20240051397. METHOD FOR DISCHARGING AT LEAST ONE ELECTRICAL ENERGY STORAGE UNIT OF A CIRCUIT simplified abstract (VALEO EQUIPEMENTS ELECTRIQUES MOTEUR)

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METHOD FOR DISCHARGING AT LEAST ONE ELECTRICAL ENERGY STORAGE UNIT OF A CIRCUIT

Organization Name

VALEO EQUIPEMENTS ELECTRIQUES MOTEUR

Inventor(s)

Joachim Laupa of Creteil Cedex (FR)

Hicham Lahbil of Creteil Cedex (FR)

METHOD FOR DISCHARGING AT LEAST ONE ELECTRICAL ENERGY STORAGE UNIT OF A CIRCUIT - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240051397 titled 'METHOD FOR DISCHARGING AT LEAST ONE ELECTRICAL ENERGY STORAGE UNIT OF A CIRCUIT

Simplified Explanation

The abstract describes a method for discharging an electrical energy storage unit in an electrical circuit. The method involves using a switching system to convert the voltage and control the electrical consumer to reduce the voltage across the terminals of the energy storage unit.

  • The method involves using a dc/ac voltage converter and a dc/dc voltage converter to control the voltage in the electrical circuit.
  • The first switching system is connected to the electrical energy storage unit and the electrical winding of the stator of a rotary electric machine.
  • The second switching system is connected between the first electrical sub-circuit and a second electrical sub-circuit.
  • The method includes detecting when the voltage across the terminals of the energy storage unit exceeds a predefined threshold.
  • The method further involves controlling the first switching system, the second switching system, or the electrical consumer to reduce the voltage across the terminals of the energy storage unit by circulating an additional current in the stator electrical winding, second switching system, or electrical consumer.

Potential applications of this technology:

  • Electric vehicles: This method can be used to efficiently discharge the energy storage unit in electric vehicles, allowing for better control and management of the battery's voltage.
  • Renewable energy systems: The method can be applied in renewable energy systems, such as solar or wind power, to discharge the energy storage unit and optimize the use of stored energy.
  • Industrial machinery: This technology can be implemented in industrial machinery to discharge energy storage units and improve overall energy efficiency.

Problems solved by this technology:

  • Voltage control: The method provides a way to reduce the voltage across the terminals of the energy storage unit, preventing overcharging and potential damage to the unit.
  • Energy management: By efficiently discharging the energy storage unit, this method helps optimize energy usage and improve overall system performance.

Benefits of this technology:

  • Improved battery lifespan: By controlling the voltage across the energy storage unit, this method helps extend the lifespan of the battery by preventing overcharging.
  • Energy efficiency: The method allows for better energy management and utilization, leading to improved overall energy efficiency in various applications.
  • Enhanced system control: By controlling the switching systems and electrical consumer, this technology provides better control over the discharge process, ensuring optimal performance and safety.


Original Abstract Submitted

a method for discharging an electrical energy storage unit of an electrical circuit includes a first switching system defining a dc/ac voltage converter and interposed between a first electrical sub-circuit, which includes the electrical energy storage unit and the electrical winding of the stator of a rotary electric machine. a second switching system defines a dc/dc voltage converter interposed between the first electrical sub-circuit and a second electrical sub-circuit. at least one electrical consumer forms part of the first electrical sub-circuit. the method includes detecting that the voltage across the terminals of the electrical energy storage unit exceeds a predefined threshold, and controlling at least one of the first switching system, the second switching system and the electrical consumer so as to reduce the voltage across the terminals of the electrical energy storage unit by circulating an additional current in the stator electrical winding, second switching system, or electrical consumer.

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