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BS EN IEC 61954:2021

BS EN IEC 61954:2021

$189.07

Static VAR compensators (SVC). Testing of thyristor valves

Published By Publication Date Number of Pages
BSI 2021 50
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PDF Pages PDF Title
2 undefined
5 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
8 English
CONTENTS
11 FOREWORD
13 1 Scope
2 Normative references
3 Terms and definitions
15 4 General requirements for type, production and optional tests
4.1 Summary of tests
Table 1 – List of tests
16 4.2 Objectives of tests
4.2.1 General
4.2.2 Dielectric tests
4.2.3 Operational tests
17 4.2.4 Electromagnetic interference tests
4.2.5 Production tests
4.2.6 Optional tests
4.3 Guidelines for the performance of type and optional tests
18 4.4 Test conditions
4.4.1 General
19 4.4.2 Valve temperature at testing
4.4.3 Redundant thyristor levels
20 4.5 Permissible component failures during type testing
4.6 Documentation of test results
4.6.1 Test reports to be issued
21 4.6.2 Contents of a type test report
5 Type tests on TCR and TSR valves
5.1 Dielectric tests between valve terminals and earth
5.1.1 General
Table 2 – Number of thyristor levels permitted to fail during type tests
22 5.1.2 AC test
5.1.3 Lightning impulse test
23 5.2 Dielectric tests between valves (MVU only)
5.2.1 General
5.2.2 AC test
24 5.2.3 Lightning impulse test
5.3 Dielectric tests between valve terminals
5.3.1 General
5.3.2 AC test
26 5.3.3 Switching impulse test
27 5.4 Operational tests
5.4.1 Periodic firing and extinction test
28 5.4.2 Minimum AC voltage test
29 5.4.3 Temperature rise test
6 Type tests on TSC valves
6.1 Dielectric tests between valve terminals and earth
6.1.1 General
30 6.1.2 AC-DC test
31 6.1.3 Lightning impulse test
32 6.2 Dielectric tests between valves (for MVU only)
6.2.1 General
6.2.2 AC-DC test
34 6.2.3 Lightning impulse test
6.3 Dielectric tests between valve terminals
6.3.1 General
6.3.2 AC-DC test
36 6.3.3 Switching impulse test
37 6.4 Operational tests
6.4.1 Overcurrent tests
39 Figure 1 – TSC branch
40 Figure 2 – One-loop overcurrent
41 6.4.2 Minimum AC voltage test
Figure 3 – Two-loop overcurrent
42 6.4.3 Temperature rise test
7 Electromagnetic interference tests
7.1 Objectives
7.2 Test procedures
7.2.1 General
43 7.2.2 Switching impulse test
7.2.3 Non-periodic firing test
8 Production tests
8.1 General
8.2 Visual inspection
8.3 Connection check
44 8.4 Voltage-dividing/damping circuit check
8.5 Voltage withstand check
8.6 Check of auxiliaries
8.7 Firing check
8.8 Cooling system pressure test
8.9 Partial discharge tests
9 Optional tests on TCR and TSR valves
9.1 Overcurrent test
9.1.1 Overcurrent with subsequent blocking
45 9.1.2 Overcurrent without blocking
9.2 Positive voltage transient during recovery test
9.2.1 Objectives
9.2.2 Test values and waveshapes
46 9.2.3 Test procedures
9.3 Non-periodic firing test
9.3.1 Objectives
9.3.2 Test values and waveshapes
47 9.3.3 Test procedures
48 10 Optional tests on TSC valves
10.1 Positive voltage transient during recovery test
10.1.1 Test objective
10.1.2 Test values and waveshapes
10.1.3 Test procedures
10.2 Non-periodic firing test
10.2.1 Objectives
49 10.2.2 Test values and waveshapes
50 10.2.3 Test procedures

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BS EN IEC 61954:2021
$189.07