Energies 2015, 8(7), 7100-7121; doi:10.3390/en8077100 Article Improved Adaptive Droop Control Design for Optimal Power Sharing in VSC-MTDC Integrating Wind Farms Xiaohong Ran ,  Shihong Miao *  and   Yingjie Wu + Authors’ affiliation  Received: 28 April 2015 / Revised: 24 June 2015 / Accepted: 7 July 2015 / Published: 14 July 2015 (This article belongs to the Special Issue Electrical Power and […]