Energiespeichersystem eines Fahrzeugs

Details

Veröffentlichungs-Nr.

EP4722016

Anmeldetag

2. Oktober 2024

Veröffentlichung

8. April 2026

Rechtsraum

EP

Abstract

An energy storage system (30) of a vehicle (1) equipped with a regenerative braking system (2) and comprising: a battery pack (32) configured to power an electric traction machine (10) and being operable according to predefined limited state of charge (SOC) limits (140) extending from a lower limited SOC limit (130a) to an upper limited SOC limit (130b), and predefined extended SOC limits (142); a heat storage tank (34) comprising heating fluid and an electrical heater (36); a processing circuitry (17) configured to: in response of determining an anticipated cold start operating mode, charge the battery pack (32) in accordance with the extended SOC limits (142) to at least above a level corresponding to that of the upper limited SOC limit (130b), and during subsequent operation of the vehicle (1) and in response of that the SOC of the battery pack (32) is above the upper limited SOC limit (130b), power the electric heater (36) by the regenerative braking system (2) to heat the heating fluid of the heat storage tank (34).

Anmelder

Firma

Volvo Construction Equipment AB

Land

🇸🇪 Schweden