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Product catalog summary
Company Overview
REFUsol GmbH, a leader in power electronics, has been manufacturing high-quality converters in Germany for over 48 years. Since joining Advanced Energy Inc. in 2013, it ranks among the top three global manufacturers of photovoltaic inverters, operating in 29 countries across five continents. The company focuses on efficient photovoltaic inverters with peak efficiencies of 98.7%.
Product Line
  • String Inverters - Single-Phase: The AE 1TL series (1.8 to 4.2 kW) is designed for small systems, offering IP65 protection, easy installation, and efficiencies up to 98.6%.
  • String Inverters - Three-Phase: The REFUsol series (008K to 020K) targets medium to large installations, achieving efficiencies up to 98.2% with features like natural convection cooling and integrated data logging.
  • Central Inverters: Models like the REFUsol 333K cater to large-scale solar parks, ensuring robust performance and reliability.
Technological Innovations
REFUsol inverters feature advanced MPP tracking algorithms with a tracking efficiency of 99.9%. The REFUsol 020K-SCI model uses silicon carbide to enhance performance, achieving a peak efficiency of 98.7%.
Accessories and Services
The product line includes accessories such as PV thermal solutions, radio modules, and safety equipment. REFUsol offers REFUlog, a web-based tool for monitoring PV system performance, along with comprehensive service support including maintenance, training, and warranty options.
Certifications and Standards
REFUsol products are certified under DIN EN ISO 9001:2000 and comply with various international standards, ensuring high quality and reliability.
Technical Specifications
  • REFUsol 023K-460 VAC: Suitable for medium voltage applications in large-scale PV systems, offering over 98% efficiency, fast MPP tracking, and maintenance-free convection cooling.
  • REFUsol 333K: A high-efficiency central inverter for open field sites and industrial rooftops, delivering up to 333 kW with over 98.4% efficiency.
  • REFUsol 500K–630K: Designed for utility-scale applications, these inverters offer peak efficiencies over 98.1% with water cooling and anti-islanding functionality.
  • REFUspb Powerbox: A turnkey solution for power transfer in PV parks, supporting power rates from 500 kW to 1.3 MW, suitable for harsh environments.
  • AE PV HeatingSolution: Uses photovoltaic power to heat water with up to 99% efficiency, integrating into existing heating systems.
  • REFUconnect: Facilitates wireless communication among up to 2000 inverters, ensuring secure data transfer.
Networking and Monitoring Solutions
  • REFUconnect: A secure radio connection system supporting up to 2000 nodes with 128-bit encryption.
  • REFUsol Outdoor Ethernet-Switch: An unmanaged switch for networking multiple inverters, suitable for outdoor use.
  • AE StringCombiner: Concentrates and monitors multiple PV strings, providing error diagnostics and protection.
  • REFUpowercap: Enhances cooling for REFUsol inverters, allowing operation in higher ambient temperatures.
  • Temperature and Irradiation Sensor: Measures light intensity and temperature for PV system performance analysis.
  • AE GridProtect: Protects PV systems and power grids by monitoring voltage and frequency.
  • AE ParkControl: A system for feed-in management, optimizing network utilization.
Data Collection and Service Support
  • Specifications: REFUsol inverters include an integrated data logger for key operating parameters, with data accessible via the REFUlog portal.
  • Procedures: Installation is simplified through Plug & Play, supporting easy integration and data visualization.
  • Standards and Protocols: Uses IEC 60870-5-101/104 protocols, supporting multiple languages and TCP/IP for data transmission.
  • Recommendations: Routine servicing and maintenance are recommended to prevent downtime and ensure high yields.
  • Service and Support: Global support with service centers in key PV markets, offering rapid replacement and on-site servicing.
  • Training and Development: Offers seminars and training programs to educate customers on products and photovoltaics.
Conclusion
REFUsol emphasizes effective system design and monitoring to maximize energy yield and reduce costs, supported by a comprehensive service and support infrastructure for reliable operation and customer satisfaction worldwide.
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Catalog excerpts

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PHOTOVOLTAIC INVERTER PRODUCT LINE

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Content Photovoltaic inverter product line 2013 04 COMPANY STRING INVERTERS 10 STRING INVERTERS | SINGLE-PHASE AE 1TL 1.8 | 2.3 | 3.0 | 3.6 | 4.2 12 STRING INVERTERS| THREE-PHASE REFUsol 008K | 010K | 013K | 017K | 020K 14 STRING INVERTERS | THREE-PHASE REFUsol 020K - SCI 16 STRING INVERTERS | THREE-PHASE REFUsol 023K - 460 VAC CENTRAL INVERTERS 20 ENTRAL INVERTERS C REFUsol 333K 22 ENTRAL INVERTERS C REFUsol 500K | 630K 24 POWERBOX REFUspb 500K | 630K | 1.0M | 1.3M ACCESSORIES 28 PV THERMAL AE PV HeatingSolution 30 Radio module REFUconnect 32  SWITCH Outdoor Ethernet-Switch 34  GENERATOR CONNECTION...

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REFUsol COMPANY EFFICIENCY FROM EXPERIENCE REFUsol GmbH A pioneer in photovoltaics As a specialist in power electronics, REFUsol GmbH has been producing high-quality converters in Germany for more than 48 years. Since the beginning of 2013 REFUsol has been a part of the American company Advanced Energy Inc. Therefore Advanced Energy is one of the three most important manufacturers for photovoltaic inverters. As early as in 1997, REFUsol developed the first line-commutated photovoltaic inverter, based on these many years of experience. Today, our products can be found in solar power systems and...

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WHEN RESEARCH BECOMES TECHNOLOGY Contact point: REFUso/ or/figs modules, strings Reliability with impressive yields With sophisticated MPP tracking and outstanding partial Load efficiency, remarkably high yields can be achieved with any PV system - in high or low ieveis of sunlight. And because we focus on efficiency across the entire system, we have designed our components to be compact and resource-saving, and to deliver the exceptional reliability that customers can expect from our products. For us, sustainability also means harnessing an endless resource like sunlight efficiently. After all,...

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REFUsol STRING INVERTERS " EFUsol STRING R INVERTERS WITH ULTRAETA TOPOLOGY ARE BASED ON THE PRINCIPLES OF NATURE: THEY USE RESOURCES EFFICIENTLY AND ARE PERFECTLY ALIGNED. THIS STANDARD GUIDES US AS WE DEVELOP SYSTEMS THAT PROVIDE OUR CUSTOMERS WITH MAXIMUM YIELDS.” ® J. HANTSCHEL, TECHNOLOGY AND INNOVATION MANAGEMENT EXECUTIVE Bitterfeld Solar Park, equipped with inverters from REFUsol.

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REFUsol STRING INVERTERS | SINGLE-PHASE SINGLE-PHASE STRING INVERTERS AE 1TL 1.8 – 4.2 For use at home Basic module: The 1.8 – 4.2 kW inverter, like all members of the REFUsol family of inverters, offers high efficiency, quality and reliability. High output for small systems. With their low voltage ranges, the single-phase infeed string inverters in the performance classes 1.8 – 4.2 kW are particularly suitable for small systems or expanding large systems (for example in cases of shading). They comply with all requirements for IP65 protection – their housing provides reliable protection from...

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REFUsol STRING INVERTERS | THREE-PHASE THREE-PHASE STRING INVERTERS REFUsol 008K– 020K For medium-sized to megawatt installations Champion: Awarded top marks by the magazine Photon: REFUsol 008K– 020K. For the U.S. market we have developed a UL model (differs from the one pictured here). The three-phase string inverters in the 8.25 to 20 kW power classes are perfect for rooftop systems from 8 kW upwards, right through to megawatt parks. They comply with all requirements for IP65 protection – their housing provides reliable protection from dust and water, including high pressure washing. These...

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REFUsol STRING INVERTERS | THREE-PHASE THREE-PHASE STRING INVERTERS REFUsol 020K-SCI Breaking through thresholds Premium package: Special materials and optimized features for broad applications in the solar business: REFUsol 020K-SCI. The 008K– 020K three-phase inverters are the tried and tested partners of the photovoltaics sector. They deliver very high efficiency levels, run reliably and demonstrate their high technological maturity day after day. As experienced developers, however, we are always setting ourselves new goals. The threshold between high and maximum performance can only be crossed...

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REFUsol STRING INVERTERS | THREE-PHASE THREE-PHASE STRING INVERTERS REFUsol 023K- 460 VAC String inverters for medium voltage systems High performer: The new member of our inverter family: REFUsol 023K- 460 VAC. The transformerless REFUsol 023K string inverter with 460 VAC complements the product range between the 008K–020K string inverters with 400 VAC and the high-power REFUsol 333K central inverter with 690 VAC. With an output voltage of 460 V and a input voltage range from 575 to 850 V, the REFUsol 023K-460 VAC is the perfect choice for medium voltage applications in large-scale PV systems....

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REFUsol CENTRAL INVERTERS " ECAUSE PLANNERS B WHO THINK ON A LARGE-SCALE, APPLY OTHER BENCHMARKS, WE DEVELOP AND MANUFACTURE DEVICES AND SOLUTIONS THAT MORE THAN SURPASS THESE BENCHMARKS. WITH REFUsol YOU ARE INVESTING IN A FUTURE WITH IMPRESSIVE YIELDS." P. MAYER, PRODUCT MANAGEMENT Meuro Solar Park, equipped with inverters from REFUsol.

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REFUsol CENTRAL INVERTERS TECHNICAL DATA Item no. CENTRAL INVERTER For open field sites and factories REFUsol 333K is the high-efficiency central inverter for open field sites and industrial rooftops. Low system costs and an extremely high level of efficiency of over 98.4 % are just two of the many good reasons to use this model for large-scale projects. Operated together, just three of these devices provide one megawatt of power. Despite being developed for high power outputs, this inverter is elegantly reserved in terms of its weight and the space it needs. A weight of just 850 kg, spread throughout...

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REFUsol CENTRAL INVERTERS TECHNICAL DATA CENTRAL INVERTER DC data Recommended max. PV power, kWp MPPT range, V DC start voltage, V Max. DC voltage, V Max. DC current, A MPP tracker Power supply connection 3 x 315 VAC Utility scale – start where others give up When the electrical performance parameters reach ranges reserved for large-scale systems, nothing surpasses the REFUsol 500K– 630K inverters. Their use begins where others reach their limits. They combine nearly 50 years of experience in power electronics and switch cabinet design with current developments like the fast and precise MPP-Tracker...

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All Refusol catalogs and technical brochures

  1. REFUsol 100K

    6  Pages

  2. REFUpmu

    2  Pages

  3. REFUconnect

    2  Pages

  4. REFUgak

    2  Pages

  5. REFUlog

    2  Pages

  6. REFUsol_333K

    2  Pages

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.