The MY-PV AC ELWA-E Solar PV Off-Grid Water Heater – An ingeniously simple solution. Smart-Homes and photovoltaic storage systems are all the rage. Hardly anyone thinks about the fact that typical PV-systems produce far more energy a day than can be consumed in the house. That means that the battery is fully loaded and that excess-power goes to the grid afterwards.
This is exactly the starting-point for the AC ELWA-E: It communicates with the energy-management system of the building or the battery-management-system. As far as excess energy is detected respectively the management-system clears the AC ELWA-E, energy is stored in hot-water. In this way we can easily add 10 – 20 kWh of extra storage capacity.
In a simple web-interface the installed battery respectively the energy-management-system can be selected. The desired water-temperature can be adjusted with a knob.
The main features of the MY-PV AC ELWA-E Solar PV Off-Grid Water Heater
- AC ELWA-E uses energy that cannot be stored in the battery
- Linear power control 0 – 3.000W for maximum self-consumption
- The AC ELWA-E communicates via ethernet with the BMS
- Sinusoidal current consumption (no thyristor), grid compliant
- Hot-Water securing (Boost-Backup) included
- Suitable for the following battery and energy-management-systems
AC ELWA-E control via Modbus Meter Interface
In case that the installation of the battery or the management-systems should happen at a later stage, but the activation of the AC ELWA-E has already to be made, my-PV has developed an appropriate transitionsolution. The Modbus Meter Interface is a link between the AC ELWA-E and the electricity-meter EASTRON SDM630 Modbus. The electricity-meter detects the amount of the excess energy.
- MYPV is a young Austrian company and is specialized on “Hot water and space heating from photovoltaics”. Since its foundation in 2011 as a distributor for PV components, the company have intensively dealt with innovations in storage technology. Two funded research projects in this area led to the development of the ELWA, where they used hot-water as a storage medium for solar power.With this innovation my-PV was transformed into a development and production company in Neuzeug / Upper Austria. The long experience of the entrepreneurs gives them the security to create promising and high-quality products. Products of the ELWA series are now installed in 20 countries and surprises again and again with its distinctive simplicity and efficiency. With the latest innovation, the AC•THOR (see www.ac-thor.com), the company is currently going one step further. Join our ZERO Home Bills Community. BEST Products from the BEST Brands at the BEST Prices for ZERO Home Bills on ZEROhomebills.com by Solaranna.
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