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Pterra Standard Courses

Pterra offers a a set of standard short courses. These courses have been developed and prepared for presentation at Pterra’s Training Facility or at client sites. The material is focused on a general audience with a minimum one year experience in the power industry. These courses are available for implementation at client sites, or can be modified to suit specific training needs.

Basic Courses

Software-Oriented Courses

Topics

  • Power Flow Circuit Analysis
  • Equipment Modeling
  • Solution Techniques
  • Contingency Analysis
  • Case Studies
  • Exercises

Optional Topics

  • Transfer Analysis
  • Q-V and P-V Curves
  • Python Programming
  • Solving Non-Convergence

Topics

  • Overview of Stability and Controls
  • Dynamic Modeling of Power System Components
  • The Dynamic Simulation Process
  • Simulating Contingencies
  • Assessing Stability Response
  • Applying Countermeasures

Exercises

  • Setting Up for Dynamic Stability
  • Initialization and Model Tuning
  • Simulating Disturbances and Solutions

Optional Topics

  • Equivalencing
  • Integrating Renewables

Transient Overvoltage

  • Cap Bank Switching
  • Reactor Switching
  • Line Energization
  • Line De-energization
  • Transformer Energization
  • Inrush/outrush Current
  • Ground fault overvoltage

Transient Recovery Voltage

  • Recognition of Potential TRV Issue
  • TRV Envelope and Circuit Breaker Capability
  • Modeling and result interpretation
  • Typical Mitigation Options
  • Case Studies
  • Software: PSCAD

Introduction to Python Language

  • Built-in Function
  • Variable & Data Structure
  • Tuples & List
  • Iteration & Flow Control
  • String & Format
  • Module, Method & Class
  • Input & Output
  • Exercises / Hands-on

Using Python with Power System Program

  • Interface with Power System Program
  • Accessing Data
  • Recording GUI Action and Modification
  • Data Retrieval & Changing
  • Exercises/Hands-on

Methods-Oriented Courses

Day 1

  • Concepts
  • Analytical Methods
  • P-V Curves
  • Real Power Margins
  • Reactive Power Margins
  • Dynamic Simulation

Day 2

  • Voltage Response of Equipment and Systems
  • Performance Criteria for Voltage Stability

Day 3

  • Countermeasures
  • Case Studies

Exercises

  • Steady-State Voltage Contingency Analysis
  • P-V Curve Analysis
  • Voltage Stability Dynamic Simulation
  • Solving Instability in the Steady-State and Dynamically

Topics

  • Power Flow and short circuit impacts
  • Risk of Islanding
  • Ground-fault overvoltage
  • Equipment cycling

Topics

  • Grounding
  • Harmonics
  • Voltage Flicker Analysis – utilizing the most recent standard (IEEE-1453)
  • Hands on / Exercises – Utilizing Free / open source program that has been used for real projects

Day 1

  • Overview of Renewable Energy
  • Overview of Wind and Solar Designs
  • Conversion Technology
  • Power Flow Modeling and Analysis

Day 2

  • Wind and Solar Reactive Capabilities
  • Short Circuit and Transient Impacts

Day 3

  • Dynamic Models for Wind and Solar
  • Specific Impacts of Solar and wind on Dynamic Performance
  • Countermeasures to Impacts from Solar and Wind on Dynamic Performance

Exercises

  • Power Flow Modeling
  • Stability Modeling And Analysis
  • Case Study 

Advanced Courses

Topics

  • Basics of Power System Control
  • Tuning of Controls: Bode Plots, Tunable Parameters
  • Excitation/Voltage Control System Tuning
  • Applications with MOD-026-1 compliance
  • Governor/Frequency Control System Tuning
  • Applications with MOD-027-1 compliance

Topics

  • Power System Stabilizers
  • Background and Applications
  • Small signal stability
  • PSS Tuning Principles
  • Modeling auxiliary PSS input in PSS/E
  • Parameter derivation from measurements
  • Application of tuning principles
  • Playback method
  • Exercises

Topics

  • Synchronous machine characteristics and representation
  • Excitation system functions and controls including excitation limiters
  • Protection elements for a s synchronous generator
  • P-Q and R-X diagrams

Topics

  • The steady state stability limit
  • Simulating protection system response during a transient
  • Applications to PRC-019
  • Exercises

Day 1

  • Verifying the Dynamic Database
  • Exciter, Governor and Stabilizer Tuning
  • Reviewing and Modifying Model Parameters
  • Considerations for Inverter-Based Facilities

Day 2

  • Modeling and Simulating, Contingencies
  • Interpreting the Breaker Diagram
  • Modeling Unbalanced Faults
  • Assessing the Dynamic Simulation Results

Day 3

  • Aspects of Stability – transient and long-term, voltage and phase angle
  • Countermeasures to Instability
  • Voltage Versus Angular Instability

Exercises

  • Verifying a Database, Tuning and Modeling of Inverters
  • Modeling Contingencies Based on Breaker Configurations, Unbalanced Disturbances
  • Applying Countermeasures to Instability

Harmonics

  • Sources of harmonics
  • System resonance
  • Harmonic Modelling
  • Injection
  • System capacitance
  • Interpreting the results and comparison against IEEE-519

Voltage Flicker

  • Comparison between IEEE-1453 and IEEE-519 (GE Flicker Curve)
  • Voltage flicker modeling
  • Interpreting the results and comparison against IEEE-1453
  • Hands-on

Topics

  • Normative and indicative planning
  • Handling uncertainty in resources and demand
  • Horizon year and staging approach
  • Robustness and flexibility in transmission plans
  • Measuring Benefits and Costs
  • Cost-benefit analysis

Topics

  • Basic economics of transmission plans
  • Integrating disparate and contrary transmission plans

Exercises

  • Case study of a sample or client system
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