IEEE 666 1993

$97.50

IEEE Design Guide for Electric Power Service Systems for Generating Stations

Published By	Publication Date	Number of Pages
IEEE	1993	311

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Description

New IEEE Standard – Inactive – Superseded. Superseded by 666-2007. This guide applies to station service systems that supply electric power to auxiliary loads for electric power generating stations. The discussions and recommendations contained herein provide the practices, criteria, and range of system parameters that relate to the service system requirements and assist in the application of existing engineering documents. This guide is not a handbook of design data; however, it explains what is good practice for the many different types of electric power service systems for generating stations.

PDF Catalog

PDF Pages	PDF Title
1	Title Page
3	Introduction Participants
5	CONTENTS
9	1. Introduction 2. Scope
10	3. System Philosophy 3.1 Introduction 3.2 Basic Design Considerations
12	3.3 General Planning Guide
31	3.4 Transmission System and Generating Unit Considerations
35	3.5 Bibliography 4. Startup and Shutdown Requirements 4.1 Introduction
36	4.2 Power Requirements
37	4.3 Quality of Power
39	4.4 Startup/Shutdown Power Supply Arrangements
42	4.5 Auxiliaries Equipment Supply Arrangement
43	4.6 Auxiliaries Bus Transfers
47	4.7 Protective Systems
48	4.8 DC, DC/AC, and AC/DC Power Sources
53	4.9 Onsite AC Power Sources
55	4.10 Bibliography
56	5. Nominal System Voltage 5.1 Introduction
57	5.2 References
58	5.3 Definitions
59	5.4 Preferred Nominal System Voltages 5.5 Acceptable Voltage Ranges
60	5.6 Equipment Ratings
61	5.7 Effects of Voltage Variation in Utilization Equipment
64	5.8 Basic Design Considerations
66	6. Fault Considerations 6.1 Introduction
67	6.2 References
68	6.3 AC Fault Current — AC Component
74	6.4 AC Fault Current — DC Component
81	6.5 RMS Value of Total Asymmetrical Current 6.6 Fault Types and Magnitudes
84	6.7 Protective Devices and Equipment Short-Circuit Ratings
86	6.8 Fault Calculation Tools
96	6.9 AC Fault Calculation Procedure
105	6.10 DC System Fault Current
108	6.11 Bibliography
110	Annex A—Short-Circuit Current Calculation for a Generator
129	7. System Protection 7.1 Introduction
130	7.2 System Arrangement
134	7.3 Types and Characteristics of Protective Devices
140	7.4 Principles of Relay Applications
153	7.5 Bibliography
155	8. System Grounding 8.1 Foreword 8.2 Introduction 8.3 References
156	8.4 Definitions
157	8.5 Transient Overvoltages 8.6 Selection of Grounding Method
163	8.7 Grounding Equipment Connections
164	8.8 Ground-Fault Current Calculations
166	8.9 Standby Generator Grounding
167	8.10 Summary 8.11 Bibliography
169	9. Transformers and Voltage Regulation 9.1 Introduction 9.2 Scope — System Configurations 9.3 References 9.4 Definitions
170	9.5 Voltage Range 9.6 Specification of Transformers
184	9.7 Voltage Regulation
186	9.8 Bibliography
187	10. Equipment Used for Load Switching and Fault Isolation 10.1 Introduction 10.2 References 10.3 Switchgear
194	10.4 Secondary Unit Substations
203	10.5 Combination Starter Panels (Motor Control Centers [MCC])
208	10.6 Panelboards
210	10.7 Fuses
211	10.8 Insulation Levels of Equipment 10.9 Equipment Layout and Installation
212	10.10 Shipping and Storage
213	10.11 Maintenance
214	10.12 Bibliography
217	11. Electric Motor Characteristics and Applications 11.1 Introduction 11.2 References
218	11.3 Large Polyphase AC Motors
236	11.4 Integral Horsepower (Medium) AC Motors
239	11.5 DC Motors
241	11.6 AC Motor Applications
253	11.7 DC Motor Applications
254	11.8 Starting Large AC Motors
256	11.9 Effects of System Operating Conditions on Motor Characteristics
265	11.10 Effects of Motor Operation on the Power System
268	11.11 Motor Protection Requirements
271	11.12 Effects of Special Requirements on Motor Characteristics
272	11.13 Effects of Exceeding Specified Motor Capabilities
273	11.14 Motor Enclosures
274	11.15 Motor Bearings
275	11.16 Maintenance 11.17 Relationships Used in AC Motor Performance and System Calculations
280	12. Cables and Other Conductors 12.1 Introduction 12.2 References
281	12.3 Insulated Cable
293	12.4 Nonsegregated Phase Bus
297	13. Physical and Environmental Aspects 13.1 Introduction 13.2 Service Transformers
299	13.3 Switchgear
301	13.4 Space, Growth, and Cable Entry
302	13.5 Ambient Temperature
303	13.6 Elevation 13.7 Expected Life and Reliability
304	13.8 Enclosures
307	13.9 Indoor vs. Outdoor
308	13.10 Flooding 13.11 Noise
309	13.12 Fire Protection
311	13.13 Bibliography