Chii Magetsi?

Vanhu vazhinji vakati kutaura kwakadaro chinhu sezvo Magetsi kureva simba. Zvisinei, kunyange chikoro wefizikisi kosi vakapiwa ruzivo kuti simba uye simba - iri pfungwa dzakasiyana, kunyange chokuita.

Pfungwa yokuti "simba" zvinoreva hunhu imwe chiitiko. Zvinokwanisika kusonganirana simba nevamwe chinhu. Chero chiito chaiko zvinogona kunzi simba. basa Perfect akadana sezvo vachipfuura simba rakaiswa nzira. Rinoitwa simba kwenguva yakati, ichava akaenzana simba. Saka, simba - ndiwo muviri yakawanda, akaenzana reshiyo basa, kuitirwa rimwe nguva imwe simba, iyi nguva.

Zvisinei, hatifaniri kukanganwa kuti simba chinonziwo nechiyero simba chipimo. Saka zvinoita kuti kufungawo okuti iri izwi anganzi uye yekupindurwa simba mune imwe system (simba kutendeuka zvazvingava).

Kunyange zvazvo mashoko uye tsanangudzo yakapiwa pamusoro anoenderana zvikuru zvokuimba simba, izvi zvose vanogona pfungwa dzakadai "simba yemagetsi". The yemudzimu kuitika uye voltage anonzi ano chinzvimbo. Sezvo pfungwa iyi kunobva zvakafanana pamusoro voltage uye pari, zvinganzi kuti zvakafanana simba yemagetsi inotengwa seapo guru kuitika uye pasi voltage uye panguva dzakakwirira voltages uye yakaderera dzenzvimbo. pfuma iyi ndiyo hwaro simba hutachiwana pamusoro refu kuburikidza nesimba miti, substations, transformers (rokurera richikwidibira), switchgear nezvimwe zvinoshandisa magetsi.

Electrical simba rakakamurwa mhando mbiri huru: reactive uye proactive. Active simba - anozivikanwa magetsi kushanduka kupinda dzimwe mhando simba (kupisa, inofamba, chiedza). Electrical simba unotaurwa watts or (W). Muupenyu hwezuva nezuva, simba iri kazhinji akayera mu kilowatts, uye zvinoshandiswa simba guru zvinomera uye hombe muzvikamu - Megawatts.

Reactive Magetsi inechirevo magetsi mutoro nenzira dzakasiyana-mano. It akaenzana zvibereko voltage donhwe mhiri uchishandisa kuitika uye Sine pakati Pasika kusuduruka angled (danho musiyano) pakati magetsi uye voltage inodonha. Reactive simba unotaurwa volt-amperes reactive (hadde).

Active simba inogona nechokuita wemagetsi simba kuburikidza pfungwa dzakadai "simba factor" - musiyano pakati kuitika kutotanga uye voltage. Nokuti vakawanda nemhuri midziyo yemagetsi iri cosine achava akaenzana anenge 0,8. Nokuti kudziyisa mano chinowanzoonekwa chaizvoizvo vamutsirwe kubatana.

Akayera yemagetsi nesimba rinokosha zano - simba mita. mudziyo akadaro ane windings maviri. Chokutanga gobvu waya hwakabatana vatengi kuti Magetsi, uye anoona kuchinja ano zvikuru. Wechipiri ichitenderera ine nhete waya uye zvakabatana muna newokuti zvakumbirwa voltage. Power zvinomera vanowanzoshandisa chinhu chakadai "yakaiswa Magetsi," rinova kuwanda ari yavose sezvavakatarirwa kugona zvose dzemagetsi michina orudzi rumwe chete kana mhando (somuenzaniso, transformers, emagetsi, Motors).