Watt, W, W – in SI this unit of measure of power received the name in honor of the founder James Uatt. The watt as a measure of power was taken in 1889, before used hp – horsepowers. Superfluous will not know how power can be transferred to other units of measure.
It is required to you
- - calculator.
Instruction
1. For translation of electric power (occasionally speak thermal power) in any other unit of measure use data on a ratio of various units. For this purpose just multiply the set power number by the coefficient corresponding to that unit of measure to which you transfer. 1 Watt-hour corresponds 3.57 kJ; 1 Watt corresponds: 107 erg / with; 1 J / with; 859.85 cal/h; 0.00134 hp. For example, the organization specified number of 244.23 kW which should be transferred to calorie.244.23 of kW => 244.23 * 1000 W = 244.23 * 1000 * 859.85 => = 210,000,000 cal/h or 0.21 G of cal/h.
2. In the calculations connected with power usually use standard prefixes, especially, when the measured sizes too small or, on the contrary, big. It simplifies the calculations connected with a value order. The watt in itself practically is never used. Transfer multiple number to number of the whole form according to the scheme given below. 1 micro => 1*0.0000011 miles (m) => 1*0.0011 Santi (c) => 1*0.011 dets (d) => 1*0.11 sound board (da) => 1*101gekto () => 1*1001 kilograms (k) => 1*1 000 1 MEGA (M)=> 1*1 000 000 1 Gigabyte (G) => 1 * 1 000 000 000
3. Learn to what unit of measure of thermal energy it is necessary to transfer power. Possible options: J or Joule – unit of work and energy; Kcal (Calorie) – heat power unit, can be written down as just by kcal, and can look so – kcal/hour.