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Minihåndbog for el-installatører og elektrikere - Lauritz Knudsen

Minihåndbog for el-installatører og elektrikere - Lauritz Knudsen

Minihåndbog for el-installatører og elektrikere - Lauritz Knudsen

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Effekt (arbejde pr. tidsenhed)<br />

Enhed Watt Kilowatt Hestekraft Kilopond- Kilo- British<br />

(Joule/s) meter/s kalorier/s Thermal<br />

Unit/s<br />

W (J/s) kW hk kpm/s kcal/s B.t.u./s<br />

1 W (J/s) = 1 1 · 10· 3 0,136 · 10· 2 0,102 0,239 · 10· 3 0,948 · 10· 3<br />

1 kW = 1000 1 1,36 102 0,2389 0,948<br />

1 hk = 735,3 0,7353 1 75 0,1757 0,697<br />

1 kpm/s = 9,81 0,981 · 10· 2 0,0133 1 0,234 · 10· 2 0,929 · 10· 2<br />

1 kcal/s = 4186 4,186 5,69 427 1 3,97<br />

B.t.u./s = 1055 1,055 1,434 107,6 0,252 1<br />

Enheder <strong>for</strong> kraft: 1 newton (N) = 1 = 105 kgm<br />

dyn 0,102 kp<br />

S2

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