Telecom Power System

17 Jan.,2024

 

Why higher voltages reduce cable gauge size

According to the formula for power, when voltage is increased, less current is required to supply the same amount of power. Additionally, cables supporting more current need to be proportionally larger.

Thus, to reduce cable size, one solution is to provide higher voltages. Fault-managed power systems, like Cence HV, can safely supply high-voltages thanks to their ability to reliably and quickly shut off power if any faults (such as human touch) are detected. This allows fault-managed power systems to make use of thinner cables that don't require mechanical protection or as much copper. Ultimately, fault-management reduces project costs associated with cable, makes use of lighter cables, and they are safe for telecom technicians to work on.

Why higher voltages reduce voltage drop

By enabling the safe distribution of higher voltages, fault-managed power systems not only enable thinner cables, but also reduce line losses and voltage drop. When more current travels through a line, it produces more heat along cables (and energy wasted), which causes voltage drop. Distributing higher voltages along lines means that the same level of power can be achieved with a low current, reducing line losses and voltage drop.

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