110 kV, 50 MVAR Capacitor Bank at Dong Hoa 220 kV Substation
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On April 24, 2025, My Phuong Trading Co., Ltd. (MPCo) successfully carried out the commissioning and energization of the 110 kV, 50 MVAr capacitor bank at the Dong Hoa 220 kV Substation (Hai Phong City), under Package No. 3: Supply and transportation of primary equipment and materials, issued by the National Power Transmission Project Management Board (NPTPMB).
Energization of the 110 kV, 50 MVAr capacitor bank at Dong Hoa 220 kV substation
Project Information
- Project name: Dong Hoa 220 kV Substation
- Investor: Power Transmission Project Management Board – a branch of the National Power Transmission Corporation (EVNNPT)
- Location: Tran Thanh Ngo Ward, Kien An District, Hai Phong City, Vietnam
- Implementation Period: November 2024 – April 2025
The capacitor bank is manufactured by Eaton’s Cooper, a company with over 80 years of experience in the electrical equipment industry. It utilizes internally fused capacitor units of the EX-7Li type, with a rated voltage of 15kV and a capacity of 565 kVAr per unit, with a total of 120 units (50MVAr per bank).
Image of a capacitor bank manufactured by Eaton’s Cooper.
The commissioning of the capacitor bank contributes to maintaining transmission grid voltage in the Northern region within permissible limits, meeting the increasing power demand of critical loads. It also enhances the stability of power supply, reduces power and energy losses, and thereby improves the operational and business efficiency of Vietnam Electricity (EVN).
