48V/350A Telecom Power Supply System with Controller (N+1 redundancy)

• Output Type: Single
• Warranty: 2 Years
• Output Power: 18725W
• Input Voltage: Full Range
• Connection Mode: Parallel Switching Power Supply
• Starting Mode: Separate-excited Switching Power Supply
• Model NO.: GPE48350E
• Voltage Regulating Mode: Width Modulation Type
• Power Supplying System: Terminal Power Distribution Equipment
• Energy Transmission: One-way Transmission
• Modulation System: PWM
• Certification: CE, UL, RoHS, ISO, CCC, CB
• Brand: Gold Power
• Transport Package: Carton
• Specification: 19′′ 9U
• Trademark: GOLD POWER
• Origin: China
• HS Code: 8504401990
• Production Capacity: 1000000 Sets/Year

Product Description

48V/350A Telecom Power Supply System with Controller (N+1 redundancy)

GPE48350E Embedded Power System
          
 Input: 90~280Vac; Output: -42~-58Vdc

Main features

1. Wide operating range of AC input voltage: 90~290Vac
2. Operating temperature range: -25ºC~+55ºC
3. Zero current/voltage switching tech with high efficiency ≥91%
4. Perfect battery management, battery temperature compensation, battery capacity test ,LVLD and LVBD protection, anti-reverse connective protection
5. Hot-swappable
6. Input over/under voltage protection
7. Output over voltage protection
8. Output over current protection
9. Output short circuit protection
10. Auto current sharing, parallel operation

The GPE48350E system consists of distribution unit, rectifier module (up to 7 sets) and monitoring module. The configuration is optional, as following table:

Configuration	Rectifier Module	Monitoring Module	Distribution	Remark
Standard	GPR4850D or GPR4850E   7pcs (max.)	GPM48P (With Ethernet Port)	AC distribution: 3-phase, 4-wire input,  3-pole AC breaker @ general line (63A); DC distribution: Battery fuse 125A/2P; LVLD: 63A×4 32A×3 16A×4 (MCB capacity could change) LVBD: 16A×6 (MCB capacity could change)	For details, please refer to the specifications of modules.

 

Input
Parameters	Min.	Typ.	Max.	Unit	Remark
Input voltage range	90	220	285	Vac
Input frequency	45	50	65	Hz
Input current			40	A
Power factor	0.98
Input over voltage protection	300			Vac	Auto-recovery
Input over voltage recovery	280			Vac	hysteresis width ≥5V
Input low voltage protection			85	Vac	Auto-recovery
Input low voltage recovery			90	Vac	hysteresis width ≥5V
Input over current protection					MCB at input side as protection

Output
Parameters	Min.	Typ.	Max.	Unit	Remark
Output voltage range	42	53.5	58	Vdc
Output current range	0		350	A	176~285VAC
	0		75	A	90~175VAC
Output power	0	18725		W	176~285VAC total power=load power + battery power
	0	9350		W	90~175VAC
Ripple (Vp-p)			200	mv	Rated input/output, apply 0.1uF film capacitor and 10uF high frequency electrolyte capacitor, oscilloscope band width of 20MHz.
Output efficiency	91	92		%	220Vac input
	83			%	110Vac input
Output over voltage protection	58.5		60.5	Vdc	Lock up
Output current limit protection					Available
Output short-circuit protection					Long time short-circuit no damage, auto-recovery
Over temperature protection					Auto-recovery when ambient temperature <65ºC
LVD					2 LVD available, 1 for critical loads, 1 for battery bank
Battery anti-pole protection					Battery and power supply no damage
Voltage regulation			±1	%
Basic output features  (form 2)
Parameters	Min.	Typ.	Max.	Unit	Remark
Temperature coefficient			±0.2	‰/ºC
Current share unbalance range			±5	%	@50~100% load
System on-off Inrush voltage			±5	%	When plug out any rectifier module(load current should be higher than total rectifier output current), system voltage fluctuation
dynamic response			200	uS	25%~50%~25% load change 50%~75%~50% load change
dynamic response adjustment			±5	%	Rated output voltage, rated load current
Start power rise time	3		8	S	Time between system power on to rectifier output voltage rise to rated value
Inner voltage reduce			500	mV

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