電気鉄道用電圧変動補償装置の制御装置及び制御方法

Title:

電気鉄道用電圧変動補償装置の制御装置及び制御方法

Document Type and Number:

Japanese Patent JP5289178

Kind Code:

B2

Abstract:

To provide a control device and a control method for a voltage fluctuation compensation device for an electric railway improving three-phase imbalance at a three-phase power source side.

Invalid electric power compensation action of a T-seat inverter 7 is controlled by a second inverter invalid electric power control means comprising a T-seat side invalid electric power compensation calculation means 12 and a T-seat inverter gate control means 14 as follows. Namely, difference of invalid electric power Qm of a load detection means 9 and compensation invalid electric power QRm is obtained, and in the case of "Qm-QRm>0", the T-seat inverter 7 is controlled so as to output compensation invalid electric power QRt (value closest to (Qm-QRm)) becoming the opposite of the phase of the compensation invalid electric power QRm outputted from an M-seat inverter 6 based on the difference (Qm-QRm). Whereas, in the case of "Qm-QRm≤0", the T-seat inverter 7 is controlled so as not to perform invalid electric power compensation action.

Inventors:

Shuichi Nagato

Application Number:

JP2009117334A

Publication Date:

September 11, 2013

Filing Date:

May 14, 2009

Export Citation:

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Assignee:

Mitsubishi Electric Corporation

International Classes:

B60M3/02; H02J3/16; H02J3/18

Domestic Patent References:

JP9023657A
JP2006311722A
JP9163607A

Attorney, Agent or Firm:

Yoshitake Hidetoshi
Takahiro Arita

Previous Patent: JPS5289177

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