The new inverter operates without derating at temperatures of up to 52 degrees Celsius and incorporates AI-driven fault detection and advanced grid-forming capabilities. It offers increased modularity over the previous version, with each unit rated at 800 kW, scalable up to 9.6 MW by connecting up to 12 units in parallel.
The smarter E Europe: pv Guided Tours and CEO-Talks - live from Munich
Critical components isolated
The product’s split modular design isolates critical components (IGBTs, capacitors) in the upper inverter module for quick field replacement. Operation and maintenance (O&M) time is slashed to one hour per module swap, enabling field engineers to perform quick replacements.
Smarter E AWARD 2025: Energy transition pioneers shortlisted
Its IP66 protection construction provides resilience to extreme conditions. The sealed module, which features fully protected internal components and uses advanced heat dissipation techniques as well as self-cleaning air duct functions, safeguards the high reliability of the inverter.
The smarter E Europe: Debut of special exhibit on bidirectional charging
New PowerStack 255CS for C&I
A further innovation is the PowerStack 255CS, namely a next-generation liquid-cooling commercial and industrial (C&I) energy storage system. This is based on large cells each if 314 Ah, and offers 257 kWh capacity (2-hour system) or 514 kWh capacity (4-hour) in a single container.
Expert analysis – C&I storage driving a cleaner energy system
Incorporating advanced liquid-cooling technology, the AI-controlled heat balance technology analyses the cell temperature and the operating conditions data, intelligently adjusting the cooling power to reduce auxiliary power consumption by 33%.
UK: 100MW/331MWh Bramley battery project goes into operation
Global safety standards
The PowerStack 255CS meets global safety certifications, including UL9540 and NFPA855/69/68/14, ensuring the highest standards of protection. It features advanced cell anomaly detection and multi-stage overcurrent protection to prevent thermal runaway.
Expert analysis: 10 must-know technological trends driving solar and storage development
The system integrates early fire detection with multiple suppression measures, minimising risks at every stage. With a comprehensive safety design incorporating cabinet-level, rack-level and pack-level fuse protection, the PowerStack 255CS delivers robust fire prevention and enhanced operational security. (HS)
