INITIAL TEST RESULTS FOR THE FAN SHAFT DRIVEN GENERATOR

摘要

The Fan Shaft Driven Generator system has been studied as part of future More Electric Aircraft concept. The generator is mounted on the engine fan shaft in the tail cone and driven via a step-up gearbox. The power electronics unit is mounted on the fan case. It generates supplementary emergency power in an engine flame out condition as well as providing electrical power in normal engine operation. The requirement for wide operating speed range makes the design and control of the generator challenging. Prototype 150kW, 350Vdc Switched Reluctance generator systems were built and tested. Initial tests results confirmed the validity of the technology and stable operation both in steady and transient conditions.