IEC 60633:1998/AMD1:2009

IEC 60633 ®
Edition 2.0 2009-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AMENDMENT 1
AMENDEMENT 1
Terminology for high-voltage direct current (HVDC) transmission

Terminologie pour le transport d'énergie en courant continu à haute tension
(CCHT)
IEC 60633:1998/A1:2009
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IEC 60633 ®
Edition 2.0 2009-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AMENDMENT 1
AMENDEMENT 1
Terminology for high-voltage direct current (HVDC) transmission

Terminologie pour le transport d'énergie en courant continu à haute tension
(CCHT)
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
E
CODE PRIX
ICS 29.200 ISBN 978-2-88910-239-6
– 2 – 60633 Amend. 1 © IEC:2009

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:

CDV Report on voting
22F/153/CDV 22F/163/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 committee has decided that the contents of this amendment and the base publication will
remain unchanged until the maintenance result 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• withdrawn,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.
_____________
5 General terms related to converter circuits
5.3
bridge (converter connection)
Replace the definition by the following:
double-way connection as illustrated on Figure 2, comprising six converter arms such that the
centre terminals are the phase terminals of the a.c. circuit, and that the outer terminals of like
polarity are connected together and are the d.c. terminals

Add the following new definitions to the end of Clause 5:
5.11
capacitor commutated converter
converter in which series capacitors are included between the converter transformer and the
valves (see Figure 13a)
5.12
controlled series capacitor converter
converter in which series capacitors are inserted between the a.c. filter bus and the a.c.
network (see Figu
...