Electrical architecture for controlling converters and aircraft comprising the architecture
An electrical architecture for controlling inverters and to an aircraft includes the architecture. The electrical architecture comprises: a plurality of converters capable of operating independently of one another, each converter being intended to power a charge, associated with each converter/charge pair: a charging loop, comprising at least one sensor measuring a parameter that is characteristic of the operation of the charge, an operation control module, receiving an operation setpoint of the charge and information originating from the operation sensor, the operation control module controlling a current setpoint of the considered converter so that the information originating from the operation sensor follows the operation setpoint. The operation control module is common to the converters.
1. An electrical architecture, comprising:
a plurality of converters operating independently of one another, each converter powering a different load, the loads powered by the plurality of converters being separate from one another,
associated with each converter/load pair: a charging loop, comprising at least one operation sensor measuring a parameter that is characteristic of an operation of the load, an operation control module, receiving an operation setpoint of the load and information originating from the at least one operation sensor, the operation control module controlling a current setpoint of the considered converter so that the information originating from the at least one operation sensor follows the operation setpoint,
associated with each converter: a current loop, comprising at least one current sensor measuring an output current of the considered converter, a current control module, receiving the current setpoint and information originating from the at least one current sensor and delivering an opening and closing duty cycle for electronic switches belonging to the considered converter, the current control module controlling the duty cycle so that information originating from the at least one current sensor follows the current setpoint,
a control module that is common to all of the plurality of converters and comprising the operation control modules and the current control modules of all of the plurality of converters.
2. The electrical architecture according to claim 1 , wherein the operation control module comprises a memory allowing storage of a plurality of control rules, each adapted to the operation of one of the plurality of converters.
3. The electrical architecture according to claim 2 , wherein the memory is configured to store a charge curve adapted to a battery forming the load associated with the converter.
4. The electrical architecture according to claim 2 , wherein the memory is configured to store a torque/speed curve adapted to start an electric motor forming the load associated with the converter.
5. The electrical architecture according to claim 2 , wherein the memory is configured to store operation data for controlled switches and/or for the associated load.
6. The electrical architecture according to claim 1 , wherein the control module that is common to the plurality of converters comprises a real-time operating system enabling separation of channels associated with each of the plurality of converters.
7. The electrical architecture according to claim 1 , further comprising a pulse width modulator that is common to the plurality of converters, receiving a duty cycle and delivering binary commands to the plurality of converters for opening and closing electronic switches of the plurality of converters, and wherein the control module that is common to the plurality of converters further comprises the pulse width modulator.
8. The electrical architecture according to claim 7 , further comprising, associated with each converter, a switch control module, called close control module, receiving the binary commands and implementing current and voltage adaptation of the binary commands in order to generate signals adapted to the electronic switches.
9. The electrical architecture according to claim 8 , wherein a link connecting the control module and the close control modules is provided by means of optical fibres.
10. The electrical architecture according to claim 1 , wherein the control module that is common to all of the plurality of converters is disposed in a case, and wherein the plurality of converters are each disposed in a second case that is distinct from the case containing the operation control module.
11. The electrical architecture according to claim 7 , wherein the control module that is common to all of the plurality of converters is disposed in a case, and wherein the plurality of converters are each disposed in a second case that is distinct from the case containing the operation control module.
12. The electrical architecture according to claim 1 , further comprising at least one contactor distinct from the plurality of converters, and wherein the operation control module controls the contactor.
13. The electrical architecture according to claim 1 , wherein the separation comprises each of the plurality of converters being in a different case.
14. An aircraft, comprising an electrical architecture, which comprises:
a plurality of converters operating independently of one another, each converter powering a different load, the loads powered by the plurality of converters being separate from one another,
associated with each converter/load pair: a charging loop, comprising at least one operation sensor measuring a parameter that is characteristic of an operation of the load, an operation control module, receiving an operation setpoint of the load and information originating from the at least one operation sensor, the operation control module controlling a current setpoint of the considered converter so that the information originating from the at least one operation sensor follows the operation setpoint,
associated with each converter: a current loop, comprising at least one current sensor measuring an output current of the considered converter, a current control module, receiving the current setpoint and information originating from the at least one current sensor and delivering an opening and closing duty cycle for electronic switches belonging to the considered converter, the current control module controlling the duty cycle so that information originating from the at least one current sensor follows the current setpoint,
a control module that is common to all of the plurality of converters and comprising the operation control modules and the current control modules of all of the plurality of converters,
wherein the control module that is common to all of the plurality of converters is disposed in a pressurized zone of the aircraft and wherein at least one of the plurality of converters is disposed in a non-pressurized zone of the aircraft.