Device for removing stand-by power, system for management of stand-by power using the same device and method for management of stand-by power using the same

摘要

The present invention is a power management device, relates to power management, power management system and method using it with this, Specifically, the power management device, the external power connection connected to the external power source, the load connection is connected to the external load, a measurement unit for measuring the power supplied to the load from the power source, the power measured by the measuring section In this case, corresponding to a predetermined range corresponding to the message or the information on the power according to the control and the control of the control unit that controls to display the image outside the predetermined range assigned to a given or predetermined in a predetermined range and characterized in that it comprises a display unit to display images. May further include a communication unit for transmitting the measured power is the power management device by said measuring unit, to the outside of the information processing apparatus via a wired or wireless communication network. Further, where the power management unit may be further connected to the external power connection and the load connection, and further comprising a power block to cut off the power supply from the power supply if the power is less than a predetermined value is supplied to the load, .