Anti-beating method based on generator controller of aircraft power supply system

Abstract

The invention provides an anti-beating method based on a generator controller of an aircraft power supply system. A working voltage 28V of the generator controller and a generator rotating speed valueare collected by hardware, whether the controller is normally powered off is judged in software, if the controller is not normally powered off, a fault symbol and a fault code are set, and the powersupply system is prohibited from generating power and importing the power into a grid during the next power-on, thereby effectively solving the problem of beating of a main contactor caused by the power supply instability in the prior art and improving the safety and reliability of the power supply system.

Description

technical field [0001] The invention relates to the field of safety and reliability design of an aviation power generator controller, in particular to an anti-lapping method based on the generator controller of an aviation power system. Background technique [0002] With the development of aviation technology, electric energy will gradually replace the original hydraulic energy and air pressure energy on the aircraft, becoming the only secondary energy source, and finally realize the goal of multi-electric aircraft and even all-electric aircraft, so it is used as the main source of power for each load on the aircraft , the safety and reliability of the power system is particularly important. Since the power supply system on the aircraft supplies electric energy to the loads on the aircraft by turning on the main contactor, it is necessary to ensure the reliable connection of the main contactor to avoid clapping. Therefore, the generator controller, which is the control core...

AI Technical Summary

Problems solved by technology

[0005] 2. The 28V voltage supplied to the driving coil of the main contactor is unstable. When the voltage fluctuates around the operating voltage of the main contactor coil at 18V, that is, when the voltage drops below 18V, it may cause the main contactor coil to have insufficient driving capacity, resulting in The main contactor is disconnected; when the voltage returns to above 18V, the operating voltage of the main contactor coil is satisfied, and the main contactor is pulled in; at this time, the main contactor will be snapped.

[0006] Therefore, in the prior art, in view of the above two situations, it is impossible to effectively prevent the occurrence of the main contactor clapping phenomenon, which in turn causes damage to the electrical equipment

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