| 摘要 |
PURPOSE:To provide a power consumption alarm which can deliver information related to power consumption to a user at a place where an apparatus is used. CONSTITUTION:An indoor distribution system for feeding power to electric apparatus of user through a breaker is provided with a power consumption measuring section 30 comprising sections 31a, 31b, 31c for measuring current flowing through breakers 20a, 20b, 20c, and a calculating section 33 for calculating power consumption based on the measurements of current and making a decision whether an alarm must be delivered based on the difference between the power consumption and the power capacity of the breaker. The distribution system is also provided with a section 50 for indicating the power consumption calculated at the section 30 and delivering an alarm of sound or light based on the decision results at the calculating section 33. |
