Transformer-less Series Voltage Sag Compensator Without Energy Storage Capacitor for Three-phase three-line Systems

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概要

• 論文の詳細を見る

• A novel scheme of transformer-less series voltage sag compensator is proposed. The sagged voltages are compensated by half bridge inverters, which are directly connected in series with the residual voltages and are charged by the residual line-to-line voltages. Using the proposed compensator could compensate symmetrical three-phase sags down to 37%, or one or two phase sags down to zero if other at least one phase is rated voltage. Besides the excellent compensation property related to the compensating depth, the proposed system only need much smaller capacitance in the inverters because they are continuously charged by the residual voltages during the sags. In fact the capacitors are not energy storers but filters, so there is no limit on their compensating time interval. Theoretical analysis is done and the concerned results are derived. Simulation results demonstrated the compensating performances.

• 社団法人電子情報通信学会の論文
• 2005-05-06

著者

• Chen Zenglu

  Xi'an Jiaotong University Xi'an University Of Engineering Science & Technology Osaka U

• ISE Toshifimi

  Osaka University

• Toshifimi Ise

  Osaka University

関連論文

• Transformer-less Series Voltage Sag Compensator Without Energy Storage Capacitor for Three-phase three-line Systems
• Transformer-less Series Voltage Sag Compensator Without Energy Storage Capacitor for Three-phase three-line Systems

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