Real-time monitoring and analysis system for distribution circuit

Abstract

The invention discloses a real-time monitoring and analysis system for a distribution circuit. The system comprises a circuit load real-time acquisition module, an intelligent model analysis module and a data displaying module, wherein the intelligent model analysis module is connected with the circuit load real-time acquisition module; the data displaying module is connected with the intelligent model analysis module; the circuit load real-time acquisition module is used for distribution loads and current data which are acquired from a load control and distribution transformation monitoring terminal system and the network topologic relationship data of a distribution network geographical information system; the intelligent model analysis module is used for automatically monitoring the loads of distribution mains and distribution branches in real time and intelligently analyzing the operation states of the distribution mains and the distribution branches on the topological structure chart of the distribution network geographical information system through a preset calculation model; and the data displaying module is used for displaying the real-time load monitoring information of the mains and the branches, and the current information and the load information of monitoring spots on a single line diagram. By using the real-time monitoring and analysis system for the distribution circuit, the load data of corresponding spots can be displayed on a circuit structure diagram, and the safe operation of the circuit is powerfully ensured.

Description

technical field [0001] The invention relates to a remote monitoring and maintenance technology of power grid lines, in particular to a real-time monitoring and analysis system for power distribution lines. Background technique [0002] CT (current transformer, current transformer) is an electromagnetic current transformer widely used in power systems. The characteristics of the current transformer are: (1) The primary coil is connected in series in the circuit, and the number of turns is very small. Therefore, the current in the primary coil depends entirely on the load current of the circuit under test. It has nothing to do with the secondary current; (2) The current coil impedance of the instrument and relay connected to the secondary coil of the current transformer is very small, so under normal circumstances, the current transformer operates in a state close to a short circuit. PT (potential transformer, voltage transformer) is an indispensable electrical appliance for ...

AI Technical Summary

Problems solved by technology

The distribution network geographic information system (GIS) can automatically generate a single-line diagram along the layout. However, because there is no CT and corresponding communication device installed in a fixed position on the distribution line, the current data of the distribution line cannot be realized by using the system. remote monitoring

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