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Vinci LV BMS

Introduction
Vinci LV Lithium-ion BMS for 48 V applications: solar, telecom, UPS

⇐ Vinci LV centralized master ⇒

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Outstanding versatility, feature rich Li-ion Battery Management System

  • 24 to 48 V Energy Storage Systems (ESS)
  • Li-ion or lead acid
  • Arrays of up to 100 batteries in parallel
  • Complete: just add cells
  • Off the shelf, stocked

Applications
Stationary
  • Solar installations
  • UPSs
    • Telecomm sites
    • Computer server farms
    • Pole mount
Mobile
  • House power
    • Marine
    • Auxiliary Power Units (APU) for trucks
    • Aviation
  • Job-site power
  • Portable devices
Specifications

Single battery:

  • 24 to 48 V
  • Up to 16 Li-ion cells in series, any chemistry
  • 2 to 4 lead-acid batteries (12 V) in series
  • Positive or negative ground, or isolated
  • Energy (100 % SoC) or power (50 % SoC)
  • *: Up to 16 strings permanently in parallel

Array of batteries:

  • Up to 63 batteries in parallel
  • Safe connection to bus (no inrush)
  • Managed as a single unit
  • Li-ion and lead acid hybrid on the same bus
  • Requires N+1 modules for N batteries

Physical:

  • Centralized (1 case)
  • Rugged, sealed, industrial grade packaging

Sensing:

  • Wired (voltage tap wires to cells)
  • Bullet-proof against tap mis-connection
  • Hall Effect or shunt current sensing
  • Up to 5 thermistors

Balancing:

  • Dissipative ("passive"), top or mid, SoC based
  • *: Charge transfer (active) balancing (not bullet-proof)

Protector switch:

  • Isolated MOSFET gate drivers
  • Drivers for contactors or latching relay
  • Internal precharge, driver for external precharge
  • *: 20 A internal protector
  • *: 20 A to 1000 A external sensors and protectors

Evaluation:

  • SoC, SoH
  • Pack isolation
  • Data logging

Communications:

  • Isolated CAN communication link
  • USB port for troubleshooting
  • Field configurable through GUI
  • *: One of:
    • XanBus™
    • ModBus RTU (RS485)
    • ModBus TCP-IP (Ethernet)
    • RS232
    • WiFi (Access point or station)

(*) Option

XanBus is a trademark of Schneider Electric.

Examples
Block diagram

⇐ Single LiFePo4 Li-ion battery, 48 V, 20 A, XanBus™ ⇒

Components:

  • 3ML1621D 16-cell battery master, 20 A protector, XanBus
  • 16 LiFePo4 cells in series
Block diagram

Single NMC Li-ion battery, 24 V, 50 A, MODBUS RTU

Components:

  • 3ML1222D 12-cell battery master, 20 A protector, RS485
  • 7 NMC cells x 3.7 V
  • Contactor
Block diagram

Single battery, 2 Li-ion strings permanently in parallel, 24 V, 50 A, standalone

Components:

  • 3ML1200D 12-cell battery master
  • 3MK1200M slave
  • 2 x 7 x NMC cells x 3.7 V
  • Contactor
Block diagram

Three battery array, 48 V, 100 A, ModBus TCP/IP

Components:

  • 3 x 3ML1620D 16-cell battery masters, 20 A protector
  • 3MM0003G Array Master with ModBus TCP/IP
  • 3 x 14 x NMC cells x 3.7 V
Block diagram

Mixed battery array (1 Li-ion, 1 Lead acid), 24 V, 100 A, XanBus™

Components:

  • 3ML1220D 12-cell battery master, 20 A protector
  • 3MC0420L Lead acid battery master, 20 A protector
  • 3MM0001G Array Master with XanBus™
  • 2 x lead acid batteries
  • 7 x NMC cells x 3.7 V
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