A phase-locked-loop design for the smooth operation of a hybrid microgrid
MetadataShow full item record
A microgrid contains both distributed generators (DGs) and loads and can be viewed by a controllable load by utilities. The DGs can be either inertial synchronous generators or non-inertial converter interfaced. Moreover, some of them can come online or go offline in plug and play fashion. The combination of these various types of operation makes the microgrid control a challenging task, especially when the microgrid operates in an autonomous mode. In this paper, a new phase locked loop (PLL) algorithm is proposed for smooth synchronization of plug and play DGs. A frequency droop for power sharing is used and a pseudo inertia has been introduced to non-inertial DGs in order to match their response with inertial DGs. The proposed strategy is validated through PSCAD simulation studies.
Showing items related by title, author, creator and subject.
Power sharing and stability enhancement of an autonomous microgrid with inertial and non-inertial DGs with DSTATCOMMajumder, R.; Ghosh, Arindam; Ledwich, G.; zare, F. (2009)This paper proposes a method of enhancing system stability with a distribution static compensator (DSTATCOM) in an autonomous microgrid with multiple distributed generators (DG). It is assumed that there are both inertial ...
Dewadasa, M.; Ghosh, Arindam; Ledwich, G. (2011)A microgrid may be supplied from inertial (rotating type) and non-inertial (converter-interfaced) distributed generators (DGs). However the dynamic response of these two types of DGs is different. Inertial DGs have a ...
Goyal, M.; Ghosh, Arindam; zare, F. (2013)A microgrid may contain a large number of distributed generators (DGs). These DGs can be either inertial or non-inertial, either dispatchable or non-dispatchable. Moreover, the DGs may operate in plug and play fashion. ...