BSI PD IEC TS 63042-301:2018
$167.15
UHV AC transmission systems – On-site acceptance tests
| Published By | Publication Date | Number of Pages |
| BSI | 2018 | 38 |
This part of IEC 63042, which is a technical specification, applies to on-site acceptance tests of electrical equipment with the highest voltages of AC transmission system exceeding 800 kV.
The electrical equipment exceeding 800 kV includes the following items:
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power transformers;
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circuit breakers;
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gas insulated switchgear (GIS);
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surge arresters;
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voltage and current transformers;
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shunt reactors;
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series compensators;
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insulators;
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disconnectors and earthing switches;
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high-speed earthing switches.;
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 4 | CONTENTS |
| 7 | FOREWORD |
| 9 | INTRODUCTION |
| 10 | 1 Scope 2 Normative references |
| 11 | 3 Terms and definitions 4 General 5 Power transformers 5.1 General |
| 12 | 5.2 Leak testing with pressure (tightness test) 5.3 Winding resistance measurement 5.4 Ratio test 5.5 Polarity check 5.6 Insulation resistance test on each winding to earth and between windings including bushings 5.7 Dissipation factor (tan δ) and capacitance measurement on each winding to earth and between windings |
| 13 | 5.8 Core and frame insulation check 5.9 Tests on bushings 5.9.1 Visual inspection 5.9.2 Tan δ and capacitance measurement 5.9.3 Tap withstand voltage 5.10 Insulating oil tests |
| 14 | 5.11 Dissolved gas analysis (DGA) test 5.12 Excitation current measurements at reduced voltage 5.13 Frequency-response analysis (FRA) 5.14 Short-circuit impedance measurement at reduced current 5.15 Induced voltage tests with partial discharge measurement Tables Table 1 – Requirements of insulating oil |
| 15 | 5.16 Applied voltage tests 6 Circuit breakers 6.1 General 6.2 Dielectric test on main circuit 6.3 Dielectric test on auxiliary circuit |
| 16 | 6.4 Measurement of the resistance of the main circuit 6.5 Checks after installation including gas tightness tests, gas quality, insulation resistance test 6.5.1 General 6.5.2 General checks 6.5.3 Checks of electrical circuits 6.5.4 Checks of the insulation and/or extinguishing fluid(s) |
| 17 | 6.5.5 Checks on operating fluid(s), where filled or added to on site 6.5.6 Site operations 6.6 Mechanical test and measurement |
| 18 | 6.7 Test of accessories 7 GIS 7.1 General Figure 1 – Delay time of opening resistor and pre-insertion time of closing resistor |
| 19 | 7.2 Dielectric tests on the main circuits |
| 20 | 7.3 Dielectric tests on auxiliary circuits 7.4 Measurement of the resistance of the main circuit Table 2 – On-site test voltages |
| 21 | 7.5 Gas tightness tests 7.6 Checks and verifications 7.7 Gas quality verifications 8 Surge arresters 8.1 General 8.2 Insulation resistance test |
| 22 | 8.3 Insulation resistance test of the base insulator 8.4 Leakage current test 8.5 Checks and verifications 8.6 Tests of accessories 9 Voltage and current transformers 9.1 Capacitive voltage transformers (CVTs) 9.1.1 General |
| 23 | 9.1.2 Insulation resistance measurement of low voltage terminal to earth terminal 9.1.3 Capacitance and dissipation factor (tan δ) measurement 9.1.4 Tightness of the liquid-filled capacitor voltage dividers 9.1.5 Winding resistance measurement of electromagnetic units 9.1.6 Insulation resistance measurement of each component of electromagnetic units 9.1.7 Connection check between components of electromagnetic units 9.1.8 Tightness of electromagnetic units |
| 24 | 9.1.9 Accuracy check (determination of error) 9.1.10 Damper check 9.2 Bushing-type CTs 9.2.1 General 9.2.2 Insulation resistance test 9.2.3 Resistance measurement |
| 25 | 9.2.4 Applied voltage test on secondary windings 9.2.5 Determination of error and polarity check 9.2.6 Excitation test 10 Shunt reactors 10.1 General |
| 26 | 10.2 Leak testing with pressure (tightness test) 10.3 Winding resistance measurement 10.4 Insulation resistance tests on each winding to earth and between windings including bushings 10.5 Dissipation factor (tan δ) and capacitance measurement on each winding to earth and between windings 10.6 Core and frame insulation check 10.7 Tests on bushings 10.7.1 Visual inspection 10.7.2 Tan δ and capacitance measurement |
| 27 | 10.7.3 Tap withstand voltage 10.8 Insulating oil tests 10.9 DGA test 10.10 Applied voltage tests 11 Series compensators 11.1 General |
| 28 | 11.2 Test on capacitors 11.3 Tests on metal oxide varistors 11.4 Tests on damping equipment |
| 29 | 11.5 Tests on spark gaps Table 3 – Tan δ (%) of bushings |
| 30 | 11.6 Tests on current transformers Table 4 – Limiting value of tan δ (%) |
| 31 | 11.7 Tests on by-pass switches 11.8 Tests on disconnectors |
| 32 | 11.9 Tests on insulators 11.10 Tests on control and protection systems 12 Insulators 12.1 General 12.2 On-site acceptance tests of suspension insulators 12.3 On-site acceptance tests of post insulators |
| 33 | 13 Disconnectors and earthing switches 13.1 Air-insulated disconnectors 13.1.1 General 13.1.2 Dielectric test on control and auxiliary circuits 13.1.3 Measurement of the resistance of the main circuit 13.1.4 Design and visual Inspection 13.1.5 Mechanical test 13.2 Air-insulated earthing switches 13.2.1 General 13.2.2 Appearance check 13.2.3 Dielectric tests on control and auxiliary circuits |
| 34 | 13.2.4 Mechanical test 14 High-speed earthing switches (HSES) 14.1 General 14.2 Dielectric test on main circuit 14.3 Dielectric test on auxiliary circuit 14.4 Measurement of the resistance of the main circuit 14.5 Checks and verifications after installation including gas tightness tests, gas quality, insulation resistance test 14.6 Mechanical tests and measurements |
| 35 | 14.7 Tests of accessories 14.8 CB and HSES operating sequence test |
| 36 | Bibliography |
