| Details |
| Document Number: |
AIR4651 |
| Revision Number: |
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| Title |
| Effects of No-Break Power Transfer on 400 Hz Auxiliary-Power Units and Ground-Power Units |
| Scope |
| This SAE Aerospace Information Report (AIR) describes the characteristics and effects of using no-break power transfer (NBPT) methods when switching between auxiliary-power unit (APU) and ground-power unit (GPU). The GPU may be: a) point-of-use solid-state frequency converter, engine-generator, or motor- generator or b) central system powered by motor-generator or solid-state frequency converter. |
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