250kW-500kW DC-DC Converter MPPT Solar Charger Controller Cabinet
250kW-500kW DC-DC Converter Cabinet
Product Description
The PCENERSYS 250kW-500kW DC-DC Converter Cabinet is a high-performance power conversion solution designed for commercial and industrial PV and energy storage systems. It integrates self-developed high-efficiency DC-DC power modules and supports an optional MPPT controller to maximize PV array power output. By continuously tracking the optimal operating point, the system significantly improves solar energy utilization rate, system stability, and overall energy efficiency. It features a flexible, modular design that supports both indoor and outdoor deployment, making it ideal for large-scale C&I solar-storage integration projects.
Key Advantages
Flexible Indoor & Outdoor Deployment
Supports both indoor and outdoor cabinet designs, enabling flexible installation to adapt to various commercial and industrial environments and site conditions.
Modular & Scalable Architecture
Adopts a modular rack-based structure for flexible configuration, making system expansion, routine maintenance, and future upgrades more convenient and cost-effective.
High-Efficiency Power Conversion
Built with advanced three-level circuit topology, delivering industry-leading conversion efficiency, reducing energy loss, and improving overall system utilization.
Smart Local & Remote Control
Equipped with an integrated local control panel for real-time monitoring, parameter configuration, and remote upgrades, greatly optimizing O&M efficiency.
Optimized MPPT PV Performance
Optional high-performance MPPT controller ensures maximum power tracking for PV arrays, significantly improving solar energy harvesting and self-consumption rate.
High Reliability & Easy Integration
Stable industrial-grade design ensures long-term reliable operation, with seamless compatibility with PV, battery, and PCS systems for simplified integration.
Technical Specifications
| Parameter | DC-DC250 | DC-DC500 |
|---|---|---|
| Photovoltaic(PV) port | ||
| PV open-circuit voltage | 250~ (minimum battery voltage -20V) | 250~ (minimum battery voltage -20V) |
| Max.PV input current | 5*160A | 10*160A |
| MPPT quantity | 5 | 10 |
| Battery port | ||
| Battery voltage range | 600~950V | 600~950V |
| DC side bus power | 250kW | 500kW |
| Number of DC side inputs | 1 | 1 |
| General Parameters | ||
| Degree of protection | IP21（Indoor）；IP55（Outdoor） | IP21（Indoor）; IP55（Outdoor） |
| Protective Class | I | I |
| Display | LCD | LCD |
| Relative humidity | 0 ~ 95% (No condensation) | 0 ~ 95% (No condensation) |
| Noise | ＜78dB | ＜78dB |
| Ambient temperature | -25℃ to +60℃(Derating above 45℃) | -25℃ to +60℃(Derating above 45℃) |
| Cooling mode | Intelligent air-cooled | Intelligent air-cooled |
| Altitude | 3000m (> 3000m reduction) | 3000m (> 3000m reduction) |
| BMS Communication | CAN | CAN |
| EMS Communication | RS485 / CAN/Ethernet | RS485 / CAN/Ethernet |
| Dimensions（W*D*H） | 800*800*2100mm（Indoor）；900*1000*2100mm（Outdoor） | 1200*1000*2100mm（Indoor）;1350*1000*2100m（Outdoor） |
| Weight (approx.) | 450kg（Indoor）；650kg（Outdoor） | 700kg（Indoor）；900kg（Outdoor） |
Application Scenarios & Target Markets
250kW-500kW DC-DC Converter Cabinet for large-scale PV & energy storage system integration
Grid-Side Energy Storage
- Provides grid peak shaving and frequency regulation for stable power system operation
- Supports grid backup, black start and ancillary service market revenue
Large C&I Energy Storage
- Reduces industrial electricity costs through peak shaving and demand management
- Ensures critical load backup power for factories and industrial parks
DC-Coupled Solar + Storage
- Direct DC connection with PV systems to reduce conversion losses
- Improves system efficiency, ROI and applicable for large solar plants
Microgrid & Off-Grid Systems
- Stable power supply for islands, mines and remote weak-grid areas
- Supports PV + wind + storage + diesel hybrid coordinated operation
Data Centers & UPS Systems
- High-reliability backup power for IDC and cloud computing facilities
- Millisecond-level switching and long-duration power support
Virtual Power Plants & Energy Trading
- Aggregates distributed storage for grid-side participation
- Realizes electricity arbitrage and multi-scenario revenue stacking
Factory Strength
Advanced production equipment, standardized workshop, strict quality control system
Certifications
Complete international certifications, product quality meets global standards
International Certification
Quality Certificate
Safety Standard
CE Certification
ISO Certified
RoHS Directive
Our Partners
Trusted by global brands, long-term strategic cooperation
Our Service Policy
Fast response, professional support, and worry-free cooperation
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Tailor-made solutions for your needs
Fast Delivery
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Office Address: 701, Building A, Yonghuayuan Business Building, Baotian 2nd Road, Chentian Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong Province, China
Factory Address 1: Room 701, Building 2, Kegu Industrial Park, Zone B, Jian'an Road, No. 790, Chang'an Town, Dongguan City, Guangdong Province, China
Factory Address 2: Building 7, Phase II Standardized Factory, Innovation Industrial Park, Duji Economic Development Zone, Huaibei City, Anhui Province, China