Information

  
Internationales Einheitensystem
Eaton Schaltungsbuch 06/11
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10
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SI-Einheit: J (Joule)
Nm (Newtonmeter)
SI-Einheit:
(wie bisher)
Ws (Wattsekunde)
kWh (Kilowattstunde)
bisherige Einheit: kcal (Kilokalorie) = cal · 10
–3
1 Ws = 1 J=1 Nm 10
7
erg
1 Ws = 278 · 10
–9
kWh = 1 Nm = 1 J = 0,102 kpm = 0,239 cal
1 kWh = 3,6 · 10
6
Ws = 3,6 · 10
6
Nm = 3,6 · 10
6
J = 367 · 10
6
kpm = 860 kcal
1 Nm = 1 Ws = 278 · 10
–9
kWh=1 J = 0,102 kpm = 0,239 cal
1 J=1 Ws = 278 · 10
–9
kWh=1 Nm = 0,102 kpm = 0,239 cal
1 kpm = 9,81 Ws = 272 · 10
–6
kWh=9,81 Nm = 9,81 J = 2,34 cal
1 kcal = 4,19 · 10
3
Ws = 1,16 · 10
–3
kWh=4,19 · 10
3
Nm = 4,19 · 10
3
J = 427 kpm
SI-Einheit: Nm/s (Newtonmeter/s)
J/s (Joule/s)
SI-Einheit:
(wie bisher)
W (Watt)
kW (Kilowatt)
bisherige Einheit: kcal/s (Kilokalorie/Sek.) = cal/s · 10
3
kcal/h (Kilokalorie/Std.) = cal/h · 10
6
kpm/s (Kilopondmeter/Sek.)
PS (Pferdestärke)
1 W=1 J/s=1 Nm/s
1 W=10
–3
kW = 0,102 kpm/s = 1,36 ·10
–3
PS = 860 cal/h = 0,239 cal/s
1 kW = 10
3
W = 102 kpm/s = 1,36 PS = 860 ·10
3
cal/h = 239 cal/s
1 kpm/s=9,81 W=9,81 · 10
–3
kW = 13,3 ·10
–3
PS = 8,43 ·10
3
cal/h = 2,34 cal/s
1 PS = 736 W=0,736 kW = 75 kpm/s = 632 · 10
3
cal/h = 176 cal/s
1 kcal/h = 1,16 W=1,16 · 10
–3
kW = 119 · 10
–3
kpm/s = 1,58 ·10
–3
PS = 277,8 · 10
–3
cal/s
1 cal/s=4,19 W=4,19 · 10
–3
kW = 0,427 kpm/s = 5,69 · 10
–3
PS = 3,6 kcal/h