| 摘要 |
An electrical power supply system comprises an air-powered alternating current electrical generator in which pressurized air from a single source is used to drive an air turbine secured on the shaft of the alternating current electrical generator. One uncontrolled nozzle continuously directs air from the single source to the air turbine. At least a second controlled nozzle directs air from the single source. A solenoid-controlled shut-off valve is placed in a conduit between the source of compressed air and the second nozzle.
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