Grid code compliance
The Minety BESS project comprises two phases: Phase 1, an existing 99.8 MW installation, and Phase 2, a proposed 49.9 MW extension connecting to the 132 kV network.
Grid code compliance
The Minety BESS project comprises two phases: Phase 1, an existing 99.8 MW installation, and Phase 2, a proposed 49.9 MW extension connecting to the 132 kV network.
To proactively address the project requirements, we engaged with the available technical information at an early stage and established the system model ahead of our usual modelling timeline. This allowed the engineering team to identify and assess the key technical requirements early, rather than waiting for the design to be fully developed.
Our internal design team was closely involved throughout the process, with direct collaboration between the modelling and design disciplines while the equipment specifications were being prepared. This ensured that the modelling assumptions, system requirements, and design specifications were aligned from the outset, enabling potential issues to be identified early and providing the client with greater confidence in the proposed requirement NER and POW CSD requirements.
A detailed fast track modelling and studies were completed in 2 weeks that included IEC60909 assessment, NER assessment and P28 transformer energisation including the report which was used as an evidence to finalize the requirement of the NER and POW CSD. In addition to this, the team proactive took responsibility to finalize the specification of the earthing auxiliary transformer which is now in manufacturing. The remaining studies are in progress.
One of the Medium Voltage (MV) skids had a different DC/AC configuration, introducing additional modelling complexity that had to be accurately represented and consistently captured across all studies.
The OEM RMS and EMT models provided to the customer for plant-level model development exhibited significant performance and stability issues.
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