PWS1-1500/1725KTL-H Rack Storage Inverter
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Product Highlight
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Battery Voltage Range
- 1070Vdc to 1500Vdc
- Offers a wide DC voltage range to support various battery systems and maximize the flexibility in system design.
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AC Voltage
- AC Voltage: 690Vac
- Frequency: 50/60Hz
- Designed for compatibility with global grid standards, supporting integration with high-voltage grids.
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Current
- Max DC Current/Cabinet: 1897A
- Max DC Current/Branch: 237A
- Supports high-current charging and discharging, ensuring efficient energy transfer and optimal performance.
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Dimensions
- 2200 x 2160 x 1300mm
- Compact, yet robust design, ensuring a high-power output within a manageable size for large-scale projects.
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Weight
- Up to 2000kg
- Built for heavy-duty operation, capable of handling large amounts of power with stability and reliability.
Key Features
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Modular Design
- The inverter supports modular configurations with up to 8 power modules, offering scalable power options that can be adapted to meet the specific needs of large-scale energy systems.
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Transformer-less Design
- The transformer-less design enhances system efficiency and reduces both size and costs, while still providing high reliability.
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DC-Coupled DC Strings
- Supports DC-coupled DC strings, allowing for direct integration of solar arrays, batteries, and other renewable energy sources for optimized system performance.
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Multi-string Technology
- With the ability to connect multiple battery strings, this inverter ensures better battery safety and allows for parallel energy storage systems to improve flexibility and performance.
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Maximum Efficiency (Up to 99%)
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Fast Response Time
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NEMA3R Rating (Outdoor)
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Grid-Support Function
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Global Grid Certification
Applications

- Large-Scale Energy Storage Projects
- Commercial and Industrial Energy Systems
- Microgrid Solutions
- Grid Support and Frequency Regulation
- Peak Shaving and Load Shifting
- Renewable Energy Integration (e.g., Solar, Wind)
- Backup Power Systems
Key Benefits
01
Scalability
- The modular design allows easy expansion with up to 8 modules, offering flexibility for projects that may require additional power capacity in the future.
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High Efficiency
- Achieves 99% efficiency, ensuring optimal performance and reducing energy losses for large-scale storage and renewable energy systems.
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Flexible Integration
- Compatible with multiple battery strings, high-voltage grids, and other power sources, providing maximum flexibility in system design and installation.
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Robust and Reliable
- IP54/NEMA3R rating ensures that the inverter can withstand harsh outdoor environments, making it suitable for a wide range of applications in commercial, industrial, and grid-support contexts.
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Grid Compliance
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Future-Proof Design
Conclusion

The PWS1-1500/1725KTL-H Rack Storage Inverter is a powerful, flexible, and high-efficiency solution for large-scale energy storage and grid integration. With a modular design, high-efficiency operation, and advanced features like multi-string technology and grid-support functions, it is ideal for commercial, industrial, and microgrid applications. The inverter's scalability, high power capacity, and robust outdoor design make it a reliable choice for sustainable energy systems and large energy storage projects worldwide.