam tshuam me ntsis rau cov xov tooj cua thiab cov khoom siv sib txuas lus, thiab suab nrov tsawg. Tsis tas li ntawd, nws muaj kev tiv thaiv ua tiav thiab kev ua haujlwm siab tag nrho. Qhov tsis zoo yog: lub voj voog yog qhov nyuaj, yuav tsum tau siv tshuab ua haujlwm siab, thiab kim heev.

 

Kev faib tawm ntawm peb hom inverters saum toj no yuav pab tau rau cov neeg tsim qauv thiab cov neeg siv cov tshuab photovoltaic thiab cua tshuab hluav taws xob los txheeb xyuas thiab xaiv cov inverter. Qhov tseeb, inverters nrog tib lub waveform yog tseem txawv heev nyob rau hauv cov nqe lus ntawm Circuit Court hauv paus ntsiab lus, pab kiag li lawm siv, tswj txoj kev, thiab lwm yam.

 

3. Cov kev ua haujlwm tseem ceeb ntawm lub inverter

 

Muaj ntau yam tsis zoo thiab cov txheej txheem kev qhia txog kev ua haujlwm ntawm lub inverter. Ntawm no peb tsuas yog muab cov lus piav qhia luv luv ntawm cov txheej txheem kev siv feem ntau thaum ntsuas cov inverter.

1. Environmental tej yam kev mob rau kev siv ntawm lub inverter

 

Kev siv ib txwm siv ntawm lub inverter: qhov siab tsis tshaj 1000m, thiab huab cua kub yog 0 ~ + 40 ℃.

 

2. DC input zog tej yam kev mob

 

DC input voltage fluctuation ntau yam: ± 15% ntawm qhov ntsuas hluav taws xob ntawm lub roj teeb pob.

 

3. Rated tso zis voltage

 

Nyob rau hauv cov kev cai input fais fab tuag, lub inverter yuav tsum tso tawm qhov ntsuas voltage tus nqi thaum outputting lub ntsuas tam sim no.

 

Voltage fluctuation ntau yam: ib theem 220V ± 5%, peb theem 380 ± 5%.

 

4. Rated tso zis tam sim no

 

Nyob rau hauv qhov kev tso zis ntau zaus thiab lub zog thauj khoom, qhov ntsuas tam sim no tus nqi uas lub inverter yuav tsum tso tawm.

 

5. Rated tso zis zaus

 

Raws li cov xwm txheej tau teev tseg, qhov ntsuas qhov tso zis zaus ntawm qhov ntsuas zaus inverter yog 50Hz:

 

Kev hloov pauv ntau zaus: 50Hz ± 2%.

 

6. Qhov siab tshaj plaws harmonic cov ntsiab lus ntawmlub inverter

 

Rau sine yoj inverters, nyob rau hauv cov load resistive, lub siab tshaj plaws harmonic cov ntsiab lus ntawm cov zis voltage yuav tsum yog ≤10%.

 

7. Inverter overload muaj peev xwm

 

Nyob rau hauv cov xwm txheej tshwj xeeb, lub peev xwm inverter tso zis ntau tshaj qhov ntsuas tus nqi tam sim no hauv lub sijhawm luv luv. Lub peev xwm overload ntawm lub inverter yuav tsum ua tau raws li qee qhov yuav tsum tau ua raws li qhov teev tseg ntawm lub zog hluav taws xob.

 

8. Inverter efficiency

 

Nyob rau hauv qhov ntsuas tso zis voltage, tso zis, tam sim no thiab teev lub zog load, qhov piv ntawm inverter tso zis active zog rau lub input active zog (los yog DC zog).

 

9. Load zog yam

 

Qhov tso cai sib txawv ntawm lub inverter load fais fab kev pom zoo yog 0.7-1.0.

 

10. Load asymmetry

 

Nyob rau hauv 10% asymmetric load, lub asymmetry ntawm lub taag zaus peb-theem inverter tso zis voltage yuav tsum ≤10%.

 

11. Output voltage asymmetry

 

Nyob rau hauv ib txwm ua hauj lwm tej yam kev mob, lub load ntawm txhua theem yog symmetrical, thiab asymmetry ntawm cov zis voltage yuav tsum yog ≤5%.

 

12. Pib yam ntxwv

Raws li kev ua haujlwm ib txwm muaj, lub inverter yuav tsum muaj peev xwm pib ib txwm 5 zaug hauv kab hauv qab kev ua haujlwm puv thiab tsis muaj kev khiav haujlwm.

 

13. Kev tiv thaiv muaj nuj nqi

 

Lub inverter yuav tsum tau nruab nrog: kev tiv thaiv luv luv, tiv thaiv dhau tam sim no, kev tiv thaiv dhau-voltage, kev tiv thaiv qis dua thiab tiv thaiv theem poob.

 

15. Kev cuam tshuam thiab kev cuam tshuam

 

Lub inverter yuav tsum muaj peev xwm tiv thaiv electromagnetic cuam tshuam nyob rau hauv ib puag ncig nyob rau hauv ib txwm ua hauj lwm tej yam kev mob. Kev tiv thaiv kev cuam tshuam kev ua haujlwm thiab electromagnetic compatibility ntawm lub inverter yuav tsum ua raws li cov qauv tsim nyog.

 

16. suab nrov

 

Inverters uas tsis nquag ua haujlwm, saib xyuas thiab tswj xyuas yuav tsum yog ≤95db;

 

Inverters uas nquag ua haujlwm, saib xyuas thiab tswj xyuas yuav tsum yog ≤80db.

 

17. ua yeeb yam

 

Lub inverter yuav tsum tau nruab nrog cov ntaub ntawv tso saib rau cov tsis xws li AC tso zis voltage, tso zis tam sim no, thiab tso zis zaus, raws li zoo raws li lub teeb liab zaub rau input nyob, energized, thiab txhaum raws li txoj cai.

 

4. Txiav txim siab cov txheej txheem ntawm lub inverter:

 

Thaum xaiv lub inverter rau lub tshuab hluav taws xob photovoltaic / cua fais fab, thawj qhov yuav tsum tau ua yog los txiav txim siab cov txheej txheem tseem ceeb tshaj plaws ntawm inverter: input DC voltage ntau, xws li DC24V, 48V, 110V, 220V, thiab lwm yam.

 

Rated tso zis voltage, xws li peb-theem 380V lossis ib-theem 220V;

 

Tso zis voltage waveform, xws li sine yoj, trapezoidal yoj los yog square yoj.