BS EN IEC 61936-2:2023 – TC
$258.95
Tracked Changes. Power installations exceeding 1 kV AC and 1,5 kV DC – DC
| Published By | Publication Date | Number of Pages |
| BSI | 2023 | 122 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 69 | undefined |
| 72 | Annex ZA (normative)Normative references to international publicationswith their corresponding European publications |
| 74 | English CONTENTS |
| 78 | FOREWORD |
| 81 | INTRODUCTION |
| 82 | 1 Scope |
| 83 | 2 Normative references |
| 84 | 3 Terms, definitions, symbols and abbreviated terms 3.1 Terms and definitions |
| 86 | 3.2 Symbols and abbreviated terms 4 Fundamental requirements 4.1 General 4.1.1 General requirements Figures Figure 1 – Simplified example of a VSC scheme layout showingdemarcation of scope of this document with IEC 61936-1 |
| 87 | Figure 2 – Simplified example of a LCC bipole scheme layout showingdemarcation of scope of this document with IEC 61936-1 |
| 88 | 4.1.2 Agreements between supplier and user Tables Table 1 – References to subclauses where agreement betweensupplier and user is required |
| 89 | 4.2 Electrical requirements 4.2.1 Methods of DC neutral point earthing |
| 90 | Figure 3 – DC neutral point earthing for various DC configurations |
| 91 | 4.2.2 Voltage classification 4.2.3 Current in normal operation 4.2.4 Short-circuit current 4.2.5 Rated frequency |
| 92 | 4.2.6 Corona 4.2.7 Electric and magnetic fields 4.2.8 Overvoltages 4.2.9 Harmonics |
| 93 | 4.2.10 Electromagnetic compatibility 4.2.11 Radio interference |
| 94 | 4.3 Mechanical requirements 4.4 Climatic and environmental conditions 4.4.1 General |
| 95 | 4.4.2 Normal conditions |
| 96 | 4.4.3 Special conditions |
| 97 | 4.5 Particular requirements 4.5.1 Effects of small animals and micro-organisms 4.5.2 Noise level |
| 98 | 4.5.3 Transport 5 Insulation 5.1 General 5.2 Selection of insulation level 5.2.1 General 5.2.2 Consideration of methods of neutral earthing 5.2.3 Consideration of rated withstand voltages for AC and specified withstand voltages for DC 5.3 Verification of withstand values |
| 99 | 5.4 Minimum clearances of live parts 5.5 Minimum clearances between parts under special conditions 5.6 Tested connection zones |
| 100 | 6 Electrical Equipment 6.1 General requirements 6.2 Specific requirements 6.2.1 Switching devices 6.2.2 Power transformers and reactors 6.2.3 Prefabricated type-tested switchgear 6.2.4 Instrument transformers |
| 101 | 6.2.5 Surge arresters 6.2.6 Capacitors 6.2.7 Line traps 6.2.8 Insulators 6.2.9 Insulated cables 6.2.10 Conductors and accessories 6.2.11 Rotating electrical machines 6.2.12 Generating units 6.2.13 Generating unit main connections |
| 102 | 6.2.14 Static converters 6.2.15 Fuses 6.2.16 Electrical and mechanical interlocking 6.2.17 Resistors 6.2.18 Cooling system 7 DC Installations 7.1 General 7.1.1 Common requirements |
| 103 | 7.1.2 Circuit arrangement 7.1.3 Documentation 7.1.4 Transport routes 7.1.5 Aisles and access areas 7.1.6 Lighting 7.1.7 Operational safety 7.1.8 Labelling 7.2 Outdoor DC installations of open design 7.2.1 General |
| 104 | 7.2.2 Protective barrier clearances 7.2.3 Protective obstacle clearances 7.2.4 Boundary clearances 7.2.5 Minimum height over access area |
| 105 | 7.2.6 Clearances to buildings |
| 106 | 7.2.7 External fences or walls and access doors 7.3 Indoor DC installations of open design 7.4 Installation of prefabricated type-tested switchgear Figure 4 – Approaches with buildings (within closed electrical operating areas) |
| 107 | 7.5 Requirements for buildings 7.5.1 General 7.5.2 Structural provisions 7.5.3 Rooms for switchgear 7.5.4 Maintenance and operating areas |
| 108 | 7.5.5 Doors 7.5.6 Draining of insulating liquids 7.5.7 Heating, ventilation and air conditioning (HVAC) 7.5.8 Buildings which require special consideration 7.6 High voltage/low voltage prefabricated substations 7.7 Electrical installations on mast, pole and tower |
| 109 | 8 Safety measures 8.1 General 8.2 Protection against direct contact 8.2.1 General 8.2.2 Measures for protection against direct contact 8.2.3 Protection requirements 8.3 Means to protect persons in case of indirect contact 8.4 Means to protect persons working on or near electrical installations |
| 110 | 8.5 Protection from danger resulting from arc fault 8.6 Protection against direct lightning strokes 8.7 Protection against fire 8.8 Protection against leakage of insulating liquid and SF6 8.9 Identification and marking 9 Protection, automation and auxiliary systems 9.1 Protection systems 9.2 Automation systems 9.3 Auxiliary systems 9.4 Basic rules for electromagnetic compatibility of control systems |
| 111 | 10 Earthing systems 10.1 General 10.2 Fundamental requirements 10.2.1 Safety criteria |
| 112 | 10.2.2 Functional requirements 10.2.3 High and low voltage earthing systems Figure 5 – Touch voltage limit DC |
| 113 | 10.3 Design of earthing systems 10.3.1 General 10.3.2 Power system faults 10.3.3 Lightning and transient overvoltages |
| 114 | 10.4 Construction of earthing systems 10.5 Measurements 10.6 Maintainability 10.6.1 Inspections 10.6.2 Measurements 11 Inspection and testing 11.1 General 11.2 Verification of specified performances 11.3 Tests during installation and commissioning 11.4 Trial running 12 Operation and maintenance manual |
| 115 | Annex A (informative)Example of typical DC voltages with possible insulation levelsand corresponding air clearances |
| 116 | Table A.1 – Typical DC voltages and switching / lightning impulse withstand voltage |
| 117 | Table A.2 – Correlation between presumed rated switching impulseWithstand voltages and minimum phase-to-earth air clearances Table A.3 – Correlation between presumed rated lightning impulse withstand voltages and minimum phase-to-earth clearances |
| 118 | Annex B (normative)Method of calculating the voltage limit |
| 119 | Bibliography |
