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DC distribution network real-time simulation system and method

A DC distribution network, real-time simulation technology, applied in AC network circuits, information technology support systems, power transmission AC networks, etc. Problems such as lack of technical means and platform for network simulation research

Active Publication Date: 2018-12-21
ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the current DC distribution network research is relatively lagging behind the transmission network research, and the simulation research of the DC distribution network lacks technical means and platforms, making it difficult to accurately evaluate the impact of the distribution network on the grid system under the condition of AC-DC parallel operation.

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Embodiment Construction

[0039] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0040]In order to clearly describe the technical solutions of the embodiments of the present invention, in the embodiments of the present invention, words such as "first" and "second" are used to distinguish the same or similar items with basically the same function or effect. A skilled person can understand that words such as "first" and "second" do not limit the quantity and execution order.

[0041] This embodiment provides a real-time simulation system for...

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Abstract

The invention discloses a DC distribution network real-time simulation system and method, comprising: a real-time simulator, a simulation interface device, an I / O consolidation unit, a sub-station control and protection device, a multi-coordinated control and protection device, and a monitoring system device. The real-time simulator comprises a real-time digital simulator RTDS, a gigabit transceiver board GTFPGA and a field programmable gate array FPGA. Through the connection of the above devices, the actual operation conditions of DC distribution network and the precise control and operationcharacteristics of converter and DC transformer are simulated, which provides a simulation platform and simulation method for DC distribution network research.

Description

technical field [0001] The invention relates to the technical field of power systems, in particular to a real-time simulation system and method for a DC distribution network. Background technique [0002] With the continuous penetration of renewable energy and distributed power, the multiple power supply architecture focusing on distributed renewable energy and microgrid will gradually change the traditional distribution network form, making the future distribution network present a two-way power and intelligent interaction. relation. On the one hand, the DC distribution network can be flexibly connected to distributed power sources and DC loads because of the fast control technology of power electronics, and on the other hand, because it can control the direct closed-loop operation of the distribution network, it has a more efficient structure than the grid structure of the AC distribution network. high reliability. Therefore, both in terms of control flexibility and oper...

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Application Information

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IPC IPC(8): H02J3/36H02J13/00
CPCH02J3/36H02J13/00019H02J2203/20Y02E60/00Y02E60/60Y04S10/16
Inventor 邓丽君郭琦蔡海青黄立滨
Owner ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD