![]() ![]() These units will normally take their power from a leisure battery (or bank of batteries) and then send the output power direct to a load (ie: fridge, lights etc). The created voltage is stable and does not change, meaning it is not suitable for charging but ideal for running DC-powered equipment. Think of them as a mains battery charger, but they're powered by a DC source instead of an AC source.Ī DC-DC Converter will take a DC voltage on its input and modify it to produce a higher or lower DC voltage on its output, for example, 24V to 12V. These chargers can be programmed to charge various battery types and are often highly configurable. A DC-DC Charger will sit between your starter battery and leisure battery and will take power from your alternator to charge your leisure battery whilst the engine is running. Both work in similar ways by taking a DC voltage and changing it, however, how they change it and the applications they're used for are very different.Ī DC-DC Charger is a sophisticated, multi-stage charging solution that can provide a charging voltage that will vary based on your battery's requirement. This makes Femtogrid the safest system.Today we quickly explain the differences between a DC-DC Charger and a DC-DC Converter & help you make sure that you pick the right one for your needs. The extra third wire gives Femtogrid the edge to control every single module in the system, as the hot wire is switched off by the safety wire. Easy Installingįemtogrid DC cables have 3 wires: hot (red), cold (blue) and safety (black), whilst standard solar DC cables used by traditional solar have 2 wires: plus (red) and minus (blue). The parallel architecture is plug & play: the solar panel is connected to the power optimizer, which connects the solar panel in parallel to the inverter. Parallel power optimizers ensure the parallel architecture and are used as an add-on by the installer to each solar panel. In contrast to traditional solar Femtogrid uses a parallel instead of a serial architecture for solar panels. This gateway sends the data either via GSM or Ethernet to the remote Femtogrid monitoring server, which displays the data in a user-friendly format for full visibility. The data of all Femtogrid Power Optimizers and Femtogrid Inverters is transmitted wirelessly via ZigBee to the Femtogrid Monitoring gateway. In addition, the Femtogrid Inverter also continuously measures and communicates the (AC) power and energy generated by all modules together. All Femtogrid Power Optimizers continuously measure and communicate a range of module characteristics such as the (DC) power and energy generated, temperature and voltage per module. ![]() A web-based portal for module level monitoring and problem-free service.A robust inverter, which performs DC to AC inversion, and.Safe, reliable and plug & play DC cables,.Solar Power Optimizers (DC/DC converters), which perform Maximum Power Point Tracking (MPPT) and voltage management per module,.The unique and patented parallel Femtogrid architecture builds on 4 mutual reinforcing smart components: It is a 3-wire, 350Vdc,380Vdc or 700Vdc, isolated, bi-directional, self-stabilizing, decentralized network designed to distribute DC power and data.Ī patented safety wire concept keeps the user free of: Parrallel Structure Module Solar DC/DC Micro converterįemtogrid and Direct Current DC² is a smart DC grid. Solves the negative system impact of temperature variance. ![]()
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