Harmonic maitiro emagetsi ekugovera masisitimu mumanisipala, chipatara, chikoro uye zvimwe zvivakwa

Senzvimbo yakasarudzika, zvipatara zvinoshandisa akawanda emagetsi engineering.Kuburikidza nekuunganidza dhata uye hombe yekuongorora data chikuva cheakasiyana emagetsi emagetsi mukiriniki yechipatara, yepakati uye chaiyo-nguva kuongororwa kweakasiyana magetsi paramita emagetsi emidziyo yemagetsi anoitwa, uye zvichibva pane akajairwa kukosha uye chaiwo kukosha kweakasiyana magetsi emagetsi paramita Kuenzanisa. maparameter akadai kukosha uye nguva yekumhanya kugadzirisa uye kuverenga., zviri nyore kudhirowa mepu yekushata yemidziyo yemagetsi, kutora matanho ekutanga ekuzivisa ruzivo, uye nekukasira kubvisa njodzi dzakavanzika.

img

Mitemo pamagetsi ekupa uye kugovera sisitimu yezvipatara zvemazuva ano zvakakura uye zvepakati nepakati haina kuganhurirwa pakushanda uye kuvimbika kwemagetsi, asi iyo chaiyo-nguva simba, simba rekupa mhando, kuvuza ikozvino uye main line tembiricha yekugovera magetsi. midziyo inogona kutariswa zvine hungwaru, uye iwo makuru paramita emagetsi emagetsi anogona kucherechedzwa.kuchinja uye zvakasiyana-siyana anomalies.Uye zvakare, iyo yakanyanya kukosha yemaparamendi akaganhurirwa neiyo sisitimu inogona kuona dzakasiyana siyana dzekuchengetedza njodzi nguva isati yasvika, uye zvakare inogona kubata mugadziri wemahara pamhepo kugadzirisa zvakajairika mapoinzi munguva, kugadzirisa mashandiro ekugadzirisa, uye kugadzira Iyo yechinyakare magetsi magetsi uye. hurongwa hwekugovera hungwaru uye nyanzvi.
Yechipiri ndiyo mamiriro ekugadzirisa uye magetsi emagetsi emagetsi ekukurumidzira.Chisungo 3.0.3 cheyakajairwa nekambani yedu GB50052-2009 "Code yeKugadzira Power Distribution System" inotaura kuti magetsi echimbichimbi anofanirwa kuwedzerwa kune akanyanya kukosha mutoro mumutoro wekutanga, uye hurongwa hwemagetsi ekukurumidzira hwakatsaurirwa iyo inonyanya kukosha mutoro mumutoro wekutanga.Svika mamwe mitoro.Zvisinei, JGJ312-2013 "Electrical Design Standards for Medical Buildings" inowedzera basa reEPS simba rekukurumidzira uye chiyero chemagetsi ekugadzirisa magetsi kune "general medical treatment process uye chipatara moto evacuation", iyo inopesana ne "kurambidzwa kwekubatanidza mamwe mitoro kune." EPS emergency power system software ”” Zvinosungirwa zvinodiwa.
Kuremerwa kwezvivakwa zvechipatara kwawedzera kuoma.Air conditioners, makomputa, UPS magetsi ekushandisa, nezvimwe kwete chete kuwedzera pulse ikozvino, asiwo kuratidza kushanduka kwehunhu.Kusvika ikozvino, yakagadziriswa capacitance muripo kana capacitor mabhanga ane contactors akadimburwa anowanzo shandiswa muzvivako, asi munzvimbo dzakakwirira dzeharmonic, zvakaoma kuti zvigadziriso zviripo zvemuripo zvipindure kune zvikumbiro zvemuripo, uye midziyo iripo yekubhadhara capacitance inokudza Higher harmonics inobatwa ne kuchengetedzwa kwemudziyo wekuripa pachawo.

Mushandisi Kukosha kweReactive Power Compensation uye Harmonic Control
Reactive simba kusvika pachiyero, kudzivirira simba factor chirango;
Kuchengetedza magetsi
Inhibisa kusimba kweharmonics uye kuwedzera hupenyu hwebasa remidziyo yemagetsi muchivako.

Matambudziko aungasangana nawo?
1. Kune mitoro yakawanda-chikamu chimwe chete.Single-phase load inokonzeresa zero-sequence pulse current, uye ichakonzera matatu-phase unbalance and three-phase phase musiyano.
2. Chiyero chemutoro usina mutsara wakakwirira, uye harmonic kukanganisa chiyero che harmonic sosi yakakura.
3. Michina yakawanda yakangwara uye yemagetsi mukuvaka kugovera magetsi ine zvinodiwa zvakanyanya pamhando yemagetsi emagetsi, kunyanya inonzwisisika kune harmonics.

Mhinduro yedu:
1. Shandisa iyo kambani static kuchengetedza muripo muripo mudziyo kubhadhara reactive simba regadziriro, uye zvine musoro kugadzirisa reactance mwero maererano harmonic mamiriro ezvinhu kudzivirira harmonic amplification;
2. The Hongyan static kuchengeteka muripo mudziyo anotora yakavhenganiswa muripo nzira matatu-chikamu muripo uye akaparadzana muripo kuzadzisa muripo zvinodiwa matatu-chikamu kusaenzana kwegadziriro;
3. Iko kushandiswa kwakasanganiswa kweanoshanda sefa 2000 uye static kuchengetedza muripo wemuripo Hongyan TBB inogona kugadzirisa harmonic pesvedzero yesimba remanisiparati yekugovera simba, kuderedza kurasikirwa kwehurongwa, uye kuita kuti simba rekugovera simba rifambe zvakachengeteka uye nemazvo, kunyanya kune magetsi ekuchengetedza zvinodiwa. zvine musoro kune vashandisi vepamusoro.


Nguva yekutumira: Kubvumbi-13-2023