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GB/T 31238-2014: 1 000 kV Current transformers technical specifications
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 31238-2014 | English | 209 |
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1 000 kV Current transformers technical specifications
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GB/T 31238-2014
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Basic data | Standard ID | GB/T 31238-2014 (GB/T31238-2014) | | Description (Translated English) | 1 000 kV Current transformers technical specifications | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K34 | | Classification of International Standard | 29.120 | | Word Count Estimation | 9,947 | | Quoted Standard | GB 1208; GB/T 2900.15; GB/T 2900.50; GB/T 2900.57; GB/T 11021; GB 16847; GB/Z 24836-2009; GB/Z 24843-2009 | | Regulation (derived from) | People's Republic of China Announcement of Newly Approved National Standards 2014 No. 22 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the 1 000 kV AC system GIS and bushings with respect electromagnetic current transformer conditions, ratings, technical performance requirements, structural requirements and tests requirements. This standard applies to installation | GB/T 31238-2014: 1 000 kV Current transformers technical specifications---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.
1 000 kV Current transformers technical specifications
ICS 29.120
K34
National Standards of People's Republic of China
1000kV AC current transformer Technical Specifications
Issued on. 2014-09-30
2015-04-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 conditions of use
Rating 2 5
2 6 technical performance requirements
7 structural requirements 4
8 Test 4
9 packaging, transportation, storage, file storage and factory 5
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard is proposed and managed by the China Electricity Council.
This standard is drafted by. State Grid Corporation, State Grid Electric Power Research Institute.
Participated in the drafting of this Standard. China Electric Power Research Institute, China Power Engineering Consulting Group Corporation, Hubei Electric Power Company power again
Institute experience, Xi'an Electric high voltage switch limited liability company, the high level Group Limited, Shanghai MWB Transformer Co., Ltd., Nanjing
Zhida Electric Co., Ltd.
The main drafters of this standard. Wang Xiaoqi, Sun Gang, Yu Chun-yu, Chen Guoqiang, Yeguo Xiong, Guo Keqin, Jintao, Wu Shipu, Li Xuan, Wang Ling.
1000kV AC current transformer Technical Specifications
1 Scope
This standard specifies the 1000kV AC system GIS and cannula with an electromagnetic current transformer conditions, ratings, technical performance
Requirements, structural requirements and testing and other requirements.
This standard applies to installations for 1000kVGIS and casing for electrical measurement instrumentation and protection equipment with a current transformer.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB 1208 current transformer
GB/T 2900.15 Electrotechnical terminology transformers, transformers, regulators and reactors
GB/T 2900.50 Electrotechnical terminology Generation, transmission and distribution of generic terms
GB/T 2900.57 Electrotechnical terminology Generation, transmission and distribution operations
GB/T 11021 electrical insulation thermal resistance rating
GB 16847 protection technology requirements for current transformers for transient performance
GB /Z24836-2009 1100kV gas insulated switchgear equipment specification
GB /Z24843-2009 1000kV auto single-phase oil-immersed power transformers technical specification
3 Terms and Definitions
GB 1208, GB/T 2900.15, GB/T 2900.50, GB/T 2900.57 and GB 16847 and the following definition of terms and definitions
Apply to this document.
4 Conditions of Use
4.1 normal conditions of use
4.1.1 Ambient temperature
Maximum ambient temperature. 40 ℃.
Daily average temperature. not exceeding 35 ℃.
Minimum ambient temperature. -25 ℃, (if necessary, can be -40 ℃).
4.1.2 Altitude
Altitude does not exceed 1000m.
4.2 Special conditions
4.2.1 Ambient temperature
Installation site ambient temperature significantly exceeded 4.1.1 listed in the normal conditions of use range, the minimum and maximum ambient temperature range of priorities
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