Technology

Leading the global power plant maintenance market with unrivaled technological capabilities

Specialized Technology

Control and Instrumentation Equipment Diagnosis

  • Control and Instrumentation Equipment Diagnosis Photo 1
  • Control and Instrumentation Equipment Diagnosis Photo 2
  • Control and Instrumentation Equipment Diagnosis Photo 3
  • Diagnosis of operating characteristics of main control systems, DCS/TCS, and field instrumentation equipment, and implementation of optimal loop performance through logic and loop tuning
  • Design and execution of optimal upgrade works after diagnosing equipment reliability and assessing service life through main control system data analysis

Diagnosis Service

Control System, DCS/PLC, Diagnosis

  • Performance diagnosis by system type
  • (GE Mark-VIe, MHPS Netmation, Emerson Ovation, etc)
  • Review and optimization of major logic, including trip logic and interlocks
  • Review of dead band, gain, and PID tuning
  • Inspection of control panel hardware and power supply

Instrumentation and Final Control Element Diagnosis

  • Diagnosis of abnormalities in sensors and transmitters, including drift and noise
  • Diagnosis of installation conditions of instrumentation equipment, including environmental and protection conditions
  • Control loop function test
  • Diagnosis of operating conditions of final control elements

Operating Data Analysis

  • Analysis of operating logs, including DCS alarms and trips
  • Analysis of field signal integrity
  • Identification of frequently failed equipment and analysis of alarm frequency

Control System Life Assessment

  • Equipment reliability diagnosis through failure rate analysis
  • Aging diagnosis
  • Cost-benefit analysis

Solution

01

Root Cause-Based Equipment Optimization

  • Steam turbine governor tuning and gas turbine combustion tuning
  • Control optimization tuning
  • Proposal of measures to improve loop performance
02

Replacement and Calibration of Failed Components

  • Replacement and commissioning of various DCS/TCS/PLC components
  • Calibration and commissioning of field instrumentation and control equipment, including transmitters and positioners
03

Performance Improvement

  • Establishment of DCS upgrade plans
  • Review of replacement of aging equipment and application of the latest equipment
04

Comprehensive Commissioning

  • Functional testing and commissioning of steam turbine protection equipment

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

  • Agency for Defense Development

  • GS E&R

  • POSCO Gwangyang 광양

Overseas

  • Egbin Power(Nigeria)

  • Hlawga/Ahlone CCPP(Myanmar)

  • Qurayyah Power(Saudi Arabia)

  • Mexico MMB(Mexico)

  • Krakatau Posco Energy(Indonesia)

  • Mong Duong Thermal Power Plant(Vietnam)

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