BSI PD IEC TS 63042-201:2018
$198.66
UHV AC transmission systems – UHV AC substation design
Published By | Publication Date | Number of Pages |
BSI | 2018 | 64 |
This part of 63042, which is a Technical Specification, provides common rules for the design of substations with the highest voltages of AC transmission systems exceeding 800 kV, so as to provide safety and proper functioning for the intended use.
PDF Catalog
PDF Pages | PDF Title |
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2 | undefined |
4 | CONTENTS |
8 | FOREWORD |
10 | 1 Scope 2 Normative references |
11 | 3 Terms and definitions |
12 | 4 UHV AC substation requirement 4.1 General requirement 4.2 System demands Figures Figure 1 – Bird’s-eye view of a typical UHV AC substation |
13 | 4.3 Operation and maintenance requirements 4.4 Construction requirements 4.5 Site condition |
14 | 4.6 Environmental impact 4.7 Economy 5 Bus scheme and feeder connection 5.1 General |
15 | 5.2 Scheme at high-voltage side of main transformer Figure 2 – Double busbar (DB) with or without bus section connection |
16 | 5.3 Scheme at intermedium-voltage side of main transformer 5.4 Scheme at low-voltage side of main transformer Figure 3 – One-and-a-half circuit breaker (OHCB) Figure 4 – Two-circuit breaker (2CB) |
17 | 5.5 System neutral earthing mode of a UHV AC substation Figure 5 – Example diagram of a bus scheme and feeder connection |
18 | 6 Selection of equipment and conductors 6.1 General 6.1.1 Voltage 6.1.2 Rated current 6.1.3 Rated frequency 6.2 Basic requirements 6.2.1 Electrical requirements |
19 | 6.2.2 Mechanical requirements 6.2.3 Environmental conditions |
20 | 6.3 Transformer |
21 | 6.4 UHV shunt reactor and neutral-earthing reactor 6.5 UHV switchgear |
22 | 6.6 UHV circuit breaker 6.7 UHV disconnector |
23 | 6.8 UHV earthing switch for maintenance |
24 | 6.9 High-speed earthing switch 6.10 UHV current transformer 6.11 UHV voltage transformer Tables Table 1 – Comparison of a four-legged reactor and HSES |
25 | 6.12 UHV surge arrester 6.13 Reactive power compensation device for low voltage side of UHV transformer 6.14 UHV bushing |
26 | 6.15 UHV insulator 6.16 UHV conductor 6.16.1 General 6.16.2 Conductor type |
27 | 6.16.3 Selection of current-carrying capacity (cross-section) 6.16.4 Corona and radio interference Table 2 – Comparison of conductors |
28 | 6.16.5 Mechanical strength 7 Equipment layout 7.1 General requirement of equipment layout 7.1.1 General 7.1.2 Optimization of substation layout 7.1.3 Seismic performance 7.1.4 Construction, serviceability and reliability and failure response ability |
29 | 7.2 Minimum clearances 7.2.1 Normal environmental conditions 7.2.2 Minimum clearances in air-voltage range 7.3 Electromagnetic environment 7.3.1 Electrostatic induction mitigation design |
30 | 7.3.2 Magnetic induction mitigation design 7.3.3 Audible noise mitigation design |
31 | 7.4 Selection of switchgear equipment 7.5 Switchgear Installations layout 7.5.1 General 7.5.2 Location arrangement of switchgear |
32 | 7.5.3 Basic arrangement of surge arresters 7.5.4 Optimal gas-insulated busbar (GIB) layout and length 7.5.5 Utilization of working space for substations |
33 | 7.6 Protection against direct lightning strike 7.7 Earthing systems 7.7.1 General considerations Figure 6 – Typical configuration of UHV gas-insulated switchgear and crane location |
34 | 7.7.2 Multiple point earthing method for GIS |
35 | 7.8 Seismic design 7.8.1 General 7.8.2 Basic seismic design Figure 7 – Earthing methods |
36 | 7.8.3 Special seismic performance for UHV AC substation equipment Figure 8 – Flow chart for seismic qualification |
37 | 8 Control, protection and communication 8.1 General 8.2 Control system |
38 | 8.3 Relay protection 8.3.1 General 8.3.2 Duplicated configuration of UHV AC equipment relay protection 8.3.3 UHV transformer protection |
39 | 8.4 Communication 8.5 Electromagnetic compatibility requirements for control and protection equipment |
40 | 9 DC and AC auxiliary power supply system 9.1 General 9.2 DC power supply system 9.3 AC auxiliary power supply system |
41 | 9.4 AC uninterruptible power supply (UPS) system 10 UHV gantry, support and foundation design 10.1 UHV gantry and support design 10.1.1 General 10.1.2 Load and combination of loads |
42 | 10.1.3 Detailing requirements |
43 | 10.2 GIS or MTS foundation design Figure 9 – Example of continuous UHV gantry and independent gantry |
44 | Figure 10 – GIS foundation forms |
45 | Annex A (informative)Load combination of UHV AC equipment Table A.1 – Example of load combination for UHV AC equipment |
46 | Annex B (informative)Specification of UHV AC equipment and conductor Table B.1 – UHV voltage specification Table B.2 – Specification of UHV short-circuit current Table B.3 – Noise specification |
47 | Table B.4 – Surge arrester specification applied in different countries |
48 | Annex C (informative)1 000 kV outdoor overhead flexible conductor for UHV AC substations in China C.1 General C.2 Environmental conditions C.3 Current-carrying capacity and thermal stability check C.3.1 Current-carrying capacity check |
49 | C.3.2 Thermal stability check Table C.1 – Current-carrying capacity of bundle conductor |
50 | C.4 Determination of bundle spacing C.4.1 General C.4.2 Calculation of maximum electric field strength around conductor |
51 | C.5 Corona inception voltage Figure C.1 – Relationship between maximum electric field strength and bundle spacing |
52 | C.6 Electric field strength on ground caused by electrostatic induction Table C.2 – Corona inception voltage of conductor |
53 | Figure C.2 – Layout plan of main transformer incoming lines |
54 | Annex D (informative)Corona noise reduction measures of a UHV AC substation conductor under the rainy condition in Japan D.1 Basic concept of corona noise reduction D.2 Structure design of UHV AC substation conductor |
55 | Figure D.1 – Conductor design of UHV AC substation Table D.1 – Estimated values of corona noise of UHV AC transmission line |
56 | D.3 Design criteria of partial discharge on UHV AC substation conductor D.4 Corona noise measurement of the entrance in UHV AC test station Table D.2 – Design criteria of partial discharge on UHV AC substation conductors |
57 | Table D.3 – Results of corona noise measurements and average value of corona noise |
58 | Annex E (informative)Typical examples of items to be considered to select switchgear type Table E.1 – The principal technology designs for substations (CIGRE TB 570) |
59 | Table E.2 – Typical examples of items to be considered to select switchgear type |
60 | Annex F (informative)Standards related to seismic design F.1 Typical seismic guide and standards F.2 Comparison of main items among the seismic standards Table F.1 – Typical seismic guide and standards Table F.2 – Comparison of main items among seismic standards |
61 | Bibliography |