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Project Description

Project Description

3S-CS (Standardization-Security-Synchronization Connected Substation)

The main objective of the 3S-CS Project is the development of a comprehensive system for the control of electrical substations based on IEC61850, with wireless capacity and IoT. Taking the RTU (Remote Terminal Unit) as a central element of the electrical substation, a set of components focused on improving the efficiency and safety of electrical infrastructures will be developed.

The development of this new system will be based on five pillars:

  1. Standardization
  2. Security
  3. Synchronization
  4. Wireless communications
  5. Internet of Things (IoT)

Isotrol participates in this project mainly assuming the development of wireless communication in the substation. The R&D department is developing a solution that allows RTU devices to communicate wirelessly complying with the requirements of the IEC 61850 standard, thus providing a redundant communication path to the traditional wiring system in the substation. This solution is complemented with the development of a prototype driver “IEC 61850 Server” that will allow the transfer of telemetry values ​​to the RTU wirelessly, complying with the specifications of the IEC 61850 standard.

Isotrol is also part of the solution, for the development of the IoT system in the substation. We are working on the realization of a prototype that facilitates LTE communication of the system with different IoT platforms, such as Azure or FIWARE.


Wireless communication is an innovation in the communication systems of the IEC 61850 standard. The development of an IoT system in the substation allows the evolution of the substation to the digital world. With both developments, Isotrol aims to contribute to the increase in efficiency in electrical substations by improving communications, remote predictive maintenance and improving access to information on the components of the substation.

Participants: Endesa Distribución, Schneider Electric, Isotrol e Integrasys.

Execution Period: 2016-2018 (extended until March 2019)

Funding: This project has a €2.28M total budget (Isotrol´s Budget €156,538), and it is funded by the Center for the Development of Industrial Technology (CDTI) and co-funded by the European Regional Development Fund (FEDER) through INNTERCONECTA program 2016.



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