电饭锅是耗电较大的电器之一,如果选用和保养不当,就会使耗电量大增。 功率与用电 有人认为,电饭锅功率小的比功率大的省电,其实并非如此。一只电饭锅耗电量的多少,除了取决于它本身的功率大小外,还与煮熟同样数量的米饭所需用的时间多少有关。功率小,所用时间长,用电量就不一定少;相反,功率较大,但所用时间较短,用电量就不一定多。如:一只功率为500瓦的电饭锅煮熟1公斤米饭所用时间约30分钟,耗电量为0.5(千瓦)×0.5(小时)=0.25 Electric rice cooker is one of the larger electrical consumption, if improper selection and maintenance, it will greatly increase power consumption. Some people think that power and electricity, rice cooker power than small power saving, in fact, not the case. The amount of power a rice cooker consumes depends not only on its own power but also on the amount of time it takes to cook the same amount of rice. Power is small, long time, power consumption is not necessarily less; the opposite, the power is larger, but the time used is shorter, the power consumption is not necessarily more. Such as: a rice cooker with a power of 500 watts cooking time of about 1 kg cooked rice about 30 minutes, the power consumption of 0.5 (kW) × 0.5 (hours) = 0.25