Abstract: A method for controlling power supplied to an electrical network having a rated frequency, by an electrical production set with a hydroelectric plant and a battery energy storage system, includes determining, from a model of the hydroelectric plant, a theoretical power of stabilization of the frequency of the electrical network by the hydroelectric plant, the theoretical stabilization power being relative to a production of the hydroelectric plant alone for the stabilization of the frequency of the electrical network, when setpoints for production members of the hydroelectric plant are implemented.

Abstract: A method for controlling a power supplied to an electrical network having a rated frequency, by an electrical production set comprising an electrical production plant and a battery energy storage system, comprises acquisition, by a hybridization controller, of a first signal representative of the power to be supplied to the electrical network; production, by the hybridization controller, of a power setpoint for the battery energy storage system; production, by the hybridization controller, of a substitution signal representative of the power to be supplied by the electrical production plant alone; and acquisition, by a plant controller comprising an input for acquisition of a signal representative of the power to be supplied by the electrical production plant, of said substitution signal.

Abstract: Method for evaluating the state of charge of a battery including at least one phase of estimating the state of charge of the battery by an estimation algorithm and at least one phase of resetting the estimation algorithm implemented during the estimation phase, which includes (i) detecting a real value of a state of charge of the battery at an instant, by (a) charging or discharging the battery, between first and second levels of state of charge; (b) measuring the voltage across the terminals of the battery during this charging or discharging; (c) evaluating the time derivative of the voltage; (d) detecting at least one particular point of this derivative corresponding to a known and predefined real value of state of charge, and (ii) resetting the estimation algorithm knowing the real value of state of charge at the given instant.

Abstract: Method for evaluating the state of charge of a battery including at least one phase of estimating the state of charge of the battery by an estimation algorithm and at least one phase of resetting of the estimation algorithm implemented during the estimation phase, which includes (i) detecting a real value of a state of charge of the battery at an instant, by (a) charging or discharging the battery, between first and second levels of state of charge; (b) measuring the voltage across the terminals of the battery during this charging or discharging; (c) evaluating the time derivative of the voltage; (d) detecting at least one particular point of this derivative corresponding to a known and predefined real value of state of charge, and (ii) resetting the estimation algorithm knowing the real value of state of charge at the given instant.

Abstract: The method for estimating a final state of energy SOEf of an electrochemical accumulator is carried out from a set of quadruplets of values relating to operating points of the electrochemical accumulator including power (P), temperature (T), state of energy (SOE) and remaining energy (En). Said method implementing at least one interpolation step.

Abstract: Method for determining the state of energy of an electrochemical accumulator, characterized in that it comprises the following steps: using a predetermined set of quadruplets of values relating to operating points of the electrochemical accumulator, reading (E101) a first state of energy SOE1 from a memory, measuring (E102) a temperature (T1), and a power (P1), representing the current operation of the accumulator, determining (E103), on the basis of the predetermined set of quadruplets, a slope of the remaining energy En in the accumulator as a function of the state of energy SOE of the accumulator, at a point representing the first state of energy SOE1, as a function of the measured temperature and measured power (T1, P1), determining (E104) a second state of energy SOE2 as a function of the determined slope, notably ? En ? SOE ? ? or ? ? ? SOE ? En , of the first state of energy SOE1, and an energy quantity (P·dt).