Modelon Ab · OMXSTO:MODEL
Modelon Ab — Technical Presentation (2021)
24 slides from Modelon Ab's technical presentation, 2021
Slide 1: Hydro Power Library Overview
HYDRO POWER LIBRARY Overview ©2021 Modelon.
Slide 2: Agenda
AGENDA ❑ About Hydro Power Library ❑ Key Benefits ❑ Key Capabilities ❑ Key Applications ❑ Library Contents ❑ Modelon Compatibility ©2021 Modelon.
Slide 3: About Hydro Power Library
ABOUT HYDRO POWER LIBRARY? • Hydro Power Library is designed to be an effective tool for • Commissioning • Testing of new control strategies • Improve plant operation • Development and verification of new designs • Analysis of waterway dynamics • Failure investigation • Reduces the risk of unexpecte
Slide 4: Key Benefits
KEY BENEFITS • Complete environment for verification of plant concepts and control strategies • Get quick feedback with fast and robust simulations • Accurate physics-based models capable of predicting water- hammer effects and give insight of the waterway dynamics • Easy integration of hydraulic an
Slide 5: Key Capabilities
KEY CAPABILITIES • Full plant model simulation including grid synchronization and control system • Support for dynamic and steady-state simulation • Component and system studies Generator frequency at load rejection • Interface compatible with Electrical Power Library to use for detailed electrical
Slide 6: Key Applications
KEY APPLICATIONS ©2021 Modelon.
Slide 7: Stabilizing Hydro Power for the Electrical Grid
CASE STUDY Stabilizing Hydro Power for the Electrical Grid Objective Using Modelon’s Hydro and Electric Power Library, engineers set out to improve the understanding of Iceland’s Fossarvirkjun power plant by investigating load rejection and exploring worst-case scenarios during complete plant shutdo
Slide 8: Optimization of Scheduled Production Deviation
CASE STUDY Optimization of Scheduled Production Deviation Objective Using Modelon’s Hydro Power Library, researchers set out to decrease the deviations from the scheduled production in Sundsbarm in Norway. Deviations have a negative economic impact as overproduction leads to low price on excess powe
Slide 9: Hydro Power Plant Design and Extension
CASE STUDY Hydro Power Plant Design and Extension Typical customer concerns addressed by the library 1. Does the new control implementation function correctly, so that it can be safely commissioned? 2. Can the guide vane closing time be reduced without exceeding pressure limits? 3. What will the pre
Slide 10: Library Contents
LIBRARY CONTENTS ©2021 Modelon.
Slide 11: Library Contents
LIBRARY CONTENTS • More than 100 components, covering all important aspects of hydro plant modeling • The library includes: • Examples displaying typical use-cases and capabilities • Hydro system components including pipe and reservoir models • Mechanical components • Electrical components to model
Slide 12: Examples – Plant connecting to grid
LIBRARY CONTENTS • Examples – Plant connecting to grid • Will there be a smooth transition at grid synchronization? ©2021 Modelon.
Slide 13: Examples – Water hammer effect
LIBRARY CONTENTS • Examples – Water hammer effect • Will the pressure exceed damaging levels during an emergency shutdown? ©2021 Modelon.
Slide 14: Examples – Pump storage
LIBRARY CONTENTS • Examples – Pump storage • Investigate strategies for pump storage ©2021 Modelon.
Slide 15: Examples – Surge tank oscillations
LIBRARY CONTENTS • Examples – Surge tank oscillations • How to dimension surge tank, valves and closing times to avoid long oscillation times and high pressure? ©2021 Modelon.
Slide 16: Hydro system
LIBRARY CONTENTS • Hydro system • Pipes capable of simulating pressure transients and water inertia • 1D – discretized pipe • TLM (transmission-line-model) for fast simulation of longer pipes • Reservoir • Can predict the water level while tuning the water level control system and studying the dynam
Slide 17: Mechanical system
LIBRARY CONTENTS • Mechanical system • Parameterized using efficiency and flow data available from manufacturers • Transfer function based actuator models (possible to increase fidelity level using physics- based hydraulics models) ©2021 Modelon.
Slide 18: Power grid load and production units
LIBRARY CONTENTS • Power grid load and production units can be enabled and disabled during simulation • Support for resistive and frequency depend loads • Possible to combine with Electric Power Library for more detailed grid studies • Main circuit breaker • Enables power plant simulation in differe
Slide 19: Turbine governor
LIBRARY CONTENTS • Turbine governor • PID structure with a feed-forward part including droop control • Default controller may be replaced with more sophisticated model based methods such as Model Predictive Control. ©2021 Modelon.
Slide 20: System component
LIBRARY CONTENTS • System component • System-wide settings • Transient or steady-state initialization • Disable thermal effects for speed-up • Default parameters for pipe roughness and tube elasticity ©2021 Modelon.
Slide 21: Modelon Compatibility
MODELON COMPATIBILITY ©2021 Modelon.
Slide 22: Recommended Modelon Library Compatibility
RECOMMENDED MODELON LIBRARY COMPATIBILITY • Electric Power Library • Hydraulics Library ©2021 Modelon.
Slide 23: Latest Release
LATEST RELEASE ©2021 Modelon. 23
Slide 24: Release 2021.2 Enhancements
RELEASE:2021.2 Enhancements • Version 2.13 is updated for use with Modelon Base Library 3.7 ©2021 Modelon. 24