US 12,451,723 B2
Power distribution control
Jorge Elizondo Martinez, Somerville, MA (US)
Assigned to Discovery Energy, LLC, Kohler, WI (US)
Filed by Heila Technologies, Inc., Somerville, MA (US)
Filed on Sep. 16, 2022, as Appl. No. 17/947,024.
Claims priority of provisional application 63/244,792, filed on Sep. 16, 2021.
Prior Publication US 2023/0077967 A1, Mar. 16, 2023
Int. Cl. H02J 13/00 (2006.01); G05B 19/042 (2006.01); H02J 3/32 (2006.01); H02J 3/38 (2006.01); H02M 1/42 (2007.01)
CPC H02J 13/00002 (2020.01) [G05B 19/042 (2013.01); H02J 3/381 (2013.01); H02M 1/42 (2013.01); G05B 2219/2639 (2013.01); H02J 3/32 (2013.01); H02J 2300/22 (2020.01); H02J 2300/28 (2020.01); H02J 2300/30 (2020.01)] 15 Claims
OG exemplary drawing
 
1. A method for operating a microgrid, comprising:
determining, with a first distributed energy resource (DER) controller, an output power value of a first DER;
determining a local power correction value as a function of the output power value and a previous local output power reference value;
transmitting the local power correction value to a second DER controller of a second DER;
receiving, with the first DER controller, a remote power correction value from the second DER controller;
determining, with the first DER controller, a local output power reference value as a function of the output power value and the remote power correction value;
determining, with the second DER controller, a second local output power reference value as a function of an output power of the second DER and the local power correction value from the first DER controller;
determining, with the first DER controller, a first frequency set point as a function of the local output power reference value and a droop coefficient;
determining, with the second DER controller, a second frequency set point as a function of the second local output power reference value and a second droop coefficient;
adjusting, with the first DER controller, a first output frequency of the first DER as a function of the first frequency set point;
adjusting, with the second DER controller, a second output frequency for the second DER as a function of the second frequency set point; and
operating, with the second DER controller, the second DER of the microgrid using the second output frequency while operating, with the first DER controller, the first DER of the microgrid using the first output frequency.