13.07.2015 Views

Smart Inverter Controls and Microgrid Interoperation at DECC

Smart Inverter Controls and Microgrid Interoperation at DECC

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<strong>Microgrid</strong> Control Str<strong>at</strong>egiesExistingPP2maxP1maxP3maxQ (kVar)Q1maxQ3maxQ2max0Q2min09 0.9 1.01.11V(pu)Q3minf1 f2 fnorm f3 f4fQ1minDER P‐f Droop factorDER Q‐V Droop factor• Droop control with artificial droop curves• Different slopes to have different responses• Applicable to P‐f <strong>and</strong> Q‐V control• Steady‐st<strong>at</strong>e tt error• No communic<strong>at</strong>ion or central control required42December 200842

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