Abstract
The 50Hz SGT5-2000E Engine (V94.2), a four stage turbine, has been in operation in the world since 1981. The first version of 105MW SGT5-2000E was installed in Tenaga Nasional Berhad (TNB) owned base load power plant in 1983/4 and has clocked 264,004 Equivalent Operating Hours (EOH) in 2015. In 2015, the last stage stationary vanes (Tule 4) needed replacement as per Original Equipment Manufacturer (OEM) manual and involved of millions of Ringgit investment. In order to reduce cost, TNB power plant had engaged TNB REMACO Repair Centre to perform repair by using Reverse Engineering and Remaining Life Extension (RLE) method. This technical paper described the technique that has been implemented by TNB REMACO Repair Centre to ensure these components able to extend their life for one (1) more cycle in operation.
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