GB/T 12668.1-2002 English PDFUS$1674.00 ยท In stock
Delivery: <= 8 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 12668.1-2002: Adjustable speed electrical power drive systems -- Part 1: General requirements -- Rating specifications for low voltage adjustable speed d.c. power drive systems Status: Valid GB/T 12668.1: Historical versions
Basic dataStandard ID: GB/T 12668.1-2002 (GB/T12668.1-2002)Description (Translated English): Adjustable speed electrical power drive systems. Part 1: General requirements. Rating specifications for low voltage adjustable speed d.c power drive systems Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: K62 Classification of International Standard: 29.160.30 Word Count Estimation: 73,711 Date of Issue: 2002-11-25 Date of Implementation: 2003-06-01 Adopted Standard: IEC 61800-1-1997, IDT Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China Summary: This standard applies to general purpose DC variable speed drive, the system including power converters, control devices and one or more electric motors. Does not apply to vehicles and electric traction drive transmission. This section applies to connecting the AC power supply voltage 1kV and below, 50Hz or 60Hz electrical power drive systems (PDS). IEC 61800-3 includes electromagnetic compatibility (EMC) characteristics. This section presents the characteristics of the converter and its relationship with the entire DC drive. Also provides information on current transformer rating, the normal conditions of use, overload, surge capacity, stability, protection, grounding, and testing and other AC power performance requirements. In addition, the standard also addresses such as control programs, diagnostics and topology application guide. This section is intended to pass DC PDS performance, rather than on each subsystem functional unit to define the entire DC PDS. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 12668.1-2002_English be delivered?Answer: Upon your order, we will start to translate GB/T 12668.1-2002_English as soon as possible, and keep you informed of the progress. The lead time is typically 5 ~ 8 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 12668.1-2002_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 12668.1-2002_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+ countriesQuestion 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 12668.1-2002?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 12668.1-2002 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. |
