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BS EN 62927:2017+A1:2023

BS EN 62927:2017+A1:2023

$189.07

Voltage sourced converter (VSC) valves for static synchronous compensator (STATCOM). Electrical testing

Published By Publication Date Number of Pages
BSI 2023 46
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PDF Catalog

PDF Pages PDF Title
2 undefined
5 Blank Page
7 English
CONTENTS
10 FOREWORD
12 1 Scope
2 Normative references
3 Terms and definitions
3.1 Insulation co-ordination terms
13 3.2 Power semiconductor terms
3.3 Operating states of converter
14 3.4 STATCOM construction terms
15 3.5 Valve structure terms
16 4 General requirements
4.1 Guidelines for the performance of type tests
4.1.1 General
4.1.2 Dielectric tests
4.1.3 Operational tests
4.1.4 Electromagnetic interference tests
4.1.5 Evidence in lieu
17 4.1.6 Test object
4.1.7 Test procedure
4.1.8 Ambient temperature for testing
4.1.9 Frequency for testing
4.1.10 Conditions to be considered in determination of type test parameters
4.1.11 Test reports
4.2 Atmospheric correction factor
Tables
Table 1 – Minimum number of valve levels to be tested as a function of the number of valve levels per valve
18 4.3 Treatment of redundancy
4.3.1 Operational tests
4.3.2 Dielectric tests
19 4.4 Permissible component failures during type testing
5 List of tests
Table 2 – Valve level faults permitted during type tests
20 6 Operational tests
6.1 Purpose of tests
6.2 Test object
Table 3 – List of type tests
21 6.3 Test circuit
6.4 Maximum continuous operating duty test
22 6.5 Maximum temporary overload operating duty test
6.6 Minimum start voltage test
23 7 Dielectric tests on valve support
7.1 Purpose of tests
7.2 Test object
7.3 Test requirements
7.3.1 Valve support DC voltage test
24 7.3.2 Valve support AC voltage test
25 7.3.3 Valve support lightning impulse test
8 Dielectric tests on multiple valve unit (MVU)
8.1 General
8.2 Purpose of tests
8.3 Test object
26 8.4 Test requirements
8.4.1 MVU AC voltage test
8.4.2 MVU DC voltage test
8.4.3 MVU lightning impulse test
27 9 Dielectric tests between valve terminals
9.1 Purpose of the test
9.2 Test object
9.3 Test methods
9.3.1 General
28 9.3.2 Method 1
9.3.3 Method 2
9.4 Test requirements
9.4.1 Valve AC voltage or AC-DC voltage test
30 9.4.2 Valve switching impulse test
31 10 IGBT overcurrent turn-off test
10.1 Purpose of test
10.2 Test object
10.3 Test requirements
32 11 Tests for valve insensitivity to electromagnetic disturbance
11.1 Purpose of tests
11.2 Test object
33 11.3 Test requirements
11.3.1 General
11.3.2 Approach 1
11.3.3 Approach 2
11.3.4 Acceptance criteria
12 Short-circuit current test
12.1 Purpose of tests
34 12.2 Test object
12.3 Test requirements
13 Production tests
13.1 General
13.2 Purpose of tests
13.3 Test object
35 13.4 Test requirements
13.5 Production test objectives
13.5.1 Visual inspection
13.5.2 Connection check
13.5.3 Voltage-grading circuit check
13.5.4 Control, protection and monitoring circuit checks
13.5.5 Voltage withstand check
13.5.6 Turn-on/turn-off check
13.5.7 Pressure test
36 14 Presentation of type test results
37 Annex A (informative) Overview of STATCOM valves
A.1 General
A.2 STATCOM applications and operating limits
38 A.3 Overview of STATCOM valve types
A.4 STATCOMs based on switch type valve
A.4.1 General
Figures
Figure A.1 – STATCOM U-I characteristics
39 A.4.2 Two-level converter
A.4.3 Three-level converters
Figure A.2 – Two-level converter
40 A.4.4 Multi-level converters
Figure A.3 – Three-level NPC converter
Figure A.4 – Three-level flying capacitor converter
41 A.5 STATCOMs based on controllable voltage source type valve
Figure A.5 – Modular multilevel converter
42 A.6 Valve switching principles
Figure A.6 – Single-phase full-bridge converter
Figure A.7 – Two-level converter output voltage
43 Figure A.8 – Output voltage shape of three-level converter and modular multi-level converter
44 Annex B (informative) Valve component fault tolerance
45 Bibliography

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BS EN 62927:2017+A1:2023
$189.07