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GB/T 2900.94-2015 English PDF

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GB/T 2900.94-2015: Electrotechnical terminology -- Instrument transformers
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GB/T 2900.94-2015English454 Add to Cart 4 days [Need to translate] Electrotechnical terminology -- Instrument transformers Valid GB/T 2900.94-2015

PDF similar to GB/T 2900.94-2015


Standard similar to GB/T 2900.94-2015

GB 1094.1   GB 1094.11   GB/T 2900.103   GB/T 2900.102   GB/T 2900.101   

Basic data

Standard ID GB/T 2900.94-2015 (GB/T2900.94-2015)
Description (Translated English) Electrotechnical terminology -- Instrument transformers
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K41
Classification of International Standard 01.040.31
Word Count Estimation 23,215
Date of Issue 2015-09-11
Date of Implementation 2016-04-01
Older Standard (superseded by this standard) GB/T 2900.15-1997
Adopted Standard IEC 60050-321-1986, NEQ
Regulation (derived from) National Standard Announcement 2015 No.25
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 terms and definitions Transformer. This standard applies to the revision of standards, technical documents, professional preparation and translation of manuals, textbooks and books and so on.

GB/T 2900.94-2015: Electrotechnical terminology -- Instrument transformers

---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.
(Electrotechnical terminology Transformers) ICS 01.040.31 K41 National Standards of People's Republic of China Partially replace GB/T 2900.15-1997 Electrotechnical terminology Transformer (IEC 60050-321. 1986, Internationalelectrotechnicalvocabulary- Part 321. Instrumenttransformers, NEQ) Issued on. 2015-09-11 2016-04-01 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 1 2 General terms and definitions 3 current transformers 3 Terms and definitions 4 voltage transformer terms and definitions 9 Index 13

Foreword

GB/T 2900 "Electrotechnical term" multi-part. This section GB/T 2900 Part 94. This section drafted in accordance with GB/T 1.1-2009 given rules. This Part replaces GB/T 2900.15-1997 "Electrotechnical terminology transformers, transformers, regulators and reactors" in the transformer section. This part of IEC 60050-321. 1986 "International Electrotechnical Vocabulary - Part 321. Transformers," the non-equivalent. This part of the National Electrotechnical Terminology Standardization Technical Committee (SAC/TC232) proposed. This part of the National Electrotechnical Terminology Standardization Technical Committee (SAC/TC232) and the National Standardization Technical Committee transformers (SAC / TC222) centralized. This section is drafted. Shenyang Transformer Research Institute Co., Ltd., TBEA Kangjia (Shenyang) Transformer Co., Ltd., a large Even the first Transformer Co., Ltd., Guizhou Electric Power Research Institute, Zhongshan City, Thailand Electric Co., Ltd., Dalian second transformer Group has Ltd., Zhejiang sky Transformer Co., Ltd., Chongqing Instrument Co., Ltd. Huahong. The main drafters of this section. Zhang Xianzhong, Liu Yufeng, Yu Sha Chau, Zhangqiu Yan, Heze Jian, Teng Shou-wide, Xu, Qinjiang Feng. Electrotechnical terminology Transformer

1 Scope

This section GB/T 2900 specifies the terms and definitions Transformer. This section applies to the revision of standards, technical documents, professional preparation and translation of manuals, textbooks and books and so on.

2 General terms and definitions

2.1 Transformer instrumenttransformer It aims to measuring instruments, meters and protection or control device or a transformer or electrical apparatus transmitting information signals similar. 2.2 Current transformer currenttransformer; CT Under normal conditions, the secondary current is substantially proportional to the primary current, and the phase difference is close to zero when the connection method is correct The transformers. 2.3 Voltage transformer voltagetransformer; VT Under normal conditions, the secondary voltage is substantially proportional to the primary voltage, and the phase difference is close to zero when the connection method is correct The transformers. 2.4 Combined Transformer combinedinstrumenttransformer A combination of current transformers and voltage transformers integral transformers. 2.5 Auto transformer instrumentauto-transformer The primary winding and the secondary winding of the transformer common portion. 2.6 DC Transformer directcurrentinstrumenttransformer DC transformer for the system related information to the measuring instruments, meters and protection or control devices. 2.7 Accuracy class accuracyclass Transformer given to the degree of error, it indicates a predetermined ratio and phase difference should be kept under the conditions of use prescribed limits Fewer. 2.8 The actual ratio actualtransformationratio The actual primary voltage or secondary voltage or current and the actual current ratio. Note. The change in the ratio of the current transformer can be called the current ratio, also called on the voltage transformer voltage ratio. 2.9 Rated transformation ratio ratedtransformationratio Rated primary or secondary voltage or current ratio of current and rated voltage.

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