Power Engineering Consulting Joint Stock Company 3 - The best solution for the best choice

500kv Nghi Son Substation

  • Client: Central Vietnam Power Projects Management Board (CPMB)
  • Location: Thanh Hoa Province
  • Capacity: 2x450MVA
  • Completion time: 2020

At 12:37 a.m. on September 29, the Central Vietnam Power Projects Management Board (CPMB) coordinated with relevant entities, agencies to organize the energizing of the 500kV Nghi Son substation (Nghi Son town, Thanh Hoa province) with nearly 2 days ahead of schedule than planned progress.

The project was commenced on June 30, 2020, invested by EVN NPT and managed and operated by CPMB. Feasibility study report, technical design and shop-drawings are prepared by PECC3.

The project includes 02 500/220/35kV-450MVA AT1 and AT2 transformers of which in phase 1, installing a 500kV-450MVA AT1 transformer; a 500kV line bay, a 220kV line bay to connect AT1 transformer to C51 and C21 busbars at 500kV Nghi Son 2 distribution yard and 220kV Nghi Son 1 distribution yard.

The project includes 02 500/220/35kV-450MVA AT1 and AT2 transformers of which in phase 1, installing a 500kV-450MVA AT1 transformer; a 500kV line bay, a 220kV line bay to connect AT1 transformer to C51 and C21 busbars at 500kV Nghi Son 2 distribution yard and 220kV Nghi Son 1 distribution yard.

The 35kV side only installs 35kV TU to receive metering signals, overvoltage protection and low voltage on the 35kV side; AC auxiliary power is taken from Nghi Son 1 thermal power plant through additional low voltage transmission line and 01 section of the 220kV transmission line connected from 220kV Nghi Son 1 distribution yard to 500kV-450MVA AT1 transformer.

The completion of the project is very important to ensure the power supply for Thanh Hoa and neighboring areas. In addition, the project also helps to ensure safe and uninterrupted power supply for regional loads in all operating modes.

In the context of sudden new outbreak of COVID-19, the ahead of schedule of project is the result of continuous efforts of CPMB and contractors involving the project on the site. PECC3 is proud to be an entity contributing to creating this meaning for the lives of local community.

 

Lan Anh

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