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Power distributed control and simulation system based on communication

A technology of distributed control and communication simulation, applied in general control systems, control/adjustment systems, instruments, etc., can solve the problems of protection action behavior and performance impact, inability to play a protective role, and low DER output, etc., to get started Fast, simple design, and easy-to-use effects

Inactive Publication Date: 2018-05-22
NANJING UNIV OF SCI & TECH
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AI Technical Summary

Problems solved by technology

In the traditional power distribution system, the coordination relationship between protections is broken, and the action behavior and performance of protections will be affected, and even cannot play a protective role. At the same time, DER output is small, large in number and complex in distribution. higher requirement

Method used

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  • Power distributed control and simulation system based on communication
  • Power distributed control and simulation system based on communication
  • Power distributed control and simulation system based on communication

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Embodiment Construction

[0021] The specific implementation manners of the present invention will be described in detail below in conjunction with the technical solutions and accompanying drawings.

[0022] 1. The overall design scheme of the communication-based power distributed control and simulation system

[0023] The system consists of three main parts, which are electric power simulation platform MATLAB, communication simulation platform OPNET and external C program control platform, which are connected in series through the open interface Cosim. in:

[0024] 1) Power simulation platform MATLAB

[0025] The power simulation platform MATLAB builds the mathematical model of the power station based on the Simulink module, generates power business data, sends the data externally by calling the co-simulation API interface function, controls the advancement of the entire simulation time schedule, and receives the communication feedback results of OPNET at the same time.

[0026] Among them, interfac...

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Abstract

The invention discloses a power distributed control and simulation system based on communication, and the system consists of a power simulation platform MATLAB (1), an external console (2), and a communication simulation platform OPNET (3). The power simulation platform MATLAB (1) generates power simulation data information to the external console (2), and the external console (2) transmits the received data information to the communication simulation platform OPNET (3), and transmits the received data information in a communication network of the communication simulation platform OPNET (3). The communication simulation platform OPNET (3) feeds back a transmission result to the external console (2), and the external console (2) transmits a feedback result to the power simulation platform MATLAB (1), thereby forming a circulating system. The system breaks the limit that a conventional power network and a conventional communication network are just used for simulation and analysis in respective fields, and achieves the coordinated management of data interaction between a power business simulation platform and the communication network and the simulation progress.

Description

technical field [0001] The invention belongs to the field of power-communication joint control and simulation, and constructs a communication-based power distributed control and simulation system. Background technique [0002] Under the background of the shortage of fossil energy and the aggravation of environmental pollution, distributed power generation (DER) has been developed rapidly, and the network connection of distributed power generation is one of the key issues in realizing intelligent power distribution and utilization. After DER is connected to the distribution network, the distribution system becomes a multi-source network, and the power flow distribution in the network and the magnitude, flow direction and distribution of the short-circuit current during faults will all change. In the traditional power distribution system, the coordination relationship between protections is broken, and the action behavior and performance of protections will be affected, and ev...

Claims

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Application Information

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IPC IPC(8): G05B17/02
CPCG05B17/02
Inventor 宋晓健张俊芳王亚奇仲其邓李赟康奇
Owner NANJING UNIV OF SCI & TECH
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