O Mon 500kV substation has been upgraded to 1800MVA
Work item to increase the capacity of O Mon 500kV substation under the project of increasing capacity of Nha Be and O Mon 500kV substations (Unit No. 2) invested by National Power Transmission Corporation (EVNNPT). SPMB manages the project on behalf of EVNNPT, Power Transmission Company 4 takes charge of the operation management.
The item includes replacing the existing AT1 500/220/22kV-3x200MVA transformer with a 500/220/35kV-3x300MVA transformer and replacing, updating and supplementing relays, control systems, SCADA and related equipment, ensuring synchronization of existing systems and equipment at the substation within the scope of energizing the work. The total capacity of the substation at 500kV side after completion of the project is 2x900MVA.
The completion of the project helps to improve the power supply for the loads so as to meet the socio-economic development needs of Can Tho city in particular and loads of the provinces and cities in the Southwest region; Reduce load for 500kV transformers in the Southwest region; Enhance the flexible and stable operation of the power system, improve the reliability and safety of power supply and contribute to ensuring the N-1 criterion; Perform the work in accordance with the National Power Master Plan.