Rotating electrical machines - Part 16-1: Excitation systems for synchronous machines - Definitions

IEC 60034-16-1:2011 defines terms applicable to the excitation systems of synchronous rotating electrical machines. The main technical changes with respect to the previous edition are some definitions which were added and some others which were brought up-to-date.

Machines électriques tournantes - Partie 16-1: Systèmes d'excitation pour machines synchrones - Définitions

La CEI 60034-16-1:2011 donne la définition des termes applicables aux systèmes d'excitation des machines électriques tournantes synchrones. Les principales modifications techniques par rapport à l'édition précédente sont quelques définitions qui ont été ajoutées et d'autres qui ont été mises à jour.

General Information

Status
Published
Publication Date
24-May-2011
Technical Committee
Drafting Committee
Current Stage
PPUB - Publication issued
Start Date
31-Aug-2011
Completion Date
25-May-2011
Ref Project

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IEC 60034-16-1 ®
Edition 2.0 2011-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Rotating electrical machines –
Part 16-1: Excitation systems for synchronous machines – Definitions

Machines électriques tournantes –
Partie 16-1: Systèmes d'excitation pour machines synchrones – Définitions

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IEC 60034-16-1 ®
Edition 2.0 2011-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Rotating electrical machines –
Part 16-1: Excitation systems for synchronous machines – Definitions

Machines électriques tournantes –
Partie 16-1: Systèmes d'excitation pour machines synchrones – Définitions

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX L
ICS 29.160 ISBN 978-2-88912-487-9

– 2 – 60034-16-1  IEC:2011
CONTENTS
FOREWORD . 3
1 Scope . 5
2 General . 5
3 Exciter categories . 10
4 Control functions . 11

Figure 1 – Block diagram of excitation control system . 6
Figure 2 – Determination of no-load field current I and air-gap field current I . 7
f0 fg
Figure 3 – Determination of excitation system nominal response, V . 9
e
60034-16-1  IEC:2011 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ROTATING ELECTRICAL MACHINES –

Part 16-1: Excitation systems for synchronous machines –
Definitions
FOREWORD
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International Standard IEC 60034-16-1 has been prepared by IEC technical committee 2:
Rotating machinery.
This second edition cancels and replaces the first edition, issued in 1991, and constitutes a
technical revision.
The major technical changes with regard to the previous edition are as follows:
Clause or
Change
subclause
2.1.1 Additional definition for digital excitation system
2.1.2 Additional definition for reversible excitation system
2.3 Edited definition of excitation control

– 4 – 60034-16-1  IEC:2011
2.4 Additional definition for excitation control system. Added block diagram of
excitation control system
2.17 Additional definition for excitation system negative ceiling voltage U
n
2.19 Edited definition of excitation system on-load ceiling voltage U

pL
2.20 Additional definition for excitation system on-load negative ceiling voltage U
nL
2.22 Additional definition for excitation system voltage response time
2.23 Additional definition for high initial response excitation system
3.1 Edited definition of rotating exciter
3.1.2 Edited definition of AC exciter
Additional definition for auxiliary winding source static exciter
3.2.3
Additional definition for pilot exciter
3.3
Edited definitions of control functions
4.1 to 4.7
The text of this standard is based on the following documents:
CDV Report on voting
2/1598/CDV 2/1617/RVC
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
NOTE A table of cross-references of all IEC TC 2 publications can be found on the IEC TC 2 dashboard on the
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The committee has decided that the contents of this 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.
60034-16-1  IEC:2011 – 5 –
ROTATING ELECTRICAL MACHINES –

Part 16-1: Excitation systems for synchronous machines –
Definitions
1 Scope
This part of IEC 60034 defines terms applicable to the excitation systems of synchronous
rotating electrical machines.
2 General
2.1
excitation system
equipment providing the field current of a machine, including all regulating and control
elements, as well as field discharge or suppression equipment and protective devices
2.1.1
digital excitation system
excitation system of a machine where some, if not all, of regulating, control, limiting and
protective functionality is implemented using digital technology
NOTE As a minimum, the voltage regulation function must be implemented digitally in such a system.
2.1.2
reversible excitation system
excitation system providing compulsory change of sign of magnetic flux, created by a winding
or excitation windings of a synchronous machine
2.2
exciter
source of the electrical power, providing field voltage and current of a synchronous machine,
regulated by excitation control
NOTE Examples of the source are:
a rotating machine, either d.c. or a.c. with associated rectifiers;
one or several transformers with associated rectifiers.
2.3
excitation control
control of excitation system modifying the excitation power, responding to signals
characteristic of the state of the system encompassing the synchronous machine, its exciter,
and the network to which it is connected
NOTE Synchronous machine voltage is predominantly the controlled quantity.
2.4
excitation control system
feedback control system that includes the synchronous machine operating in the power
system and its excitation system
NOTE 1 The term is used to distinguish the performance of the synchronous machine and excitation system in
closed loop control conjunction with the power system from that of the excitation system alone.

– 6 – 60034-16-1  IEC:2011
NOTE 2 Figure 1 shows a block diagram of an excitation control system.

Excitation Synchronous Power
Exciter
control machine system
Excitation system
Excitation control system
IEC  828/11
Figure 1 – Block diagram of excitation control system
2.5
field winding terminals
place of input to the field winding of the machine
NOTE 1 If there are brushes and slip-rings, these are considered to be part of the field winding.
NOTE 2 In a brushless machine, the connecting points between the rotating rectifier and the leads of the machine
field winding are the field winding terminals.
2.6
excitation system output terminals
place of output from the equ
...

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