19 DER Technical Requirements for Interconnection in Germany
19 DER Technical Requirements for Interconnection in Germany
19 DER Technical Requirements for Interconnection in Germany
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Overview | Exist<strong>in</strong>g requirements <strong>in</strong> <strong>Germany</strong> | Upcom<strong>in</strong>g codes on the European level | Summary<br />
Exist<strong>in</strong>g requirements <strong>in</strong> <strong>Germany</strong><br />
BDEW <strong>Technical</strong> Guidel<strong>in</strong>e Generat<strong>in</strong>g Plants Connected to the Medium-Voltage Network<br />
requirements:<br />
> generation control – i.e. power curtailment on demand<br />
> frequency control – by reduc<strong>in</strong>g active power <strong>in</strong> the event of over frequency<br />
> voltage control – by use reactive power<br />
> dynamic grid support – with the option to provide reactive current to dim<strong>in</strong>ish voltage dips<br />
(AKA: “fault ride through” (FRT) / “low voltage ride through” (LVRT) / “zero power mode”)<br />
> certification of<br />
SMA Solar Technology AG<br />
> “units” (e.g. PV <strong>in</strong>verters) based on type test<strong>in</strong>g and<br />
> plants (as a comb<strong>in</strong>ation of one or more “units” and further equipment i.e. trans<strong>for</strong>mers,<br />
cables, etc.) based on simulation<br />
Knopf/Rogalla, April 12, 2012, EPRI/PJM/NREL workshop, PJM <strong>Interconnection</strong>, Norristown, PA<br />
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