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CASE

Xiangjiang Technology's HVDC dual-bus cross redundant power supply solution uses two independent high-voltage DC power systems to output to the two power terminals of the device, and any one fault can be borne by the other.

The high-voltage DC power supply is composed of multiple DC power modules and battery packs connected in parallel in parallel. The modular output of the power supply and the battery directly provide power to the load in parallel. The battery is directly connected to the output bus. The bus power is uninterrupted. Under normal circumstances, The rectifier converts the mains power into 270V DC power for telecommunication equipment to work while charging the battery. In the event of a power outage, telecommunications equipment is powered by battery discharge.

Compared with UPS power supply, high-voltage DC power supply has small loss, high efficiency, and the most energy-saving in the entire power supply system. The output DC has no frequency effect and saves investment costs. It is the most secure, reliable, energy-efficient, and cost-effective power supply solution for modern data centers. .

Advantages of HVDC power supply

High reliability, simple operation and easy maintenance
The high-frequency switch and rectifier adopt a modular design, N + 1 backup, good current sharing performance, online hot-swap, AC and DC power-on and wireless sequence requirements, convenient installation, maintenance, and maintenance.

AC / DC protection and soft start function
The module power supply adopts phase loss protection and mains power failure protection shutdown. The mains power returns to normal and the module automatically resumes work; the module sequential soft start reduces power grid impact, improves module reliability and extends service life.

Advanced Intelligent Management
Real-time monitoring of battery charge and discharge, terminal voltage, recording discharge AH number, automatic control of battery equalization, floating charge and regular maintenance uniform charge.

Advanced Intelligent Management
Power supply full load efficiency ≥95%, full load power factor> 0.99; low harmonic distortion of AC input current (THD <5%); module voltage regulation accuracy ≤ ± 0.5%; peak-peak voltage noise ≤1.0V.

Perfect display and alarm functions
It has perfect high-intelligence monitoring function, 7-inch large-screen touch LCD display, sound and light alarms are configured, and the device operation records and historical alarm functions are not lost due to power failure.

Cost-effective
There is only one conversion stage in the entire power supply circuit, with low loss, high efficiency, and the most energy-saving. The output is a direct current factor-free and harmonic problem with the maximum load capacity; the thinnest power supply cable saves cost and space.

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