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Course Outline
Theoretical background on Power Systems and Transients
- Theoretical analysis methods and mathematical representation of power systems
- The range of problems and frequencies: lightning, switching, and temporary overvoltages; electromechanical transients
- Electromagnetic transients and traditional analysis methods
Numerical methods for the simulation of transients
- Load-flow, Steady-state, Frequency scan
- Initialization
- Time-domain
Introduction to EMTP®
- Overview, what EMTP can do
- Power and Control devices
- Devices and device attributes
- Libraries
- Tools
- Simulation and analysis of simple transients
Capacitor bank switching, hands-on exercise
- Step-by-step development of studied circuit
- Utilization of subnetworks, navigation, uniqueness
- Masking
- Frequency scan tool for finding natural frequencies
- Required models
IEEE-34 bus distribution test case study, hands-on exercise
- Multiphase power-flow
- Automatic transition into initialized time-domain solution
- Simulation of fault
- Tap-changer control
- Inclusion of local generation
Switching devices and simulation of power electronics circuits
Nonlinear devices: Modeling in steady-state and time-domain
Theory on Ferroresonance
Transmission/Distribution line and cable models
- Theory and available models
- PI-section, Constant Parameter model, Frequency-dependent models
- Corona model
- Application examples
Arrester model
Transformer models
Synchronous and asynchronous machine models and related controls
- Case setup, controls, and automatic initialization
- Exciters and Governors
Ferroresonance case, hands-on exercise
Transmission line and cable transients, hands-on exercises
- Switching transients, comparison of models
- Line transposition
- Induced voltages
- Kilometric fault
Setup of a 500 kV transmission system, hands-on exercises
- Initial simulations
- Establishment of study scenarios
- Transient stability analysis
- Temporary overvoltages
- Fault analysis
Circuit Breakers and Switching Studies
- Types and interruption principle
- Statistical studies
- Statistical Case Exercise
- Building a 3-phase general circuit breaker model
Circuit Breakers and Switching Studies, hands-on exercises
- Capacitor Switching
- Transient Recovery Voltage
- Capacitor Switch Exercise
- TRV study exercise with TRV breaker model
Introduction to Wind turbine models: Type III and Type IV
- Options
- Protection
- Initialization
- Control system
- Detailed park models, aggregation methods
Introduction to Photovoltaic models
Integration of renewable energies into existing power systems
- Step-by-step procedure
- Testing
Scanning tool for detecting subsynchronous control interaction problems
- Step-by-step procedure
- Benchmark cases
Integration of Wind generation into an existing 500 kV system, hands-on exercises
- Step-by-step integration of Type III and Type IV wind generators
- Analysis of transients
Detection of instability, hands-on exercises
- Step-by-step procedure
- Verification