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Intersolar 2015

Energy storage solution

Delta will present energy storage solutions and solar inverters at the Intersolar 2015. One of the storage systems comes with a CAN interface.

(Photo: Delta)

DELTA, A PROVIDER OF POWER AND THERMAL MANAGEMENT SOLUTIONS, expands its product range to include additional energy storage solutions and inverters that meet the expanding needs of solar customers in Europe. The products allow customers to benefit from solar energy even after the sun goes down. With electricity prices rising, the storage and self-consumption of energy generated by PV systems can help customers use all the solar energy they produce, thus leading to greater energy independence and reduced utility bills.

Delta introduces two energy storage systems: the DC-coupled 7,4 kWh system known as the Hybrid E5 and the AC-coupled 3,7 kWh system known as Flex E3. Flex E3 communicates via CAN. Further expanding its high-efficiency solar inverter line, the company also presents two inverters in the RPI series – the M30A three-phase commercial inverter with 30 kVA output and the H3 single-phase residential inverter with 3 kVA output.

The Flex E3 is an AC-coupled energy storage system, meaning it is installed directly on the AC line, making it suitable for installation with pre-existing as well as new PV systems. It is compatible with other renewable energy sources such as small wind energy turbines. The unit consists of one compact cabinet designed to be wall mountable or floor standing with all needed equipment and software for operation included. It is available with a variety of system architectures with a single system offering storage capacity from 2,9 kWh to 3,7 kWh or with three systems in parallel offering up to 11 kWh depending on the selection of lead-acid or Li-ion batteries.

The Flex E3 can be used in several different intelligent modes. Self-consumption maximizer mode is ideal for users who want to optimize energy consumption from their Flex E3 battery and PV system to avoid purchasing costly grid electricity. Schedule mode allows the system to load and discharge its battery at fixed times to ensure the lowest overall energy price in countries where electricity rates fluctuate during the day.

The system also features remote monitoring and management through its communication capabilities that support Ethernet, EIA-485, and CAN interfaces. The system has built-in customized energy management modes for different customer requirements.

The Intersolar 2015 takes place in Munich, June 10 to 12. The Flex E3 energy storage system will be available starting in Q4 2015.

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