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IEEE 421.5 2006

$44.96

IEEE Recommended Practice for Excitation System Models for Power System Stability Studies

Published By Publication Date Number of Pages
IEEE 2006 95
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Revision Standard – Active. Excitation system models suitable for use in large-scale system stability studies arepresented. Important limiters and supplementary controls are also included. The model structures presented are intended to facilitate the use of field test data as a means of obtaining model parameters. The models are, however, reduced order models and do not represent all of the control loops on any particular system. The models are valid for frequency deviations of +/-5% from rated frequency and oscillation frequencies up to 3 Hz. These models would not normally be adequate for use in studies of subsynchronous resonance or other shaft torsional interaction problems.Delayed protective and control features that may come into play in long term dynamic performance studies are not represented. A sample set of data for each of the models, for at least one particular application, is provided.

PDF Catalog

PDF Pages PDF Title
1 Front Cover
3 IEEE Recommended Practice for Excitation System Models for Power System Stability Studies

6 Introduction

Notice to users
7 Participants
9 CONTENTS
11 1. Overview
1.1 Scope
12 2. Normative references
3. Representation of synchronous machine excitation systems in power system studies
14 4. Synchronous machine terminal voltage transducer and current compensator models
16 5. Type DCā€”Direct current commutator exciters
17 5.1 Type DC1A excitation system model
18 5.2 Type DC2A excitation system model
5.3 Type DC3A excitation system model
19 5.4 Type DC4B excitation system model
20 6. Type ACā€”Alternator-supplied rectifier excitation systems
6.1 Type AC1A excitation system model
21 6.2 Type AC2A excitation system model
22 6.3 Type AC3A excitation system model
23 6.4 Type AC4A excitation system model
6.5 Type AC5A excitation system model
24 6.6 Type AC6A excitation system model
6.7 Type AC7B excitation system model
6.8 Type AC8B excitation system model
25 7. Type STā€”Static excitation systems
26 7.1 Type ST1A excitation system model
27 7.2 Type ST2A excitation system model
28 7.3 Type ST3A excitation system model
7.4 Type ST4B excitation system model
29 7.5 Type ST5B excitation system model
7.6 Type ST6B excitation system model
30 7.7 Type ST7B excitation system model
31 8. Power system stabilizers
8.1 Type PSS1A power system stabilizer model
32 8.2 Type PSS2B power system stabilizer model
33 8.3 Type PSS3B power system stabilizer model
34 8.4 Type PSS4B power system stabilizer model
35 9. Overexcitation limiters
9.1 Field winding thermal capability
36 9.2 OEL types
37 9.3 OEL model
39 10. Underexcitation limiters
40 10.1 Circular characteristic UEL (Type UEL1 model)
41 10.2 Piecewise linear UEL (Type UEL2 model)
44 11. Power factor and reactive power controllers and regulators
45 11.1 Voltage adjuster
46 11.2 PF controller Type I
11.3 Var controller Type I
48 11.4 PF controller Type II
11.5 Var controller Type II
49 12. Supplementary discontinuous excitation control
12.1 General
12.2 Type DEC1A discontinuous excitation control
50 12.3 Type DEC2A discontinuous excitation control
51 12.4 Type DEC3A discontinuous excitation control
52 Annex A (normative) Nomenclature
59 Annex B (normative) Per unit system
60 Annex C (normative) Exciter saturation and loading effects
62 Annex D (normative) Rectifier regulation
63 Annex E (normative) Representation of limits
67 Annex F (informative) Avoiding computational problems by eliminating fast feedback loops
72 Annex G (normative) Paths for flow of induced synchronous machine negative field current
74 Annex H (informative) Sample data
91 Annex I (informative) Manufacturer model cross reference

93 Annex J (informative) Bibliography
IEEE 421.5 2006
$44.96