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Brands Register products

Fuel Cell Simulation Services - SEGULA Technologies

Helping to transform costumers towards renewable and sustainable technologies and bring them closer to sector coupling by a hydrogen economy.

Fully equipped development center with modern and powerful testing facilities, test benches, laboratories and workshops.

Cross-functional team of experts in Fuel Cell development - more than 20 years experience (Members from the former GM Fuel Cell development Center in Mainz Kastel & Detroit)

Key benefits

Stack Simulation:

Stack inlet simulation
In-stack simulation (e.g. flow field)

System Simulation:

System analysis (BoP components specification)
Durability (e.g. valve actuation)
Validated models
MiL (Model in the loop) environment capability

Vehicle Simulation:

Operating strategy definition and development
Thermal management concepts development
Battery capacity definition
Drive cycle simulation
Validated models
MiL environment capability

Balance of Plant Layout:

Inputs
- Target performance
- System operating modes
- Compressor (and expansion turbine) maps
- Characteristics of recirculation (Hydrogenpump)
- Performance curves of humidifiers
- Integration of in-vehicle (production) controls
Simulation of different ambient conditions

BoP components w/ complex modeling in simulation:

Jetpump
- Information transfer between stack inlet, outlet and recirculation path
- Supersonic conditions at primary nozzle
- Purging interferes with “usual operation”
Passive Humidifier
- Sizing of passive bypass throttle to maintain a specific mass flow
- Water transport
- Thermal coupling (Coupling of wet and dry side to improve accuracy of simulation)

Controls/ Co-Simulation:

Fixed time step – model discretization
- Performance-accuracy tradeoff (optimal time step)
  - Continuous <-> Discrete domains
- Control parameter gains tuning
  - Cascaded control architecture
  - Sampling time selection
- Continuous development of plant environment
  - Integration through reference subsystems
Example: Model validation:
- Setup of 1D- fuel cell system model and validation by chassis roller dyno and fuel cell test bench results
- Base for:
  - Development of operating strategy
  - Fuel cell and battery sizing
  - Integration of in-vehicle (production) controls