Vinci-LV Li-ion Battery Management System ESS BMS for large, low voltage batteries and arrays
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, as low as $ 350
A member of the Vinci BMS family .
Vinci LV battery master
Applications
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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
For applications other than low voltage batteries, see other Vinci BMS families
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 %) or power (@ 50 %)
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 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)
Distributed (cell moudules on cells)*
Bullet-proof against tap mis-connection
Hall Effect or shunt current sensing
Up to 5 thermistors
Balancing:
Top or mid, SoC based
Dissipative ("passive")
Charge transfer (active)
(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 (State of Charge)
SoP (State of Power)
SoH (State of Health)
SoF (State of Function)
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.
Block diagram
Examples
Single battery
16 LiFePo4 Li-ion prismatic cells in series: 48 V
20 A max current: protector switch inside BMS master
17 wires to the 16 cells to sense voltage
Fitted with optional XanBus™ interface for Scheider Electric invereter
48 V battery with XanBus™
Single battery
7 NMC Li-ion prismatic cells in series: 24 V
50 A max current: current sensor inside BMS master, external contactor
Fitted with optional RS485 interface for MODBUS RTU
24 V battery with MODBUS
Single battery with 2 strings permanently connected in parallel
7 NMC Li-ion prismatic cells in series in each string: 24 V
20 A max current: protector switch inside BMS master
Each slave handles one string, with 8 wires to the 7 cells to sense voltage
Battery with parallel strings
Array of 3 batteries
Array managed by an Array Master
Array Master fitted with optional RS485 interface for MODBUS RTU
Each battery managed by a Battery Master
Each string consists of 14 NMC Li-ion prismatic cells in series: 48 V
For each battery, 15 wires to the 14 cells to sense voltage
Battery array
Array of mixed batteries
Array managed by an Array Master
Array Master fitted with optional XanBus™ interface for Scheider Electric invereter
Each battery managed by a Battery Master
First string consists of 7 NMC Li-ion prismatic cells in series: 24 V
For first battery, 8 wires to the 7 cells to sense voltage
Second string consists of two 12 V lead acid batteries in series: 24 V
For second battery, 3 wires to the 2 batteries to sense voltage
Mixed battery array
XanBus is a trademark of Schneider Electric.
Design & order your BMS
To design a BMS for your high voltage stationary battery, start by selecting one of these 2 topologies or contact us for help :
Wired, Centralized: A wire to each cell, one single module
Distributed, VinciBus: A module on each cell, fiber-optic to the Master
Wired, VinciLink: A wire to each cell, 2-wires between adjacent slaves; for strings permanently in parallel
Centralized topology
A single module performs all the BMS functions;
it senses cell voltages through a number of tap wires.
The BMS consists of:
A Centralized Battery Master
Up to 2 current sensors
A power switch (contactors or MOSFETs)
Optionally, to manage an array of batteries as a single unit, an Array Master
Detailed technical Info
Centralized topology
Distributed topology
A single Battery Master module performs most BMS functions.
A cell module is mounted on each prismatic cell to measure and report voltage and temperature.
The Battery Master is connected to the 2 cell module at the end of the battery through 2 small cables.
The BMS consists of:
A Centralized Battery Master
One cell module per cell
Up to 2 current sensors
A power switch (contactors or MOSFETs)
To manage an array of batteries as a single unit, an Array Master
Detailed technical Info
Distributed topology
VinciLink topology
This topology is for batteries that have strings connected directly and permanently in parallel.
(If not, each string forms a separate battery, each requiring its own BMS.)
The BMS uses a Master/Slave topology, consisting of a Master and a number of modules;
communication between them is through a 2-wire daisy chain.
The Slaves sense cell voltages through a number of tap wires.
The BMS consists of:
A Battery Master
A number of VinciLink Slaves
Up to 2 current sensors
A power switch (contactors or MOSFETs)
To manage an array of batteries as a single unit, an Array Master
Detailed technical Info
VinciLink topology for strings in parallel
Which one?