Active BMS
New battery management system (BMS) for monitoring and active load balancing (active balancing) of lithium cells. (Suitable for LiFeYPO4, LiFePO4 and other ...) Through the active charge equalization less heat is generated, so that cooling problems belong to the past. In addition, the effective capacity of the battery bank is increased.
Features:
- Less heat generation
- More efficient
- Faster charge
- Higher effective capacity of the battery pack
Areas of application:
- Electric vehicles
- "Home Storage" for self-consumption
- Systems with very high charge and discharge
The PetaJoule-BMS Active module is used to protect your valuable lithium cells. The module constantly monitors the cell voltages, as soon as the cell voltage of a cell is too small, it opens the safety loop for the discharge (LVP). The security loop goes through all PetaJoule-BMS Active modules and switches the load off (e.g. via external relay).
As soon as the voltage of a cell is too high, it opens the safety loop for overcharge protection (OVP) which switches off the charging sources (e.g. mains charger, solar charge controllers, and other sources).
It can communicate directly via the RS485 bus with other systems.
Furthermore, a temperature monitoring is available. At temperatures above 80 ° C, both safety loops are turned off.
The PetaJoule-BMS Active module also includes a charge balancer, it "takes" energy from a cell with high SoC (State of Charge) and "puts" it into a cell with lower SoC.
Features:
- New: Active load balancing
- New: New switch outputs with electronic relay (1A switching capacity)
- New: Connection between the modules can be done by ribbon cables -> less wiring
- Microprocessor controlled
- One module per cell
- Each module is mounted directly to the battery terminals
- Balancer power about 5 - 8 A
- Balancer voltage 3.65 V (default, adjustable via interface)
- Discharge (LVP1, delayed) at 2.8 V (default, adjustable via interface)
- Discharge (LVP2, undelayed) at 2.6 V (default, adjustable via interface)
- LVP1 delay to prevent tripping during high inrush current / or cold cells
- Overcharge protection (OVP) at 3.9 V (default, adjustable via interface)
- 4 LEDs to display: Function, Error, LVP, UVP
- Over temperature protection (adjustable default, via interface) 80 ° C
- Maximum tolerance less than 0.1%!
- Low power consumption: Less than 0.03W
- Has a galv. Isolated RS485 interface