INTEGRATED DRIVE GENERATOR

摘要

This invention relates to an integrated drive generator having a constant speed drive, the input of which is adapted to be coupled to a prime mover. The output of the constant speed drive is coupled to a permanent generator (PMG) and an overrunning clutch is located between the PMG and the constant speed drive. A signal is generated with a frequency proportional to the output speed of the constant speed drive. If the speed of the constant speed drive drops below a minimum speed, the excitation voltage is disconnected from the generator and the overrunning clutch mechanically disconnects the constant speed drive from the generator.