Micro-Credential in Electric Power Distribution System

Week 1

(6 Hrs.)

Introduction

·         Distribution System planning

·         Factors Affecting System  planning

·         Present Distribution System

planning Techniques

·         Distribution System planning Models

·         Distribution System planning in the Future

·         Future Nature of Distribution Planning

·         The Central Role of the Computer in Distribution Planning

·         Impact of Dispersed Storage and Generation

·         Distribution System Automation

Load Characteristics

·         Basic Definitions

·         The Relationship Between the Load and Loss Factors

·         Maximum Diversified Demand

·         Load Forecasting

·         Load Management

·         Rate Structure

Discussions

Week 2

(6 Hrs.)

Distribution Transformers

• Introduction, Types of Distribution, Transformers, Regulation
• Transformer Efficiency
• Terminal or Lead Markings
• Transformer Polarity
• Distribution Transformer

Loading Guides

• Equivalent Circuits of a Transformer

• Single-Phase Connections

• Three-Phase Connections
• Three-Phase Transformers
• The T or Scott Connection
• The Autotransformer
• The Booster Transformers
  
  

Design of Subtransmission Lines and Distribution Substations

• Subtransmission
• Distribution Substations
• Substation Bus Schemes
• Substation Location
• The Rating of a Distribution

Substation

• General Case: Substation Service Area with n Primary Feeders
• Comparison of the Four-and Six-Feeder Patterns
• Derivation of the K Constant

• Substation Application Curves

• Interpretation of the Percent
• Voltage drop formula

Discussions

Week 3

(6 Hrs.)

Design Considerations of Primary Systems

• Introduction
• Radial-Type Primary Feeder
• Loop-Type Primary Feeder
• Primary Network
• Primary-Feeder Voltage Levels
• Primary-Feeder Loading
• Tie Lines
• Distribution Feeder Exit:

Rectangular-Type development

• Radial-Type Development
• Radial Feeders with Uniformly Distributed Load
• Radial Feeders with Non uniformly Distributed Load
• Application of the A,B,C,D

General Circuit Constants to Radial Feeders

• The Design of Radial Primary Distribution Systems

Design Considerations of Secondary Systems

• Introduction
• Secondary Voltage levels
• The Present Design Practice
• Secondary Banking
• The Secondary Networks
• Spot Networks
• Economic Design of  Secondaries
• Unbalanced Load and Voltages

 Discussions

Week 4

(6 Hrs.)

Voltage Drop and Power Loss Calculations

• Three-Phase Balanced Primary Lines.
• Non Three-Phase Primary Lines
• Four-Wire Multigrounded Common Neutral Distribution System
• Percent Power (or Copper) Loss
• A Method to Analyze Distribution Feeder Costs
• Economic Analysis of Equipment Losses

Application of Capacitors to Distribution Systems

• Basic Definitions

• Power Capacitors
• Effects of Series and Shunt Capacitors
• Power Factor Correction
• Application of Capacitors
• Economic Justification for Capacitors
• A Practical Procedure to Determine the Best Capacitor Location
• A Mathematical Procedure to Determine the Optimum Capacitor Allocation

Discussions

Written Test

Week 5

(6 Hrs.)

Distribution System Voltage Regulation

• Basic Definitions
• Quality of Service and Voltage Standards
• Voltage Control
• Feeder Voltage Regulators
• Line-Drop Compensation
• Distribution Capacitor
• Automation
  Voltage Fluctuations

Discussions

Week 6

(6 Hrs.)

Distribution System Protection

• Basic Definitions
• Objective of Distribution System Protection
• Coordination of Protective Devices
• Fuse-to-Fuse Coordination
• Recloser-to-Recloser Coordination
• Recloser-to-Fuse Coordination
• Recloser-to-Substation Transformer High-Side Fuse Coordination
• Fuse-to-Circuit-Breaker Coordination
• Recloser-to-Circuit-Breaker Coordination

• Symmetrical Component Theory
• Positive, Negative and Zero Sequence Networks
• Fault Current Calculations

• Fault Current Calculations in Per Units
• Secondary System Fault Current Calculations
• High-Impedance Faults

Discussions

Presentation

Week 7

(6 Hrs.)

Distribution System Reliability

• Basic Definitions
• National Electric Reliability Council
• Appropriate Levels of Distribution Reliability
• Basic Reliability Concepts and Mathematics
• Series Systems
• Parallel Systems
• Series and Parallel Combinations
• Markov Processes

• Development of the State Transition Model to Determine the Steady-State Probabilities
• The Application of the Zone Branch Technique

Submission of Assignments

Week 8

Final Examination

Conclusion Session

Awarding of Certificates

Presentation by VC or Representative of VC