Powerdsine IEEE802.3 Instrukcja Użytkownika Pobierz pdf (Strona 12)

PowerDsine Presentation October 2005 Page 12

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PoEp Power Architecture-AC UPS

 Cost of power supply with 44V or 51V outputs is approximately the

same. But under the same conditions, 51V output power supply will

have higher efficiency then 44V PS

 Estimated cost of additional boost circuitry for supporting the change

from 45V to 52V for 500W power supply is about 10% cost of power

supply.

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Powerdsine IEEE802.3 Instrukcja Użytkownika Strona 12