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GB/T 45118-2024Technical guide for grid connection of wave energy generation device (English PDF)

波浪能发电装置并网技术导则

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 31, 2024

Implementation date

January 1, 2026

Scope

GB/T 45118-2024 is the English-translated version of 波浪能发电装置并网技术导则.

GB/T 45118-2024 is the Chinese national standard covering connecting a wave energy generation device to a grid at 10 kV and above — the power control and the response time it has to meet, the fault ride-through it has to sit through instead of tripping, the operational adaptability, the power quality it may inject, the relay protection and safety automatic devices, the dispatching automation and communication, and the connection tests that prove all of it. First edition, under the China Electricity Council. In force from 1 January 2026. Issued on 31 December 2024, it has been in force since 1 January 2026.

Document preview — GB/T 45118-2024

National Standard of the People's Republic of China

ICS: 29.240
Classification: F 19

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

PrefaceIII
1 Scope1
2 Normative references1
3 Terms and Definitions1
4 General Requirements2
5 Power Control2
6 Fault Ride-Through2
7 Operational suitability5
8 Power Quality6
9 Relay protection and safety automatic devices6
10 Dispatching Automation and Communication7
11 Grid connection detection7
References8

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 for standardization documents" Drafting.

Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.

This document was proposed by the China Electricity Council.

This document is under the jurisdiction of the National Microgrid and Distributed Generation Grid Connection Standardization Technical Committee (SAC/TC564).

This document was drafted by: China Southern Power Grid Electric Power Technology Co., Ltd., China Electric Power Research Institute Co., Ltd., Guangdong Power Grid Co., Ltd.

Liability Company, Hainan Power Grid Co., Ltd., China Southern Power Grid Co., Ltd., Guangzhou Institute of Energy Conservation, Chinese Academy of Sciences, State Grid Hubei Electric Power Science Research Institute of Shandong Electric Power Co., Ltd. and Electric Power Science Research Institute of State Grid Shandong Electric Power Company.

The main drafters of this document are: Wang Hongxing, Li Mingjun, Liu Shi, Duan Qing, Zhang Yao, Duan Xinhui, Wei Shenghua, Liang Chonggan, Chen Kun, Yang Yi, Liu Zhigang, Yu Peng, Sha Guanglin, Deng Weiss, Wang Kunlin, Cheng Yan, Chen Wen, Guo Xinran, Tao Tao, Yang Taolue, and Ou Wenjun.

Technical Guidelines for Grid Connection of Wave Energy Generation Devices

1 Scope

This document specifies the power control, fault ride-through, operational adaptability, power quality, relay protection and Technical requirements for safety automatic devices, dispatching automation and communications, and grid connection detection.

This document is applicable to the grid connection of new, rebuilt and expanded wave energy power generation devices connected to the grid at a voltage level of 10kV and above. Detect and run.

2 Normative references

GB/T 12325

GB/T 12326

GB/T 14285

GB/T 14549

GB/T 15543

GB/T 19862

GB/T 24337

GB/T 36572

GB 38755

3 Terms and definitions

The following terms and definitions apply to this document.

3.1 Wave energy

The kinetic and potential energy possessed by waves on the ocean surface.

[Source. GB/T 34910.3-2017, 3.1]

3.2

A device that captures wave energy and converts it into electricity.

Note. It consists of one or more wave energy generators, as well as power transformation and distribution systems, monitoring systems and auxiliary equipment and facilities.

3.3 response time

From the time when the control command is received until the actual output change of the observed variable of the wave energy power generation device reaches the control target value and the initial value for the first time The time required for the difference from the initial value to be 90%.

......
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

Editions of GB/T 45118

Edition	Title	Revision	Status
GB/T 45118-2024	Technical guide for grid connection of wave energy generation device	current edition	Current

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