RealSim: Real-Time Phasor-EMT Simulations
- Status:
- Live
- Project Reference Number:
- NIA2_NGESO045
- STRATEGY THEME:
-
- Net zero and the energy system transition
- START DATE:
- END DATE:
Project summary
- Funding mechanism:
-
- NIA_RIIO-2
- Technology:
-
- Digital Network
- Modelling
- Expenditure:
- £450,000
- Preceding Projects:
- Third Party Collaborators:
-
- University of Warwick
The increasing penetration of inverter-based resources and HVDC interconnections have created unfavourable dynamic interactions, oscillations and low inertia related stability issues. With the planned continuous growth of inverter-based resources into the system, it is essential to develop real-time modelling and simulation studies for fundamental understanding and mitigation strategies of various types of oscillations.
This project aims to develop a real-time simulation of a region of GB power system in both phasor and EMT modes for transient stability assessments. It investigates when and where to use the phasor mode and EMT mode simulations for a given system condition and provide real-time simulation of the grid in that region for system stability and security and identification of stability risks.
Benefits
The GB power system is transforming into a lower inertia system and facing the decline in short circuit level. The ESO needs to ensure that the sophisticated methodologies and simulation models under consideration are accurate and robust before incorporating them into the decision-making when maintaining system stability. Inaccurate simulation model or inappropriate use of a model in the wrong time and region carries tremendous technical risk, as well as significant business risk if making incorrect judgments based on it. This project investigates the real-time simulation phasor-EMT models to utilise the advantages of both simulation modes to increase the stability and reducing the uncertainties involved in the modelling and stability studies.
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