Abstract: This paper presents a self-powered, non-intrusive monitoring (NIM) unit for voltage and current in a typical two-wire electrical system. This paper addresses two new aspects of an NIM unit.

The solar system designed for your home will likely have multiple panels that work together to meet your energy needs. Tesla solar inverts are 97.5% efficient, according to the company.

The antennas, designed using a meshing strategy, achieve 87% optical transparency and can be placed atop solar panels, creating a self-powered node that is 80% smaller than an equivalent planar array.

For a medium-sized lawn, I’d recommend the EGO LM1903E-SP Self-propelled Cordless Mower (£709), which I tested last year and also awarded 9/10, naming it my best lawn mower for ease of use. It ...