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r4 - 09 Aug 2008 - 13:11:09 - TomParkerYou are here: carrott.org >  BMS Web > AvailableBMSs > EVBonesBMS
See http://groups.google.com/group/freebms

Relevant thread: http://groups.google.com/group/freebms/browse_thread/thread/61226870138862a2

  • Very simple analogue circuit
  • Under and over voltage alert
  • Limited balancing ability, would be improved with a heatsink
  • No self diagnosis -- you can't tell if any single module is communicating with the charger or not
  • Optoisolated bus

  • Cell clampers on an EBike pack
    a123clamp.jpg

  • Single clamper:
    cellclamp.jpg
Topic attachments
I Attachment Action Size Date Who Comment
jpgjpg a123clamp.jpg manage 95.1 K 12 Mar 2008 - 10:01 TomParker Cell Clamp on an EBike pack, originally from evbones
jpgjpg cellclamp.jpg manage 29.8 K 12 Mar 2008 - 10:02 TomParker Single cell clamper originally from evbones
pdfpdf vclamp.pdf manage 10.1 K 12 Mar 2008 - 10:03 TomParker Description of the clamping circuit, originally from evbones
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