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Title:
ELECTRIC POWER CONTROL SYSTEM, AND CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/025307
Kind Code:
A1
Abstract:
An electric power control system (1000), provided with: a first AC/DC converter (5A); a second AC/DC converter (5B); a first switch (sw1) connected between the first AC/DC converter and a first power transmission line (2A) of a first electric power system (1A) having a first system frequency; a second switch (sw2) connected between the first power transmission line and the second AC/DC converter; a third switch (sw3) connected between the first AC/DC converter and a second power transmission line (2B) of a second electric power system (1B) having a second system frequency; a fourth switch (sw4) connected between the second power transmission line and the second AC/DC converter; a fifth switch (sw5) connected between the first AC/DC converter and the second AC/DC converter; and a control device (10). When the first and second AC/DC converters are to be operated as back-to-back (BTB) AC/DC converters, the control device controls at least the fifth switch so as to be in a closed state, and when the first and second AC/DC converters are to be operated as reactive power compensation devices, the control device controls at least the fifth switch so as to be in an open state.

Inventors:
FUJISAWA, Takayuki (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
ISHIDA, Keisuke (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2016/072510
Publication Date:
February 08, 2018
Filing Date:
August 01, 2016
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
H02M5/27; H02J3/34; H02J3/36; H02M7/48
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (Nakanoshima Central Tower, 2-7 Nakanoshima 2-chome, Kita-ku, Osaka-sh, Osaka 05, 〒5300005, JP)
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