Procurement of materials and equipment outside the plan in 2023 (Electricity Group) for BDSC work according to the Request for Unscheduled Purchase of VTTB No. 10/HTSX-DNMSĐX dated February 7, 2023

Bộ chuyển nguồn không gián đoạn: - Redundant control system using double microprocessor control boards. - Dual redundant power supplies for control boards - Individual control board with redundant power supply for each SCR path. - Integrates an "auto-hold" feature to ensure load continuity in case of internal failure. - Real-time SCR fault sensing. - Separation of main functions to prevent internal fault propagation - Internal monitoring of sensors to ensure maximum system reliability. - Rating: 32A - 19" rack - hot swap -1ph - Rated voltage: 220V - Voltage tolerance: ± 10% (configurable) - Non-synchronized sources management: configurable up to +/- 180 - Frequency: 50 Hz ± 5 Hz (configurable) - Number of phases: ph+N - Number of poles switching: 2-pole switching - Maintenance bypass: interlocked and secured - Overload: 150 % for 2 minutes, 110 % for 60 minutes - Efficiency: 99 % - Safety standard: IEC 62310, IEC 60529, AS 62310, AS 60529 Hãng: Socomec Statys 32A (Hoặc nhà SX khác đáp ứng thông số kỹ thuật nêu trên)

UPS 24Vdc Phoenix Contact QUINT4- UPS/24 DC/24DC /10: - Input voltage: 24 VDC - Input voltage range: 18 VDC ... 30 VDC - Current Output In: 10A - Switch-over time: 0 ms - Charging current: max 3A Mains operation: - Output voltage: 24VDC: (Uout = Uin - 0.4 VDC) - Output voltage range: 18 VDC ... 30 V DC (Uout = Uin - 0.4 VDC) Battery operation: - Output voltage 24 V DC (Uout = Ubat - 0.4 VDC) - Output voltage range: 19 VDC ... 28 V DC (Uout = Ubat - 0.4 VDC) Hãng: Phoenix Contact QUINT4- UPS/24DC/24DC/10 (Hoặc nhà SX khác đáp ứng thông số kỹ thuật nêu trên)