Kilowatt: zonse zomwe muyenera kudziwa

kilowatt

Pamene tipanga mphamvu yamagetsi ya nyumba yathu, tiyenera kuganizira kilowatt. Ichi ndi gawo la mphamvu zomwe zimagwiritsidwa ntchito mofanana zomwe zimafanana ndi 1000 watts. M'malo mwake, watt ndi gawo lolimbikitsa machitidwe apadziko lonse lapansi ofanana ndi joule imodzi pa sekondi. Iyi ndi nthawi yosangalatsa kwambiri kuti tidziwe zambiri za mphamvu zamagetsi zomwe timapanga.

Chifukwa chake, tipereka nkhaniyi kuti tikuuzeni zonse zomwe muyenera kudziwa za kilowatt ndi mawonekedwe ake.

Kilowatt ndi chiyani

kilowatt ola

Kilowatt (kw) ndi mphamvu yomwe imagwiritsidwa ntchito nthawi zambiri, yofanana ndi 1000 watts (w). Watt (w) ndi mphamvu yapadziko lonse lapansi, yofanana ndi joule imodzi pamphindikati. Ngati tigwiritsa ntchito gawo lamagetsi pofotokozera ma watts, titha kunena kuti ma watts ndi mphamvu yamagetsi yomwe imapangidwa ndi kusiyana kwa 1 volt ndi mphamvu ya 1 amp (1 volt amp).

Ola la watt (Wh) limadziwikanso kuti gawo la mphamvu. Ola la watt ndi gawo lothandizira la mphamvu, lofanana ndi mphamvu yopangidwa ndi watt imodzi ya mphamvu mu ola limodzi.

Zolakwika zodziwika za kilowatt

mphamvu yamagetsi

Ma Kilowatts nthawi zina amasokonezeka ndi mayunitsi ena ofananira.

Ola la Watt ndi Watt

Mphamvu ndi mphamvu ndizosavuta kusokoneza. Mphamvu zitha kunenedwa kuti ndi kuchuluka kwa mphamvu zomwe zimagwiritsidwa ntchito (kapena zopangidwa). Watt imodzi ndi yofanana ndi joule imodzi pa sekondi. Mwachitsanzo, ngati nyali ya 100 W ingokhala ola limodzi, mphamvu yogwiritsidwa ntchito ndi 100 watt-hours (W • h) kapena 0,1 kilowatt-hours (kW • h) kapena (60 × 60 × 100) 360.000 joules (J).

Izi ndi mphamvu zomwezo zomwe zimafunikira kuti babu ya 40W iwala kwa maola 2,5. Mphamvu ya fakitale yopangira magetsi imayesedwa ndi ma watts, koma mphamvu yomwe imapangidwa chaka chilichonse imayesedwa ndi maola a watt.

Chigawo chomaliza sichimagwiritsidwa ntchito kawirikawiri. Nthawi zambiri amasinthidwa mwachindunji ku maola a kilowatt kapena maola a megawatt. Kilowatt-hour (kWh) si gawo la mphamvu. Ola la kilowatt ndi gawo la mphamvu. Chifukwa cha chizolowezi chogwiritsa ntchito kilowatts m'malo mwa kilowatt maola kuti afupikitse mawu amphamvu, nthawi zambiri amasokonezeka.

Watt ola ndi Watt pa ola limodzi

Kugwiritsa ntchito mawu olakwika ponena za mphamvu mu maola a kilowatt kungayambitse chisokonezo china. Mukawerenga ngati kilowatt-hours kapena kWh, zitha kusokoneza. Chipangizo chamtunduwu chimagwirizana ndi kupanga magetsi ndipo chimatha kufotokoza makhalidwe a zomera zamagetsi m'njira yosangalatsa.

Mitundu yomwe ili pamwambapa, monga ma watts pa ola (W / h), ikuwonetsa kuthekera kosintha mphamvu pa ola limodzi. Chiwerengero cha Watts pa ola (W / h) chingagwiritsidwe ntchito kuwonetsa kuchuluka kwa mphamvu yamagetsi. Mwachitsanzo, magetsi kuti kufika 1 MW kuchokera ziro kwa mphindi 15 ali ndi mlingo wa kuwonjezeka mphamvu kapena liwiro 4 MW / ola.

Mphamvu za zomera zopangira magetsi amadzi zikukula mofulumira kwambiri, zomwe zimawapangitsa kukhala abwino kwambiri kuti azitha kunyamula katundu wambiri komanso zochitika zadzidzidzi. Mphamvu zambiri zopanga kapena kugwiritsidwa ntchito munthawi yake zimawonetsedwa m'maola a terawatt omwe amadyedwa kapena kupangidwa. Nthawi yomwe imagwiritsidwa ntchito nthawi zambiri imakhala chaka cha kalendala kapena chaka chandalama. Ola limodzi la terawatt akufanana ndi pafupifupi ma megawati 114 a mphamvu zomwe zimagwiritsidwa ntchito (kapena zopangidwa) mosalekeza m'chaka chimodzi.

Nthawi zina mphamvu zomwe zimagwiritsidwa ntchito m'chaka zimakhala zoyenerera, zomwe zimayimira mphamvu zomwe zimayikidwa, zomwe zimapangitsa kuti zikhale zosavuta kwa wolandira lipoti kuti awone kutembenuka. Mwachitsanzo, kugwiritsa ntchito 1 kW mosalekeza pachaka kumapangitsa kuti pakhale mphamvu yamagetsi pafupifupi 8.760 kW • h/chaka. Zaka za Watt nthawi zina zimakambidwa pamisonkhano yokhudza kutentha kwa dziko ndi kugwiritsa ntchito mphamvu.

Kusiyana pakati pa mphamvu ndi kugwiritsa ntchito mphamvu

M'mabuku ambiri a physics, chizindikiro W chikuphatikizidwa kuti chisonyeze ntchito (kuchokera ku mawu a Chingerezi). Chizindikirochi chiyenera kusiyanitsidwa ndi mayunitsi mu watts (ntchito / nthawi). Nthawi zambiri, m'mabuku, ntchito zimalembedwa ndi chilembo W mu zilembo kapena zofanana ndi zojambula zaulere.

Mphamvu imawonetsedwa mu kilowatts. Mwachitsanzo, zida zapakhomo. Mphamvu imayimira mphamvu yofunikira kuti chipangizocho chigwiritse ntchito. Kutengera ndi momwe chipangizochi chimagwirira ntchito, chitha kufuna mphamvu zochulukirapo kapena zochepa.

Mbali ina ndikugwiritsa ntchito mphamvu. Kugwiritsa ntchito mphamvu kumayesedwa mu maola a kilowatt (kWh). Mtengowu umadalira mphamvu zomwe chipangizochi chimawononga panthawi inayake komanso nthawi yayitali bwanji.

Chiyambi ndi mbiriyakale

James watt

Watt adatchedwa wasayansi waku Scotland James Watt pozindikira kuthandizira kwake popanga injini za nthunzi. Chigawo cha muyeso chinavomerezedwa ndi Second Congress of the British Association for the Advancement of Science mu 1882. Kuzindikira uku kunagwirizana ndi chiyambi cha malonda a madzi ndi kupanga nthunzi.

Bungwe la Eleventh Congress of Weights and Measures mu 1960 lidatengera gawo la kuyeza kumeneku ngati gawo la kuyeza mphamvu mu International System of Units (SI).

Mphamvu yamagetsi

Mphamvu ndi kuchuluka kwa mphamvu yomwe imapangidwa kapena kugwiritsidwa ntchito pagawo lililonse la nthawi. Nthawi iyi itha kuyezedwa mumasekondi, mphindi, maola, masiku ... ndipo mphamvu imayesedwa mu ma joules kapena watts.

Mphamvu zomwe zimapangidwa kudzera munjira zamagetsi zimayesa kuthekera kopanga ntchito, ndiye kuti, "kuyesetsa" kwamtundu uliwonse. Kuti timvetse bwino, tiyeni tiike zitsanzo zosavuta pantchito: kutentha madzi, kusuntha masamba a fan, kupanga mpweya, kusuntha, ndi zina zambiri. Zonsezi zimafuna ntchito yomwe imatha kuthana ndi zotsutsana, mphamvu monga mphamvu yokoka, mphamvu yakusokonekera ndi nthaka kapena mpweya, kutentha komwe kulipo kale m'chilengedwe ... matenthedwe, makina ...).

Ubale wokhazikitsidwa pakati pa mphamvu ndi mphamvu ndi mlingo umene mphamvu zimagwiritsidwira ntchito. Ndiko kuti, momwe mphamvu imayesedwera mu ma joules omwe amagwiritsidwa ntchito pa nthawi imodzi. Julayi iliyonse yomwe imagwiritsidwa ntchito pa sekondi imodzi ndi watt imodzi (watt), kotero ichi ndi gawo la muyeso wa mphamvu. Popeza watt ndi gawo laling'ono kwambiri, ma kilowatt (kW) amagwiritsidwa ntchito. Mukawona bilu yamagetsi, zida ndi zina, zibwera mu kW.

Ndikukhulupirira kuti ndi chidziwitso ichi mukhoza kuphunzira zambiri za kilowatt ndi makhalidwe ake.


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