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IEEE C37.106 1987

$37.92

IEEE Guide for Abnormal Frequency Protection for Power Generating Plants

Published By Publication Date Number of Pages
IEEE 1987 32
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New IEEE Standard – Inactive – Superseded. This guide has been prepared to assist the protection engineer in applying relays for the protection of generating plant equipment from damage caused by operation at abnormal frequencies including overexcitation. Emphasis is placed on the protection of the major generating station components at steam generating stations, nuclear stations, and at combustion-turbine installations. Consideration is also given to the effect of abnormal frequency operation on those associated station auxiliaries whose response can affect plant output. The guide also presents background information regarding the hazards caused by operating generating equipment at abnormal frequencies. It documents typical equipment capabilities and describes acceptable protective schemes. Recommended methods for coordinating the underfrequency protective scheme with system-load shielding schemes are also included. Sufficient information is provided to apply suitable coordinated protection for given specific situations.

PDF Catalog

PDF Pages PDF Title
1 Title Page
3 Introduction
Participants
6 CONTENTS
7 1. Introduction and Scope
2. References
8 3. Steam Generating Plant—Abnormal Frequency Operation
3.1 General Background
3.2 Generator Over-/Underfrequency Capability
10 3.3 Turbine Over-/Underfrequency Capability
13 3.4 Power Plant Auxiliaries—UnderfrequencyConsiderations
14 3.5 Underfrequency Protection Methods for Steam Turbines
19 3.6 Coordination with System Load Shedding Scheme
23 3.7 Generator-Transformer Overexcitation
25 3.8 Generator-Transformer Volts/Hertz Protection
28 4. Nuclear Generating Plant—Special Consideration
4.1 General Background
4.2 Boiling Water Reactor (BWR)/Underfrequency Considerations
4.3 Pressurized Water Reactor (PWR)/Underfrequency Considerations
29 5. Combustion-Turbine Underfrequency Operation
5.1 General Background
30 5.2 Combustion-Turbine Underfrequency Capability
5.3 Underfrequency Protection Philosophy, Relay Settings, and Guidelines
5.4 Underfrequency Protection Considerations for Combined Cycle Generating Units
31 6. Bibliography
32 Annex
IEEE C37.106 1987
$37.92