The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 18, 2012
Filed:
Jan. 25, 2010
Sung-woo Lee, Daejeon, KR;
Bok-nam Ha, Daejeon, KR;
Chang-hoon Shin, Daejeon, KR;
Min-ho Park, Daejeon, KR;
So-young Park, Daejeon, KR;
Sung-Woo Lee, Daejeon, KR;
Bok-Nam Ha, Daejeon, KR;
Chang-Hoon Shin, Daejeon, KR;
Min-Ho Park, Daejeon, KR;
So-Young Park, Daejeon, KR;
Korea Electric Power Corporation, Gangnam-gu, KR;
Abstract
Provided are a novel distribution automation system and its voltage control method, which can supply a stable voltage to a user by properly adjusting the settings of a control device so as to compensate for reactive power at each load terminal. The voltage control method includes: a first step of modeling a distribution system in the form of a distribution load based on constants of four terminals according to the connection type of each node and a distribution line, which constitute the distribution system; a second step of determining a formula for estimating the magnitude of a voltage at a node from a current value of an adjacent node; a third step of determining an objective function including the magnitude of the voltage, calculated through the formula determined in the second step, and a control variable for controlling the magnitude of the voltage; and a fourth step of calculating a value of the control variable to allow the determined objective function to have a minimum value and applying the calculated value to each voltage control device provided in the distribution system.