I-Calculator ye-Electric Power
Umandla nge-watts, kW ne horsepower — kanye nokusetshenziswa kwe-energy kanye nezindleko zokuqhuba.
Iziphetho zivuselelwa uma ubhala.
Malunga nale khadi
Electrical power is the rate at which a device converts electrical energy, measured in watts. For a DC or purely resistive load it is simply voltage times current, P = V × I. For an AC load with a power factor below 1 — motors, transformers and other inductive loads — the real power that does useful work is P = V × I × PF, while the product V × I alone gives the larger apparent power in volt-amperes. This calculator reports the power in watts, kilowatts and mechanical horsepower, using 1 hp = 745.7 W.
As a worked example, a device on a 120 V circuit drawing 10 A at unity power factor uses P = 120 × 10 = 1,200 W, which is 1.2 kW or about 1.61 hp. If instead it were a motor with a 0.8 power factor, the real power would fall to 120 × 10 × 0.8 = 960 W even though it still draws the same 10 A. Divide watts by 745.7 to convert to horsepower, or by 1,000 to get kilowatts.
The advanced usage fields turn power into running cost. Daily energy in kilowatt-hours is the power in kW multiplied by the hours used per day; multiply by your price per kWh for the daily cost and by 30 for a monthly estimate. A 1.2 kW load run 4 hours a day uses 4.8 kWh daily, about 144 kWh a month, which at $0.15/kWh is roughly $21.60 a month — the kind of figure that helps compare appliances, size a generator or budget a workshop.
Imibuzo ebuzwa kaningi
Yini ifomula ye-electric power?
Umandla ongempela nge-watts yi-P = V × I × PF. U-DC noma u-resistive load umphumela wokusebenza wu-1, ngakho-ke amandla alula ukucindezela izikhathi ezikhona.
Ingabe kune-watts eminingi emoto?
Imoto eyodwa ye-mechanical horsepower ilingana ne-745.7 watts, ngakho-ke 1492 W load ilingana ne-2 hp. Yabelana ama-watts nge-745.7 ukushintsha.
Indlela izindleko ezihambayo ezisebenza ngayo?
Ugesi lwansuku zonke lunamandla (kW) × amahora ngosuku, nge-kWh. Ukuphindaphinda ngezinsuku ezingama-30 kanye nentengo yakho nge-kWh ukubikezela izindleko zonyaka.
Yini i-power factor futhi ngiyiguqula nini?
Umphumela we-power wungxenye ye-power ebonakalayo (V × I) eyenza umsebenzi ongempela. I-1 i-DC ne-resistive loads njenge-heater ne-incandescent bulbs, kodwa i-drops ifinyelela ku-0.7-0.9 yamamoto nama-electronic supplies amaningi, ekunciphisa ama-watts angempela.
Yini ushintsho phakathi kwe-watts ne-volt-amperes?
Ama-watts anamandla angempela (V × I × PF); ama-volt-amperes anamandla abonakalayo (V × I) ngaphandle kokulungisa i-power-factor. Ukufaka okumelanayo kulingana, kodwa ukufaka okuphendulayo i-VA rating iphakeme, ngakho-ke i-generator ne-UPS ratings zinikezwa ku-VA.
Ngiguqula kanjani ama-watts abe amandla e-horsepower?
Yabelana ama-watts ngo-745.7. Ngakho-ke, i-1,200 W ilingana ne-1.61 hp, futhi imoto engu-1 hp ithola cishe i-746 W ye-mechanical-elinganayo (i-electrically, uma ilahlekile).
API — sebenzisa le calculator kusuka kukhodi
Nquma le calculator njenge JSON evulekile yendawo yokuqeda - akukho isithonjana esidingekayo. Thumela amaxabiso endawo ngezansi njengezilungiselelo zombuzo noma i-JSON. Noma yini ongayishiya isebenzisa iphutha elifanayo elifakwe ngaphambili lekhasi; ipharamitha engaziwa yi-400, ayikho i-zero emnyama. Funda i-API egcwele →
Ingxenye yendawo
GET https://calculator.free/api/v1/electrical-power/curl
curl "https://calculator.free/api/v1/electrical-power/?voltage=120¤t=10"JavaScript fetch()
const r = await fetch(
"https://calculator.free/api/v1/electrical-power/?" + new URLSearchParams({
"voltage": "120",
"current": "10"
}));
const data = await r.json();
console.log(data.results);Izibalo ziyisilinganiso esisetshenziswa ukuqondisa kuphela, hhayi ukucebisa ngezimali, ukwelashwa noma ukukhokha.