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Laboratory for Software and Hardware Modelling Based on RTDS (Real Time Digital Simulator)

Contract number
Time span of the project
Invited researcher
since August 2023 Gryazina Elena N
2021 - 2023 Terzija Vladimir

As of 01.11.2022

Number of staff members
scientific publications
General information
Name of the project: Modern methods of the monitoring, protection, and control for future electrical systems
Goals and objectives

The main goal of the project is the creation of a new laboratory for software & hardware modelling based on Real Time Digital Simulator (RTDS), the development of a number of methods of monitoring, protection, and control for future electric power systems and the verification of these methods in the created laboratory.

The practical value of the study

Scientific results:

The goal of the project is to create a modern laboratory for software and hardware modeling of electric networks and solving a number of problems of modern energy industry on its basis. The primary focus was placed on networks with high shares power electronics devices both on the consumer side and on the generation side. This includes solving problems of managing networks with high shares of renewable power sources.

The project includes three blocks:

Block 1. Developing representative models of components of power systems. This block includes the development of models of the main modern components, such as Solar and wind power stations (with various types of grid connection), storage systems, the main types of loads as well as aggregate load models. These models are further integrated into the RSCAD environment for their use in the RTDS system.    Complete models with the resolution of electromagnetic degrees of freedom as well as with detailed modeling of devices of power electronics. Such models are aimed at detailed simulations and require major computational power. Simplified models only account for a part of degrees of freedom. They are required to be used in models of large energy systems, for which the use of complete models is impossible due to limitations of computational power.

Block 2. Developing methods for monitoring the state of networks and for identifying parameters of components of energy systems. Within this direction, we are developing a number of methods for the assessment of the states of networks, the limits of their stability, as well as methods of determining the parameters of systems from measurement data (for instance, from data of systems for monitoring of transient modes). One of the main objective is to develop identification methods relying on data of «background» measurements not related to large-scale transition processes. Also as part of this block we are developing a data collection and visualization system integrated with the RTDS software and hardware modeling system.

Block 3. Developing new methods for automated control and relay protection systems for modern electrical networks. Within this direction we are developing methods of network control under conditions of a large share of power electronics, in particular, methods of controlling renewable energy sources and storage systems. The use of the capabilities of modern power electronics devices (most often, inverters) allows to develop qualitatively new controlling inputs, such as: fast frequency tuning, stable control of generation and (or) consumption. On the other hand, the majority of classical principles of control and relay protection need to be revised.     

Practical significance of research:

The results achieved in the project allow to increase the reliability of modern electrical networks, decrease operating costs, significantly decrease «price thresholds» for the implementations of modern systems (for instance, storage systems), simplify the procedure of integration of renewable power sources and increase the maximum allowable share of such sources.

Education and career development:

In 2021 at our Laboratory: 9 postgraduate students; 6 undergraduate students; 3 enrolled into the postgraduate school.

In 2022 at our Laboratory: 8 postgraduate students; 10 undergraduate students; 1 enrolled into the postgraduate school.

Candidate of Sciences and Doctor of Sciences dissertation are planned for defense.

We are holding weekly international seminars:

  • In 2021, we conducted a series of international seminars «Friday Seminar Series» from 12 November 2022 to 24 December 2022;
  • In 2022, we conducted 18 international seminars:
    • 10 international seminars of the «Friday Seminar Series»;
    • 2 seminars «AMPaC Assembly Meeting»;
    • 4 international seminars: «Distribution power systems in the energy transition»;
    • One international seminar: «Power system restoration after a nationwide blackout requires planning, testing and training in practice»;
    • One international seminar: «Renewable Energy Integration International Forum 2022».

Organizational and infrastructural transformations:

A laboratory for software and hardware modeling has been created on the basis of RTDS. It is equipped with PONOVO power converters (amplifiers).


  1. Shandong University (China PR).
  2. National University of Singapore (Singapore).
  3. Delft University of Technology (the Netherlands).
  4. Indian Institute of Technology, Kannur (India).
  5. University of Warwick (United Kingdom).

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Z. Jin, J. Zhao, L. Ding, S. Chakrabarti, E. Gryazina, V. Terzija
Power system anomaly detection using innovation reduction properties of iterated extended Kalman filter / Elsevier, International Journal of Electrical Power & Energy Systems (Q1), Volume 136, 2022, ISSN 0142-0615, https://doi.org/10.1016/j.ijepes.2021.107613.
Y. Liu, D. Ćetenović, H. Li, E. Gryazina, V. Terzija
An optimized multi-objective reactive power dispatch strategy based on improved genetic algorithm for wind power integrated systems / Elsevier, International Journal of Electrical Power & Energy Systems (Q1), Volume 136, 2022, ISSN 0142-0615, https://doi.org/10.1016/j.ijepes.2021.107764.
Y. Jia, S. Djurović, V. Stanojević, L. Ding, P. Vorobev, V. Terzija
An embedded VFAF in DFIG-based wind farms for SSCI mitigation / Elsevier, International Journal of Electrical Power & Energy Systems (Q1), Volume 137, 2022, ISSN 0142 0615, https://doi.org/10.1016/j.ijepes.2021.107765.
R. Samanbakhsh, P. Koohi, F.M. Ibanez, F. Martin, V. Terzija
A Z-Source Inverter With Switched Network in the Grid-Connected Applications / International Journal of Electric Power and Energy Systems (Q1), Volume 15, 2022, ISSN 1996-1073, http://dx.doi.org/10.2139/ssrn.4079487.
A. Gorbunov, J. C.-H. Peng, J. W. Bialek and P. Vorobev
Can Center-of-Inertia Model be Identified From Ambient Frequency Measurements? / IEEE Transactions on Power Systems (Q1), Volume 37, 2022, ISSN 1558-0679, https://doi.org/10.1109/TPWRS.2022.3147691.
T. Sayfutdinov, P. Vorobev
Optimal utilization strategy of the LiFePO4 battery storage / Applied Energy (Q1), Volume 316, 2022, ISSN 0306-2619, https://doi.org/10.1016/j.apenergy.2022.119080.
A. Gorbunov, J. C.-H. Peng, J. W. Bialek, P. Vorobev
Identification of Stability Regions in Inverter-Based Microgrids / IEEE Transactions on power systems (Q1), Volume 37, Pages 2613-2623, 2022, ISSN 1558-0679, https://doi.org/10.1109/TPWRS.2021.3121629.
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