Aeroderivative gas turbines play a critically important role in the gas distribution and cogeneration industry. The need for maintaining high efficiency and availability has created the need for condition monitoring systems. This paper covers aspects relating to online condition monitoring techniques.

The subject matter of this paper applies to all aeroderivative gas turbines. Owners and operators of these machines can reduce operating costs and enhance availability and performance by paying close attention to the operating condition of their equipment. By doing so, performance tuning for optimum operating costs can be accomplished. Likewise, preventive maintenance efforts can be enhanced.

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