Technology

Leading the global power plant maintenance market with unrivaled technological capabilities

Specialized Technology

Steam and Gas Turbine Diagnosis

  • Steam and Gas Turbine Diagnosis related photo 1
  • Steam and Gas Turbine Diagnosis related photo 2
  • Steam and Gas Turbine Diagnosis related photo 3
  • Steam and Gas Turbine Diagnosis related photo 4
  • KEPCO KPS provides failure diagnosis and precision analysis services for steam turbines and gas turbines at various industrial plants, including nuclear, thermal, and combined-cycle power plants in Korea and overseas.
  • Based on specialized equipment and accumulated technical know-how, the company performs comprehensive diagnosis of turbine facilities and identifies the root causes of problems through Root Cause Failure Analysis, RCFA, providing optimal solutions.

Diagnosis Service

Steam Path Audit

  • Diagnosis of internal clearances, including packing seal wear and rubbing
  • Quantitative evaluation of damaged areas, including erosion and wear of rotating blades and stationary blades
  • Diagnosis of surface roughness and oxide scale adhesion on rotating blades and stationary blades
  • Diagnosis of erosion conditions in last-stage rotating blades of low-pressure turbines

Hot Gas Path Inspection

  • Precision borescope inspection of gas turbines
  • Diagnosis of damage to hot gas path components, including coating exfoliation on turbine rotating blades and stationary blades
  • Diagnosis of damage conditions and integrity of combustor internal components

Bearing Elevation

  • Measurement and analysis of rotor journal center(Bearing Elevation)
  • Diagnosis of movement conditions of casings, bearing pedestals, and related components
  • Identification and adjustment of load conditions for each bearing based on design values

Multi-Shaft Coupling & Stationary Component Alignment and Stationary Component Deformation Diagnosis

  • Measurement of multi-shaft coupling alignment and optimal alignment considering thermal expansion
  • Alignment and adjustment of internal casing components using laser equipment
  • Elimination of rubbing vibration during start-up, shutdown, and operation
  • Diagnosis of stationary component deformation through casing box-up and horizontal plane measurement

Damaged Component Diagnosis

  • Diagnosis of damage to blades and nozzle partitions
  • Diagnosis of blade root dovetail integrity
  • Diagnosis of damage to thrust journal bearings
  • Diagnosis of casing flange leakage and bolt damage

Solution

01

Component Replacement and Improvement

  • 3D measurement and modeling of power generation facilities(reverse engineering)
  • Replacement of deteriorated, aged, and damaged components
  • Bearing adjustment and correction of internal casing component alignment
  • Provision of optimal design improvement plans through bearing shape analysis
02

Management Plans Based on Root Cause Analysis

  • Measures to improve performance and efficiency
  • Remaining life assessment and life extension measures
  • Provision of efficient maintenance scope and methods considering economic feasibility in the event of performance degradation
  • Performance recovery measures for major damaged components
  • Establishment of preventive measures against recurrence of the same damage and failures

Major Clients

Domestic

  • Korea Hydro & Nuclear Power

  • Korea East-West Power

  • Korea Midland Power

  • Korea Western Power

  • Korea South-East Power

  • Korea Southern Power

  • Korea District Heating Corporation

  • POSCO

  • Hyundai Green Power

  • GS E&R

  • SK E&S

  • Yeocheon NCC

  • GS Caltex

Overseas

  • South Africa Eskom Rotek
    (South Africa)

  • Societatea Națională Nuclearelectrica(Romania)

  • National Electric Power Company
    (Jordan)

  • Gujarat State Electricity Corporation Limited(India)

  • Perusahaan Listrik Negara
    (Indonesia)

  • Jirama(Madagascar)

  • UTE(Uruguay)

  • KEILCO(Philippines)

Loading