Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SYSTEM AND METHOD FOR STABILIZING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/216006
Kind Code:
A1
Abstract:
The present invention is provided with: a system accident calculation unit for analyzing a credible accident in an electric power system including a renewable energy device on the basis of information that indicates the state of the electric power system; a control command unit for generating a control command on the basis of analysis results from the system accident calculation unit; and a renewable energy control unit for controlling the renewable energy device on the basis of the control command generated by the control command unit, wherein the system accident calculation unit expresses the renewable energy device among elements included in the electric power system as a three-phase instantaneous value model, expresses elements other than the renewable energy device among the elements included in the electric power system as the three-phase instantaneous value model and an effective value model, and uses the three-phase instantaneous value model and the effective value model to analyze the credible accident.

Inventors:
KOKAI, Yutaka (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
TSUBOTA, Akira (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
KINOSHITA, Yoshihito (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
Application Number:
JP2019/007964
Publication Date:
November 14, 2019
Filing Date:
February 28, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HITACHI, LTD. (6-6 Marunouchi 1-chome, Chiyoda-ku Tokyo, 80, 〒1008280, JP)
International Classes:
H02J3/24; H02J3/00; H02J3/38
Attorney, Agent or Firm:
SUNNEXT INTERNATIONAL PATENT OFFICE (Seafort Square Center Building, 16F 2-3-12, Higashishinagawa, Shinagawa-k, Tokyo 02, 〒1400002, JP)
Download PDF: