Electricity usage monitors — or power meters — are widely available online and in most hardware stores.The devices are inexpensive, easy to use, and can determine the actual electricity consumption of 120V household appliances.With most models, you simply plug the monitor into the AC outlet ...
In recent years, the rise in energy consumption has underscored the importance of renewable energy, and technologies like photovoltaic and wind power have seen rapid development. In renewable energy power generation, the inverter is an important device between green energy sources and the power grid ...