In this video, I walk you through the step-by-step repair of a faulty 5V power supply. From diagnostics to replacing ...

A dual mode traction power supply system (TPSS), as a high-efficiency transportation approach, is composed of a mainline railway (AC traction power supply system) and an urban railway (DC traction ...

This paper presents a power supply of self-powered online monitoring systems for power cords. The proposed power supply obtains energy from the magnetic field induced by wire-carrying currents using a ...