Mapping of SGT-A35 DLE

Following the successful installation of six HC-DRIVE units in 2024, Holland-Controls by its Services UK team, returned to the site of one of the leading gas grid operators in Germany.

The team performed combustion noise and exhaust emissions mapping of two SGT-A35 DLE compression units.  Measurements of the exhaust gas Carbon Monoxide (CO) and Nitrous Oxides (NOx) were taken from a sample point high up the exhaust stack as the engines were operated throughout their power range.  After a thorough analysis of the test results the FT125 Engine Control System was updated with a new primary zone temperature schedule to provide the optimal combustion noise and emissions profile.

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A number of other long-standing issues were resolved during the visit including:

  • the failure of both units to start on the first attempt due to timing issues of the main lube oil pump test sequence tests.
  • a problem with the gas generator hydraulic starter control was identified. Its response was tuned to avoid repeated over acceleration alarms being enunciated during every start attempt.

 

In addition, a full obsolescence survey of the unit control panels was carried out. High risk components were identified to allow remedial action to be planned in advance to mitigate the risk of future downtime.

Please reach out to Holland-Controls if your Gasturbine Engine- or Package Control needs fine-tuning or an upgrade!