Online monitoring system of portable distribution transformer

Abstract

The invention discloses an online monitoring system of a portable distribution transformer. The system comprises front-end monitors, a main-station server and a client; each front-end monitor collects data via a pincerlike residual current sensor and a pincerlike current/voltage sensor, and sends the data to the main-station server via a GPRS module; and the main-station server receives data transmitted from the front-end monitors, a main-station storage program installed in the main-station server uses large database software to store all the received data according to set requirements, and a main-station configuration program can send configuration information related to the front-end monitors to the front-end monitors via GPRS communication channels automatically. According to the invention, online residual current, current and voltage monitors at the outgoing end of the portable distribution transformer are used to realize rapid disposition, data monitoring, problem discovery, problem solution, rapid withdrawal, rapid disposition in other places, and cyclic and repeated use of a closed loop; and background programs of the main station are managed in a concentrated manner, and analyzed in a unified manner, and different functions can be expanded.

Description

technical field [0001] The invention relates to an online monitoring system, in particular to a portable distribution transformer online monitoring system. Background technique [0002] Problems and shortcomings of the existing technology: Problems and shortcomings of the intelligent leakage protector with current and voltage acquisition functions: it must be installed in series and fixed on the tested line, as a node of the tested line, it cannot be used portablely; The workload of the process is very large, and power outage operation is necessary, which affects the reliability of power supply; because it is the working node of the tested line, once the equipment fails, it will cause the entire line to be powered off, which will affect the reliability of power supply again; there is no independent remote The data transmission channel must rely on the third-party equipment installed on the side of the distribution transformer to transmit the collected data to the background ...

AI Technical Summary

Problems solved by technology

[0002] Problems and shortcomings of the existing technology: Problems and shortcomings of the intelligent leakage protector with current and voltage acquisition functions: it must be installed in series and fixed on the tested line, as a node of the tested line, it cannot be used portablely; The workload of the process is very large, and power outage operation is necessary, which affects the reliability of power supply; because it is the working node of the tested line, once the equipment fails, it will cause the entire line to be powered off, which will affect the reliability of power supply again; there is no independent remote The data transmission channel must rely on the third-party equipment installed on the side of the distribution transformer to transmit the collected data to the background master station; because it cannot be reused, the overall investment cost increases

[0003] Problems and shortcomings of intelligent distribution transformer terminal: it must be installed fixedly and cannot be used portablely; the installation process requires a lot of work, and power outage work is necessary, which affects the reliability of power supply; because it cannot be reused, the overall investment cost increases, and it is far away Much more than the investment cost of an intelligent leakage protector with current and voltage acquisition functions

[0004] Problems and shortcomings of power quality analyzers: Lithium batteries have poor battery life and cannot support long-term online monitoring; clamp-on residual current meters have no data networking function, and the data collected by each device can only be viewed independently and cannot be viewed on a unified platform Browse and analyze the data of all nodes on the Internet; the clamp residual current meter has a small memory and cannot support a large number of long-running storage

[0005] In summary, there are various defects in the distribution transformer online monitoring system of the prior art, which can no longer meet people's requirements.

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