TNB Repair And Maintenance Sdn. Bhd. (TNB REMACO) has strategically established itself into four main business services
Maintenance & Repair Services
Mechanical Field Services
- Overhaul, repair and maintenance of:
- Gas Turbines (E-class, F-class, J-class, all major manufacturers)
- Steam Turbines (all types and makes)
- Aeroderivative Gas Turbines (from LM2500, LM6000, RB211 and Avon)
- Hydro Turbines (all types and makes)
- Repair and maintenance of boilers
- Repair and maintenance of balance of plant (BOP) e.g.: pumps, fans, valves, gear boxes etc.
- Technical Advisory services
- On-site dynamic balancing of rotors (up to 100 tons)
- Borescope inspection
- Special equipment and tools:
- Onsite low speed balancing machines (30 and 100 tons)
- Onsite 8 meter long lathe and blade tip grinding machines for Siemens Gas Turbine V94.2
- Onsite 5 meter diameter Top Cover and Bottom Rings machining equipment for Francis Runner
- Onsite automatic and manual rotators for steam turbine and gas turbine rotors
- Various portable tool containers for Heavy-Duty Gas Turbines, large Steam Turbines and Hydro Turbines
- Various tools for GE Gas Turbine LM2500 Hot Section Exchange
Electrical Field Services
- Major and minor overhauls of generators from various OEM’s
- Static and brushless exciter inspection
- Seal oil systems overhaul for hydrogen-cooled generators
- Stator re-wedging
- Stator winding repairs and rewinding
- Rotor winding repairs and rewinding
- Rotor retaining ring removal and inspection
- Exciter winding repairs and rewinding
- Generator parts repair or refurbishment
- Visual and borescope inspection on stator and rotor
- Heat exchanger hydrostatic pressure testing
- Alignment of generators from various OEM’s
- Dry ice cleaning of electrical windings
- Leakage test for hydrogen-cooled generators
Control And Instrumentation Field Services
- Instrumentation calibration for power plants, process plants, oil and gas industries
- Control system upgrading of DCS such as Mark V & VI, Diasys Up, Diasys Netmation, Valmet
- Electrical retrofit g. breaker installation and AVR upgrading
- Troubleshooting for electrical, C&I and plant process
- Commissioning after overhaul of Gas Turbine, Steam Turbine, Hydro Turbine, Diesel Engine
- Process optimization for power plant and process plant g.: boiler control tuning, turbine control tuning
Refurbishment of Power Plant Machinery Component
- One-Stop center for repair and refurbishment, providing the need for independent, adaptive, accessible and flexible turbo-machinery services
- Refurbish a wide range of rotary, stationary and structural components including Hot Gas / Steam Path components (vanes, blades, shrouds and combustors)
Integrating our experience, high-end equipment and expertise, TNB REMACO Repair Centre offers the following services
- Repair And Refurbishment
- Gas Turbines
- Steam Turbines
- Hydro Turbines
- Repair And Refurbishment
- White Metal Bearing
- Gearbox
- Pumps and Valves
- On-Site Repair
- GT Exhaust system
- Boiler inspection and repair
- Rotor assessment and repair
- Balance of Plant and Auxiliaries
- On-Site Machining
- Reverse Engineering
- 3D Dimensional Scanning
- Finite Element Analysis
- Parts Fabrication
Laboratory And Metallurgical Analysis
- Material Analysis
- Failure Investigation
- Remaining Life Assessment
- Microstructure Analysis
- Destructive Testing
Laboratory And Metallurgical Analysis
- Thermal Coating (HVOF/Plasma)
- Vacuum Heat Treatment
- Blasting and Shot Peening
- Brazing
- Burner Flow Test
- Coupon Replacement
- Chemical Stripping
- Stationary Frequency Test
We have state-of-the-art facilities to comprehensively support our services:
- Vacuum Furnace
- Acid Stripping
- 100 Tons Portable Lathe Machine
- Machine Shop
- Non-Destructive Testing
- White / Blue Light Scanner
- Coordinate Measuring Machine
- Laser Welding
- 75 Tons Overhead Crane
- Semi-automated Shot Peening
- Special Tools and Fixtures
- Welding Positioner
Test & Diagnostic Services
Test Services
- Performance Test
- Battery Discharge Test
- Battery Conductance Test
- Protection Relay Calibration Test
- Tested Annual Available Capacity (TAAC) Test
- Current Transformer (CT) and Voltage Transformer (VT) Testing & Analysis
- Transformer Guard Test
- Protection Relay Rehabilitation and Installation
- Energy Meter Verification
- GPS Time Stamping
- Transformer Stability Test
- Malaysia Grid Code Test
Electrical Diagnostic Services
- Electrical Core Imperfection Detection (ELCID) Test
- Stator End Winding and Rotor Body Visual Inspection
- Winding Resistance Test
- Stator / Rotor Conductor / Insulation Resistance (IR / PI) Test
- Wedge Tightness Detector (WTD)
- DC Hipot Test up to 70kV
- AC Hipot Test up to 25kV
- Recurrent Surge Oscillograph (RSO) Test / Voltage Drop Test
- Online Partial Discharge (PD) Measurement
- Offline Partial Discharge (PD) Measurement up to 25kV
- Online PD Continuous Monitoring Systems
- Offline Tangent Delta Measurement up to 25kV
- Cable Tangent Delta and PD Testing
- Offline Electromagnetic Interference (EMI) Scan of Electrical Plant (Isolated Phase Bus (IPB), Stator, etc)
- Offline Corona Probe Scanning for Generator IPB
- Electrical Signature Current Analysis
Mechanical Diagnostic Services
- Vibration Measurement and Analysis on Turbomachinery and Auxiliary Equipment
- In-situ Balancing
- Vibration Probe Verification
- Bump Test and Modal Analysis
- Non – Destructive Testing (Penetrant Testing, Magnetic Particle Testing, Ultrasonic Testing)
- Thermography Inspection
- Acoustic Ultrasound Inspection
- Borescope Inspection
- Condition Based Monitoring (Vibration, Thermography Ultrasound)
Calibration Services
- Process Instrument Calibration (Pressure,Temperature, Flow)
- Dissolved Gas Analysis
- Control and Instrumentation Upgrading
Electrical Workshop Transformer Routine Maintenance
- Transformer Servicing
- Transformer Oil Filtration
- Installation and Dismantling of Transformer and Auxiliaries
- Retrofitting of Transformer
Rotating Electrical Equipment Repair And Maintenance Services
- Rewinding / Overhaul / Alignment of Motors and Generators
- Motor Testing and Analysis
- Motor and Generator Commissioning
- Bearing Inspection Works
- MV/LV Motor Surge Test
- Dynamic Balancing Works
- Drying Oven Rental Services
Transformer Test
- Insulation Resistance Test
- Winding Resistance Test
- Excitation Current Test
- Turn Ratio Test
- Tan Delta Test
- Frequency Response Analysis Test
- Dynamic Resistance Measurement on OLTC
- Frequency Dielectric Spectroscopy Test
- Acoustic Partial Discharge Test
Breaker Maintenance And Testing
- Servicing Works up to 33kV
- Vacuum Integrity
- High Potential Test
- Insulation Test
- Contact Resistance Test
- Breaker Supply, Commissioning and Refurbishment
Diesel Generator
- Overhaul and Troubleshooting
Insulated Phase Bus Duct (IPB)
- Supply and Servicing
- Offline PD Testing
Project & Technical Services
Project Management Services
Provide technical and engineering services to ensure projects will be completed on time, within allocated cost and to the required quality standards
Areas of expertise
- Power Generation Plant Projects
- Construction
- Relocation
- Rehabilitation
- Demolition
- Transmission and Distribution Projects
- Land acquisition and wayleave services
- Construction
Services offered
- Preliminary studies
- Conceptual design
- Tender document preparation
- Tender evaluation
- Management of project/contract during implementation, including technical review
- Assist client with resolution of contract disputes
- Assist client with Project close-out and handing-over
Engineering, Procurement, Construction And Commissioning
Design and construction of power-related projects within Malaysia and overseas on a full turnkey basis
Areas of expertise
- Power Generation Plants
- Diesel Generator sets
- Open-cycle Gas Turbines
- Combined-cycle Gas Turbine
- Co-generation plant
- Renewable energy, including hybrid
- Transmission and Distribution Projects
- Transmission line
- Substations
- Underground and overhead cabling
Others
- Civil and infrastructure works, including slope repair
Operation and Maintenance Management
Operation And Maintenance (O & M) Services
- Day-to-day Operations and Routine Maintenance
- Complete plant staffing
- Scheduled Maintenance
- Preventive Maintenance and Corrective Maintenance
- Predictive Maintenance Programs (Risk Based Inspection, Condition Monitoring)
- Inventory Management
- Site documentation and ISO procedure development
- Site-specific computerized maintenance management programs
- Comprehensive training
- Environmental, Health and Safety programs
- Engineering and Technical Support
TNB REMACO O & M Services can provide management and operation of:
- Power Plants
- Open & Combined Cycle Gas Turbine
- Hydro
- Desalination Plant
- Oil, Gas and Industrial Plants
- Conventional Thermal (Coal, Oil, Gas)
- Utilities
- Process Flows
Coal O & M And Management Contract
- Coal stacking to stock pile
- Coal reclaiming to bunker
- Recirculation of coal
- Day-to-day operations
- Scheduled maintenance (O & M planning/scheduling, plant rehabilitation, ) of Coal Stock Yard and Bulk Terminal
Plant Rehabilitation
- Provides technical and management consultancy and owner’s engineer for conversion
- Relocation
- Refurbishment and/or rehabilitation of power plants/utilities
Plant Technical And Management Consultancy
- Technical project management
- Technical feasibility studies and utility management consultancy