BSI 17/30352667 DC:2017 Edition
$13.70
BS EN 61869-201. Instrument transformers. Part 201. General requirements for Instrument Transformers for low voltage applications
Published By | Publication Date | Number of Pages |
BSI | 2017 | 18 |
PDF Catalog
PDF Pages | PDF Title |
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4 | CONTENTS |
6 | INTERNATIONAL ELECTROTECHNICAL COMMISSION INSTRUMENT TRANSFORMERS – Part 201: General requirements for Low Voltage Instrument Transformers FOREWORD |
9 | INSTRUMENT TRANSFORMERS – Part 1: General requirements for Low Voltage Instrument Transformers 1 Scope 2 Normative references 3 Terms and definitions 3.1 General definitions |
10 | 3.10 Definitions related to current ratings 1.4 Definitions related to accuracy 3.11 3.12 3.13 3.14 3.15 |
11 | 3.16 3.17 3.18 3.19 Definitions related to other ratings 3.21 Index of abbreviations and symbols 4 Normal and special service conditions 4.1 General |
12 | 4.2 Normal service conditions 4.2.1 Ambient temperature 4.2.2 Altitude 4.2.3 Vibrations or earth tremors 4.2.4 Other service conditions for indoor instrument transformers 4.2.5 Other service conditions for outdoor instrument transformers 4.3 Special service conditions 4.3.1 General |
13 | 4.3.2 Ambient temperature 4.3.3 Vibrations or earth tremors 4.3.4 Pollution 5 Ratings 5.1 Rated frequency 6 Design and construction 6.1 Electromagnetic Compatibility (EMC) 6.1.1 General 6.1.2 Requirements for immunity 6.2 Corrosion |
14 | 6.3 Markings 6.4 Documentation 6.5 Functional safety 7 Tests 7.1 General 7.1.1 Classification of tests 7.1.2 Sequence of tests 7.2 Type tests 7.2.1 General 7.2.1.1 Information for identification of specimen |
15 | 7.2.1.2 Information to be included in type test reports 7.2.2 Temperature-rise test 7.2.3 Test for accuracy 7.2.4 EMC tests 7.3 Routine tests 7.3.1 Test for accuracy 7.3.2 Verification of markings |
16 | 8 Rules for transport, storage, erection, operation and maintenance 8.1 General 8.2 Installation 8.2.1 General 8.2.2 Assembly 8.2.3 Mounting 8.2.4 Connections 9 Safety 10 Influence of products on the natural environment |
17 | Annex A (informative) Identification of test specimen A.1 General A.2 Data A.3 Drawings |
18 | Bibliography IEC 60028: International standard of resistance for copper |