Powerless voltage automatic control system for area power grid

Abstract

The invention belongs to the electric power technology field and relates to a regional power grid reactive power automatic control system. The system comprises a database module, a communication module, an analysis calculation module, a graphical display module, a statement management module as well as a system administration module; wherein, the communication module receives a measured data forwarded from a data acquisition and control system and sends the data to the calculation analysis module and at the same time stores the data in the database module; the analysis calculation module analyzes and calculates the measured data, forms a reactive voltage control strategy, and then downloads the data through the communication module; meanwhile, the data is transmitted to the graphical display module through the communication module to display the calculation analysis and the controlled result; the statement management module realizes the control result query, display and print; the system management module realizes the management to the whole system through the communication module. The invention can realize the automatic control of the whole process, thus eliminating the working intensity of the site operation personnel and improving the production efficiency.

Description

technical field [0001] The invention relates to a system used in the field of electric power technology, in particular to an automatic control system for reactive power and voltage of a regional power grid. Background technique [0002] As the SCADA (Data Acquisition and Control) system is becoming more and more perfect and mature, the accuracy of remote signaling and telemetry data is continuously improved, the remote control is more reliable, and the state estimation module realizes the online monitoring of power grid measurement, making the regions based on SCADA system The grid reactive voltage automatic control system (AVC system for short, the same below) is realized. The AVC system monitors the load change of the network, performs optimal calculation of reactive power and voltage under the condition of ensuring that the bus voltage is qualified, and combines the expert experience of the dispatcher to provide a complete control strategy. By changing the output of the c...

AI Technical Summary

Problems solved by technology

Its shortcomings are reflected in the fact that the above method basically belongs to the method of reactive power compensation on the spot, and does not realize the horizontal and vertical coordination of the reactive power of the grid.

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