Sageon II 200A (N+1) Power Distribution System
Introduction
PM990-5202-200, Rev. 6
1-9
1.2.8 Rectifier Specifications
Input: 48V Rectifiers
Rated Input
Range, Nominal ................................ 208-240 Vac
Range, Tolerance .............................. 185-275 Vac
Connection........................................ Single phase; Phase-to-Phase or Phase-to-Neutral
Current .............................................. 12.4 @ 208 Vac; 10.8 @ 240; 16A max @ 120V or below
Frequency ......................................... 45-66 Hz
Extended Input (with output de-rating)
Low ................................................... 85-185 Vac
High .................................................. 275-285 Vac
Guaranteed Start...................................... 90 Vac
Soft Start ................................................. 8 seconds ramp-up to full load
Efficiency ................................................ Greater than 90% @ >50% load, 230 Vac input, 25°C (77°F)
Power Factor ........................................... Greater than 0.98 at 50% to 100% of rated load
Protection
Internal Protective Devices............... Double Fused (input)
External Protective Device ............... Optional thermal circuit breaker (input)
Fully Protected ................................. 440 Vac, indefinitely
Over-Voltage Shutdown ................... 300 Vac
Under-Voltage Shutdown ................. 85 Vac
Service .................................................... Hot swappable (i.e. Can be installed in or removed from an
operating Sageon 200A)
Output, 48V Rectifiers
Float Voltage
Nominal ............................................. 54.2 Vdc
Range ................................................. 42-58 Vdc
Equalize Voltage ..................................... 45-59.9 Vdc
Current Limit .......................................... 10% to 110% of rated output
Temperature Derating ............................. 25A @ 158°F (70°C)
Output Rectifiers
Power Limit ............................................ Foldback current limiting
Static Regulation
Line .................................................... Better than +/-0.05%
Load ................................................... Better than +/-0.05%
Dynamic Regulation ............................... +/-2% for 10% to 90% to 10% step load change
+/-1% of final value within 1 ms of step change
+/-0.2% for a 25% step change in AC input voltage
Electrical Noise ....................................... <0.96 mV RMS Psophometrically weighted
Wide-Band Noise .................................... <10 mV RMS (10 kHz-100 MHz)
Peak-to-Peak Ripple ................................ <100 mV (10 kHz-100 MHz)
Load Sharing ........................................... <+/-5% of full scale with active current sharing from SCU
Protection
3
Derating required at input less than 185Vac; worst case 2013 BTU/hr @ 85Vac (calculated) per rectifier.
