EN IEC 62501:2024

SLOVENSKI STANDARD
oSIST prEN IEC 62501:2023
01-september-2023
Elektronke za pretvornike napetostnih virov (VSC) za enosmerni visokonapetostni
prenos električne energije (HVDC) - Električno preskušanje
Voltage sourced converter (VSC) valves for high-voltage direct current (HVDC) power
transmission - Electrical testing
Valves à convertisseur de source de tension (VSC) pour le transport d'énergie en
courant continu à haute tension (CCHT) - Essais électriques
Ta slovenski standard je istoveten z: prEN IEC 62501:2023
ICS:
29.200 Usmerniki. Pretvorniki. Rectifiers. Convertors.
Stabilizirano električno Stabilized power supply
napajanje
29.240.01 Omrežja za prenos in Power transmission and
distribucijo električne energije distribution networks in
na splošno general
oSIST prEN IEC 62501:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

oSIST prEN IEC 62501:2023
oSIST prEN IEC 62501:2023
22F/731/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 62501 ED2
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2023-06-16 2023-09-08
SUPERSEDES DOCUMENTS:
22F/714/CD, 22F/724A/CC
IEC SC 22F : POWER ELECTRONICS FOR ELECTRICAL TRANSMISSION AND DISTRIBUTION SYSTEMS
SECRETARIAT: SECRETARY:
IEC Secretariat Ms Suzanne Yap
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:

TC 115
Other TC/SCs are requested to indicate their interest, if any,
in this CDV to the secretary.
FUNCTIONS CONCERNED:
EMC ENVIRONMENT QUALITY ASSURANCE SAFETY
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee Draft for
Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.
This document is still under study and subject to change. It should not be used for reference purposes.
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are aware and to provide supporting documentation.
Recipients of this document are invited to submit, with their comments, notification of any relevant “In Some Countries”
clauses to be included should this proposal proceed. Recipients are reminded that the CDV stage is the final stage for
submitting ISC clauses. (SEE AC/22/2007 OR NEW GUIDANCE DOC).

TITLE:
Voltage sourced converter (VSC) valves for high-voltage direct current (HVDC) power transmission -
Electrical testing
PROPOSED STABILITY DATE: 2028
NOTE FROM TC/SC OFFICERS:
electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee positions.
You may not copy or "mirror" the file or printed version of the document, or any part of it, for any other purpose without
permission in writing from IEC.

oSIST prEN IEC 62501:2023
IEC CDV 62501 © IEC 2023 2 22F/731/CDV

1 CONTENTS
3 1 Scope . 7
4 2 Normative references . 7
5 3 Terms and definitions . 7
6 3.1 Insulation co-ordination terms . 7
7 3.2 Power semiconductor terms . 8
8 3.3 Operating states of converter . 8
9 3.4 VSC construction terms . 9
10 3.5 Valve structure terms . 10
11 4 General requirements . 10
12 4.1 Guidelines for the performance of type tests . 10
13 4.1.1 Evidence in lieu . 10
14 4.1.2 Selection of test object . 11
15 4.1.3 Test procedure . 12
16 4.1.4 Ambient temperature for testing . 12
17 4.1.5 Frequency for testing . 12
18 4.1.6 Test reports . 12
19 4.1.7 Conditions to be considered in determination of type test parameters . 12
20 4.2 Atmospheric correction factor . 12
21 4.3 Treatment of redundancy . 13
22 4.3.1 Operational tests . 13
23 4.3.2 Dielectric tests . 13
24 4.4 Criteria for successful type testing. 13
25 4.4.1 General . 13
26 4.4.2 Criteria applicable to valve levels . 13
27 4.4.3 Criteria applicable to the valve as a whole . 14
28 5 List of type tests . 15
29 6 Operational tests . 15
30 6.1 Purpose of tests . 15
31 6.2 Test object . 15
32 6.3 Test circuit . 16
33 6.4 Maximum continuous operating duty test . 16
34 6.5 Maximum temporary over-load operating duty test. 17
35 6.6 Minimum DC voltage test . 17
36 7 Dielectric tests on valve support structure . 18
37 7.1 Purpose of tests . 18
38 7.2 Test object . 18
39 7.3 Test requirements . 18
40 7.3.1 Valve support DC voltage test . 18
41 7.3.2 Valve support AC voltage test . 19
42 7.3.3 Valve support switching impulse test . 20
43 7.3.4 Valve support lightning impulse test . 20
44 8 Dielectric tests on multiple valve unit . 20

oSIST prEN IEC 62501:2023
IEC CDV 62501 © IEC 2023 3 22F/731/CDV

45 Purpose of tests . 20
8.1
46 8.2 Test object . 20
47 8.3 Test requirements . 21
48 8.3.1 MVU DC voltage test to earth . 21
49 8.3.2 MVU AC voltage test . 22
50 8.3.3 MVU switching impulse test . 22
51 8.3.4 MVU lightning impulse test . 23
52 9 Dielectric tests between valve terminals . 24
53 9.1 Purpose of the test . 24
54 9.2 Test object . 24
55 9.3 Test methods . 24
56 9.3.1 General . 24
57 9.3.1 Method one . 25
58 9.3.2 Method two . 25
59 9.4 Test requirements . 26
60 9.4.1 Composite AC – DC voltage test . 26
61 9.4.2 Alternative tests (Method 2 only) . 27
62 9.4.3 Valve impulse tests . 28
63 10 IGBT overcurrent turn-off test . 30
64 10.1 Purpose of test . 30
65 10.2 Test object . 31
66 10.3 Test requirements . 31
67 11 Short-circuit current test . 31
68 11.1 Purpose of tests . 31
69 11.2 Test object . 31
70 11.3 Test requirements . 32
71 12 Tests for valve insensitivity to electromagnetic disturbance . 32
72 12.1 Purpose of tests . 32
73 12.2 Test object . 32
74 12.3 Test requirements . 33
75 12.3.1 General . 33
76 12.3.2 Approach one . 33
77 12.3.3 Approach two . 33
78 12.3.4 Acceptance criteria . 33
79 13 Tests for dynamic braking valves . 33
80 14 Production tests . 34
81 14.1 General . 34
82 14.2 Purpose of tests . 34
83 14.3 Test object . 34
84 14.4 Test requirements . 34
85 14.5 Production test objectives . 34
86 14.5.1 Visual inspection . 34
87 14.5.2 Connection check . 34
88 14.5.3 Voltage-grading circuit check . 35
89 14.5.4 Control, protection and monitoring circuit checks . 35

oSIST prEN IEC 62501:2023
IEC CDV 62501 © IEC 2023 4 22F/731/CDV

90 Voltage withstand check . 35
14.5.5
91 14.5.6 Turn-on / turn-off check . 35
92 14.5.7 Pressure test . 35
93 15 Presentation of type test results . 35
94 Annex A (informative) Overview of VSC converters in HVDC power transmission . 36
95 A.1 General .
...