Power quality online monitoring system of network topology wireless communication

Abstract

The invention discloses a power quality online monitoring system of network topology wireless communication. The power quality online monitoring system comprises an acquisition terminal, a communication manager, a server and an upper computer. The acquisition terminal acquires alternating power data of a user end through a sensor and uploads the alternating power data to the communication manager through a wireless transmission module, the communication manager wirelessly transmits the alternating power data to the server through a wireless launching tower, and the server controls a user site remotely by transmitting the data to the upper computer. The power quality online monitoring system widens application environments of monitoring, has functions of mutual communication, self-networking bridging data transmission, breaking recovery, separable re-networking, receiving communication management GPRS (general packet radio service) transmission data to support communication manager output storage processing, and realizing network issuing monitoring. The system is applicable to converting stations, power distribution stations, and fields which need local self-networking communication. By the internal network topology structure, for data transmission, of the system, the system is clear in gradation, convenient to maintain, good in monitoring effect and practical.

Description

technical field [0001] The invention belongs to the field of wireless communication monitoring of power systems, and relates to an online power quality monitoring system for network topology wireless communication. outside the system. Background technique [0002] Power quality refers to the quality of AC power supplied to users through the public grid. An ideal utility grid should supply power to consumers at a constant frequency, standard sine wave, and rated voltage. At the same time, in the three-phase AC system, the amplitude of the voltage and current of each phase should be equal, the phases should be symmetrical, and the phase difference should be 120 degrees. However, this ideal state does not exist due to the non-linear or asymmetrical equipment such as generators, transformers and lines in the system, the variable nature of the load, the imperfect control means, operation, external interference and various faults. Therefore, various problems in the power grid o...

AI Technical Summary

Problems solved by technology

Due to defects such as low integration, complex wiring, single protection and control functions, and low level of accident analysis, the traditional substation secondary system cannot meet the requirements of safe, reliable and economical operation of modern intelligent substations.

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