BATTERY EXTRA LOAD UNITS – BXL SERIES

 

Battery Extra Load Units – BXL Series of devices are designed as an additional load to be used with the BLU series instruments if a required discharge current or power exceeds the capacity of a single BLU device.

The BXL Series of devices are based on the state-of-the-art technology. The devices are based on the most advanced power electronics achievements. Six to eight fans are integrated into the device itself. The BXL Series are powerful devices providing high discharge currents (up to 310 A DC) applicable to up to 480 V DC battery system voltage levels. A combination of the BLU and BXL instruments enables performing the capacity test in an accurate, user-friendly way in accordance to battery testing standards (IEEE 450-2010 / 1188-2005 / 1106-2015, IEC 60896-11/22 and other relevant standards).

A BLU device (in a BLU-BXL system combination) ensures control of the discharge process. The BXL simulates a constant load during the discharge test. Its load parameter (resistance) can be set prior to the discharge test start. The BXL provides flexibility in selecting its load capacities – several resistances can be set for majority of commercial battery nominal voltage levels.

BXL SERIES

BXL-A
  • designed for parallel operation with BLU-A series
  • applicable to 6 V – 300 V DC battery systems
  • weight – 12,5 kg (28 lbs.)
  • discharge power – up to 25,4 kW
  • discharge current – up to 250 A
BXL-T
  • designed for parallel operation with BLU-T series
  • applicable to 6 V – 48 V DC battery systems
  • weight – 12,5 kg (28 lbs.)
  • discharge power – up to 17,5 kW
  • discharge current – up to 310 A
BXL-V
  • designed for parallel operation with BLU360V
  • applicable to 6 V – 480 V DC battery systems
  • weight – 16 kg (35 lbs.)
  • discharge power – up to 35 kW
  • discharge current – up to 190 A

Overview of the maximum currents for various battery voltage ranges with the minimum achievable cell voltage of 1,75 V is presented in the table below.

 

Battery voltage 6 V 12 V 24 V 48 V 60 V 110 V 120 V 220 V 240 V 480 V
Min-Max voltage (V) 5,25 7,05 10,5 14,1 21,0 28,2 42,0 56,4 52,5 70,5 96,3 129,3 105,0 141,0 192,5 258,5 210,0 282,0 300 480
BXL-A max. current (A) 59 80 119 160 186 250 186 250 81 110 119 160 134 180 67 90 67 90
BXL-T max. current (A) 74 100 156 210 230 310 230 310
BXL-V max. current (A) 11 15 26 35 55 75 115 155 141 190 96 130 107 145 85 115 93 125 34 55
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