Upgraded QS1 Microinverter with ZigBee functionality : a genuine game-changer !

APsystems recently expanded the QS1 microinverter with an integrated antenna. The QS1 is a micro-inverter that can connect up to 4 solar panels. Designed for high performance panels with 4 independent MPPTs, the QS1 is the ideal choice when 4 solar panel are connected to one microinverter. Thanks to the integrated antenna, installation is now even faster and easier. With this, the QS1 also has standard Zigbee functionality built in.

Zigbee functionality

APsystems microinverters are communicating via Zigbee communication protocol, which ensures (just like for example Wifi and Bluetooth) that they are in contact with each other and can always communicate. Zigbee is a “mesh” network which means that every device with this functionality is connected by using sensors.

Because the devices are mutually connected, the range is increased and they can take over each other’s communication function. They create their own network of communication. This way communication can still take place in the event of a device failure. If an inverter does not connect or fails due to unpredictable reason, contact can still be made from another (Zigbee) device. In a mesh network, everything works together at a distance of 10 to 20 meters, whereby the range depends on signal strength, interference or interference with the signal, such as through walls or electricity. The Zigbee protocol uses the same encryption as banks, 128 bit symmetrical, and is secure.

Maximum power: MPPT

The power that a solar panel can deliver will change every hour of the day due to the light intensity, shade, but also due to the temperature. The MPPT functionality (Maximum Power Point Tracker), will allow the solar panel to perform optimally (and not maximally) and look for the greatest possible power. The inverter will determine the output voltage of the solar panel to achieve the best and correct power output. The MPPT is therefore not a fixed value due to variation in weather, light intensity and temperature. A solar panel will generally not deliver the maximum when the sun shines strongly. APsystems microinverters ensure maximum yield per solar panel. Each solar panel connected to a micro-inverter has separate MPPT (Maximum Peak Power Tracking) control, which supplies the maximum amount of power to the electricity grid, regardless of the performance of the other panels in the setup.

Module-level monitoring

The QS1 micro-inverter in combination with an ECU-R or ECU-C  gateway and the APsystems EMA application (Energy Monitoring and Analysis software) offers you extensive monitoring of your solar panel system through a user-friendly application. The software analyzes and reports the performance of every panel in your solar system. You can view this data using your computer, tablet or mobile. In contrast to many conventional “string” systems, the APsystems EMA offers you control of every individual solar panel and micro-inverter in your solar system and optimization of performance over the lifetime.

The APsystems ECU gateway continuously detects the micro-inverters and solar panels that cause any malfunctions and are connected to your solar panel system. The ECU can also be used to reconfigure and remotely diagnose your system. The web server integrated into the APsystems ECU offers you a clear overview of the performance of your PV system in a few seconds.

Ask your distributor about the possibilities and availability of the QS1 microinverter.