conventional droop method have a trade off between current sharing and output bus voltage, Distributed secondary control is devised for mitigation of voltage deviation. when distributed secondary control applied to converter of each DG, each should have the state information of other. how these DG converter can be interacted in DC microgrid to ensure the operation of distributive secondary control
dear Arshad Nawaz
The local control is classified into three methods depends on the communication between units which needs to be made available in order to achieve the coordinated control.These method are : decentralized, centralized, and distributed control. Decentralized control.
Decentralized is mainly based on droop coordinate control method.
Distributed control indicates the control principle where central control unit does not exist. and the interaction between the units can be obtained by exchange the information between them using protocol so called-a consensus algorithm.
see the following link..
DC Microgrids—Part I: A Review of Control Strategies and Stabilization Techniques
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http://ieeexplore.ieee.org/search/searchresult.jsp?queryText=DC%20Microgrids%E2%80%94Part%20I:%20A%20Review%20of%20Control%20Strategies%20and%20Stabilization%20Techniques&newsearch=true
Dear Mustafa Alrayah Hassan Ibraheem
Thanks for your detailed reply. that will do
Regards
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