The objectives will be achieved through the implementation of specific activities. During Phase I (2014-2016), these activities were focus on the development of new innovative solutions which are validated during Phase II (2017-2020) in demonstration sites.

The activities for each Phase and the associated milestones are presented below.

Activities Phase II (2017-2020)

S 4.1 Multi-physics Simulations for Power Systems

Subtask leader: 10.1 HSLU, Prof. Casartelli

Description: Development of a tool for fully coupled electromagnetic-mechanic FEM simulations of an electric generation system consisting of hydro turbine, shaft, and generator. This will be used for the study of transient stability and turbine shaft fatigue; and the development of new methods for components’ stress mitigation.


M4.1.1 Coupling prototype for turbine/generator interaction (time discretization methods for the coupled system with constraints)  3.3. USI-ICS, Prof. Krause [Oct. 2017]
M4.1.2 Fluid structure interaction for turbine/water based on immersed boundary approach  3.3. USI-ICS, Prof. Krause [Oct. 2018]
M4.1.3 Reduced model for parts of the turbine/generator system  10.1 HSLU, Prof. Casartelli [Apr. 2019]
M4.1.4 Fully coupled Multiphysics FEM simulations with reduced/full model of turbine-shaft-generator system under transient loading  10.1 HSLU, Prof. Casartelli [Jun. 2020]
M4.1.5 Development of fatigue model prototype and its application as a post-processing tool  10.1 HSLU, Prof. Casartelli [Dec. 2020]

S 4.2 Reliability, Monitoring, and Failure Detection

Subtask leader: 9.1. HSR, Prof.Smajic

Description:  Increased reliability and performance of monitoring tools for grid components by (a) studying the reliability of the component insulation in detail in case of dry-band surface discharges on outdoor equipment and in Gas Insulated Substations (GIS) exposed to very fast transients; and (b) analysis of the application and sustainability of novel solid-date state transformer for the power distribution based on SiC-semiconductors and definition of the optimal dimensioning criteria

M4.2.1 Electrical characterization setup for SiC devices operational  7.1 FHNW, Prof.Schulz [Dec. 2017]
M4.2.2 Measurements, modeling, and simulations of discharges in barrier insulation systems 9.1 HSR, Prof.Smajic [June 2018]
M4.2.3 Experimental assessment of SiC reliability on package level  7.1 FHNW, Prof.Schulz [Dec. 2018]
M4.2.4 EMC analysis of large PV systems; comparison of measurements and simulations 9.1 HSR, Prof.Smajic [Sept. 2019]
M4.2.5 Analysis of insulation systems under Very Fast Transients stress due to converter switching 9.1 HSR, Prof.Smajic [Dec. 2012]


S4.3 Grid Integration of PV, and Storage

Subtask leader: 8.2 BFH – PV-Lab, Prof. Muntwyler

Description: Improved PV system components including inverter, battery, component test, and test norms by developing new fire prevention and anti-snow coverage strategies which will increase the reliability and safety of PV installations; test and develop norms for multi-tracker inverters combined with battery systems.

M4.3.1 Tests with Multi-tracker inverters and proposal for test norms with for “ multi – tracker ” – inverter and inverter – batteries  8.2 BFH – PV-Lab, Prof. Muntwyler [Mar. 2018]
M4.3.2 Development of strategies against snow coverage of PV plants  8.2 BFH – PV-Lab, Prof. Muntwyler [Sep. 2018]
M4.3.3 Cost calculations and cost forecast for PV Power based on long term historical data  8.2 BFH – PV-Lab, Prof. Muntwyler [Oct. 2019]
M4.3.4 Update of strategies against snow coverage of PV plants and development of recommendations for the use of mobiles storage  8.2 BFH – PV-Lab, Prof. Muntwyler [Oct. 2019]
M4.3.5 PV planning considering smart power users and batteries for cost optimised installation and high (10-20%) penetration of PV power into the grid  8.2 BFH – PV-Lab, Prof. Muntwyler [Oct. 2020]




Activities Phase I (2014-2016)

S4.1. Modelling and experimental investigation of Very Fast Transient (VFT) in DC installations





First medium- and high-voltage VFT and BIL measurements


VFT damping by using HF-resonators – experimental verification


HF-modelling of transformer winding – experimental verification

Leading Institute

9.1 HSR

Industrial Partners

ABB; Siemens


S4.2. Life-cycle optimization of power system components and reliability analysis




Implementation of a multi-physics simulation model for power system


“Holistic” optimization suggestions based on simulations and experiments and its experimental validation


Test procedures of battery storage systems dedicate to PV production compensation


Leading Institute

7.1 FHNW

Contributing Institutes

3.3 USI ICS; 8.2 BUAS PV; 9.1 HSR ///

Industrial Partners

ABB; Siemens; Sputnik Engineering AG; Brunner Imboden AG ;Integrated Power Solution AG; Helion Solar AG

S4.3. Addressing instability of hydro power plant during their design




Investigation of source of instability


Design of stable start-up PSP


Formulation of validated guidelines for PSP design.


Leading Institute

10.1 HSLU

Industrial Partners

ABB; Andritz Hydro AG ///

S4.4. Embedded systems for the electrical grids real-time monitoring




Experimental demonstrators of real-time monitoring infrastructures of electrical distribution grids


Phasor Measurement Units for distribution power networks based on advanced embedded systems

Leading Institute


Contributing Institutes


Industrial Partners

ABB; Romande Energie; Siemens