Noticias

When Ferrari Hypersail launched its America's Cup racing yacht in September 2026, the vessel's electrical architecture represented something unusual for marine applications: a comprehensive direct current distribution system designed and supplied by ABB. The partnership, announced September 19, 2026, marks one of the most visible demonstrations of DC technology's potential in high-performance marine environments, where power density, weight reduction, and system efficiency directly determine competitive outcomes on the water.

The collaboration emerged from ABB Marine & Ports division's ongoing development of DC distribution solutions for commercial and naval applications. While alternating current has dominated marine electrical systems for over a century, the proliferation of battery storage, variable speed drives, and renewable generation sources has renewed interest in DC architectures that eliminate conversion losses inherent in AC systems with mixed power sources. The Ferrari Hypersail project provided an opportunity to validate these technologies under extreme operating conditions where failure is not an option and performance margins are measured in fractions of seconds.

Image: official Ferrari Hypersail rendering, courtesy of the ABB press office (new.abb.com news release, September 14, 2026).

Racing yachts of the America's Cup class operate electrical loads that would be substantial for commercial vessels of similar displacement. Hydrofoil control systems require continuous adjustment of hydraulic actuators responding to sensor inputs at millisecond intervals. Sail trim mechanisms employ electric winches demanding precise torque control. Navigation, communications, and telemetry systems require uninterrupted power quality. Battery banks storing energy from hydrogeneration during downwind sailing must discharge efficiently during upwind legs when foil and sail loads peak. Managing these diverse loads through a unified DC bus eliminates multiple AC-DC and DC-AC conversion stages that would otherwise add weight, volume, and efficiency losses.

ABB's DC distribution architecture for Ferrari Hypersail operates at 700 volts nominal, selected to balance conductor sizing against insulation requirements and component availability. The system integrates lithium-ion battery banks, hydrogeneration converters, and load controllers through bidirectional DC-DC converters that maintain bus voltage within tight tolerances regardless of power flow direction. When the yacht sails at speeds exceeding 50 knots, hydrofoil generators feed power back into the battery system through regenerative braking functionality analogous to electric vehicle systems. This energy recovery would require complex synchronization if implemented through AC architecture but occurs naturally in the DC bus configuration.

The technical challenges extended beyond normal marine electrical design considerations. Racing yachts experience acceleration forces exceeding 3g during maneuvers, with equipment subjected to vibration, shock loads, and saltwater spray in quantities far beyond commercial vessel experience. ABB's marine-grade variable frequency drives and power conversion equipment required additional conformal coating, mechanical securing, and environmental sealing beyond standard specifications. The company's ACS880 marine drive platform, typically deployed in commercial vessel propulsion and thruster systems, was adapted for the yacht's foil control pump motors requiring dynamic response characteristics more typical of industrial servo applications than marine propulsion.

Weight reduction proved critical to the project's success. Every kilogram saved in electrical system components translates directly to improved acceleration, higher top speeds, and reduced hydrofoil loading. ABB's DC architecture eliminated the heavy copper buswork, harmonic filters, and reactive power compensation equipment required in equivalent AC systems. The power electronics themselves achieved higher power density through advanced cooling designs borrowed from ABB's industrial drive portfolio, using liquid cooling loops that also serve the yacht's overall thermal management system. Total electrical system weight came in 18 percent below the team's original AC-based design target.

Safety considerations in DC marine systems differ substantially from AC equivalents. DC arcs, once established, do not self-extinguish at current zero crossings as AC arcs do, requiring specialized circuit breakers with active arc quenching mechanisms. ABB supplied its SACE DC circuit breaker family, originally developed for photovoltaic and energy storage applications, rated for the system's maximum prospective fault currents. The protection coordination study required careful analysis of fault current contributions from batteries, generators, and motor back-EMF simultaneously feeding fault locations through low-impedance DC paths.

The project also demonstrated DC system advantages for marine automation and control integration. The yacht's power management system, built on ABB's 800xA platform adapted for marine applications, monitors over 400 measurement points across the electrical distribution system. Real-time optimization algorithms adjust power flow between batteries, generators, and loads based on sailing conditions, race strategy, and equipment temperature limits. The system's deterministic communication architecture, using EtherCAT industrial Ethernet protocol, provides the sub-millisecond response times required for foil control while maintaining compatibility with standard marine automation protocols used for navigation and machinery monitoring.

Ferrari Hypersail's technical director noted that the DC architecture's benefits extended beyond pure electrical efficiency. The system's modularity simplified maintenance and troubleshooting, with individual DC-DC converters isolated from each other through the common bus. If a converter fails, the remaining units continue operating without the cascading failures possible in tightly coupled AC systems with shared harmonic filters and power factor correction. This fault tolerance proved essential during testing when time between races allowed minimal maintenance windows.

The partnership's visibility extends beyond the racing circuit. ABB views the Ferrari Hypersail project as a proof-of-concept for DC distribution in performance-critical marine applications where its commercial marine customers increasingly seek efficiency improvements and emissions reductions. The company has indicated that lessons learned from the racing program will inform development of standardized DC distribution packages for high-speed ferries, offshore wind service operation vessels, and naval applications where similar power density and efficiency requirements exist.

The America's Cup racing itself provides demanding validation of the technology. Foiling monohulls sailing at 50+ knots place extreme demands on electrical systems controlling hydrofoil angle, ride height, and roll stability. The control systems must respond to wave encounters and wind gusts with actuator movements measured in milliseconds, requiring power systems capable of rapid load acceptance without voltage excursions that would disrupt control processor operation. The DC bus architecture's inherent stability under rapidly changing load conditions, combined with battery storage providing instantaneous power buffering, has enabled control system performance that the design team considers impossible to achieve with equivalent AC architecture.

Beyond the technical achievements, the partnership represents a broader shift in how extreme performance applications drive innovation in industrial automation technology. Ferrari Hypersail's willingness to adopt unproven DC distribution technology, combined with ABB's capability to adapt commercial marine products to racing requirements, created a development environment where both organizations pushed beyond their normal operating parameters. The resulting system demonstrates that DC distribution, long considered suitable only for specialized applications, has matured to the point where it can compete with century-old AC marine electrical practice even in the most demanding conditions.

As the America's Cup competition unfolds through late 2026, observers will watch not only for sailing performance but also for reliability data from the DC electrical systems. Success on the racecourse will validate the technology for broader marine applications, while any failures will provide equally valuable lessons about DC system design margins and failure modes in extreme environments. Either outcome advances the state of marine electrical architecture knowledge, benefiting commercial and naval applications that face similar challenges of integrating diverse power sources while minimizing weight and maximizing efficiency.

Written by: Maxwell, marine automation specialist with over 14 years of experience in shipboard electrical systems, power distribution architecture, and integrated control platforms. Maxwell has supported vessel electrification projects across commercial shipping, offshore support, and naval applications, focusing on energy efficiency optimization, hybrid power system integration, and automation system design for mission-critical marine operations.