| 摘要 |
<p>The present invention is characterized in that is includes: a measurement apparatus that measures and displays power information in real time by performing two-way communication with a power source; an energy management apparatus which has a built-in security table including a plurality of security codes for transmitting encoded data to the measurement apparatus, and which supplies electricity to a home appliance on the basis of power information checked form a plurality of power sources and provided through the measurement apparatus; and a security enforcement means which has a plurality of built-in security tables, and checks a product code of the measurement apparatus or a home code of the energy management apparatus to update the security table when electricity connected to the energy management apparatus or to the measurement apparatus.</p> |
