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BSI PD IEC TS 63042-302:2021

BSI PD IEC TS 63042-302:2021

$198.66

UHV AC transmission systems – Commissioning

Published By Publication Date Number of Pages
BSI 2021 60
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This part of IEC 63042 applies to the commissioning of UHV AC transmission systems.

It mainly specifies the test purposes, test items, test preconditions, test methods and test acceptance criteria during pre-commissioning and system commissioning. Also, the measurement requirements for system commissioning are specified.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
7 FOREWORD
9 INTRODUCTION
10 1 Scope
2 Normative references
3 Terms and definitions
11 4 General
4.1 Requirements
4.2 Main purpose
12 4.3 General structure of commissioning
4.4 Scope of application
4.5 Technical preparation of system commissioning
Figures
Figure 1 – General structure of on-site acceptance tests and commissioning
Tables
Table 1 – Scope of application
13 5 Pre-commissioning
5.1 General
5.2 Combined test
5.2.1 General
5.2.2 Protection and control system test
Table 2 – Recommended test items of pre-commissioning
14 5.2.3 Instrument transformer test
5.2.4 Switchgear and transformer test
15 5.2.5 AC and DC power supply system test
5.3 Communication system test
6 System commissioning
6.1 General
Table 3 – Recommended test items of system commissioning
16 6.2 Test requirements
6.2.1 General
6.2.2 Energizing test of no-load UHV power transformer
6.2.3 Energizing test of tertiary connected reactor
17 6.2.4 Energizing test of tertiary connected capacitor
18 6.2.5 Energizing test of UHV busbar shunt reactor
6.2.6 Energizing test of UHV busbar
19 6.2.7 Energizing test of no-load UHV transmission line
20 6.2.8 Loop closing (interconnecting)/opening (splitting) test
21 7 Measurement in system commissioning
7.1 General
7.2 Measurement requirements
7.2.1 General
7.2.2 Transient voltage and current measurement
Table 4 – Recommended measurement items of system commissioning
22 7.2.3 Electric quantity measurement
7.2.4 Relay protection measurement
7.2.5 Harmonic measurement
7.2.6 Sound level measurement of power transformer/shunt reactor
23 7.2.7 Vibration measurement
7.2.8 DGA of power transformer/shunt reactor
7.2.9 Temperature measurement
Table 5 – DGA of UHV transformer, UHV reactor and neutral point reactor
24 7.2.10 Power frequency electric and magnetic field measurement of substation and transmission line
7.2.11 Audible noise measurement of substation and transmission line
7.2.12 Radio interference measurement of transmission line
7.2.13 Partial discharge monitoring in GIS/power transformer
25 Annex A (informative)Commissioning experiences in China
A.1 General
A.2 Overview
A.3 Regulations
A.4 Pre-commissioning
26 Table A.1 – Test items for pre-commissioning of UHV AC transmission projects
28 A.5 System commissioning
A.5.1 General
A.5.2 Technical preparations
29 A.5.3 Confirmation on preconditions for on-site commissioning
A.5.4 System commissioning tests
30 Table A.2 – System commissioning tests for UHV AC transmission projects
33 Figure A.1 – Circuit for test of UHV transformer with current increasing from zero
34 Figure A.2 – Circuit for test of UHV transformer with voltage increasing from zero
36 Figure A.3 – Circuit for loop closing (interconnecting)/opening (splitting)test operated by UHV transmission line circuit breakers
37 A.6 Measurement in system commissioning
A.6.1 General
Table A.3 – Measurement items in system commissioningfor UHV AC transmission projects
38 A.6.2 Measurement in system commissioning
41 Annex B (informative)Commissioning experiences in Japan
B.1 Overview
B.2 Regulations
B.3 Pre-commissioning in Japan
B.3.1 General
Table B.1 – Pre-commissioning items
42 B.3.2 Combined test
43 B.3.3 Communication system test
44 B.4 System commissioning in Japan
B.4.1 General
B.4.2 Energizing test
Table B.2 – System commissioning items
45 B.5 Measurement in system commissioning in Japan
B.5.1 General
46 B.5.2 Measurement in system commissioning
Figure B.1 – Circuit for transient voltage and current measurement
Table B.3 – Measurement items in system commissioning
49 Figure B.2 – Analysis results of electrostatic induced fieldin the vicinity of bushing above the ground
Figure B.3 – Electrostatic induction field intensity distribution
53 Annex C (informative)Commissioning experiences in India
C.1 Overview
54 C.2 Design, testing, installation, transportation and construction
Figure C.1 – Basic set-up at Bina 1 200 kV National Test Station
55 C.3 On-site acceptance tests
C.3.1 General
C.3.2 1 200/400 kV, 333 MVA single phase transformers
C.3.3 1 200 kV dead tank spring-spring type SF6 circuit-breakers
56 C.3.4 1 200 kV double break centre rotating and knee type disconnector
C.3.5 1 200 kV capacitive voltage transformers
C.3.6 850 kV surge arrestors
C.4 Commissioning
57 Figure C.2 – Typical variation in voltage over the period of 4 days at Bina1 200 kV National Test Station
58 Bibliography

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BSI PD IEC TS 63042-302:2021
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