prEN IEC 60931-1:2024

SLOVENSKI STANDARD
01-september-2024
Nesamoregulacijski vzporedni energetski kondenzatorji za izmenične tokovne
sisteme z naznačeno napetostjo do vključno 1000 V - 1. del: Splošno
Shunt power capacitors of the non-self-healing type for AC systems having a rated
voltage up to and including 1000 v - Part 1: General
Condensateurs shunt de puissance non autorégénérateurs pour réseaux à courant
alternatif de tension assignée inférieure ou égale à 1000 v - Partie 1: Généralités
Ta slovenski standard je istoveten z: prEN IEC 60931-1:2024
ICS:
29.120.99 Druga električna dodatna Other electrical accessories
oprema
31.060.70 Močnostni kondenzatorji Power capacitors
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

33/708/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 60931-1 ED3
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2024-06-28 2024-09-20
SUPERSEDES DOCUMENTS:
33/700/CD, 33/706A/CC
IEC TC 33 : POWER CAPACITORS AND THEIR APPLICATIONS
SECRETARIAT: SECRETARY:
Italy Mr Stefano Zunino
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:

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.
Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of which
they 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:
Shunt power capacitors of the non-self-healing type for AC systems having a rated voltage up to and
including 1000 V - Part 1: General

PROPOSED STABILITY DATE: 2027
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.

IEC CDV 60931-1 © IEC 2024 - 2 - 33/708/CDV
1 CONTENTS
3 FOREWORD . - 5 -
4 1 Scope and object . - 7 -
5 2 Normative references . - 7 -
6 3 Terms and Definitions . - 8 -
7 4 Service conditions . - 10 -
8 4.1 Normal service conditions . - 11 -
9 4.2 Unusual service conditions . - 11 -
10 5 Test requirements . - 12 -
11 5.1 General . - 12 -
12 5.2 Test conditions . - 12 -
13 6 Tests . - 12 -
14 6.1 Classification . - 12 -
15 6.1.1 Routine tests . - 12 -
16 6.1.2 Type tests . - 12 -
17 6.1.3 Acceptance tests . - 13 -
18 6.2 Capacitance measurement and output calculation . - 13 -
19 6.2.1 Measuring procedure . - 13 -
20 6.2.2 Capacitance tolerances . - 13 -
21 6.3 Measurement of the tangent of the loss angle (tan δ) of the capacitor . - 14 -
22 6.3.1 Measuring procedure . - 14 -
23 6.3.2 Loss requirements . - 14 -
24 6.4 Voltage tests between terminals . - 14 -
25 6.4.1 Routine test . - 14 -
26 6.4.2 Type test . - 14 -
27 6.5 Voltage tests between terminals and container . - 14 -
28 6.5.1 Routine test . - 14 -
29 6.5.2 Type test . - 15 -
30 6.6 Test of internal discharge device . - 15 -
31 6.7 Sealing test . - 15 -
32 6.8 Thermal stability test . - 16 -
33 6.9 Measurement of the tangent of the loss angle (tan δ) of the capacitor at elevated
34 temperature . - 17 -
35 6.9.1 Measuring procedure . - 17 -
36 6.9.2 Requirements . - 17 -
37 6.10 Lightning impulse voltage test between terminals and container. - 17 -
38 6.11 Discharge test . - 17 -
39 6.12 Ageing test . - 18 -
40 6.13 Destruction test . - 18 -
41 6.14 Disconnecting test on internal fuses . - 18 -
42 6.14.1 General . - 18 -
43 6.14.2 Test procedure . - 18 -
44 6.14.3 Capacitance measurement . - 19 -
45 6.14.4 Inspection of the unit . - 19 -
46 6.14.5 Voltage test after opening the container . - 19 -
47 7 Maximum permissible voltage . - 19 -
48 7.1 Long-duration voltages . - 19 -
49 7.2 Switching voltages . - 20 -
50 8 Maximum permissible current . - 20 -

IEC CDV 60931-1 © IEC 2024 - 3 - 33/708/CDV
51 9 Discharge device . - 20 -
52 10 Container connections . - 21 -
53 11 Protection of the environment . - 21 -
54 12 Other safety requirements . - 21 -
55 13 Marking of the unit . - 21 -
56 13.1 Rating plate . - 21 -
57 13.2 Standardized connection symbols . - 22 -
58 13.3 Warning plate . - 22 -
59 14 Marking of the bank . - 22 -
60 14.1 Instruction sheet or rating plate . - 22 -
61 14.2 Warning plate . - 22 -
62 15 General . - 23 -
63 16 Choice of the rated voltage . - 23 -
64 17 Operating temperature . - 24 -
65 17.1 General . - 24 -
66 17.2 Installation . - 24 -
67 17.3 High ambient air temperature . - 24 -
68 17.4 Evaluation of losses . - 24 -
69 18 Special service conditions . - 24 -
70 19 Overvoltages . - 25 -
71 20 Overload currents . - 25 -
72 21 Switching and protective devices and connections . - 26 -
73 22 Choice of creepage distance . - 27 -
74 23 Capacitors connected to systems with audio-frequency remote control . - 27 -
75 24 Electromagnetic compatibility (EMC) . - 27 -
76 24.1 Emission . - 27 -
77 24.2 Immunity . - 27 -
78 24.2.1 Low-frequency disturbances . - 27 -
79 24.2.2 Conducted transients and high-frequency disturbances . - 27 -
80 24.2.3 Electrostatic discharges . - 28 -
81 24.2.4 Magnetic disturbances . - 28 -
82 24.2.5 Electromagnetic disturbances . - 28 -
83 Annex A (normative) Additional definitions, requirements and tests for power filter
84 capacitors . - 29 -
85 A.1 Definitions. - 29 -
86 A.1.1 Band-pass and high-pass filter capacitor (filter capacitor) . - 29 -
87 A.1.2 Rated voltage (U ) (see 3.14) . - 29 -
N
88 A.1.3 Rated output (Q ) (see 3.13). - 29 -
N
89 A.1.4 Rated current (I ) (see 3.16) . - 29 -
N
90 A.2 Quality requirements and tests . - 29 -
91 A.2.1 Capacitance tolerance . - 29 -
92 A.2.2 Voltage test between terminals (see 6.4) . - 29 -
93 A.2.3 Thermal stability test (see 6.8) . - 30 -
94 A.3 Overloads - Maximum permissible current (see Clause 8) . - 30 -
95 A.4 Markings - Instruction sheet or rating plate (see 14.1) . - 30 -
96 A.5 Guide for installation and operation - Choice of the rated voltage (see Clause 16)- 30 -
97 Annex B (informative) Formulae for capacitors and installations .
...