Projekt zasilacza liniowego

Kto podejmie się zaprojektowania liniowego zasilacza o parametrach conajmniej takich jak poniższe:

Zapraszam do "burzy mózgów" i pracy zespołowej.

1. Scope
The scope of this document is to specify the electrical and mechanical characteristics of a 54,5V 150W and 300W rectifiers for telecom sits. The form of factor of rectifiers is preferred open frame.

2. Electrical

Parallel ability yes / 8 pcs.
Efficiency ~90%
Electromagnetic compatibility according to EN 300-386 class B
Safety requirements according to EN 60 950

2.1. Input characteristics

Minimum input voltage range 184...265 Vrms
Frequency 45...55 Hz
Harmonics EN 61000-3-2
Protection: Fuses in L and N lines
High and low voltage disable

2.2. Output characteristics

Nominal output voltage 48 Vdc
Adjustment range of output voltage via analogue pin or digital communication 42...58 Vdc
Stabilization of output voltage ± 1%
Output current:
150W model ~3Adc 300W model~6Adc
Output power:
150W model120 – 160W
300W model 250 - 300W
Accuracy of load sharing ± 5% Inom of rectifier
Output voltage ripples:
psophometric value < 2 mV
ripples and peaks (peak-to-peak value) < 200 mV
Protection:
Output current limitation with accuracy 5% to 35Vdc
Output power limitation (optional)
Fuse in negative output DC bus
High voltage shut down (the voltage cannot be above 60 V for more than 200 ms) 59,5V
Active Current Sharing 5%

2.3.Signals
Remote switch OFF/ON
Adjustment range of output voltage analogue or digital communication
Temperature of transformer is high
On board LED Indicators AC On, Power Good

3. Mechanical
Maximum dimensions:
- width 80mm (to fit in 2U)
- depth 180mm
- height 35mm (to fit in 1U)
Protection class for the enclosed rectifier IP 20

4. Environmental
Operating ambient temperature range -33°C…+65°C
Output power derating (optional) >50°C
Storage temperature -40°C…+85°C
Operating and storage humidity 10...85% condensing
Operating altitude 3900m.
Audible noise <45dBA at 1 meter
Cooling natural / forced (connection for the fan with regulated speed)