Oversea Distribution Automation System based on Japanese Experience

1
Oversea Distribution Automation System based on
Japanese Experience

• Atsushi Fujisawa
• TM TD Corporation - Japan
• Norihito Kurokawa
• TM TD Corporation - Japan

2
outage time/ 1 feeder?year (minutes)

• Outage Time (1997)

3

• 1st stage and 2nd stage of DAS

4
Voltage and Current sensing method
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5
Comparison of Characteristics by Transmission
Media
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• Geographical display of network on CRT

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• Underground System Configuration

8

• Underground Network combined with automatic and
  manual operation switch of existing RMU