BS EN IEC 62146-2:2023
$142.49
Capacitors for high‑voltage alternating current circuit‑breakers – TRV capacitors
Published By | Publication Date | Number of Pages |
BSI | 2023 | 26 |
PDF Catalog
PDF Pages | PDF Title |
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2 | undefined |
5 | Annex ZA (normative)Normative references to international publicationswith their corresponding European publications |
7 | English CONTENTS |
9 | FOREWORD |
11 | 1 Scope 2 Normative references |
12 | 3 Terms and definitions |
13 | 4 Abbreviated terms 5 Service conditions |
14 | 6 Ratings 6.1 Rated voltage (Ucr) 6.2 Rated insulation level Table 1 – Standard insulation levels – Range I (Ur < 300 kV) |
15 | Table 2 – Standard insulation levels – Range II (Ur ≥ 300 kV) |
16 | 6.3 Rated frequency (fr) 7 Design and construction 7.1 Capacitance tolerances 7.2 Capacitor loss requirements 7.3 Partial discharge level 7.4 Angle of mounting 7.5 Minimum withstand value of mechanical bending load 7.5.1 Capacitors mounted on air insulated circuit-breaker Table 3 – Partial discharge test voltages and permissible levels |
17 | 7.5.2 Immersed capacitors 7.5.3 Freestanding capacitors 7.6 Requirements for impregnation medium in capacitor 7.7 Protection against corrosion 7.8 Marking of the equipment |
18 | 7.9 Creepage distances for outdoor insulators 7.10 Tightness 8 Type tests 8.1 Information for identification of specimens 8.2 Information to be included in type-test reports 8.3 Test conditions 8.4 Electrical type tests 8.4.1 General |
19 | 8.4.2 Switching impulse voltage test 8.4.3 Lightning and chopped impulse voltage test Figure 1 – Electrical type tests sequence |
20 | 8.5 Voltage test at low and high temperature 8.5.1 Test procedure 8.5.2 Capacitor reduced-scale model design 8.6 Radio Interference Voltage (RIV) test Figure 2 – Reduced scale model capacitor element geometry |
21 | 8.7 Short-circuit discharge test 8.8 Resonance frequency measurements 8.9 Mechanical bending test 8.10 Tightness test at different temperatures 8.11 Tightness test to check gas ingress from pressurized environment 8.12 Vibration test |
22 | 9 Routine tests 9.1 General 9.2 Test conditions 9.3 Capacitance and loss angle measurements at power frequency 9.4 Power frequency voltage test Figure 3 – Electrical routine test sequence |
23 | 9.5 Partial discharge test 9.6 Tightness test 9.6.1 General 9.6.2 Oil impregnated capacitor 9.6.3 Tightness test for gas filled capacitors 9.7 Visual inspection and dimensional check |
24 | 10 Recommendations for transport, storage, erection, operation, and maintenance 11 Safety 11.1 General 11.2 Precautions by manufacturers 11.3 Precautions by users 11.4 National regulations |
25 | 12 Environmental aspects |