VROC's power generation client wished to conduct a comparison study between the performance of two identical air supply units to isolate the underlying cause of a loss of energy production as well as excessive energy consumption and reliability issues on one of them.
VROC concluded that on Unit#1 there was a significant deviation predicted for Gas Air Heater inlet pressure and Gas Air Heater differential pressure. Based on the modelling data it was concluded that there was pressure loss in the boiler and pressure entry to the gas heater which was subsequently confirmed by the client.
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