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GB/T 20321-2023 English PDF

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Q: Should I purchase the latest version GB/T 20321-2023?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 20321-2023 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$299.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 20321-2023: Inverter of wind and solar energy supply power system for off-grid
Status: Valid

GB/T 20321: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 20321-2023	299	Add to Cart	3 days	Inverter of wind and solar energy supply power system for off-grid	Valid
GB/T 20321.1-2006	399	Add to Cart	3 days	Inverter of wind and solar energy supply power system for off-grid -- Part 1: Technical specification	Obsolete

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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Older Standard (superseded by this standard): GB/T 20321.1-2006,GB/T 20321.2-2006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

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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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 20321-2023_English be delivered?

Answer: Upon your order, we will start to translate GB/T 20321-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 20321-2023_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 20321-2023_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 20321-2023?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 20321-2023 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.