摘要 |
An electrical device 5a-5n has a readable energy profile associated with it, which may be stored electronically in or external to the device 6a-6n. The profile may contain data including the device s 5a-5n ability to store power, standby power consumed by the device 5a-5n, and time of use. The profile may be used to control or organise power allocated to the device 5a-5n. The profile may be read by a control means 1 on a power supply 2 or data network connected to the device 5a-5n. |