High and Medium Voltage Substation Design, Testing and Maintenance Course
Electrical and Power Engineering
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High and Medium Voltage Substation Design, Testing and Maintenance Course
Introduction:
Substations play an important role in a power system network in maintaining the continuity of power supply and power quality to the industrial and commercial consumers. The high voltage substation comprises switching equipment, transformers, reactors, var compensators, protection, control, automation, and communication. A properly planned and designed substation is essential for the reliable operation of the power system network.
Course Objectives:
To provide a practical understanding of planning, design, application, and maintenance aspects of high and medium voltage substations for utility networks and industrial plants.
Who Should Attend?
Electrical power generation systems and distribution engineers in utilities and industrial plants, managers of private electricity producers and large power consumers, substation engineers, consulting engineers, manufacturers of power equipment, technicians and technologists, and other technical personnel involved in the design, operation, and maintenance of high/medium voltage substations
Course Outlines:
Industrial and Utility Substation
- Substation hardware
- Substation layout considerations
- Bus arrangements and bus design considerations
General Design Considerations
- Site selection and environment considerations
- Industrial and utility substations
- Safety, operating and maintenance considerations
- Typical single line diagrams
Fault Calculations
- Types of faults
- Symmetrical components
- Fault calculations, software
Application of Circuit Breakers
- Types of circuit breakers
- Classification of circuit breakers
- Breaker selection and ratings
Application of Circuit Breakers (continued)
- The ANSI C37 Standard and Guide
- Transient recovery voltage
- Out of phase switching
- Generator breakers
Substation Equipment
- Disconnect switch and circuit breakers
- Power transformers and reactors
- Instrument transformers, voltage and current
- Power and control cables
- Station battery
Insulation Co-Ordination
- Principles of insulation co-ordination
- Classification of overvoltage’s
- Surge arresters and choice of arrester rating Impulse and switching surge overvoltage’s
- Standard insulation levels
- The concept of protective levels and protective margins
- Protective margins in insulation coordination
Harmonics in Utility and Industrial Systems
- Sources of harmonics
- The IEEE Std 519 on harmonics
- Harmonic analysis, filters
- Problems associated with variable frequency drives
Grounding Design Considerations
- The objectives of station grounding
- Safety considerations
- Step and touch voltages, the ground potential rise
- Treatment offense
- An example of substation grounding
GIS Application
- Review of GIS technology
- Layout and bus arrangement
- Handling of SF6 Gas
- Economics
Shunt Capacitor Application
- Capacitor arrangements and bank ratings
- Capacitor and bank protection
- Harmonic resonance caused by shunt capacitors
Protection Metering and Control
- Review of relay applications, industrial and utility systems
- Transmission line protection
- Bus protection
- Transformer protection
- Medium voltage feeder protection
Protection Metering and Control (continued)
- Measurements
- Integration and automation
Maintenance and Testing
- Maintenance and testing of substation equipment
- Introduction about the cables (history and construction of cables).
- Fault types, electrical characteristics of fault.
- Analyzing the fault.
- Principles of cable fault location.
- Cable testing systems and fault location.
- Cable line (tracing), and phase identification.
