alexa Real Time Water Wash System of Gas Turbine in Power Pl
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
Open Access

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Research Article

Real Time Water Wash System of Gas Turbine in Power Plant

V.M. Ramaa Priyaa
Asst. Professor, Dept of E&I, Bharath University, Chennai-600073, India
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Abstract

Gas turbine compressors consume approximately 60% of the overall cycle energy during operation. The compression cycle consumes large quantities of air and despite intake filtration, small quantities of dust, aerosols and water pass through and deposit onto the blades. These deposits impede air flow through the compressor and over time degrade overall performance of the gas turbine. So a regular washing technique is required for cleaning the turbine. There are two type sof water wash system . Currently, the complete process of handling the valves and acquiring data from sensors is done by Turbine Control Panel. Turbine Control Panel is a DCS that handles lot of skids or systems in the power plant. Complete control and operation by Turbine Control Panel leads to overhead it with unnecessary complications. Any change in the system, such as addition of temperature transmitter or solenoid valves will result in modification of control software in Turbine Control Panel and also needs new cables for interconnection purpose. The above situation can be easily solved by introducing a real time embedded system located in the Water Wash System. The local instruments (temperature transmitters, level switches and solenoid valves) will interact with this local controller and the local controller will be control the valves. The local controller combines the data provided by all the transmitters and along with the process variables the information is send back to the Turbine Control Panel via Fiber Optics or advanced communication protocols for better data transmission. Any addition of instruments will lead to modify only the Real Time Controller application and wiring of the Water Wash System. This ensures better performance and reduces considerable amount of resources.

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