What is a DC screen? The function of DC screen-Industry dynamics-Yantai Haibo Electrical Equipment Co., Ltd-Haibo Electric

What is a DC screen? The function of DC screen

DC screen is the abbreviation for DC power operating system. The universal name is Intelligent Maintenance-free DC Power Supply Screen, abbreviated as DC Screen, and the universal model is GZDW, and DC Screen is used to supply this type of DC power.The power operation power supply in power plants and substations currently uses DC power supply, which provides power for controlling loads, power loads, and DC accident lighting loads, and is the foundation of contemporary power system control and protection. The DC screen consists of an AC distribution unit, a charging module unit, a step-down silicon chain unit, a DC feeding unit, a distribution monitoring unit, a monitoring module unit, and an insulation monitoring unit. Mainly used in small and medium-sized power plants, hydropower stations, various substations, and other users who use DC equipment (such as petrochemicals, mines, railways, etc.) in the power system, suitable for instruments, meters, relay protection, and fault lighting in switch opening and closing and secondary circuits.DC screen is a new type of digital control, protection, management, and measurement DC system. The monitoring host is highly integrated and adopts a single board structure (All in one), which includes functions such as insulation monitoring, battery inspection, grounding selection, battery activation, silicon chain voltage regulation, and microcomputer central signal. The host is equipped with a large LCD touch screen, and various operating states and parameters are displayed in Chinese characters. The overall design is convenient and simple, with a friendly human-machine interface, which is in line with user habits. The DC screen system provides powerful functions for remote detection and control, and has remote control, remote adjustment, telemetry, remote signaling functions, and remote communication interfaces. The operating parameters of the DC power supply system can be obtained remotely through the remote communication interface, and the operating status and fixed values can be set and modified through this interface to meet the requirements of power automation and unmanned substations in the power system; Equipped with standard RS232/485 serial interface and Ethernet interface, it can be easily integrated into the power plant automation system.

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