Communication DC power system mainly consists of a rectifier (to convert alternating current (AC) to direct current (DC)), batteries (for storing power), and a power supply (to be used in case of emergency). in case of emergency), DC power distribution equipment (used to. Communication DC power supply system mainly includes switching DC power supply system and linear DC power supply system. Suitable for systems that require high exchange rate of communication between two nodes. The communication power supply is the power supply that provides AC and DC power to the communication equipment, and is the energy guarantee for the entire. Core idea: A power system is a connected network of equipment that generates, transforms, transmits, distributes, protects, controls, measures, and uses electrical energy. Engineering use: Engineers study power system components to understand load flow, voltage control, fault isolation, equipment. An introduction to the fundamental model of communication, from the generation of the signal at the source through a noisy channel to reception of the signal at the sink. In. This lecture note outlines the principles of power systems communication and control, covering topics such as transmission line theory, power line communication (PLC), and control mechanisms for power generation.