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GB/T 40580-2021Technical guide for modeling HVDC transmission systems in electromechanical transient simulations (English PDF)

高压直流输电系统机电暂态仿真建模技术导则

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 11, 2021

Implementation date

May 1, 2022

Scope

GB/T 40580-2021 is the English-translated version of 高压直流输电系统机电暂态仿真建模技术导则.

GB/T 40580-2021 is a guide to building electromechanical transient models of HVDC transmission systems for power system simulation, covering the preparation of information and data, model establishment and verification of model parameters.

It applies to systems built around grid-commutated converters at ±400 kV and above, where each station has one or two poles made of series 12-pulse converters; other voltage levels and main circuit structures can use it for reference.

It defines the limiting-type and selective-type control system models, and its normative annexes give primary system parameters, control system parameters, the calculation model and the limiting-type, selective and additional control system models, with an informative annex on error indicators for parameter verification.

A final clause deals with the modelling report. It was issued on 11 October 2021 and has applied since 1 May 2022.

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Document preview — GB/T 40580-2021

National Standard of the People's Republic of China

ICS: 29.020
Classification: F 21

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 General
5 Preparation of information and data
6 Electromechanical transient model of HVDC transmission system
7 Model parameter check
8 Modeling report
Appendix A (Normative) Primary system parameters of DC transmission
Appendix B (Normative) DC Transmission Control System Parameters
Appendix C (Normative) Calculation model of DC transmission system
Appendix D (Normative) Limited-amplitude DC transmission control system model
Appendix E (Normative) Selective DC Transmission Control System Model
Appendix F (normative) HVDC additional control system model
Appendix G (informative) Error indicators for model parameter verification

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" Drafting.

1 Scope

This document specifies the HVDC system model for the electromechanical transient simulation analysis and calculation of the power system (referred to as "HVDC system" The establishment method of electromechanical transient model"), including data and data preparation, model establishment and parameter verification.

This document is applicable to voltage levels of ±400kV and above that use grid-commutated converters as the core, and each station consists of a single pole or two poles.

Modeling of DC transmission system with 12-pulse converter series structure, other voltage levels and DC transmission systems with different main circuit structures can be referred to implement.

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.

GB/T 13498 Terminology for HVDC Transmission

GB/T 25843 ±800kV UHV DC transmission control and protection equipment technical requirements

GB/T 50789 ±800kV DC Converter Station Design Code

DL/T 277 Technical Regulations for Control and Protection Setting of HVDC Transmission System

3 Terms and definitions

The following terms and definitions defined in GB/T 13498 apply to this document.

3.1 Electromechanical transient model of HVDC transmission system

Based on the fundamental sequence phasor of the AC system, simulate the dynamic characteristics of the HVDC transmission system itself under the symmetrical and distortion-free conditions of the AC system And its interaction with the communication system.

3.2 Limiting type control system model

A DC transmission control system that uses the output of the DC voltage and the cut-off angle controller as the output limit of the DC current controller Model.

3.3 Selective control system model

Select the DC transmission control system of the controlled object by comparing the deviations of the three control objects of DC current, DC voltage and cut-off angle Model.

4 General

4.1 Establish an electromechanical transient model of the HVDC transmission system.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 49 pages — is available in the English PDF.

Referenced standards

Normative references

Similar standards

GB/T 13869-2026|GB/T 24114.2-2026|GB/T 33589-2026|GB/T 33592-2026|GB/T 33593-2026|GB/T 33603-2026

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