If the power system cannot output the specified current, the voltage exceeds the allowable fluctuation range, and the noise voltage is higher than the allowable value for more than 10 seconds, it is judged as a system failure. If the voltage, frequency or waveform distortion in the original AC system exceeds the specified range and lasts longer than 60s, it is judged as a fault. For this reason, to ensure the reliability of the communication power system, the communication department with conditions should try to introduce 2 mains input from two different places, and install 2 mains power automatic switching devices; the equipment used should be highly reliable The high-frequency switch rectifier equipment adopts a modular, hot-swappable structure for easy replacement, and a reasonable configuration of backup equipment. Any new technology or new equipment that has not been fully verified and is not allowed to enter the power supply system before trial operation. The power supply method should vigorously promote the decentralized power supply, and the communication equipment using the same DC voltage adopts more than two independent power supply systems. This is also the new requirement for the continuous expansion of communication network capacity and scale and the introduction of various new industries in the future. In order to shorten the mean time to repair the equipment as much as possible, it is necessary to frequently analyze the operating parameters, predict the time of occurrence of the fault and eliminate it in time. It is also necessary to improve the level of technical maintenance and adopt centralized maintenance, remote telecommunication, and telemetry maintenance.
The implementation of centralized monitoring and management is an inevitable trend in the development of network technology, a requirement of modern communication networks, and an effective measure for enterprises to reduce staff and increase efficiency. Various power supply equipment should be intelligent, standardized, and conform to open communication protocols. In the implementation process, the setting of the three remote points should be reasonable, not as many as possible. Reliability and practicability should be the basic principles, and simple but not complicated. In this regard, our station uses the power system's remote signaling, telemetry, remote centralized maintenance and other functions. When the power system encounters an obstacle, the system automatically sends paging messages to the maintenance personnel, and the power supply has been unattended.
