main tasks and responsibilities within the project
ZIV will be responsible for the following activities:
- New protective relays for M.V. grids including high renewable energy penetration: based on RTDS simulations performed by CIRCE and other partners, ZIV will analyse the behaviour of their protective relays applied in the MV grid, including directional overcurrent, distance, transformer differential, line differential, frequency, voltage, etc. ZIV will define the limitations of the algorithms used in these relays and it will propose improved algorithms. These algorithms, implemented in ZIV relays, will be tested in CIRCE RTDS.
- Feeder Mapping algorithm Improvement.
This project relates to the detection of the meters of each low-voltage line at the secondary substations and the inducer-receiver sensors being arranged in one of the phases of the lines that are in contact with the final meters.
A method is used for the collection of the current induced by the inducer-receiver sensors via the PLC, thereby identifying the dependent meters of each line.
The proposal is to analyze the impact of improving the solution using both the voltage and the inducted current, obtaining the power flow of the signal on each feeder.
For this, it would be necessary to carry out measurements in real field installations, with adequate equipment, to verify if this combined measure would provide a unique identification of the dependency of a meter related to a feeder of the LV distribution grid.
For the current transducers, the phase shift response through the bandwidth of analysis must be studied, along with the required synchronization of the overall system.
- New generation of smart meters with real-time information for final consumers.
- As numerous studies show, part of the economic success of smart meter deployments is based on the adoption by consumers of efficient behaviour patterns (energetically speaking). For this, it is important that the smart meters have the appropriate communication interfaces that provide information in real time to consumers. The objective of this development is, on one hand, to identify which are the main use scenarios in which, to provide information in real time of the consumption of electric power is relevant, and on the other hand, to investigate what technologies are suitable to provide said information in real time. To do so, two main subtasks have been identified:
- Use scenarios for the management of information in real time of final consumers. This sub-task aims to identify both the main future use scenarios, related to more efficient use of electric power, both in homes and in commercial clients, as well as the information needs in real time that such use scenarios impose. In this task we will analyze the main initiatives that are being carried out in Europe and we will also try to identify potential barriers to import the most successful initiatives in Spain.
- Investigation in real-time interfaces for electric meters. In this task, we will investigate the main technologies that can be used to make the use scenarios identified in the previous task a reality. It is very important to indicate that we will focus mainly on potential technologies, both radio and powerline communications (PLC), since they do not imply an investment in new telecommunications infrastructure. In this task, a comparison of telecommunication technologies will also be carried out bearing in mind the cost of adding said interfaces in the electric energy meters with telemanagement and time discrimination function.