US-12627247-B2 - Method for the voltage protection of a multi-source electrical system

US12627247B2US 12627247 B2US12627247 B2US 12627247B2US-12627247-B2

Abstract

A method includes receiving an operating setpoint for an electrical power source, receiving a measurement of a voltage of an electrical bus connecting the electrical power source to an electrical receiver, comparing the measurement of the voltage with a template having limits of change over time for the voltage, and controlling the electrical power source such that if the measurement of the voltage lies within the limits of the template, the electrical power source applies the operating setpoint, and if the measurement of the voltage lies outside the limits of the template, the electrical power source regulates the voltage so as to restore the voltage to within the limits of the template. The method is implemented by a controller of the electrical power source.

Inventors

Florent ROUGIER
Victor Dos Santos
Anne Marie LIENHARDT

Assignees

SAFRAN

Dates

Publication Date: 20260512
Application Date: 20221208
Priority Date: 20211210

Claims (7)

1 . A method comprising: receiving an operation instruction for an electrical power source of an electrical system; receiving an upper limit and a lower limit for an evolution over time of a voltage of an electrical bus of the electrical system when the electrical system operates, wherein the electrical bus connects the electrical power source to an electrical receiver of the electrical system, and wherein the upper limit is higher than the lower limit; receiving a measurement of a voltage; based on the received measurement of the voltage being lower than the received lower limit, controlling the electrical power source such that the electrical power source regulates the voltage until the evolution over time of the voltage lies within the received upper limit and the received lower limit; based on the received measurement of the voltage being higher than the received lower limit and lower than the received upper limit, controlling the electrical power source such that the electrical power source applies the received operation instruction; and based on the received measurement of the voltage being higher than the received upper limit, controlling the electrical power source such that the electrical power source regulates the voltage until the evolution over time of the voltage lies within the received upper limit and the received lower limit, wherein the method is implemented by a controller of the electrical power source.
2 . The method of claim 1 , wherein the electrical power source regulates the voltage by injecting an electric power onto the electrical bus.
3 . The method of claim 1 , wherein the electrical power source regulates the voltage by extracting an electric power from the electrical bus.
4 . The method of claim 1 , wherein the operation instruction is received from a control device of the electrical system, the method further comprising a step of informing to the control device whether the electrical power source has applied the operation instruction or not.
5 . A method comprising: receiving a first operation instruction for a first electrical power source of an electrical system; receiving a second operation instruction for a second electrical power source of the electrical system; receiving a first upper limit, a second upper limit, a first lower limit and a second lower limit for an evolution over time of a voltage of an electrical bus of the electrical system when the electrical system operates, wherein the electrical bus connects the first electrical power source and the second electrical power source to an electrical receiver of the electrical system, and wherein the first upper limit is higher than the first lower limit, wherein the second upper limit is higher than the second lower limit, and wherein at least one of the first upper limit and the first lower limit is distinct from the second upper limit and the second lower limit, respectively; receiving a measurement of the voltage; based on the received measurement of the voltage being lower than the received first lower limit, controlling the first electrical power source by a first controller of the first electrical power source such that the first electrical power source regulates the voltage until the evolution over time of the voltage lies within the received first upper limit and the received first lower limit; based on the received measurement of the voltage being higher than the received first lower limit and lower than the received first upper limit, controlling the first electrical power source by the first controller such that the first electrical power source applies the received first operation instruction; and based on the received measurement of the voltage being higher than the received first upper limit, controlling the first electrical power source by the first controller such that the first electrical power source regulates the voltage until the evolution over time of the voltage lies within the received first upper limit and the received first lower limit; based on the received measurement of the voltage being lower than the received second lower limit, controlling the second electrical power source by a second controller of the second electrical power source such that the second electrical power source regulates the voltage until the evolution over time of the voltage lies within the received second upper limit and the received second lower limit; based on the received measurement of the voltage being higher than the received second lower limit and lower than the received second upper limit, controlling the second electrical power source by the second controller such that the second electrical power source applies the received second operation instruction; and based on the received measurement of the voltage being higher than the received second upper limit, controlling the second electrical power source by the second controller such that the second electrical power source regulates the voltage until the evolution over time of the voltage lies within the received second upper limit and the received second lower limit.
6 . A non-transitory computer-readable medium with instructions stored thereon that, when executed by a processor of the controller of the electrical power source, implement the method of claim 1 .
7 . A non-transitory computer-readable medium with instructions stored thereon, that executes the method by a processor of the second controller claim 1 .

Description

CROSS REFERENCE TO RELATED APPLICATIONS This application is a National Stage of Application No. PCT/FR2022/052283 filed Dec. 8, 2022, claiming priority based on French Patent Application No. 2113313 filed Dec. 10, 2021, the contents of each of which being herein incorporated by reference in their entireties. FIELD OF THE INVENTION The present invention relates to the operating of an electrical system comprising an electrical bus connecting at least one electrical power source to an electrical receiver. PRIOR ART An electrical receiver is generally powered by an electrical power source via an electrical bus. However, the electrical bus may have a fault or the configuration thereof may change over time, and the electrical receiver may be disconnected from the electrical bus or, on the contrary, may cause an overload. Thereafter, the balance between the consumption of electric power by the electrical receiver, and the generation of electric power by the electrical power source, is perturbed. It follows that the stability of the voltage of the electrical bus may be jeopardized, which is likely to deteriorate the electrical power source, the electrical bus and/or the electrical receiver. DISCLOSURE OF THE INVENTION It is one objective of the invention to improve the operating of an electrical system wherein an electrical bus connects at least one electrical power source to an electrical receiver. For this purpose there is proposed, in one aspect of the invention, a method of controlling the voltage of an electrical bus connecting an electrical power source to an electrical receiver, the control method being implemented by a controller of the electrical power source and comprising the steps of: receiving an operating setpoint for the electrical power source;receiving a measurement of the voltage of the electrical bus;comparing the measurement of the voltage with a template having limits of change over time for the voltage;controlling the electrical power source so that it: applies the operating setpoint if the measurement of the voltage lies within the limits of the template, orregulates the voltage if the measurement of the voltage lies outside the limits of the template, so as to restore the voltage to within the limits of the template. Advantageously, but optionally, the control method of the invention may comprise at least one of the following characteristics, taken alone or in any combination thereof: the electrical power source regulates the voltage by injecting an electric power onto the electrical bus;the electrical power source regulates the voltage by extracting an electric power from the electrical bus;the operating setpoint is received from a control device of an electrical system comprising the electrical bus, the electrical power source and the electrical receiver, the control method further comprising a step of transmitting information to the control device concerning the application or non-application of the operating setpoint by the electrical power source; andthe electrical power source can have a status compatible with the regulation of the voltage or a status incompatible with the regulation of the voltage, the control method further comprising a step of determining the status of the electrical power source, and wherein, if the status of the electrical power source is determined to be incompatible with regulation of the voltage, the electrical power source applies the operating setpoint even if the measurement of the voltage lies outside the limits of the template. In another aspect of the invention, there is proposed a control method of the voltage of an electrical bus connecting a first electrical power source and a second electrical power source to an electrical receiver, the control method comprising: implementing the control method as previously described by a first controller of the first electrical power source, by means of a first template; andimplementing the control method as previously described by a second controller of the second electrical power source, by means of a second template; wherein the first template differs from the second template so that one and/or the other of the first electrical power source and the second electrical power source is selectively controlled for the purpose of regulation of the voltage. In another aspect of the invention, there is proposed a computer programme comprising instructions which, when the programme is executed on a computer, lead to implementation by the computer of the control method as previously described. In another aspect of the invention, there is proposed a computer-readable medium comprising instructions which, when executed by a computer, lead to implementation by the computer of the control method as previously described. In another aspect of the invention, there is proposed a controller of an electrical power source connected to an electrical receiver via an electrical bus, comprising a processor configured to implement