IQ7/IQ7+/IQ7X/IQ7A Microinverters Installation and Operation Manual
11 © 2023 Enphase Energy Inc. All rights reserved. September 2023
IOM-00028-1.0
1.1 How the Enphase IQ Series Microinverters work
The Enphase microinverter maximizes energy production using a sophisticated maximum power point
tracking (MPPT) algorithm. Each Enphase microinverter individually connects to one PV module in
your array. This configuration enables an individual MPPT to control each PV module, ensuring that the
maximum power available from each PV module is exported to the utility grid regardless of the
performance of the other PV modules in the array. While an individual PV module in the array may be
affected by shading, soiling, orientation, or PV module mismatch, each Enphase microinverter ensures
top performance for its associated PV module.
System monitoring
Once you install the IQ Gateway and provide an internet connection through a broadband router or
modem, the Enphase IQ Microinverters automatically begin reporting to the Enphase App. The
Enphase App presents current and historical system performance trends and PV system status.
Optimal reliability
Microinverter systems are inherently more reliable than traditional inverters. The distributed nature of
a microinverter system ensures no single point of system failure in the PV system. Enphase
microinverters are designed to operate at full power at ambient temperatures as high as 65°C (150°F).
Ease of design
PV systems using Enphase microinverters are very simple to design and install. You will not need string
calculations or cumbersome traditional inverters. You can install individual PV modules in any
combination of PV module quantity, type, age, and orientation. Each microinverter quickly mounts on
the PV racking beneath each PV module. Low-voltage DC wires connect from the PV module directly
to the co-located microinverter, eliminating the risk of personnel exposure to dangerously high DC
voltage.
Enphase IQ
Gateway
Enphase
App
Enphase IQ
Battery
Enphase IQ
Cable
Enphase IQ
Microinverter
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