Preventive Maintenance/PM Services for Hydro Power Plants

Battery Quality Testing @ Nam Lik 1 HPP (65 MW) in 2024

Tested Tr @ Hinbounh Sub On 21 August 2023
Tested CT, PT, LA @ Hinbounh Sub On 21 August 2023

GAS SF6 Analysis of CB 115kV @ Hinbounh Lower HPP On 20 August 2023

Tested Tr @ Hinbounh Lower HPP On 16 August 2023
Tested Relay @ Hinbounh Lower HPP On 17August 2023
Tested CB @ Hinbounh Lower HPP On 18 August 2023
Tested CB @ Hinbounh Sub On 19 August 2023
Tested CT, PT, LA @ Hinbounh Sub On 19 August 2023

Test Stator winding and Rotor (Hinbounh Lower IPP) on 11-13 July 2023

Test equipment switchyard part such as: TR, CB, CT, CVT, VT, LA, DS (TardSaLaen IPP) 0n 8-11 May 2023

Tested Relay Protection for generator, transformer and transmission line @ Nam Song HPP on 24 Feb 23
Tested Power transformer @ Namngum-1 HPP. on 1 March 23
Tested Generator unit 1@ Nam Song HPP on 21 Feb 23
Tested CB unit 2 @ Nam Song HPP on 22 Feb 23
Tested current transformer unit 2 @ Nam Mang 3 HPP on 15 Dec 2022
Tested voltage transformer unit 7 @ Nam Ngum 1 HPP on 26 Jun 2021
Tested main transformer unit 2 @ Nam Mang 3 HPP on 15 Dec 2022
Tested GCB unit 1&2 @ Nam Mang 3 HPP on 14 Dec 2022
Tested rotor unit 1 @ Nam Mang 3 HPP on 14 Nov 2022
Tested main transformer unit 1 @ Nam Mang 3 HPP on 14 Nov 2022

500 kV Transmission Lines Right of Way Clearance from Nam Theun 1 HPP – Nabong S/S

Corrective Maintenance/CM for Hydro Power Plants

Transformer Brushing O-ring Replacement @ Xepian Xenamnoy HPP (410 MW) in 2024

Oil Purify of Main Transformer @ PHUBIA MINING in 2024

RELAY REPLACEMENT OF NAM NGUM 1 HYDRO POWER PLANTS (155 MW) @ 2024

Tr Conservator Rubber-Bag Inspection & Replacement @ Xepian Xenamnoy HPP (410 MW) 2024