Moteurs Leroy-somer

Samuel Moser

Jean-Marie Andrejak

Patrice Betge

Vincent Morisseau

Jeremy Fratani

Jean-Francois Paillou

Jérémy Fratani

Jean-François Paillou

Method for regulating a bank of alternators comprising at least two alternators that deliver their output in parallel to a load (C), said alternators each being provided with a regulator () that is configured to deliver an output signal representative of the reactive power level of the corresponding alternator divided by its nominal reactive power, and a control law allowing the reactive power level of the alternator to be modified depending on an input signal, method wherein a weighted signal employed as the input signal of these regulators is generated from the output signals representative of the reactive power level of each of the alternators, i.e. the signals delivered by the corresponding regulators, so as to make each of the alternators converge to a predefined reactive power level (T).

Method for regulating paralleled alternators in order to distribute reactive load

An electronic device, in particular an alternator regulator, comprising a power stage to be connected to an inductive load, in particular to an alternator inductor, comprising at least one first pair of power transistors connected to a terminal of a DC bus, and a control circuit for said transistors, the transistors being disposed in parallel between said terminal of the DC bus and a first output to be connected to the load, at least one flyback diode connecting the opposite terminal of the DC bus to the first output, the control circuit being designed to generate a pulsed control signal for regulating the current in the load and for detecting a failure of one of the transistors, the control circuit being designed, during normal operation, to send the control signal to one of the transistors of the first pair, while maintaining the other transistor of said pair in an off-state.

Electronic device, in particular an alternator regulator, and method for regulating such a device

The invention concerns a method for regulating the injection of fuel into a heat engine of a generator set including an alternator driven by the heat engine, the alternator including a voltage regulator, the heat engine including a speed regulator having an inlet that can receive an external speed setpoint, the method including the following steps: detecting a variation in torque and kinetic energy from electrical measurements on the alternator, carrying out an action on the input of the setpoint of the voltage regulator and/or the speed regulator, on the basis of the magnitude of the variation in torque relative to the kinetic energy level.

Method for regulating a generator set

The invention relates to a method for regulating the output voltage of the alternator of a generator set, said generator set including a heat engine driving the alternator, the alternator including a rotor having a pole wheel. Said method includes the following step: detection of an increase in the power at the outlet of the alternator, and in the event of a detected increase, the value of the current in the polar wheel is modified in such a way as to temporarily bring the output voltage of the alternator to a value lower than the value before the detection of the increase in power, with the aim of decreasing the level of torque required from the heat engine.

A method for regulating the output voltage of the alternator of a generator set, the generator set including a heat engine driving the alternator and the alternator including a rotor having a pole wheel. The method includes the following step: modifying the current in the pole wheel, at least during an increase in the load at the outlet of the alternator, in such a way as to bring the output voltage of the alternator to a value lower than the value before the increase in the load, the modification of the current in the pole wheel depending on the deceleration of the heat engine.

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Gond-Pontouvre, France

Samuel Moser