Control and Automation of Electrical Power Distribution Systems presents the theoretical and practical details of a control and automation solution for the entire distribution system of substations and feeders.

Features:

• Examines outage management and data modeling to understand how to implement extended control
• Develops the idea of generic networks through the concept of a network complexity factor and standard building blocks (automated switches) as ways of implementing cost effective automation and control
• Introduces new ideas and solutions for feeder automation to facilitate control and operation
• Illustrates cost benefits and cost analyses as well as business case development
• Provides over 300 tables, equations, and figures that help illustrate the topics discussed

Contents

Power Delivery System Control and Automation

• Why Distribution Automation
• Power Delivery Systems
• Control Hierarchy
• What Is Distribution Automation
• Distribution Automation System
• Basic Architectures and Implementation Strategies for DA
• Definitions of Automated Device Preparedness

Central Control and Management

• Power System Operation
• Operations Environment of Distribution Networks
• Evolution of Distribution Management Systems
• Basic Distribution Management System Functions
• Basic of a Real-Time Control System (SCADA)
• Outage Management
• Decision Support Tools
• Subsystems
• Extended Control-Feeder Automation
• Performance Measures and Response Times
• Data Base Structures and Interfaces

Design, Construction and Operation of Distribution Systems

• Design of Networks
• LV Distribution Networks
• Switchgear for Distribution Substations and LV Networks
• Extended Control of Distribution Substations and LV Networks

Hardware for Distribution Systems

• Introduction to Switchgear
• Primary Switchgear
• Ground Mounted Network Substations
• Larger Distribution/Compact Substations
• Pole Mounted Enclosed Switches
• Pole Mounted Reclosers
• Pole Mounted Switch Disconnectors and Disconnectors
• Operating Mechanisms and Actuators
• Current and Voltage Measuring Devices
• Instrument Transformers in Extended Control
• Current and Voltage Sensors

Protection and Control

• Protection Using Relays
• Sensitive Earth Fault and Instantaneous Protection Schemes
• Protection Using Fuses
• Earth Fault and Overcurrent Protection for Solid/ Resistance Earthed Networks
• Earth Faults on Compensated Networks
• Earth Faults on Unearthed Networks
• An Earth Fault Relay for Compensated and Unearthed Networks
• Fault Passage Indication
• Connection of the FPI to the Distribution System Conductor
• Distribution System Earthing and Fault Passage Indication
• AutoReclosing and Fault Passage Indicators
• The Choice of Indication between Phase Fault and Earth Fault
• Resetting the Fault Passage Indicator
• Grading of Fault Passage Indicators
• Selecting a Fault Passage Indicator
• Intelligent Electronic Device (IED)
• Power Supplies for Extended Control
• Automation Ready Switchgear - FA Building Blocks
• Examples of Building Blocks
• Typical Inputs and Outputs for Building Blocks
• Control Building Blocks and Retrofit
• Control Logic

Performance of Distribution System

• Faults on Distribution Networks
• Performance and Basic Reliability Calculations
• Calculating the Effects of Extended Control
• Improving the Reliability of Underground Networks
• Improving the Reliability of Overhead Networks
• Improving Performance with Automation
• Improvements by Combining Design Methods on Underground Circuits

Communication Systems for Control and Automation

• Communications and Distribution Automation
• DA Communication Physical Link Options
• Wireless Communication
• Wire Communications
• Distribution Automation Communications Protocols
• Distribution Automation Communications Architecture
• DA Communications User Interface
• Some Considerations for DA Communications Selection
• Requirements for Dimensioning the Communications Channel

Creating the Business Case

• Potential Benefits Perceived by the Industry for Substation Automation
• Potential Benefits Perceived by the Industry for Feeder Automation
• Generic Benefits
• Benefits Opportunity Matrix
• Benefits Flow Chart
• Dependencies, Shared and Unshared Benefits
• Capital Deferral, Release, or Displacement
• Savings in Manpower
• Savings Related to Energy
• Other Operating Benefits
• Summary of DA Functions and Benefits
• Economic Value-Cost
• Presentation of Results and Conclusion

Index

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