Our energy management system enables simple AC connection to almost any household grid. This is because the Wattster turns an existing cable into an AC cable for feeding in the PV power. Plus: The bridge also eliminates the RS485 cable from the inverter to the meter.
In combination with a wireless data connection to the meter, the SIMPLUG feed-in technology developed by Wattando ensures that the maximum permissible current carrying capacity of the feed-in line is not exceeded at any time with Wattster.
The required data from the domestic grid comes via a secure wireless connection from a non-invasive measuring sensor on the main distribution board. The system is optimized with a second sensor on the line into which the power is fed.
Wattster uses this information to control the inverter via the RS485 interface. The feed-in is carried out in accordance with the regulatory requirements and the local parameters of the electrical installation. This enables national specifications for zero feed-in such as customer-specific models of net metering and - if a battery is connected - peak shaving.
As a central control unit, Wattster regulates and monitors the feed-in to the existing domestic grid and thus enables a simplified AC connection. This includes pluggable integration via feed-in plugs (CEE, Wieland, etc.) and also offers the full power range of classic PV systems with the non-invasive connection.
At product launch, Wattster is compatible with HUAWEI's residential portfolio of inverters. This means high flexibility for single-phase and three-phase systems, with and without battery.
The self-developed bridge is a radio-based energy monitoring solution. Attached to the main distribution board and/or sub-distribution board, the bridge continuously records the power situation in the house network - and sends it encrypted to the Wattster via long-range LoRa radio (433MHz).
The bridge supports different sensor types for reading out the current data: either analog or digital. This makes it possible to react very flexibly to the specific situation at the house installation.
To ensure that you remain flexible at the customer's site, we offer numerous monitoring solutions with our Smart Senses for recording on the house network. These range from analog current clamps to digital electricity meters for the DIN rail. A special feature is our pluggable solution (Smart Sense+ 1 or 3/S). You can install these directly on the circuit breaker or between the supply terminal and the main fuse.
Up to 7 kW Wieland or comparable feed-in sockets (in Germany single-phase feed-in limited to max. 4.6 kW), for higher powers: CEE plug connections
Set PV modules, inverters, Wattster and selected measurement sensors incl. bridge at the main distribution and/or at the sub-distribution.
Specification of the system: installed components, meter type, control profiles, fuse rating and other local parameters of the electrical installation.
When the inverter is switched on, the system is in operating mode and can feed electricity into the domestic grid
For the solar system on the garden shed, on the carport or on the roof, an existing household socket is replaced by a feed-in socket. For a specialist, this is a matter of five minutes. Apart from the non-invasive installation of measuring sensors on the phase(s), there is no need for any further intervention in the electrical installation.
As soon as a three-phase power connection (CEE plug) is available or planned, Wattster enables the pluggable integration of solar systems from 3 kW Watt to 11 kW. For outputs above 11 kW, there will be the Wattster 3XL solution. Interesting for private households as well as for commercial properties.
The Wattster Pro app guides you through the commissioning of the system and inverter in clear, comprehensible steps:
Wattster Home offers your customers a compact overview:
A special highlight: The Wattster app works on all end devices with WLAN. Even as an application directly in the browser or completely offline: A ready-to-plug-in system with the WATTSTER Box can always be put into operation.
