| 摘要 |
<p>The present invention relates to a method for providing the comparison information of a photovoltaic power generation amount and a power consumption amount for saving energy and a system thereof. The present invention includes a photovoltaic inverter which converts the electric energy of DC into the electric energy of AC and supplies the electric energy of the AC to various loads, a first watt hour meter (WHM#1) which is connected to the photovoltaic inverter and measures the amount of power inputted through the photovoltaic power generation, a second watt hour meter (WHM#2) which measures the power consumption amount of the load of a consumer, a communication module which transmits a first watt hour value and a second watt hour value to a monitoring device of the consumer, and the monitoring device of the consumer which displays event information on an output unit when the event information about a ground fault accident is received.</p> |
