HOME   Cart(0)   Quotation   About-Us Policy PDFs Standard-List
www.ChineseStandard.net Database: 189760 (18 Oct 2025)

NB/T 42021-2013 English PDF

US$769.00 ยท In stock
Delivery: <= 6 days. True-PDF full-copy in English will be manually translated and delivered via email.
NB/T 42021-2013: Dry-type converter transformers for high voltage frequency control
Status: Valid
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
NB/T 42021-2013English769 Add to Cart 6 days [Need to translate] Dry-type converter transformers for high voltage frequency control Valid NB/T 42021-2013

PDF similar to NB/T 42021-2013


Standard similar to NB/T 42021-2013

GB/T 10228   GB 19212.5   JB/T 9646   NB/T 42020   NB/T 42022   NB/T 42019   

Basic data

Standard ID NB/T 42021-2013 (NB/T42021-2013)
Description (Translated English) Dry-type converter transformers for high voltage frequency control
Sector / Industry Energy Industry Standard (Recommended)
Classification of Chinese Standard K41
Classification of International Standard 29.180
Word Count Estimation 31,359
Quoted Standard GB/T 191; GB 1094.1; GB 1094.5; GB 1094.11; GB/T 1094.12; GB/T 3859.1; GB 4208; GB/T 12668.4; GB/T 18494.1; JB/T 3837; JB/T 10088
Regulation (derived from) National Energy Board Notice 2013 No. 6; industry standard for filing Notice No. 2 of 2014 (No. 170 overall)
Issuing agency(ies) National Energy Administration
Summary This standard specifies the VFD terms and definitions used three-phase converter transformers, conditions of use, product type, link, technical requirements, test items and methods, marking, packaging, transportation and storage. This standard applies to

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of NB/T 42021-2013_English be delivered?

Answer: Upon your order, we will start to translate NB/T 42021-2013_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 6 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of NB/T 42021-2013_English with my colleagues?

Answer: Yes. The purchased PDF of NB/T 42021-2013_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 [email protected]. 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.