The invention discloses a three-engine/double-engine configuration helicopter engine power balancing method and device. According to the method, balancing is achieved through an engine power control system. The method comprises the steps that a cockpit power balancing switch is in a torque balancing gear in a default mode; when a pilot observes that the engines work, the difference value of the gas turbine outlet temperatures ITT of the two engines or the three engines is smaller than a preset temperature threshold value, and the percentage difference value of Ng is smaller than a preset rotating speed threshold value, a cockpit power balancing switch is not operated, and the current torque balancing state is kept; when a pilot observes that the ITT difference value between the different engines is larger than a preset temperature threshold value and the NG percentage difference value is larger than a preset rotating speed threshold value, it is considered that the performance difference between the different engines is large, and a cockpit power trimming switch is manually switched to an Ng trimming gear; and after the engine electronic controller receives the Ng trimming gear information, Ng trimming is carried out.
本发明公开了一种三发/双发构型直升机发动机功率配平方法及装置,该方法利用发动机功率控制系统实现配平;所述方法包括:驾驶舱功率配平开关默认处于扭矩配平档位;当飞行员观察发动机工作时,两台发动机/三台发动机之间的燃气涡轮出口温度ITT的差值小于预设温度阈值,Ng的百分比差值小于预设转速阈值时,不操纵驾驶舱功率配平开关,保持当前的扭矩配平状态;当飞行员观察不同发动机之间的ITT差值大于预设温度阈值时,NG百分比差值大于预设转速阈值时,认为不同发动机之间的性能差异较大,则通过手动切换驾驶舱功率配平开关至Ng配平档位;发动机电子控制器接收到Ng配平档位信息后,进行Ng配平。
Three-engine/double-engine configuration helicopter engine power balancing method
一种三发/双发构型直升机发动机功率配平方法
2024-01-12
Patent
Electronic Resource
Chinese
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