The main objective of WP1 is to develop use case specifications, requirements, key performance indicators (KPIs) and demonstrators and to define the basement for the project activities and guaranteeing the targets fulfilling. Within WP1, the Task 1.1.1 “Specification of use cases” has been actively starting in month 1 (M1: May 2018) of the project.
The Task 1.1.1 goal is to develop clear specifications for use cases with the involvement of all relevant stakeholders for single use cases (UC1 to UC6). The output of this task is the deliverable D1.1 “Specification for use cases for inverters, test systems and chargers”. These specifications will be used as inputs for other WPs.
For each use case (from UC1 to UC6), the objectives, the main targets, the functionality, the testing and test-bench specifications have been defined from high level perspectives paving the baseline for detailed requirements definition and the other future tasks and project activities:
- Use case 1 addresses test system concepts for validating the key electric and electronic components in hybrid, electric and fuel cell vehicles. New generations of batteries, inverters and other components require improved dynamic and stability properties, and so do the systems required to test and emulate such systems. Therefore the use of SiC and GaN will be evaluated to be ready for fulfilling the advanced testing requirements.
- Within the UC2 the partners have exchanged test capabilities and discussed about the characterization needs for the GaN devices. From this a list of test methodologies has been identified which has been described in D1.1.
- The UC3 focus on design, development, and testing of the newly developed SiC modules in an automotive inverter application, developing two prototypes, with different power classes and architectures. One of the research aspects of this use case is also the testing of the newly developed inverter in a newly developed Hardware in the loop system (HIL) at full or partial power level.
- For the UC4, the specifications have been derived starting from the vehicle level down to the e-machines and dual-inverter levels, also covering the high-level functionality, the main type of testing and the test-benches needed.
- In the framework of UC5, the involved partners have worked together on defining the UC5 specifications and describing the functionality of the building blocks of the on-board charging system based on GaN technology.
- For UC6, the UC6 partners have finalized the off-board charging system specification. The UC goals and research questions were discussed. The functional description of the building blocks, expected interfaces and a development plan has been defined.