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GB/T 42558.3-2024: Seismic techniques of electrical equipment in converter station on plateau - Part 3: Specification for design of energy dissipation and isolation
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Seismic techniques of electrical equipment in converter station on plateau - Part 3: Specification for design of energy dissipation and isolation
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GB/T 42558.3-2024
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Basic data | Standard ID | GB/T 42558.3-2024 (GB/T42558.3-2024) | | Description (Translated English) | Seismic techniques of electrical equipment in converter station on plateau - Part 3: Specification for design of energy dissipation and isolation | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K40 | | Classification of International Standard | 29.020 | | Word Count Estimation | 24,259 | | Date of Issue | 2024-08-23 | | Date of Implementation | 2024-08-23 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 42558.3-2024: Seismic techniques of electrical equipment in converter station on plateau - Part 3: Specification for design of energy dissipation and isolation
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National Standard of the People's Republic of China
ICS 29.020CCS K 40
Earthquake-resistant technology for electrical equipment in converter stations for plateau use
Part 3.Seismic isolation design specifications
Seismic techniques of electrical equipment in converter station on plateau-
Part 3： Specification for design of energy dissipation and isolation
2024-08-23 Release
2025-03-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface Ⅲ
Introduction Ⅳ
1 Scope...1
2 Normative references ...1
3 Terms and Definitions 1
4 Basic Provisions 2
4.1 General Provisions 2
4.2 Site, foundation and base 3
4.3 Requirements for shock absorption and seismic isolation devices 3
4.4 Connections and Nodes 3
5 Earthquake Action and Earthquake Resistance Calculation ...3
5.1 General Provisions 3
5.2 Design Acceleration Response Spectrum 4
5.3 Selection of earthquake motion time history 5
5.4 Requirements for calculation of earthquake effects 5
5.5 Seismic performance verification 5
6 Shock absorption design...5
6.1 General requirements 5
6.2 Design calculation requirements and methods 6
6.3 Shock Absorption Device Selection 7
6.4 Interconnection structure vibration reduction design 7
6.5 Construction requirements 7
6.6 Verification of shock absorption design and structural measures 8
7 Seismic Isolation Design 8
7.1 General requirements 8
7.2 Design calculation requirements and methods 8
7.3 Selection of seismic isolation device 10
7.4 Construction requirements 10
7.5 Seismic isolation design and structural measures verification 11
Appendix A (Normative) Appearance requirements for shock absorbing devices 12
Appendix B (Normative) Calculation method for soft conductor length of interconnection structure ...13
Appendix C (Normative) Inspection requirements for seismic isolation devices 14
References ...15
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 is required.
This document is part 3 of GB/T 42558 "Seismic technology for electrical equipment of converter stations for plateau use". GB/T 42558 has been published
The following parts.
-- Part 1.Guidelines for seismic testing and evaluation;
--Part 2.Seismic design specifications;
--Part 3.Seismic isolation design specifications.
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 Electrical Equipment Industry Association.
This document is under the jurisdiction of the National Plateau Electrical Products Environmental Technology Standardization Technical Committee (SAC/TC 330).
This document was drafted by. China Electric Power Research Institute Co., Ltd., China Southern Power Grid Co., Ltd. Ultra-high Voltage Transmission Company
Power Research Institute, Kunming Electric Science Research Institute, Tongji University, Institute of Engineering Mechanics, China Earthquake Administration, Xi'an Xidian High Voltage Switchgear Co., Ltd.
Company, China Energy Engineering Group Yunnan Electric Power Design Institute Co., Ltd., Henan Pinggao Electric Co., Ltd., Chongqing University, Guangdong Yuan
Optical Cable Industry Co., Ltd., Kunming High Altitude Electrical Appliance Testing Co., Ltd., China Southern Power Grid Co., Ltd. Ultra-high Voltage Transmission Company
Qu Guanglei, Xin Ke, Li Weiguo, Wu Yue, Cao Shaohua, Qian Zhunli, Xiao Minying, Fu Hongjun, Liao Jun, Shi Yanying, Wang Wei, Wang Xinbing, Huang Tao, Xia Qiu,
Lan Zhenbo, Zhan Hao, Jian Xianghao, Sun Qigang, Xie Ruoxi, Luo Yan, Zhang Xiuli, Wang Wei, Jin Hu, Wu Xiaohui, Cai Yunzhu, Zhang Linlin, Zhu Ruiyuan,
Niu Lin.
Introduction
DC transmission is an important means to achieve high voltage, large capacity and long-distance power transmission. Due to factors such as power source location and environment, some stations
Built in the plateau area, it has the characteristics of high altitude and high voltage level. Compared with the same type of electrical equipment at low altitude, it is different in structure, height, length and quality.
There are obvious differences in the surface, which are reflected in being taller, longer, heavier and more flexible, and more stringent requirements are placed on the seismic performance of equipment in high seismic intensity areas.
GB/T 42558 "High-altitude Converter Stations" is specially formulated to provide guidance for the seismic design, modeling calculation, testing and evaluation of the electrical equipment of such converter stations.
"Seismic Technology for Electrical Equipment in Stations".
GB/T 42558 is intended to consist of six parts.
-- Part 1.Guidelines for seismic testing and evaluation. The purpose is to establish the electrical system for converter stations in high-seismic intensity areas in plateaus.
General requirements and evaluation principles for equipment seismic testing.
-- Part 2.Seismic design specifications. The purpose is to specify the overall requirements for seismic design of electrical equipment in converter stations for plateau use,
Seismic design of equipment, seismic design of equipment coupling connections, and seismic structural measures for equipment.
-- Part 3.Seismic isolation design specifications. The purpose is to specify the seismic isolation and seismic design calculations for electrical equipment in converter stations for plateau use.
Methods, selection of shock absorbing and isolation devices, and construction requirements.
--Part 4.Equipment selection specifications. The purpose is to guide the selection of electrical equipment in plateau converter stations and improve the
Shock resistance.
-- Part 5.Equipment Operation and Maintenance Guidelines. The purpose is to help operators better monitor and control electrical equipment in high-altitude converter stations.
It provides a standard basis for measurement, inspection, evaluation, repair and maintenance.
-- Part 6.Technical Specifications for Earthquake Monitoring Systems. The purpose is to define the applicable scope and monitoring objects of the plateau earthquake monitoring system.
and layout, monitoring system composition and technical requirements, monitoring system testing, installation and acceptance, monitoring system management and maintenance,
Storage and handling requirements for monitoring records.
Earthquake-resistant technology for electrical equipment in converter stations for plateau use
Part 3.Seismic isolation design specifications
1 Scope
This document specifies the design requirements for vibration reduction and seismic isolation of electrical equipment in new, rebuilt and expanded converter stations in plateau areas, and describes the corresponding verification
Proof method.
This document is applicable to areas with voltage levels of ±400 kV and above, altitudes of 1 000 m to 5 000 m, and seismic fortification intensity of 6 to 9 degrees.
Design and verification of shock absorption and isolation of electrical equipment in flow stations.
This article can be used as a reference for the shock absorption and isolation design of electrical equipment in other substation/converter station projects.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 11804 Terminology of environmental conditions for electrical and electronic products
GB/T 15168 Test methods for static and dynamic performance of vibration and shock isolators
GB 18306 China Earthquake Motion Parameter Zoning Map
GB/T 20688.1 Rubber bearings Part 1.Test methods for seismic isolation rubber bearings
GB/T 20688.3 Rubber bearings Part 3.Building seismic isolation rubber bearings
GB/T 20688.5 Rubber bearings Part 5.Elastic sliding plate bearings for seismic isolation of buildings
GB/T 37358 Friction pendulum isolation bearings for buildings
GB/T 42558.1-2023 Earthquake resistance technology for electrical equipment of converter stations for plateau use Part 1.Guidelines for earthquake resistance test and evaluation
GB/T 42558.2-2024 Earthquake-resistant technology for electrical equipment of converter stations for plateau use Part 2.Earthquake-resistant design specifications
GB/T 50010 Concrete structure design standard
GB/T 50011 Building seismic design standard
GB 50017 Steel Structure Design Standard
GB 50260 Code for seismic design of power facilities
JGJ 145 Technical Specification for Post-Anchorage of Concrete Structures
3 Terms and definitions
The terms and definitions defined in GB/T 11804, GB 50260 and the following apply to this document.
3.1
Energy dissipation device
A device installed on electrical equipment to absorb and dissipate the vibration energy of the equipment structure caused by earthquakes.
3.2
Structure with energy dissipated electrical equipment
A structure formed by installing a vibration-absorbing device in electrical equipment.
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