TABLE OF CONTENTS List of Figures iii List of Tables v 1.0 INTRODUCTION AND SUMMARY 1-1 1.1 Executive Summary 1-1 1.2 Reliability and Stability 1-5 1.3 Possible Ownership of the SPS 1-15 1.4 Utility Participation in SPS Related RD&D 1-19 1.5 Utility Liabilities Associated with the SPS 1-19 1.6 Structure of the Report 1-20 2.0 RELIABILITY AND STABILITY 2-1 2.1 Background 2-1 2.2 Power System Stability Characteristics 2-6 2.2.1 Introduction and Results 2-6 2.2.2 System Dynamics 2-7 2.2.3 Protection Devices 2-12 2.2.4 Northeast Blackout 2-15 2.3 Power Pool Reliability 2-19 2.3.1 Introduction and Summary 2-19 2.3.2 Formulation of the Problem 2-30 2.3.2.1 Definitions 2-30 2.3.2.2 Power Pool Loads 2-34 2.3.2.3 Number of Required Generators 2-37
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