Fiscal 2009 Status of Demonstration Test

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Annual brief overview

Fiscal 2009 Status of Demonstration Test

TA program of durability test (cumulative total of 5000 hours) has been underway since June 8, 2009, to assess reliability at the high utilization typical of commercial use. Tests included coal type replacement test and load variation test.

[5000-hr Durability Confirmation Test (RUN-11)]

  • <Test Objectives>
  • ・Run the plant for a cumulative total of 5000 hrs to verify the durability of the facility under sustained operations.
  • ・Perform coal type replacement test using sub-bituminous coal other than designed coal.
  • ・Perform control system tests, including load variation test.
  • <Results of Test>
  • ・Verified the durability of the facility after operating for cumulative 5013 hours.
  • ・Confirmed that the plant can run at 80% load (200MW) using North-American sub-bituminous coal.
  • ・Confirmed operation under load changing at a rate of 2.4%/min (6 MW/min).