Monitoring

Battery

Battery parameters are summarized in the "Battery" section:

In this section:

• Total voltage – voltage of the modular battery, V;
• Current – current of the modular battery, A;
• Internal resistance – internal resistance of the modular battery, Ohm;
• Average temperature – temperature of the modular battery (calculated as an average temperature among the battery modules), °C;
• Main voltage – supply voltage on the BMS, V;
• Power switch voltage – supply voltage on the power switches, V;
• Board temperature – internal temperature of the BMS, °C;
• Board humidity – relative humidity measured by the BMS, %;
• Temperature 1, 2 – temperature measured by the external temperature sensors, °C;
• High voltage 1 – voltage before contactors, V;
• High voltage 2 – voltage after contactors, V;
• Capacity – modular battery capacity, Ah;
• SOC – state of charge of the modular battery, %;
• DOD – depth of discharge of the modular battery, %;
• Balancing efficiency – balancing efficiency of the battery, %;
• State – state of the modular battery:
  • Off – the modular battery is off;
  • Pre-balancing – the battery modules are precharging;
  • Balancing – the battery modules are joined and balancing;
  • Precharging – the modular battery is precharging;
  • Idle – the modular battery is idle (charging and discharging currents are not detected);
  • Charging – the modular battery is charging;
  • Discharging – the modular battery is discharging;
• Duration – duration of the battery in the "State" state, second;
• Energy+ – total energy received by the battery modules from the charger and during recuperation, Wh;
• Energy- – total energy spent by the battery modules on the load, Wh;
• Balanced energy – total energy dissipated by the battery modules on balancing resistors, Wh;
• Charge current limit – maximum allowed charge current of the modular battery, A;
• Regeneration current limit – maximum allowed regeneration current of the modular battery, A;
• Discharge current limit – maximum allowed discharge current of the modular battery, A;
• Input signals – device input signals (see Input signals);
• Internal signals – device internal signals (see Internal signals);
• Common errors 1, 2 – errors of the modular battery (see Errors);
• Voltage unbalance (CH) errors – voltage unbalance errors (charge circuit) for each battery module;
• Voltage unbalance (DCH) errors – voltage unbalance errors (discharge circuit) for each battery module;
• Current unbalance (CH) errors – current unbalance errors (charge circuit) for each battery module;
• Current unbalance (DCH) errors – current unbalance errors (discharge circuit) for each battery module;
• Charging current unbalance errors – different charge currents for each battery module;
• Discharging current unbalance errors – different discharge currents for each battery module.