SolarEdge SE33.3KUS 3-Phase Inverter 277/408 VAC

13, May. 2024

 

SolarEdge SE33.3KUS 3-Phase Inverter 277/408 VAC

SolarEdge SE33.3KUS 33.3 KW Inverter Review

SolarEdge grid-tie inverter systems tackle all of the challenges encountered with commercial solar PV system inverters.

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Increased energy yield compared to the traditional inverter system:

  • SolarEdge inverters allow for more solar energy harvest due to module-level MPPT
    No power loss due to module mismatch due to power optimization per module
  • Constraint free design allows for utilization of more roof area
  • Easy and cost efficient maintenance for increased up-time of your PV system

SolarEdge Power Optimizer

The SolarEdge power optimizer is connected by installers to each module or embedded by module manufacturers, replacing the traditional solar junction box. Therefore, it must be as reliable as the module itself with the ability to withstand the same environmental conditions to which the module is exposed.

The essence of the SolarEdge reliability strategy is a physics-based multi-level method of failure point identification. Providing a warranty for a proven 25 year system operational lifetime was enabled through a combination of reliability-oriented design rules. With a selection of top-tier suppliers and acceptance testing of their components, which were manufactured in well-controlled environments, accelerated lifetime testing of the system (and its components) was conducted up to the wear-out point in order to determine when the product will fail, at what rate and by which failure mechanisms.

Safety:

  • During Installation: safe string voltage until inverter & AC supply are turned on
  • Maintenance: safe string voltage with an automatic DC shutdown once inverter is turned off
  • Emergency: safe string voltage with an automatic DC shutdown after grid disconnection or in reaction to high temperature
    Electrocution and fire risks are eliminated with safe voltages during installation, maintenance and firefighting

Peace of mind:

  • Ability to monitor the PV system anytime, anywhere in order to guarantee optimal operation
  • Module level, real-time alerts of system issues pinpointed on a virtual map

Increased energy yield:

  • More energy due to module-level MPPT
  • Mismatch power losses eliminated
  • Shade tolerance assures maximum power harvest under trees and other obstructions
  • Easy and cost efficient maintenance for increased up-time of your PV system

SolarEdge's Multi-Level Reliability:

The SolarEdge multi-level reliability plan involves Design Analysis & Qualification by in-house and external experts, sub-system testing by Accelerated Life Testing (ALT) of critical components, and integrative testing of design prototypes (via HALT) and large sample groups.

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 As part of these efforts, tens of thousands of components have been evaluated in accelerated life chambers (burn-in, thermal cycling, humidity and so forth) as well as hundreds of products in field tests and stress tests. These tests have run for the equivalent of over 100 years (well over the expected life of photovoltaic systems). The lessons learned are invaluable and as a result, SolarEdge produces systems with unsurpassed reliability.

In order to verify that each SolarEdge product that leaves manufacturing plants conforms to our high reliability and quality standards, each component, sub-assembly, and final product are tested multiple times during production. These tests include: Automatic Optical Inspection, In-Circuit Testing, Board- and Component-Level Functional Testing, Safety Testing and Integrative Stress Testing. These rigorous screening and testing procedures, which are completed for 100% of the products we make, enable us to guarantee that SolarEdge products work as expected for the entire product lifetime.

A key element of SolarEdge's reliability strategy – and a significant differentiator relative to its competitors – is use of proprietary application specific ICs (ASIC) in its products. The best way to improve the reliability of electrical circuits is to reduce the number of components in it – this is done in SolarEdge products by replacing a large number of discrete components with a single ASIC designed specifically for the task at hand. The ASIC itself is manufactured according to proprietary design rules specifically defined to allow for the long 25 year lifetime of the ASICs. Extensive analysis and testing has been done to assure the ASIC packaging is robust enough to handle the mechanical and electro-chemical stresses experienced over 25 years of daily thermal inverter cycling.

Read more about SolarEdge Inverters.

Contact us for wholesale pricing, solar module system design or reviews for the SolarEdge SE33.3KUS Inverter.

Solis S6-GC50K-US-RSS Three Phase Series String ...

Solis S6-GC50K-US-RSS Three Phase Inverter

This Inverter can only ship via freight truck. If you have any questions about shipping methods, please email us or call us at 800 383-0195.

We offer a wholesale program for qualifying installers and retailers. If you would like to apply, please see our partner program page for details.

The Solis S6-GC(25-60)K-US series inverters represent the pinnacle of solar inverter technology, designed for commercial and utility-scale solar projects. These high-capacity, three-phase inverters are engineered to deliver maximum efficiency and reliability for large-scale solar installations. With advanced grid support capabilities and a wide range of input voltages, the S6-GC series ensures optimal performance under various conditions, making solar installations more productive and profitable.

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Features:

  • Versatile Application: Suitable for a wide range of commercial and utility-scale solar projects.
  • Intelligent Monitoring: Advanced monitoring capabilities allow for real-time tracking of system performance and quick troubleshooting.
  • Grid Support: Equipped with features such as reactive power control and grid support functions to maintain grid stability and compliance with local grid codes.
  • Durability: Designed to withstand harsh environmental conditions, ensuring long-term reliability and performance.

Technical Features:

  • Rated Power Output: Ranges from 25kW to 60kW, catering to a wide variety of commercial solar projects.
  • Phase: Three-phase, ensuring compatibility with commercial and utility grid infrastructure.
  • Efficiency: High conversion efficiency, typically above 98%, maximizing solar energy utilization.
  • MPPT Voltage Range: Wide MPPT voltage range, accommodating various solar panel configurations and maximizing energy harvest.
  • Protection Features: Comprehensive protection mechanisms, including over-voltage, under-voltage, short circuit, and over temperature protections, ensuring system safety and longevity.
  • Communication: Equipped with multiple communication options (such as WiFi, Ethernet, RS485) for seamless integration with monitoring platforms and easy management of solar assets.
  • Compliance: Fully compliant with US standards, including UL1741 and IEEE 1547, ensuring safe and reliable operation in the United States.

Technical Specifications:

  • Max. input voltage: 1000V
  • Start-up voltage: 180V
  • MPPT number: 4
  • Max. input strings number: 8
  • Rated output power: 50 kW
  • Rated grid frequency: 60 Hz
  • Max. output current: 66.2 A
  • Max. efficiency: 98.8%
  • Dimensions: 30.9in x 21.6in x 12.6 in
  • Weight(inverter/wiring box): 108.7 lbs (49.3 kgs)