Corporate Profile
Company Profile
Vision and Mission
Organization Chart
Corporate Authority
Board of Directors
Executive Directors
Department Directors
Main Services
O & M Services
Testing Service (New)
Project References
Nam Theun 1 #650MW
Xe-Pain Xe-Namnoy #410MW
Don Sahong #260MW
Nam Chiane #104MW
Nam Lik 1 #65MW
Nam Long #5.6MW
Tad Salen #3.2MW
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CORE BUSINESS OPERATION
To provide operation and maintenance services for hydropower plants;
To provide the minor and major overhaul for hydropower plants and substations;
To joint-venture with domestic and abroad companies;
To support engineers & experts for O & M services in hydropower plants & substations.
SCOPE OF OUR SERVICES
Operation & Maintenance Services (O&M)
Personal Supply Agreement (PSA)
Preventive & Corrective Maintenance Services
Minor & Major Overhaul Services
Engineering & Planning Services
Joint Venture
Routine Hydropower Operation & Maintenance
Reservoir Management & Forecasting.
Turbine functional checks and inspection.
Turbine bearing lubrication and inspection.
Gearbox inspection.
Gearbox oil condition analysis and oil changes.
Gearbox bearing inspection and lubrication.
Drive belt inspection and replacement.
Drive coupling inspection.
Generator inspection.
Generator bearing inspection and lubrication.
Hydraulic system inspection.
Air gap and Partial discharge monitoring.
Hydraulic system oil condition analysis and oil changes.
Check all sensors operate correctly.
Check controller functions correctly.
Inspection of intake area, impounding structures, pipeline, sluice(s).
Inspection of cooling system (heat exchanger, water pumps).
Inspection of Drainage and sump pump system
Visual inspection and record temperature & oil tank of main transformer.
Inspection of switch yard, switch gear, 22 KV transmission line, excitation, governor (control system, mechanical system and oil pump), power supply (AC, DC, battery and battery charger).
Seepage, leakage, crack and sediment monitoring.
Non-routine Hydropower Maintenance
Turbine & Generator shaft centering adjustment, installing & realignment
Gravitation welding of runner blade
Transformers (oil breakdown, oil purifier, minor overhaul, installation, insulation resistance measurement).
Oil or lubricant (oil filter and old replacement).
Generator annual inspection.
Circuit breaker annual inspection.
Control system (checking and repair or replacement all equipment / auxiliaries
Bearing replacement.
Changing drive couplings and belts, including realignment.
Sensor replacement and calibration.
Controller optimization / reprogramming.
Internal (endoscopic) inspections of turbines and gearboxes.
Major mechanical / electrical or civil engineering repairs and refurbishments.
Test, record and report of all auxiliary equipment
Pipeline pigging.
Pipeline external and internal inspections.
Weir condition surveys.
Flow rate measurements (to verify turbine performance and consent compliance).
Hydraulic accumulator testing and recharging.
Electrical inspection and testing.
Automated intake screening system maintenance.
Hydro system performance and operational reviews / optimization.
Environmental permit compliance.
OPERATION & MAINTENANCE SERVICES FOR HYDRO POWER PLANTS
PSA-KOWEPCO Xepain-Xenamnoy – 410MW
PSA-EGAT Nam Lik 1 – 65MW
Nam Khan 3 – 60MW
Xeset 3 – 23MW
(E&E) Nam Theun 1 – 650MW
PSA-SINOHYDRO B10
Don Sahong ~ 260MW
Nam Chiane – 104MW
Tad Salen – 3.2MW
Nam Ngum 1 - 235MW
Nam Khan 2 ~ 130MW
Houay Lamphangnai - 88MW
Xeset 2 - 76MW
Nam Leuk - 60MW
Xeset 1 - 45MW
Nam Mang 3 - 40MW
Nam Sana - 14MW
MAINTENANCE EXPERIENCES FOR HYDRO POWER PLANTS
OPERATION & MAINTENANCE
MINOR OVERHAUL
MAJOR OVERHAUL
POWER TRANSFORMER MAINTENANCE
STATOR WINDINGS INSPECTION
THRUST BEARING REFURBISHMENT