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There are lots of issues existed with the Power Supply System in DC Building, and it is controversial as these issues have not been solved completely. In recent years, worldwide attention has been focused on proposing the standards of “HVDC power supply system” or “up to 400Vdc power feed system” following with the development of the power supply system in data center. Many attentions from the worldwide...
The widening need of DC back-up throughout broadband networks, coupled to reduced power consumption and growing need for DC power back-up, has brought remote powering technologies to a wider use in the last two years. Alpha Technologies has supported Telecom Italia in installing more than 20.000 “Fiber to the Cabinet” (FTTCab) nodes, equipped with Alpha Technologies Remote powering equipment units,...
The proposed standards cover usual and unusual service conditions for power system communication apparatus similar to those already established for relays associated with power apparatus (ASA C37.1) and automatic station control supervisory, and telemetering equipments (ASA C37.2). The standard excludes carrier coupling capacitors and line traps, radio antennas, and various eind devices such as protective...
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