IEEE 421.4 2004

$44.96

IEEE Guide for the Preparation of Excitation System Specifications

Published By	Publication Date	Number of Pages
IEEE	2004	45

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Description

Revision Standard – Active. Revision of IEEE Std 421.4-1990 This guide is intended to provide to the specification writer the information to prepare a specification for the purchase of an excitation system. This guide is presented in narrative form with descriptions of functions typical of excitation systems. Narrative is provided describing types of excitation systems and information required for sizing the excitation system.

PDF Catalog

PDF Pages	PDF Title
2	IEEE Guide for the Preparation of Excitation System Specifications
4	Introduction Notice to users
5	Participants
6	Contents
8	IEEE Guide for the Preparation of Excitation System Specifications 1. Overview
9	2. References 3. Definitions 3.1 digital excitation system: A common nomenclature for describing an excitation system for a sy… 3.2 excitation control system: The feedback control system that includes the synchronous machine … 3.3 excitation system: The equipment providing field current for a synchronous machine, including…
10	3.4 excitation system stabilizer: A function that serves to modify the voltage regulator forward … 3.5 exciter: The equipment that provides the field current for the excitation of a synchronous ma… 3.6 line drop compensator: A function that modifies the machine terminal voltage to compensate fo… 3.7 power system stabilizer (PSS): A function that provides an additional input to the voltage re… 3.8 reactive droop compensator: A function that causes a reduction of terminal voltage proportion… 3.9 reactive differential compensator: A function used to obtain reactive current sharing among s… 3.10 synchronous machine regulator: A general term applied to a regulator that couples the output… 3.11 voltage regulation accuracy: The band or zone, expressed in percent of the rated value of th… 4. Introduction 4.1 Basics
11	4.2 Operating models 4.3 Installation 4.4 Conventions 4.5 Insulation systems 4.6 Diodes and thyristors
12	4.7 Availability 4.8 Redundancy of equipment
13	4.9 Spare parts
14	5. Exciter rating considerations 5.1 General 5.2 Steady-state ratings
15	5.3 Transient requirements
16	6. Exciter type and power source considerations 6.1 General
17	6.2 Operation parameters 6.3 Excitation systems for rotating exciters
18	6.4 Rotating dc generator-commutator exciters 6.5 Rotating ac exciters 6.6 Static exciters
20	7. Excitation system performance measures and synchronous machine regulator considerations
21	7.1 Manual control performance 7.2 Automatic control performance (including the synchronous machine)
24	7.3 Auxiliary control functions
28	8. Control considerations 8.1 De-excitation 8.2 Unit manual control
29	8.3 Unit automatic control 8.4 Unit automatic start/stop 8.5 Unit automatic voltage matching 8.6 Setpoint adjusters
30	8.7 Setpoint tracking 8.8 Control circuit interface to power plant circuits
31	8.9 Data logging 8.10 Communication interface for digital excitation systems 9. Protection considerations 9.1 General requirements 9.2 Protective action 9.3 Annunciation action
32	10. Environmental and enclosure considerations 10.1 Environmental 10.2 Enclosure
33	10.3 Instruments and controls for remote mounting 11. Information to be provided by the manufacturer 11.1 General requirements
34	11.2 Information that may be provided at the time of submission of proposals 11.3 Information provided prior to delivery of the equipment 11.4 Information to be provided with equipment when it is delivered 11.5 Photographs
35	11.6 Drawing review procedure during project stage 11.7 Drawing review after commissioning is completed 12. Equipment tests 12.1 Excitation control equipment factory tests
36	12.2 DC commutator exciter 12.3 Alternator-rectifier exciter
37	12.4 Potential source-rectifier exciter
38	12.5 Controlled rectifier assembly factory test 12.6 Compound source-rectifier exciter
40	12.7 Field tests
42	Annex A Annex A (informative) AC–DC power converters
43	Annex B Annex B (informative) Excitation questionnaire