Rectifier，Rectifier Transformer，rectifier regulator，dc rectifier，power rectifier What is a rectifier? Before we get into the various types of rectifiers, let's first define what a rectifier actually is. A rectifier converts alternating current (called AC), into direct current (DC). DC flows only in one direction, while AC reverses its direction periodically. Rectifiers permit current to flow in one direction. Rectifiers convert AC voltages into high-quality DC voltages for telecoms equipment. Mains power is required for conventional telecommunications equipment, but DC input power is needed for conventional equipment. These power systems are composed of multiple rectifiers that convert AC to DC, so they can function. It is difficult to configure your ideal system without the correct rectifiers. Because they offer an optimal solution for every application, they are the heartbeat of the power system. You can customize your power system by using rectifiers without needing to replace every component. half wave and full wave rectification. Half-wave rectifiers convert half of an AC input cycle into a pulsed DC output. This blocks half of the AC input cycle while allowing for half. This half-cycle can either be positive or negative. This rectifier is the most simple, as it only uses one diode.