Fourth Unit Shutdown: Risha Station
Client: Samra Electric Power Co. (SEPCO)
Methods: UT, PT (Fluorescent & Visible)
During the scheduled major shutdown of the Fourth Unit at the Risha Power Station, Synergy provided critical turbine component inspections. Power generation turbines operate under extreme centrifugal forces and thermal gradients, where even microscopic surface cracks can lead to catastrophic mechanical failure.
The Technical Execution:
Our team focused on high-precision NDT for the turbine's most stressed stationary and rotating components:
* Turbine Casing & Fins (PT): We utilized both Fluorescent and Visible Liquid Penetrant Testing (PT). Fluorescent PT was applied in low-light conditions to provide maximum sensitivity for detecting hairline thermal fatigue cracks in the turbine casing and complex fin geometries.
* Critical Bearing Inspection (UT): We performed Ultrasonic Testing (UT) on the turbine bearings to inspect the integrity of the white metal bonding and scan for internal fatigue or subsurface discontinuities that could lead to premature bearing failure or shaft vibration.
* Component Assessment: All critical parts were cleaned and audited to ensure they met SEPCO’s stringent operational tolerances before the unit was cleared for re-assembly.
The Result:
Synergy’s specialized turbine inspections allowed SEPCO to identify and address wear patterns before they became operational hazards. By certifying the health of the bearings and casing fins, we ensured the Fourth Unit at Risha Station returned to service with optimized reliability and extended component life.
