The Green Village
Current/OS Partners Involved:
DC Opportunities
Location
Delft, The Netherlands
Setup
2022
Context
At The Green Village, located on at the Technical University of Delft, a meshed bipolar 350/700V DC microgrid has been in continuous 24/7 operation for over three years. This microgrid serves as a living lab for real-world testing and deployment of high-efficiency DC solutions, setting new standards for future applications worldwide. The latest advancements in next-generation DC technology are demonstrated, showcasing key innovations in solid-state protection, bidirectional power flow, and islanding capabilities.
Implementation
• Fully selective Solid-State Circuit Breakers for advanced grid protection
• DC/DC PV String Optimizer for solar energy efficiency
• DC/DC battery converter integrating second-life batteries
• 350/700V Balancing Converter to ensure stability
• DC/DC EV Charger for direct vehicle charging
• DC/DC GaN LED highway lights with remote control and dimming capabilities
Benefits
• Reliable and scalable DC microgrid: Three years of continuous operation
• Optimized energy efficiency: Advanced converters reduce energy loss
• Improved system protection: Solid-state circuit breakers enhance safety and control
• Smart grid capabilities: Bidirectional power flow and islanding ensure resilience
• Future-proof technology: Scalable solutions for global deployment
Quote
“At The Green Village, located at the Technical University of Delft, DC Opportunities installed a bipolar 350/700V DC microgrid powering street lighting and an EV charger. The meshed grid is powered by solar panels, with energy either stored in batteries or used directly. DC Opportunities’ power converters and solid-state protection ensure seamless integration and reliability, showcasing sustainable energy solutions for the future.”
Laurens Mackay, Founder
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Current/OS is defining standards for DC Microgrids. As a nonprofit, open partnership of electricity stakeholders and manufacturers, we are committed to researching and developing Direct Current (DC) power distribution for tertiary buildings and installations.
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