This is a practical online course on power distribution, focusses on medium voltage (1kV- 36kV) power considerations, switchgear, power cables, transformers, power factor correction, earthing, lightning protection and network studies. You will gain technical know-how in these areas not covered by university or college programs.
YOU WILL LEARN HOW TO
Correctly implement the right type of switchgear for the appropriate application
Economically select and install the best-suited power cable for a specific application
Evaluate the need for power factor correction and successfully implement correction strategies
Implement successful maintenance strategies and procedures
Effectively use software techniques to solve problem areas in your power network
WHAT’S INCLUDED?
The full technical eBook manual for “Practical Power Distribution” which includes course slides, cases studies, calculations and practical exercises
COURSE OUTLINE
INTRODUCTION
- History and growth of power distribution
- Typical characteristics of a distribution system
- Main components of a distribution system
- Main equipment types in a distribution system
- Electrical safety and power security
OVERVIEW OF POWER DISTRIBUTION
- Voltage classification
- Multiple voltage levels in power distribution
- Types of distribution arrangements and redundancy
- Expandability
MEDIUM VOLTAGE CIRCUIT BREAKERS I
MEDIUM VOLTAGE CIRCUIT BREAKERS II
- Role of a circuit breaker in a distribution system
- Distinction between circuit breaker and disconnector/isolator
- Different types of circuit breakers and their operating principle
- Comparison of relative features and applications
- Circuit breaker operating mechanisms
- Circuit breaker ratings
POWER CABLES
- Types and construction of cables
- Basic design and selection
- Insulating materials for LV and HV cables
- Accessories for cable installation
- High voltage power transmission using cables
- Failure of cables
- Fault detection
- New technologies – superconductivity for high capacity cables
SHORT CIRCUIT CURRENT CALCULATIONS
- What is a fault?
- Effects of a fault
- Types of faults
- Limiting the damaging effects of a fault
- Need to know the magnitude of fault current
- Fault current calculations
TRANSFORMERS
- Introduction
- Transformer theory
- Transformer construction
- Transformer cooling
- Transformer voltage control
- Power transformers and distribution transformers
- Installation of transformers
- Special aspects in installation of large power transformers
- Fire protection measures for large transformer installations
- Transformer troubleshooting
MV SWITCHGEAR
- Switchgear options
- Outdoor MV switchgear
- Indoor MV switchgear
- MV switchgear panel configurations
- MV switchgear auxiliary devices
- MV switchgear ratings
ELECTRICAL SAFETY AND ROLE OF EARTHING
- Overview of system earthing
- Hazards posed by electrical equipment
- Electrical shock hazard
- Direct and indirect contact
- Role of protective earthing
- Indirect contact hazard – importance of protection
- Sensing of earth faults
- Equipotential bonding
- Use of Personal Protective Equipment (PPE)
- Arc flash danger in electrical equipment
POWER QUALITY AND PF COMPENSATION
- Limits on electrical parameters
- What is power quality?
- Power quality indicators
- Power quality improvement measures
- Causes and effects of low power factor
- Power factor compensation
- Methods to improve power factor and benefits
- Economic justification for power factor correction - worked out examples
- Caution: capacitors with induction motors
POWER SYSTEM AUTOMATION
- Definition of the term
- What is power system automation?
- Power system automation architecture
- Use of DCS
