Flexible DC project electromechanical-electromagnetic hybrid simulation method and system for

A flexible DC and hybrid simulation technology, used in DC network circuit devices, AC network circuits, electrical components, etc.

Inactive Publication Date: 2018-12-14
CHINA ELECTRIC POWER RES INST
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[0004] The present invention proposes a flexible DC engineering electromechanical-electromagnetic hybrid simulation method and s

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[0045] Exemplary embodiments of the present invention will now be described with reference to the drawings; however, the present invention may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for the purpose of exhaustively and completely disclosing the present invention. invention and fully convey the scope of the invention to those skilled in the art. The terms used in the exemplary embodiments shown in the drawings do not limit the present invention. In the figures, the same units / elements are given the same reference numerals.

[0046]Unless otherwise specified, the terms (including scientific and technical terms) used herein have the commonly understood meanings to those skilled in the art. In addition, it can be understood that terms defined by commonly used dictionaries should be understood to have consistent meanings in the context of their related fields, and should not be understood as idealized or overl...

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Abstract

The invention relates to an flexible DC engineering electromechanical-electromagnetic hybrid simulation method comprising the following steps of: acquiring operation parameter data and technical parameter data of a flexible DC project for simulation; The hybrid simulation network of flexible HVDC engineering is divided into regions, the AC power network is divided into electromechanical transientcalculation regions, the DC power network is divided into electromagnetic transient calculation regions, and the position of simulation interface is set. Editing Power Flow Data File and Transient Data File of AC Power Grid Based on Electromechanical Transient Analysis Program; Based on electromagnetic transient simulation program PSD-PSModel, establishing the electromagnetic transient model; combining electromechanical transient model with electromagnetic transient model, a hybrid simulation example of flexible HVDC project is constructed. According to the tidal current result file obtained from the tidal current data file, the key parameters are read to the primary system file of the electromagnetic transient model for initialization setting, and the simulation conditions are set according to the simulation requirements for hybrid simulation calculation.

Description

technical field [0001] The present invention relates to the technical field of power system simulation and control, and more specifically, to an electromechanical-electromagnetic hybrid simulation method and system for flexible direct current engineering. Background technique [0002] As my country's power system enters a new pattern of large-capacity long-distance power transmission, large-scale new energy access, and asynchronous grid interconnection, my country's power grid has gradually formed a complex structure of large-scale AC-DC hybrid connection, which has a great impact on the stability and stability of the entire power system. Control responsiveness makes better demands. As a new generation of advanced DC transmission technology, the flexible DC transmission technology based on modular multilevel converters (MMC-HVDC) has the advantages of independent control of active power and reactive power, no risk of commutation failure, and flexible and independent adjustmen...

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Application Information

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IPC IPC(8): H02J3/00H02J1/00
CPCH02J1/00H02J3/00H02J2203/20
Inventor 李霞叶小晖宋新立刘文焯吴国旸刘涛苏志达汤涌王毅侯俊贤仲悟之戴汉阳樊云龙穆世霞刘建坤朱鑫要卫鹏周前
Owner CHINA ELECTRIC POWER RES INST
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