Ialy Hydropower Company completed overhaul of two power units in the middle of COVID-19 “season”

For nearly a month, Ialy Hydropower Company and EVN Repair Service Center overhauled and put into operation Power unit No. 4 (H4) of Ialy Hydropower Plant and Power unit H2 of Se San 3 Hydropower Plant on 28 and 29 April 2020.

A worker from Ialy Hydropower Company (wearing a yellow hat) supervising the overhaul of the power unit

Overhaul of these power units served their operation in the upcoming flood season. According to Mr. Doan Tien Cuong - Director of Ialy Hydropower Company, it was the most difficult period at Ialy Hydropower Company when we had to perform three tasks simultaneously: Ensuring absolute safety in disease prevention and control; Ensure operation and power generation output according to power mobilization; And carrying out major repairs on schedule.

The workload during overhaul of these power units was examination, maintenance, repair and replacement of turbines, generators, power transformers and auxiliary systems; Adjustment and testing of the equipment after overhaul such as load balance, machine centering, insulation testing; then to start the power unit to test mechanical parts, perform short-circuit test, no-load operation, etc., thereby assessing the quality and performance of the power units.

The two units had worked in perfect coordination to contribute to the success of the overhaul of the power units. According to the plan, power unit H3 of Ialy Hydropower Plant and power unit H2 of Pleikrong Hydropower Plant were also disconnected and ready for major repairs and they were expected to be completed on 27 May 2020.


  • 01/05/2020 04:55
  • evn.com.vn
  • 214