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Series Introduction | |
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Preface | |
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Power Delivery Systems | |
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Introduction | |
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T&D System's Mission | |
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Reliability of Power Delivery | |
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The "Natural Laws of T&D" | |
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Levels of the T&D System | |
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Utility Distribution Equipment | |
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T&D Costs | |
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Types of Distribution System Design | |
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The Systems Approach and Two-Q Planning | |
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Summary of Key Points | |
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References and Bibliography | |
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Consumer Demand and Electric Load | |
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The Two Qs: Quantity and Quality of Power | |
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Quantity of Power Demand: Electric Load | |
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Electric Consumer Demand for Quality of Power | |
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The Market Comb and Consumer Values | |
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Two-Q Analysis: Quantity and Quality Versus Cost | |
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Conclusion and Summary | |
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References | |
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Electric Load, Coincidence, and Behavior | |
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Introduction | |
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Peak Load, Diversity, and Load Curve Behavior | |
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Measuring and Modeling Load Curves | |
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Summary | |
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References | |
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Power System Reliability | |
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Introduction | |
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Outages Cause Interruptions | |
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Reliability Indices | |
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Comparison of Reliability Indices Among Utilities | |
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Benchmarking Reliability | |
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Conclusion and Summary | |
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References and Further Reading | |
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Economics and Evaluation of Cost | |
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Introduction | |
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Costs | |
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Time Value of Money | |
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Variability of Costs | |
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Conclusion | |
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References | |
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Evaluation, Prioritization, and Approval | |
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Decisions and Commitments | |
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Evaluation, Comparison, Prioritization, and Approval | |
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Traditional Regulated Utility Least-Cost Planning | |
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The Benefit/Cost Ratio Paradigm | |
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Incremental Benefit/Cost Evaluation | |
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Profit-Based Planning Paradigms | |
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Summary, Comments, and Conclusion | |
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References and Bibliography | |
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Equipment Ratings, Loadings, Lifetime, and Failure | |
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Introduction | |
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Capacity Ratings and Lifetime | |
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Aging, Deterioration, and Damage | |
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Measures to Improve Equipment Reliability and Life | |
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Conclusion and Summary | |
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For Further Reading | |
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Equipment Failures and System Performance | |
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Introduction | |
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Equipment Failure Rate Increases with Age | |
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A Look at Failure and Age in a Utility System | |
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Conclusion and Summary | |
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References | |
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Load Reach and Volt-VAR Engineering | |
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Introduction | |
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Voltage Behavior on a Distribution System | |
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Load Reach and Distribution Capability | |
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Load Reach, the Systems Approach, and Current and Voltage Performance Optimization | |
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Managing Voltage Drop on Distribution Systems | |
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Volt-VAR Control and Correction | |
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Summary of Key Points | |
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References | |
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Distributed Resources | |
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Managing Two-Q Demand on the Consumer Side | |
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Energy and Demand Management Methods | |
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Conservation Voltage Reduction | |
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Distributed Generation | |
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Electric Energy Storage Systems | |
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Distributed Resource Cost Evaluation | |
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Summary | |
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Bibliography | |
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Basic Line Segment and Transformer Sizing Economics | |
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Introduction | |
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Distribution Lines | |
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Transformers | |
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Basic Equipment Selection Economics | |
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Conclusion | |
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References and Bibliography | |
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Choosing the Right Set of Line and Equipment Sizes | |
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Introduction | |
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Using Economic Loading and Voltage Drop Well | |
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Economy and Performance of a Conductor Set | |
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Conductor Set Design: Fundamental Aspects | |
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Recommended Method for Conductor Set Design | |
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Standard Transformer Sets | |
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Conclusion | |
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References and Bibliography | |
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Distribution Feeder Layout | |
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Introduction | |
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The Feeder System | |
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Radial and Loop Feeder Layout | |
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Dual-Voltage Feeders | |
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Summary of Key Points | |
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References | |
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Feeder Layout, Switching, and Reliability | |
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Introduction | |
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Designing Reliability into the Primary Feeder (MV) Level | |
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Feeder System Strength | |
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Contingency-Based Versus Reliability-Based Planning | |
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Contingency Support and Switching Design | |
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Protection and Sectionalization of the Feeder System | |
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Summary of Key Points | |
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References and Bibliography | |
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Multi-Feeder Layout | |
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Introduction | |
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How Many Feeders in a Substation Service Area? | |
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Planning the Feeder System | |
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Planning for Load Growth | |
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Formulae for Estimating Feeder System Cost | |
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Conclusion and Summary | |
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References | |
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Distribution Substations | |
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Introduction | |
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High-Side Substation Equipment and Layout | |
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Transformer Portion of a Substation | |
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Low-Side Portion of a Substation | |
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The Substation Site | |
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Substation Costs, Capacity, and Reliability | |
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Substation Standardization | |
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Substation Planning and the Concept of "Transformer Units" | |
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Conclusion and Summary | |
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References and Bibliography | |
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Distribution System Layout | |
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Introduction | |
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The T&D System in Its Entirety | |
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Design Interrelationships | |
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Example of a System Dominated by Voltage Drop, Not Capacity | |
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Conclusion and Summary | |
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References and Bibliography | |
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Substation Siting and System Expansion Planning | |
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Introduction | |
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Substation Location, Capacity, and Service Area | |
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Substation Siting and Sizing Economics | |
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Substation-Level Planning: The Art | |
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Guidelines to Achieve Low Cost in Substation Siting and Sizing | |
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Substation-Level Planning: The Science | |
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Planning with Modular Substations | |
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Summary: The Most Important Point About Substation-Level Planning | |
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References and Bibliography | |
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Service Level Layout and Planning | |
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Introduction | |
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The Service Level | |
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Types of Service Level Layout | |
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Load Dynamics, Coincidence, and Their Interaction with the Service Level | |
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Service-Level Planning and Layout | |
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High Reliability Service-Level Systems | |
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Conclusion | |
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References | |
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Planning Goals and Criteria | |
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Introduction | |
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Voltage and Customer Service Criteria and Guidelines | |
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Other Distribution Design and Operating Guidelines | |
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Load Ratings and Loading Guidelines | |
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Equipment and Design Criteria | |
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Summary of Key Points | |
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References and Bibliography | |
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Reliability-Related Criteria and Their Use | |
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Introduction | |
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Reliability Metrics, Targets, and Criteria | |
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Practical Issues of Reliability-Based Criteria | |
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Approaches and Criteria for Targeted Reliability Planning | |
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Summary of Key Points | |
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References and Bibliography | |
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Distribution Circuit Electrical Analysis | |
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Introduction | |
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Models, Algorithms, and Computer Programs | |
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Circuit Models | |
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Models of Electric Load | |
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Types of Electrical Behavior System Models | |
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Coincidence and Load Flow Interaction | |
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Conclusion and Summary | |
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References and Bibliography | |
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Distribution System Reliability Analysis Methods | |
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Introduction | |
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Contingency-Based Planning Methods | |
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Engineering Reliability Directly | |
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Analytical Distribution System Reliability Assessment | |
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Important Aspects of Reliability Assessment | |
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Reliability Simulation Studies and Financial Risk Assessment | |
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Conclusion and Key Points | |
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References and Bibliography | |
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Automated Planning Tools and Methods | |
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Introduction | |
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Fast Ways to Find Good Alternatives | |
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Automated Feeder Planning Methods | |
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Substation-Level and Strategic Planning Tools | |
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Application of Planning Tools | |
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Conclusion and Summary | |
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References and Bibliography | |
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T&D Load Forecasting Methods | |
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Spatial Load Forecasting | |
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Load Growth Behavior | |
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Important Elements of a Spatial Forecast | |
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Trending Methods | |
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Simulation Methods for Spatial Load Forecasting | |
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Hybrid Trending-Simulation Methods | |
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Conclusion and Summary of Key Points | |
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References and Bibliography | |
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Planning and the T&D Planning Process | |
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Introduction | |
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Goals, Priorities, and Direction | |
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Tactical Planning: Finding the Best Alternative | |
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Short- Versus Long-Range Planning | |
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Uncertainty and Multi-Scenario Planning | |
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The Power Delivery Planning Process | |
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Summary and Key Points | |
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References and Bibliography | |
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Practical Aspects of T&D Load Forecasting | |
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The First Step in T&D Planning | |
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Weather Normalization and Design Criteria | |
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Selection of a Forecast Method | |
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Application of Spatial Forecast Methods | |
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Conclusion and Summary | |
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Bibliography and References | |
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Balancing Reliability and Spending | |
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Introduction | |
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The Fundamental Concepts | |
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Optimizing Reliability Cost Effectiveness | |
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CERI--A Practical Method to "Bootstrap" Reliability Improvement | |
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Required Tools and Resources for Reliability Planning | |
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"Equitableness" Issues in Reliability Optimization | |
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Approaches to Setting and Planning Reliability Targets | |
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Asset Management | |
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Conclusion and Summary | |
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References and Bibliography | |
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Objectivity, Bias, and Accuracy in Planning | |
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Introduction and Purpose of this Chapter | |
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Objective Evaluation, Proponent Study, or Simply Poor Work? | |
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Ways that Bias Makes Its Way into a T&D Planning Study | |
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The "Rules" Used to Bias Planning Studies in an Unseen Manner | |
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Areas Where Bias or Mistakes Are Often Introduced into a Study | |
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Examples of Bogus, Proponent, and Masked Studies | |
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Guidelines for Detecting, Finding, and Evaluating Bias | |
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Summary and Conclusion: Forewarned is Forearmed | |
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References | |
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Key Points, Guidelines, Recommendations | |
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Introduction | |
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On Distribution Systems | |
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On Utilities and Utility Practices | |
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On Planning Well | |
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References | |
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Index | |