Analog simulation system of complex power distribution network

A technology of simulation and power grid simulation, applied in simulators, general control systems, control/regulation systems, etc., can solve the problem of insufficient flexibility, can not meet the needs of distribution network safety protection, automation system simulation test, application scope, availability Problems such as limited functions of simulation

Active Publication Date: 2015-02-04
STATE GRID CORP OF CHINA +1
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Problems solved by technology

This kind of simulation is similar to true-type simulation. The voltage level and simulated objects are basically fixed, and the flexibility is insufficient. It has certain applicability to distribution network simulation, but the influence of equipment configuration and parameter s

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  • Analog simulation system of complex power distribution network
  • Analog simulation system of complex power distribution network
  • Analog simulation system of complex power distribution network

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Embodiment Construction

[0075] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention, but should not be construed as limiting the present invention.

[0076] 1. Complex distribution network;

[0077] The complex distribution network in the present invention refers to a traditional passive distribution network with a single voltage level or two or more voltage levels, an active distribution network, a closed-loop operation distribution network, an AC / DC hybrid distribution network, etc. Complex distribution network established by the type of distribution network.

[0078] 2. Complex distribution network simulation system;

[0079] Based on the above-ment...

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Abstract

The invention discloses an analog simulation system of a complex power distribution network containing multiple voltage grades and 8 modules, which integrates the analog simulation technologies of an integrated power grid power supply, a distributed power supply, an accident, a circuit, an AC and DC power distributor, a diverse load and other analog simulation technologies, aiming at the simulated test demand of an active power distribution net technology with the characteristics of interaction and intelligence. The analog simulation system comprises 5 modules such as a power grid simulator which reflects the primary and secondary parts of a power grid, a power supply simulator, a load simulator, a control simulator and a protective simulator, further comprises 3 additional modules such as an event/detection simulator beneficial for the simulation test, an interface module, and a synchronous simulator. The analog simulation system provided by the invention comprises an integrated simulation test of steady state, transient state and multistage power distribution network including new elements such as a distributed power supply, a diversified load, an intelligent equipment/system, an automatic/information system, an AC/DC hybrid grid, closed loop operation, etc.

Description

Technical field [0001] The invention relates to a power distribution network simulation system, in particular to a complex power distribution network simulation system. Background technique [0002] In recent years, with the development of distributed power sources, demand-side response, electric vehicles and smart grids, the distribution network has become an active network that includes distributed power sources and diverse load access. It has a large scale, multiple points, and complex structure. The characteristic of this is a complex system that combines discrete and continuous processes, and a combination of transient and steady-state processes. Power distribution technology is facing major changes. How to carry out effective technical research and testing in accordance with the development trend of the distribution network plays an important role in promoting the development of distribution technology and poses new challenges to the simulation test technology of the distri...

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Application Information

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IPC IPC(8): G05B17/02
Inventor 盛万兴宋晓辉刘永梅董伟杰孟晓丽李雅洁冯雪平李建芳赵珊珊
Owner STATE GRID CORP OF CHINA
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