IEEE C37.97 1979

$29.25

IEEE Guide for Protective Relay Applications to Power System Buses

Published By	Publication Date	Number of Pages
IEEE	1979	24

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Description

New IEEE Standard – Inactive – Withdrawn. Jan2005: Administratively withdrawn. The effective application of relays for protection of power system electrical buses is addressed. Common bus arrangements and some special arrangements used in the United States are covered; not all bus protection systems or all possible bus arrangements are included. Factors that determine the need and type of bus protection, and basic principles of bus protection operation are discussed. Relay input sources are covered. Bus protection systems and common bus arrangements with relay input sources are described. Also discussed are current transformer locations, wiring and grounding, location of the bus on the system, bus construction, problems associated with switching and bypassing, auxiliary tripping relays, reclosing of breakers after a bus differential operation, testing of bus differential relaying, and bus backup protection.

PDF Catalog

PDF Pages	PDF Title
4	Introduction Participants
6	CONTENTS
7	1. Introduction 1.1 Purpose and Scope 1.2 Factors Which Determine the Need and Type of Bus Protection 1.3 Basic Principles of Bus Protection Operation
8	2. Relay Input Sources 2.1 General Background 2.2 Types of Current Transformers
9	2.3 Current Transformer Characteristics
10	3. Bus Protection Systems 3.1 Differential Protection
11	3.2 Partial Differential Protection
12	3.3 Combined Differential Zones
13	3.4 Directional Comparison Bus Relaying 3.5 Fault Bus Protection
14	4. Common Bus Arrangements with Relay Input Sources 4.1 General 4.2 Bus Configurations
19	5. Other Considerations Associated with Bus Protection 5.1 Current Transformer Location 5.2 Wiring and Grounding 5.3 Location of Bus on the System 5.4 Bus Construction
20	5.5 Problems Associated with Switching and Bypassing
21	5.6 Auxiliary Tripping Relays 5.7 Reclosing of Breakers After a Bus Differential Operation
22	5.8 Testing of Bus Differential Relaying
23	5.9 Bus Backup Protection 6. Bibliography