Correlation analysis of starting state and peak current of autonomous starting turbine starter in plateau environment

高原自主起动涡轮起动机起动状态和尖峰电流关联分析

¹ Aviation Engineering School, Air Force Engineering University, Xi'an 710038, China
² School of Automation, Northwestern Polytechnical University, Xi'an 710072, China

Received: 19 September 2024

Abstract

The autonomous starting engine with airborne battery is an important means to ensure the rapid dispatch of the aircraft, and it is particularly difficult to start the aircraft in the plateau environment of low air pressure and low oxygen content. The peak current generated by the autonomous starting state can reflect the status of the gas turbine starter, effectively analyze the discharge performance of the airborne battery, and judge whether the autonomous starting is successful based on this, which has important research significance. In this paper, the equivalent circuit model of the autonomous starting engine with airborne battery is established, and the influence of the starting state of the turbine starter on the transient peak current of the autonomous starting is analyzed. Then the mechanism of judging the success or failure of turbine starter is obtained according to the peak transient current of the airborne battery. Finally, the actual loading test has carried out on the plateau to verify the validity of the theoretical analysis.

摘要

机载蓄电池自主起动发动机是保证飞机快速出动的重要手段, 而在高原低气压、低含氧量环境下, 飞机自主起动尤为困难。自主起动瞬态产生的尖峰电流能够反映燃气涡轮起动机状态, 分析机载蓄电池的放电性能, 并依此判断能否成功自主起动, 具有重要的研究意义。通过建立机载蓄电池自主起动发动机的等效电路模型, 分析涡轮起动机的起动状态对自主起动尖峰瞬态电流的影响; 根据机载蓄电池的尖峰瞬态电流得到了判断涡轮起动机起动成功或失败的机理; 在高原上进行了机上实装试验, 验证了理论分析的有效性。