SERVICES - TRANSMISSION LINE

High Voltage Transmission Line

Compare to a blood vessel, High Voltage Transmission line transmit electricity to consumers. Being responsible for the maintenance of  transmission line network, VASE is capable to render services for high voltage transmission line up to 230kV.  SCOPE OF SERVICES: I. Preventive Maintenance • Thermovision Check: Check for loose connection of equipment and transmission line by detecting the heat radiating from bad contact point either occurred by corrosion or loosening of nuts or bolts. • Tower Grounding Resistance Check: Check for grounding resistance of towers to prevent damages from lightning as well as analyzing and improving grounding system. • Puncture Test: Check insulator puncture arising from lightning or pollution including analyzing the cause of damage. II. Corrective Maintenance • Repair transmission lines and towers • Transmission line stringing. • Replace insulator and hardware. III. Commissioning Transmission Lines

Transmission System Equipment

Transmission System Equipment plays an important role in transmitting electricity to consumers. Fullled with knowledge, skills and years of  experience in this eld as well as modern and standard equipment, VASE maintenance crew can assure you of our best services.  SCOPE OF SERVICES: I. Engineering and Installation of Substation Equipment • Consultation on planning, design and supervision of substation construction. • Installation of electrical equipment such as Power Circuit Breaker, Instrument Transformer, Disconnecting Switch as well as the analysis of substation problem for improvement. • Equipment leasing such as Generator, Instrument Transformer, Oil Purier, Air Dryer, Vacuum Pump and other equipment. II. Power Transformer and Instrument Transformer • Commissioning, inspection, installation, repair and test of Power Transformer and Instrument • Preventive & corrective maintenance including inspection and overhaul of On Load Tap Changer (OLTC). • Transformer life assessment. • Consulting service on transformer problem. • Provision of spare parts. III. Switchgear and other Equipment • Preventive and corrective maintenance of Power Circuit Breaker, Disconnecting Switch, Capacitor Bank. • Preventive maintenance of Gas Insulated Switchgear (GIS). • Assessment of Power Circuit Breaker condition by analyzing the result from Motion Analyzer and Dynamic Resistance Measurement. • Electrical for Power Circuit Breaker such as contact resistance and timing test, etc., IV. Battery and Charger • Battery inspection and discharge test. • Battery charger inspection V. Testing and Commissioning Substation Equipment

Transmission System Operation and Maintenance

Transmission System plays an important role in transmitting electricity to the citizens of Laos with quality, stability and reliability by responsibility   for the maintenance of entire equipments in Transmission System. Throughout 5+ years of experience, Transmission System has served Lao   citizens and the nation with acceptable experience and skills in order to sustain adequate electricity.     Transmission System expands our Operation & Maintenance Services to both government and private sectors such as Independent Power   Producers (IPPs) and Small Power Producers (SPPs) as well as Industrial Plants.  Fullled with responsibility, Transmission System carefully  selects competent and experienced maintenance crew, modern equipment,  appropriate technology and standard of working to satisfy all  customers. Moreover, we have our maintenance teams nationwide to serve our  customers.   Transmission System assures customers of the correct and appropriate maintenance procedures for their equipment, the decrease  in  unnecessary expenses arising from equipment breakdown, extension of equipment’s opzeration life and the decrease of the total production   cost.