Inertia Requirements for Renewable Power Systems

  • Content
  • Learning objectives
  • Target groups
  • Course details

The increasing penetration of renewable energy sources and the replacement of fossil-fuel based power plants is changing the dynamics and stability of today’s electrical power systems. The substitution of well-known synchronous machines with power-electronic interfaced generation presents a challenge, particularly with respect to frequency behaviour.

This online course focuses on frequency and inertia issues and how to approach them using dynamic power system models that are based on open-source software. However, it is noted that replacing synchronous machines with non-rotational sources also has more general consequences.

The topics covered are:

  • The Concepts of Power System Stability and Control
  • The importance of Inertia in Renewable Power Systems
  • Dynamic Power System Modelling (for experts)
  • Case Study (for experts)
  • Lessons learned

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Upon completion of this course, you should be able to:

  • Understand the wider context of inertia’s importance to power system stability.
  • Distinguish the different timescales for frequency control.
  • Differentiate between conventional and renewable power plants, in terms of their control behaviour.
  • Identify and determine relevant dynamic stability measures.
  • Recognise the different standards for frequency stability in different countries.
  • Define inertia (in the context of conventional power plants).
  • Illustrate renewable power system challenges, with respect to inertia.
  • Explain how decreasing inertia changes the frequency gradient.
  • Define measures to increase power system inertia, with or without storage solutions.
  • Operate a software framework for modelling the dynamic stability of power grids, in order to investigate the necessary amount of inertia in relevant power systems.
  • Analyse a case study in the open-source software, PowerDynamics.jl, in order to evaluate different solutions to increase inertia.
  • Identify measures for wind and PV generation, which will ensure that inertia does not become a limiting factor in integrating variable renewable energies.


This training suits those who:

  • Are involved in grid operation and grid planning with wind power and photovoltaic
  • Need to understand how inertia in the grid is changed by wind and photovoltaic development
  • Would like to operate a software to model dynamic stability of a model case power grids with wind power and photovoltaic

Duration: 1 month

Study time: About 20 hours

Training language: English

Detailed course description: A detailed course description is available for download here.

E-learning platform: Access the demo course on our e-learning platform.

Price: 260 €*

Raquel Cascales
Project Director E-Learning and Blended Learning
Tel: +49 (0)30 58 70870 46
Email: cascales[at]


*incl 19 % of German VAT

Additional Information

Inertia Requirements for Renewable Power Systems


  • Flexibility to study at any time and from any location
  • Extensive support
  • Multimedia learning material and self-evaluation tests
  • RENAC certificate upon successful finalisation of the training



Raquel Cascales
Project Director E-Learning and Blended Learning
Tel: +49 (0)30 58 70870 46
Email: cascales[at]

Available dates & times

Next Date Location Language Registration deadline Lecturers Price €* Early bird €* Valid until  
* including 19 % of German VAT



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