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Title: Feasibility study and design of electrical actuator for gas turbine-variable stator vanes (VSV)
Authors: Dhandapani Hariharan
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2019
Abstract: This project will assist in the development of more electric engine by investigating and developing suitable Electrical actuation for Variable Stator Vanes (VSV) Present in Gas Turbine Engines. The main drawback of Existing Fueldralic Actuation systems are they are complex, Non-Reliable and also Slow in response. The Solution for this Problem is Replacing the existing Actuator with an Electric Actuator to bring out fast actuation to the System The scope includes exploration of various Electromechanical concepts especially in the Field of Modern Electric Drives and its closed loop control supporting to the development of an Electrical actuator for VSVs. Electromechanical design of reliable, compact and fast VSV actuation system would replace the existing fueldralic actuation system present in the Gas Turbine Engines. The design process Consists of Selection and Mathematical Modelling of a PMSM Electric Drive to bring out the required Actuation for Variable Stator Vanes. This process is followed by Design of a Closed Loop Position Control especially id=0 control technique is Used here for the Electric Drive and to achieve the required amount of Stroke Length. Then this Process is followed by the Modelling of Load Torque Equation based upon the Load model which are the Gearbox that is Connected to the Motor Shaft and Transmission for Rotary motion to linear motion Conversion using a Ball Screw or Lead Screw. The load model is developed so that it can be fed as Load torque for the Machine. The Equivalent Load Inertia value is also Calculated for the Load Model. The above Presented Strategies which are Mathematical model of PMSM Electric Drive, Design of Closed Loop Control Id=0 Control Technique, Mathematical Modelling of Load which are Gearbox and Transmission to the Motor are all built in Matlab Simulation Environment the Complete Electric Actuator Design/Model has been Simulated and the Results are Verified
Schools: School of Electrical and Electronic Engineering 
Organisations: Rolls-Royce Singapore Pte. Ltd.
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:EEE Theses

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