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GB/T 37015.1-2018Performance of high-voltage direct current power transmission system using voltage sourced converters (VSC-HVDC)—Part1: Steady-state (English PDF)

柔性直流输电系统性能第1部分：稳态

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 28, 2018

Implementation date

July 1, 2019

Scope

GB/T 37015.1-2018 is the English-translated version of 柔性直流输电系统性能第1部分：稳态.

GB/T 37015.1-2018 is Part 1 of the Chinese standard on the performance of HVDC transmission systems using voltage sourced converters (VSC-HVDC), and deals with steady-state performance from the point of view of power system safety and stability.

It covers adaptability to the AC system (AC voltage, negative sequence current, frequency, power quality, grid strength and short-circuit current), basic design requirements for the converter topology, main wiring and AC and DC field equipment, converter and DC system operating modes, the control system, reliability and losses.

It applies to back-to-back, point-to-point and multi-terminal systems built only with modular multilevel converters, and can guide the planning, design, construction and operation of such systems.

Annexes show typical submodule structures, the main station equipment and the control system. It was issued on 28 December 2018 and has applied since 1 July 2019.

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Document preview — GB/T 37015.1-2018

National Standard of the People's Republic of China

ICS: 29.240.01
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 operational adaptability
4.1 General requirements
4.2 AC voltage
4.3 Negative sequence current
4.4 AC frequency
4.5 Power Quality
4.6 AC grid strength
4.7 AC side short circuit current
5 Basic design requirements
5.1 General requirements
5.2 Requirements for the converter topology
5.3 Requirements for Primary System Main Wiring
5.4 Requirements for AC and DC field equipment
6 mode of operation
6.1 General requirements
6.2 Inverter operation mode
6.3 DC system operation mode
7 control system
7.1 General requirements
7.2 Function
7.3 Performance
7.4 Structure
8 Reliability
9 loss
Appendix A (informative) Modular multilevel converter and its submodule typical structure
Appendix B (informative) Main equipment of flexible DC converter station
Appendix C (informative) Flexible DC transmission control system structure

Foreword

GB/T 37015 "Flexible DC Transmission System Performance" is divided into two parts.

--- Part 1. Steady state;

--- Part 2. Transient.

This part is the first part of GB/T 37015.

This part is drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This part of GB/T 37015 specifies the requirements for the steady-state performance of flexible DC transmission systems from the perspective of safety and stability of the power system.

It includes requirements for operational adaptability, basic design requirements, operating methods, control systems, reliability and loss.

This section applies to the steady-state performance of DC back-to-back, end-to-end, multi-end systems using only modular multi-level voltage source converters.

This section can be used for DC transmission systems using current source converters.

This section can be used to guide the planning, design, construction and operation of flexible HVDC systems.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this document. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 13498 HVDC transmission terminology

Determination of GB/T 20989 high voltage DC converter station loss

GB/T 30553 high voltage direct current transmission based on voltage source converter

GB/T 34118 voltage source converter terminology for high voltage DC systems

GB/T 34139 flexible DC transmission converter technical specification

GB/T 35702.1 Voltage source converters for high-voltage DC systems - Part 1. General requirements

GB/T 35702.2 Voltage source converter valve losses for high-voltage DC systems - Part 2: Modular multi-level converters

IEEE1204 DC Access Weak AC System Design Guidelines (GuideforPlanningDCLinksTerminatingatACLo-cationsHavingLowShort-CircuitCapacities)

3 Terms and definitions

GB/T 13498, GB/T 30553, GB/T 34118, GB/T 34139, IEEE1204 and the following terms and definitions apply Used in this document.

3.1 Half-bridge submodule

A submodule consisting of two series switching units and a DC capacitor in parallel.

Note: See Figure A.1 in Appendix A.

3.2 Full bridge submodule

A sub-module consisting of a half-bridge sub-module in parallel with two series-connected switching units.

Note: See Figure A.2.

3.3 Half-bridge modular multilevel converter

The bridge arm is a multi-level converter composed of a plurality of half-bridge sub-modules connected in series.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

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