IEC TR 60919-2:2008/AMD1:2015

IEC TR 60919-2 ®
Edition 2.0 2015-06
TECHNICAL
REPORT
RAPPORT
TECHNIQUE
AMENDMENT 1
AMENDEMENT 1
Performance of high-voltage direct current (HVDC) systems with line-
commutated converters –
Part 2: Faults and switching
Fonctionnement des systèmes à courant continu haute tension (CCHT) munis
de convertisseurs commutés par le réseau –
Partie 2: Défauts et manoeuvres

IEC TR 60919-2:2008-11/AMD1:2015-06(en-fr)

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IEC TR 60919-2 ®
Edition 2.0 2015-06
TECHNICAL
REPORT
RAPPORT
TECHNIQUE
AMENDMENT 1
AMENDEMENT 1
Performance of high-voltage direct current (HVDC) systems with line-

commutated converters –
Part 2: Faults and switching
Fonctionnement des systèmes à courant continu haute tension (CCHT) munis

de convertisseurs commutés par le réseau –

Partie 2: Défauts et manoeuvres

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.200; 29.240.99 ISBN 978-2-8322-2719-0

– 2 – IEC TR 60919-2:2008/AMD1:2015
© IEC 2015
FOREWORD
This amendment has been prepared by subcommittee 22F: Power electronics for electrical
transmission and distribution systems, of IEC technical committee 22: Power electronic
systems and equipment.
The text of this amendment is based on the following documents:
DTR Report on voting
22F/344/DTR 22F/345A/RVC
Full information on the voting for the approval of this amendment can be found in the report
on voting indicated in the above table.
The French version of this amendment has not been voted upon.
The committee has decided that the contents of this amendment and the base publication will
remain unchanged until the stability date indicated on the IEC web site under
"http://webstore.iec.ch" in the data related to the specific publication. At this date, the
publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
_____________
© IEC 2015
2 Normative references
Replace the existing reference to “IEC TR 60919-1:2005”by the following new reference:
IEC TR 60919-1:2010, Performance of high-voltage direct current (HVDC) systems with line-
commutated converters – Part 1: Steady-state conditions
Amendment 1:2013
Replace the existing words “IEC 60919-3”by “IEC TR 60919-3:2009”.
4.2 Energization and de-energization of a.c. side equipment
Replace the second existing sentence of the eighth paragraph by the following new sentence:
When disconnecting a converter transformer from the a.c. network, the transformer should be
disconnected maintaining the a.c. filters connected in parallel if possible, instead of
disconnecting the transformer alone or by using synchronizing devices.
Delete, in the ninth paragraph of this subclause, the sentence starting with "Some
breakers …".
5.3.2 Power transfer during faults
Replace, in the fourth paragraph of this subclause, the existing words “reactive control”by
“reactive power control”.
5.3.6 Switching of reactive power equipment
Delete the fourth existing paragraph of this subclause.
5.3.7 Effects of harmonic voltages and current during faults
Add, at the end of the fourth paragraph of this subclause, the following new sentences:
In this case that digital type relays were used, misoperation could be prevented for some
degree of harmonic component. However, it should be taken into account that existing relays
of old type do not have immunity to harmonics.

– 4 – IEC TR 60919-2:2008/AMD1:2015
© IEC 2015
Figure 2 – Example of voltage dependent control characteristics
Replace the existing figure and key by the following new figure and new key:
1,0
For decreasing I :
o
Ramp or exponential
( = 20 ms,  = 10 ms)
R I
0,8
For increasing I :
o
Ramp or exponential
0,6
( = 20 ms,  = 10 ms)
R I
0,4
Rectifier
Inverter
0,2
0,2 0,4 0,6 0,8 1,0 U p.u.
d
IEC
Key
U d.c. voltage
d
I current order
o
τ and τ rectifier and inverter time constants, respectively
R I
Figure 2 – Example of voltage dependent control characteristics

6.1 General
Delete, in the existing second paragraph of this s
...