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Distributed Power

Huawei’s Distributed Power Systems (DPSs) are next-generation power solutions specialized for compact sites. They can be installed on poles or walls and used for easy macros, small cell base stations, and remote RRUs. They consist of DC, AC, and battery modules.

DC module: Converts AC/HVDC to -48V DC; supplies three branches of DC output and one branch for the battery module.

AC module: Supplies three branches of single-phase AC output and a branch of DC output for a battery unit or DC LOA.

Battery module: Provides reliable power backup.

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    Simple, efficient, reliable distributed power

    Simple: Fast deployment (1 hour by 1 person), flexible evolution; multiple inputs: AC/HVDC; support for mobile App (based on Bluetooth) and “smart” OSS; in-band/out-of-band transmission
    Efficient: Industry-leading efficiency (96%) distributed power system
    Reliable: IP65; -40°C to 55°C working temperature; fan-free design; on-site maintenance free

    Specifications

    Item DPU30D DPU30A DBU20B DBU20B-N12A2 DOU-DCD01
    Dimensions
    (W x D x H )
    300 mm x 50 mm x 400 mm 300 mm x 50 mm x 400 mm 300 mm x 120 mm x 400 mm 300 mm x 120 mm x 400 mm 300 mm x 50 mm x 400 mm
    Weight 7 kg 7 kg 18 kg 20 kg 6 kg
    Protection Level IP65 IP65 IP65
    Installation Mode Wall-mounted, pole-mounted, tower installation Wall-mounted, pole-mounted, tower installation Wall-mounted, pole-mounted, tower installation
    Working Temperature −40°C to 55°C −40°C to 55°C −40°C to 55°C
    Cooling Mode Natural heat dissipation Natural heat dissipation Natural heat dissipation
    Altitude −60m to 4,000m (1°C per 200m temperature derating from 2,000m to 4,000m) −60m to 4,000m (1°C per 200m temperature derating from 2,000m to 4,000m) −60m to 4,000m (1°C per 200m temperature derating from 2,000m to 4,000m)
    Input Mode AC: 85V to 300V, rated 220V
    HVDC: 85V to 400V
    AC: 85V to 300V −48V −48V −48V
    Input Frequency 45 Hz to 65 Hz 45 Hz to 65 Hz N/A N/A N/A
    AC Input Distribution 1 x 220V/15A 1 x 220V/15A N/A N/A N/A
    AC SPD Difference mode: 20 kA
    Common mode: 20 kA
    Difference mode: 20 kA
    Common mode: 20 kA
    N/A N/A N/A
    Output Voltage Range 48V 220V N/A -48V DC 48V DC
    MaximumCapacity 1,500W 1,500W N/A N/A
    N/A
    DC Output Distribution Load branches: 3 x 30A (fuse)
    Battery branches: 1 x 40A (fuse)
    Load branches: 3 x 16A
    Battery branches: 1 x 40A (fuse)
    Battery branches:2 x 30A (fuse) NA 5 x 30A (with exchangeable fuse)
    DC SPD Difference mode: 20 kA
    Common mode: 20 kA
    Difference mode: 3 kA
    Common mode: 5 kA
    Difference mode: 10 kA
    Common mode: 20 kA
    Difference mode: 10 kA
    Common mode: 20 kA
    NA
    Rectifier Efficiency ≥ 96% ≥ 98% NA NA NA
    Interface Definition 1 x DB9 (CAN)
    1 x DB9 (CAN+ 4 × DO + RS485*)
    1 x DB9 (CAN)
    1 x DB9 (CAN+ 4 x DO + RS485*) increases by 200m
    2 x DB9 (CAN) 2 x RJ45 (CAN) NA

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