2025-5-14 18.97.14.88
Code of China Chinese Classification Professional Classification ICS Classification Latest News Value-added Services

Position: Chinese Standard in English/GB/T 7449-1987
GB/T 7449-1987   Guide to the lightning impulse and switching impulse testing of power transformers and reactors (English Version)
Standard No.: GB/T 7449-1987 Status:superseded remind me the status change

Email:

Language:English File Format:PDF
Word Count: 14500 words Price(USD):430.0 remind me the price change

Email:

Implemented on:1987-10-1 Delivery: via email in 1~5 business day
,,
Standard No.: GB/T 7449-1987
English Name: Guide to the lightning impulse and switching impulse testing of power transformers and reactors
Chinese Name: 电力变压器和电抗器的雷电冲击和操作冲击试验导则
Chinese Classification: K04    Basic standards and general methods
Professional Classification: GB    National Standard
Issued by: National Bureau of Standards
Issued on: 1987-03-16
Implemented on: 1987-10-1
Status: superseded
Superseded by:GB/T 1094.4-2005 Power transformers - Part 4: Guide to the lightning impulse and switching impulse testing - Power transformers and reactors
Superseded on:2006-4-1
Language: English
File Format: PDF
Word Count: 14500 words
Price(USD): 430.0
Delivery: via email in 1~5 business day
本导则的目的是对电力变压器的雷电冲击和操作冲击试验的现行方法提供一个准则并作一些说明,以作为GB1094.3-1985的补充。本导则的内容通常也适用于电抗器,至于电磁式电压互感器也可以参照执行。本导则包括试验电路、接线、波形及试验时接地、故障检测方法、试验程序、测量技术以及试验结果分析等方面。本导则所述的一切试验技术,尽可能采用GB 311.2~311.6-83中所规定的内容。
GB/T 7449-1987 is referred in:
* GB 1094.3-2003 Power transformers?Part 3:Insulation levels,dielectric tests and external clearances in air
* GB/T 13499-2002 Power transformers--Application guide
Code of China
Standard
GB/T 7449-1987  Guide to the lightning impulse and switching impulse testing of power transformers and reactors (English Version)
Standard No.GB/T 7449-1987
Statussuperseded
LanguageEnglish
File FormatPDF
Word Count14500 words
Price(USD)430.0
Implemented on1987-10-1
Deliveryvia email in 1~5 business day
Detail of GB/T 7449-1987
Standard No.
GB/T 7449-1987
English Name
Guide to the lightning impulse and switching impulse testing of power transformers and reactors
Chinese Name
电力变压器和电抗器的雷电冲击和操作冲击试验导则
Chinese Classification
K04
Professional Classification
GB
ICS Classification
Issued by
National Bureau of Standards
Issued on
1987-03-16
Implemented on
1987-10-1
Status
superseded
Superseded by
GB/T 1094.4-2005 Power transformers - Part 4: Guide to the lightning impulse and switching impulse testing - Power transformers and reactors
Superseded on
2006-4-1
Abolished on
Superseding
Language
English
File Format
PDF
Word Count
14500 words
Price(USD)
430.0
Keywords
GB/T 7449-1987, GB 7449-1987, GBT 7449-1987, GB/T7449-1987, GB/T 7449, GB/T7449, GB7449-1987, GB 7449, GB7449, GBT7449-1987, GBT 7449, GBT7449
Introduction of GB/T 7449-1987
本导则的目的是对电力变压器的雷电冲击和操作冲击试验的现行方法提供一个准则并作一些说明,以作为GB1094.3-1985的补充。本导则的内容通常也适用于电抗器,至于电磁式电压互感器也可以参照执行。本导则包括试验电路、接线、波形及试验时接地、故障检测方法、试验程序、测量技术以及试验结果分析等方面。本导则所述的一切试验技术,尽可能采用GB 311.2~311.6-83中所规定的内容。
Contents of GB/T 7449-1987
About Us   |    Contact Us   |    Terms of Service   |    Privacy   |    Cancellation & Refund Policy   |    Payment
Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886
Copyright: TransForyou Co., Ltd. 2008-2040
 
 
Keywords:
GB/T 7449-1987, GB 7449-1987, GBT 7449-1987, GB/T7449-1987, GB/T 7449, GB/T7449, GB7449-1987, GB 7449, GB7449, GBT7449-1987, GBT 7449, GBT7449