Kilowatt: yonke into ofuna ukuyazi

kilowatt

Xa sisenza isivumelwano sombane wekhaya lethu, kufuneka sithathele ingqalelo kilowatt. Le yiyunithi yamandla asetyenziswa ngokufanayo alingana ne-1000 watts. Kwakhona, i-watt yiyunithi yokunyusa inkqubo yamazwe ngamazwe elingana nejowule enye ngomzuzwana. Eli ligama elinika umdla kakhulu ukwazi ngakumbi malunga namandla ombane esisebenza kuwo.

Ngoko ke, siza kunikezela eli nqaku ukukuxelela yonke into omele uyazi malunga ne-kilowatt kunye neempawu zayo.

Yintoni i-kilowatt

iyure kilowatt

I-Kilowatt (kw) yiyunithi esetyenziswa ngokuqhelekileyo yamandla, ilingana ne-1000 watts (w). I-watt (w) yiyunithi yenkqubo yamazwe ngamazwe yamandla, elingana nejowule enye ngesekhondi. Ukuba sisebenzisa iyunithi esetyenziselwa umbane ukubonisa iiwatts, sinokuthi iiwatts zingamandla ombane aveliswa ngumahluko onokubakho we-volt eyi-1 kunye nomsinga we-1 amp (1 volt amp).

Iyure ye-watt (Wh) ikwayaziwa njengeyunithi yamandla. Iyure ye-watt yiyunithi ephathekayo yamandla, ilingana namandla aveliswa yi-watt enye yamandla kwiyure enye.

Iimpazamo ezinxulumene ne-kilowatt eziqhelekileyo

amandla ombane

I-Kilowatts ngamanye amaxesha ibhidaniswa kunye nezinye iiyunithi ezinxulumeneyo zokulinganisa.

Watt kunye Watt-yure

Amandla kunye namandla kulula ukubhidanisa. Amandla anokuthiwa yinqanaba apho amandla asetyenziswayo (okanye avelisiweyo). Iwathi enye ilingana nejoule enye ngesekhondi. Umzekelo, ukuba ibhalbhu yesibane esiyi-100 W ihlala ivuliwe kangangeyure, amandla asetyenzisiweyo ziiwatt-yure ezili-100 (W • h) okanye 0,1 kilowatt-iiyure (kW • h) okanye (60 × 60 × 100) 360.000 joules (J).

La mandla afanayo afunekayo ukwenza ibhalbhu ye-40W ilayite iiyure ezi-2,5. Umthamo womzi-mveliso ulinganiswa ngeewatts, kodwa amandla avelisiweyo ngonyaka alinganiselwa kwiiwatt iiyure.

Iyunithi yokugqibela ayifane isetyenziswe. Ngokuqhelekileyo iguqulelwa ngokuthe ngqo kwiiyure ze-kilowatt okanye iiyure ze-megawatt. Ikilowatt-yure (kWh) ayiyoyunithi yamandla. Iyure yekilowatt yiyunithi yamandla. Ngenxa yokutyekela ekusebenziseni iikilowatts endaweni yeeyure ze-kilowatt ukunciphisa ixesha lamandla, bahlala bebhidekile.

Watt-yure kunye Watt ngeyure

Ukusebenzisa isigama esingachanekanga xa kubhekiswa kumandla kwiiyure zekilowatt kunokubangela ukubhideka okungakumbi. Ukuba uyifunda njenge-kilowatt-yure okanye i-kWh, inokubhideka. Olu hlobo lwesixhobo lunxulumene nokuveliswa kwamandla kwaye lunokuvakalisa iimpawu zezityalo zamandla ngendlela enomdla.

Ezi ntlobo zeyunithi zingentla, ezifana neewathi ngeyure (W / h), zibonisa ukukwazi ukutshintsha amandla ngeyure. Inani leewathi ngeyure (W / h) lingasetyenziselwa ukubonisa isantya sokunyuka kwamandla omzi-mveliso wamandla. Umzekelo, isixhobo sombane ukuba ifikelela 1 MW ukusuka zero ukuya 15 imizuzu unomlinganiselo ukwanda kwamandla okanye isantya 4 MW / iyure.

Amandla ezityalo zombane wamanzi akhula ngokukhawuleza, okwenza ukuba afaneleke kakhulu ukuphatha imithwalo ephezulu kunye neemeko ezingxamisekileyo. Uninzi lwemveliso yamandla okanye ukusetyenziswa kwexesha kubonakaliswa kwiiyure ze-terawatt ezisetyenzisiweyo okanye ezenziweyo. Ixesha elisetyenziswayo lidla ngokuba ngunyaka wekhalenda okanye unyaka wemali. Iyure enye yeterawatt ilingana ne-114 yeemegawathi zamandla asetyenzisiweyo (okanye aveliswayo) ngokuqhubekayo kunyaka omnye.

Ngamanye amaxesha amandla asetyenzisiweyo enyakeni aya kulungelelaniswa, emele amandla afakiweyo, okwenza kube lula kummkeli wengxelo ukuba abone ukuguqulwa. Umzekelo, ukusetyenziswa rhoqo kwe-1 kW ngonyaka kuya kukhokelela kwimfuno yamandla emalunga nama-8.760 kW • h / ngonyaka. Iminyaka yeWatt ngamanye amaxesha iyaxoxwa kwiinkomfa malunga nokufudumala kwehlabathi kunye nokusetyenziswa kwamandla.

Umahluko phakathi kwamandla kunye nokusetyenziswa kwamandla

Kwiincwadi ezininzi zefiziksi, uphawu W lufakiwe ukubonisa umsebenzi (ukusuka kwigama lesiNgesi elithi work). Olu phawu kufuneka lwahlulwe kwiiyunithi kwiiwatts (umsebenzi / ixesha). Ngokuqhelekileyo, ezincwadini, imisebenzi ibhalwa ngonobumba W ngoonobumba abakekeleyo okanye efana nomzobo wasimahla.

Amandla abonakaliswa kwii-kilowatts. Njengokuba, izixhobo zasekhaya. Amandla amele amandla afunekayo ekusebenzeni isixhobo. Ngokuxhomekeke ekusebenzeni okunikezelwe sesi sixhobo, sinokufuna amandla amaninzi okanye amancinci.

Enye inkalo kukusetyenziswa kwamandla. Ukusetyenziswa kwamandla kubalwa ngeekilowatt iiyure (kWh). Eli xabiso lixhomekeke kubungakanani bamandla asetyenziswa isixhobo ngexesha elithile kunye nokuba sisebenzisa ixesha elingakanani amandla.

Imvelaphi kunye nembali

uJames watt

I-watt yathiywa ngegama lesazinzulu saseScotland uJames Watt ekuthatheni ingqalelo igalelo lakhe kuphuhliso lweenjini zomphunga. Iyunithi yokulinganisa yavunywa yiNkongolo yesiBini yoMbutho waseBrithani woPhuculo lweNzululwazi ngo-1882. Oku kuqatshelwa kuhambelana nokuqala kokuthengiswa kwamanzi kunye nokuveliswa kwe-steam.

INkongolo yeshumi elinanye yeMilinganiselo kunye neMilinganiselo ngo-1960 yamkele le yunithi yomlinganiselo njengeyunithi yomlinganiselo wamandla kwiNkqubo yeeYunithi zaMazwe ngaMazwe (SI).

Amandla ombane

Amandla sisixa samandla esiveliswayo okanye esisetyenzisiweyo kwiyunithi nganye yexesha. Eli xesha linokulinganiswa ngemizuzwana, imizuzu, iiyure, iintsuku ... kwaye amandla alinganiswa ngeejoules okanye iiwatts.

Amandla aveliswa ngeendlela zombane alinganisa amandla okwenza umsebenzi, oko kukuthi, naluphi na uhlobo "lomzamo". Ukuwuqonda ngcono, masibeke imizekelo elula yomsebenzi: ukufudumeza amanzi, ukuhambisa i fan, ukuvelisa umoya, ukuhamba, njl. Konke oku kufuna umsebenzi okwaziyo ukoyisa imikhosi echasayo, amandla anjengomxhuzulane, amandla okruthakruthwano emhlabeni okanye emoyeni, amaqondo obushushu sele ekhona kwindalo esingqongileyo ... kwaye loo msebenzi ukwimo yamandla (amandla ombane, thermal, umatshini ...).

Ubudlelwane obusekiweyo phakathi kwamandla kunye namandla lizinga asetyenziswa ngalo amandla. Oko kukuthi, indlela amandla alinganiswa ngayo kwiijowuli ezisetyenzisiweyo ngeyunithi yexesha. NgoJulayi ngamnye osetyenziswayo ngesekondi enye yiwatt (watt), ke le yiyunithi yomlinganiselo wamandla. Kuba i-watt iyiyunithi encinci kakhulu, iikilowatts (kW) zidla ngokusetyenziswa. Xa ubona i-bill yombane, izixhobo zombane njalo njalo, ziya kungena nge-kW.

Ndiyathemba ukuba ngolu lwazi unokufunda ngakumbi malunga ne-kilowatt kunye neempawu zayo.


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