SolarEdge StorEdge SE7600A-USS Single-Phase Inverter

SolarEdge StorEdge SE7600A-USS Inverter Review

High-power SolarEdge residential grid-tie inverters offer flexible design, high efficiency, small size, easy installation, and superior safety.

The Complete StorEdge Inverter System:

StorEdge Inverter

The StorEdge inverter is a single inverter for solar PV powered grid-tie applications that also manages DC battery backup storage power. It includes the hardware required to provide automatic backup power to backed-up loads in case of grid interruption. The SolarEdge also includes all of the interfaces needed for DC battery connection.

Tesla Home Battery Powerwall

The Tesla Powerwall is designed for solar power backup and grid-tied solar systems. It is a high-voltage, high efficiency DC coupled battery that requires no maintenance. Powerwall's lithium ion battery inherits Tesla's proven automotive battery technology to power your home safely and economically. The StorEdge system makes Powerwall power storage and backup power switching completely automated. Up to 2 Powerwalls of 7 kWh or 10 kWh each may be used with each StorEdge System.

SolarEdge Electricity Meter

The SolarEdge meter is used for battery integration and for production / consumption readings for Feed-in Limitation.

Auto-Transformer

This separate switching transformer connects to StorEdge™ Inverter to quickly and automatically enable battery backup power.

Power Optimizers

The SolarEdge power optimizer is connected by installers to each module, replacing the traditional solar junction box. The optimizers are designed be as reliable as the solar panels that they are mounted to. Power Optimizers are based on the SolarEdge reliability strategy, 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. Read more about SolarEdge Power Optimizers.

Reliable, Safe & Efficient Power

Increased energy yield compared to the traditional inverter system:

 
Complete SolarEdge StorEdge Tesla Powerwall Battery backup grid-tied solar systems at wholesale pricing.
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• 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

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.

 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.