原创 UPS后备电源

1     SCOPE

This specification defines the performance characteristics and production test requirement for BBU

2     GENERAL REQUIREMENT

   Emerson Turn-key BBU is a backup power which designed under the request of client “Emerson”, it’s AC charge input voltage 176Vac~310Vac（45Hz-60Hz）, Shall withstand 0-415VAC input damage. And provides 3000W output power，12V±1% output voltage and 250A±10A current.

3     MATERIAL AND CONSTRUCTION REQUIREMENTS

4     ELECTRICAL SPECIFICATIONS

4.1   AC-DC charger

4.1.1 AC Input voltage range:  176Vac~315Vac（45Hz-60Hz）

4.1.2 Input power range:      0~100W

4.1.3 Start up time:          5-8s

4.1.4 AC input current:       0.85A max at 176V

4.1.5 Inrush current:         10A max

4.1.6 THD:                 15% max at 10%-100% load

4.1.7 PF:                   >0.95 at full load

4.1.8 AC input UVP:         133V±10V recovery: 160V±10V

4.1.9 AC input OVP:         360V±10V recovery: 350v±10V

4.1.10 AC output max voltage:      17.5V±0.7V

4.1.11 Charge output voltage: 12V-16.8V

4.1.12 Charge current:       1.2A-5A

4.1.13 Charge time:          3 hours max

4.1.14 Charge efficiency:     >91%

4.2   Output voltage ：  12V±0.01V

4.3   Output current：   250A±5%

4.4   Output power:    3KW@0C to +45C  for 90 seconds

4.5   AC Leakage Current：3.5mA max

4.6   Discharge efficiency:    >96%

4.7   Electrostatic Discharge (ESD)

           EN61000-4-2:1995 Level 4, +/-8kV Contact and +/-15kV Air Discharge

4.8   Temperature and Humidity

4.4.1      Temperature

4.4.1.1    Operation temperature range：0°C to 45°C

4.4.1.2    Storage temperature range：

          50% SOC and 85% max RH:

1 year storage for environment     -20C to 25 C.

3 months storage for environment  -25C to -20C or to 25 C to 40 C,.

1 week storage for environment    -40C to -25C or 40 C to 60 C

4.4.2      Humidity

          Relative Humidity, non-condensing: 0%-90%

5     PCBA Function Test

5.1   PCBA test diagram

Figure_1 DC-DC converter board PCBA test diagram

Figure_2 Mainboard board PCBA test diagram

Figure_3 DSP control board PCBA test diagram

Figure_4 LED board PCBA test diagram

5.2   PCBA functional test

5.2.1        DC-DC converter board(55693-102) PCBA function test

Equipment list

◆    E-load2: >20V@40A 

◆  DC3: >20V@50A

Test step

Note:

*Must short the S-GND and GND on the DC-DC converter board(The wire about 1cm)

*Turn off all equipment and switch before the test begin