
The Kriegers Flak Combined Grid Solution, a of offshore wind farms into the power grids of two different countries will be the first of its kind. This has the advantage that up to the capacity of the connection the produced power can be transmitted to the country with the highest demand and price, improving the economy of the wind farms. Secondly, the connection between Denmark and Germany can act as an interconnector, so power can be transmitted fro. [pdf]
The Kriegers Flak - Combined Grid Solution is the world’s first hybrid interconnector/OWP system.
As part of the Combined Grid Solution project, Kriegers Flak is interconnected with the German wind farm Baltic II, which is located less than 30 kilometers southeast of Kriegers Flak. This allows for fossil-free energy to be shared between Denmark and Germany.
Kriegers Flak will take advantage of this and be connected both to the Danish grid as well as to the 288 MW ″EnBW Baltic 2″ which is connected via the 48 MW ″EnBW Baltic 1″ to the German grid.
The wind farm is serviced out of Vattenfall’s service facility at the Port of Klintholm on Møn, approximately 100 kilometres south of Copenhagen. With Kriegers Flak a milestone for a fossil-free energy has been accomplished. For the first time ever, an offshore power grid connects wind farms located in two different countries.
The extension of one of the two Kriegers Flak substation platforms at sea was required for the interconnector project CGS. The cables from all the wind turbines in the wind farm are connected in the transformer station at the transformer platforms. The voltage is transformed from 33 to 150 or 220 kilovolts (kV) for efficient further transport.
Kriegers Flak is located in the Baltic Sea, 15-40 kilometres off the Danish coast. "Flak" means reef, and this one is named after the Danish naval officer Christian Krieger, who in 1840 mapped the Baltic Sea. The offshore wind farm covers the annual energy consumption of approximately 600,000 households.

PV Inverter systems require DC/DC boost converters, as part of the Maximum PowerPoint Tracker (MPPT), to adjust the PV panel output voltage to the required DC-link voltage level. This is then input into DC/AC converters which deliver the solar energy to the public grid. Various topologies can be used for the. . Two-level and three-level symmetric boosters are commonly used in the input stage of the inverter, and three-level flying capacitor boosters are starting to be used in the latest systems.. . Many different inverter topologies have been proposed in the past. NPC and ANPC are widely used in 1500V multistring inverters. Mixed voltage NPC (MNPC) is still used in residential and commercial 1000 V. . The performance and cost comparisons clearly show that the flying capacitor topology, in both booster and inverter, provide significant. [pdf]

Solar energy is a clean, reliable, and ideal source of renewable energy. It can be used to heat the water in your home or produce electricity, all without creating emissions or pollution. In simple terms, solar panels absorb sunlight and convert it into electricity that can be used to power your home. However, it’s actually. . In most cases, solar panel systems for domestic or small business use are placed on the roof although some can be ground mounted. Ideally, the rooftop location will be free from any shade. . MCS certification is an internationally recognised quality and safety scheme for small-scale renewable energy technologies. It provides consumer protection for. . Solar optimisers are devices used to maximise the energy output of a Solar Photovoltaic system. They are the Module Level Power Electronics (MLPE) that can be added to a solar panel. . An inverter is a crucial part of a solar power system as its job is to convert the direct current (DC) electricity generated by your solar panels into 120. [pdf]
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