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GB/T 20321-2023: Inverter of wind and solar energy supply power system for off-grid
Status: Valid GB/T 20321: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 20321-2023 | English | 299 |
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Inverter of wind and solar energy supply power system for off-grid
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GB/T 20321-2023
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| GB/T 20321.1-2006 | English | 399 |
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Inverter of wind and solar energy supply power system for off-grid -- Part 1: Technical specification
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GB/T 20321.1-2006
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PDF similar to GB/T 20321-2023
Basic data | Standard ID | GB/T 20321-2023 (GB/T20321-2023) | | Description (Translated English) | Inverter of wind and solar energy supply power system for off-grid | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | F11 | | Classification of International Standard | 27.180 | | Word Count Estimation | 14,123 | | Date of Issue | 2023-05-23 | | Date of Implementation | 2023-05-23 | | Older Standard (superseded by this standard) | GB/T 20321.1-2006,GB/T 20321.2-2006 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 20321-2023: Inverter of wind and solar energy supply power system for off-grid---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 27:180
CCSF11
National Standards of People's Republic of China
Replacing GB/T 20321:1-2006, GB/T 20321:2-2006
Inverters for off-grid wind and solar power generation systems
Released on 2023-05-23
2023-05-23 implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Basic parameters and model compilation method 1
5 Technical requirements 2
6 Test method 4
7 Inspection rules 8
8 Labeling, packaging, transportation and storage 9
9 Quality guarantee period 10
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:
This document replaces GB/T 20321:1-2006 "Inverters for off-grid wind and solar power generation systems Part 1: Technical requirements"
and GB/T 20321:2-2006 "Inverters for off-grid wind and solar power generation systems Part 2: Test methods": This document ends with
Based on GB/T 20321:1-2006, it integrates Chapter 5 "Test Contents and Test Methods" of GB/T 20321:2-2006 and Chapter 6
"experiment report": Compared with GB/T 20321:1-2006 and GB/T 20321:2-2006, except for structural adjustment and editorial changes, the main
The technical changes are as follows:
a) Changed the "basic parameters and model compilation method", deleted the square wave, changed "rated capacity VA" to "rated power kW" (see
Chapter 4, Chapter 4 of GB/T 20321:1-2006);
b) Deleted "general requirements" (see 5:1 of GB/T 20321:1-2006);
c) Changed the index requirements for "output frequency" (see 5:3, 5:4 of GB/T 20321:1-2006);
d) Deleted "temperature rise" (see 5:7 of GB/T 20321:1-2006);
e) Changed the overvoltage protection and undervoltage protection requirements in "Protection" (see 5:6, 5:8 of GB/T 20321:1-2006);
f) Changed the index requirements of "load level" (see 5:7, 5:9 of GB/T 20321:1-2006);
g) Added "remote monitoring" (see 5:9);
h) Deleted "high and low temperature" (see 5:11 of GB/T 20321:1-2006);
i) Delete the "requirements for components and auxiliary parts" (see 5:14 of GB/T 20321:1-2006);
j) Deleted the "working time before the first failure" (see 5:18 of GB/T 20321:1-2006);
k) Changed the "test method" (see Chapter 6, Chapter 6 of GB/T 20321:1-2006);
l) Changed the "inspection rules" (see Chapter 7, Chapter 7 of GB/T 20321:1-2006);
m) Change "test report" to "test item" (see 7:3, Chapter 6 of GB/T 20321:2-2006):
Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed by China Machinery Industry Federation:
This document is under the jurisdiction of the National Wind Power Standardization Technical Committee (SAC/TC50):
This document is drafted by: Hefei Weimin Power Supply Co:, Ltd:, China Academy of Agricultural Mechanization Sciences Hohhot Branch Co:, Ltd:, Shanghai
Sea Energy Technology Development Co:, Ltd:, Inner Mongolia Autonomous Region Agriculture and Animal Husbandry Technology Promotion Center, Inner Mongolia University of Technology, Inner Mongolia Huade New Technology Co:, Ltd:
Co:, Ltd:, Hohhot Boyang Renewable Energy Co:, Ltd:, Ministry of Water Resources Pastoral Water Conservancy Research Institute, Inner Mongolia Agricultural University, Jiangsu
Shenghuang New Energy Technology Co:, Ltd:, Shenzhen Leiming Technology Development Co:, Ltd:, Qinghai Nenggao New Energy Co:, Ltd:, Wuling Power Co:, Ltd:
Division, Zhejiang University, Gande County Renhe Power Technology Co:, Ltd:, Fresh Energy Technology Zhangjiakou Co:, Ltd:, Guangdong Midea Refrigeration Equipment Co:, Ltd:
company:
The main drafters of this document: Nian Heng, Ren Jun, Zhang Weimin, Tian Jiandong, Wang Qiang, Bao Daorina, Wu Yuan, Yang Shaonan, Wu Yongzhong, Meng Keqilao,
Han Qiaoli, Wuyun Gaowa, Deng Yi, Yang Bin, Su Dianpeng, Chen E, Jin Chengri, Mo Yujun, Sun Dan, Zhao Xiaofeng, Jiang Han, Zhang Xiaoxin, Wu Yougang,
Gong Yafei, Zhang Zhiyu:
The release status of previous versions of this document and the documents it replaces are as follows:
---In:2006, it was first released as GB/T 20321:1-2006 and GB/T 20321:2-2006:
--- This is the first revision:
Inverters for off-grid wind and solar power generation systems
1 Scope
This document specifies the basic parameters and model compilation of inverters (hereinafter referred to as "inverters") used in off-grid wind and solar power generation systems
Methods, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality assurance period:
This document applies to inverters used in off-grid wind and solar power generation systems:
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document:
GB/T 191 Packaging, storage and transportation icon marks
GB/T 2423:1 Environmental testing for electrical and electronic products - Part 2: Test methods Test A: Low temperature
GB/T 2423:2 Environmental testing for electric and electronic products - Part 2: Test methods Test B: High temperature
GB/T 2423:3 Environmental testing - Part 2: Test methods Test Cab: Constant damp heat test
GB/T 2423:7-2018 Environmental testing Part 2: Test method Test Ec: Shock caused by rough handling (mainly used for
equipment type sample)
GB/T 2423:10 Environmental testing Part 2: Test method Test Fc: Vibration (sinusoidal)
GB/T 2900:33 Electrotechnical Terminology Power Electronic Technology
GB/T 3768 Acoustic sound pressure method for measuring sound power level and sound energy level of noise sources adopts the simple method of enveloping the measuring surface above the reflecting surface:
easy method
GB/T 3859:3-2013 General requirements for semiconductor converters and grid commutation converters Part 1-3: Transformers and reactors
3 Terms and Definitions
The terms and definitions defined in GB/T 2900:33 and GB/T 3859:3-2013 apply to this document:
4 Basic parameters and model compilation method
4:1 Basic parameters
The basic parameters of the inverter are:
---Rated output parameters: the number of output phases, rated power, AC voltage and frequency shall comply with the relevant provisions of Table 1;
---Rated input parameters: The rated input DC voltage of the inverter should be selected according to the provisions in Table 2:
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