| 摘要 |
A method of sustaining a production of power. The method including: initiating a reserve power source of two or more reserve power sources upon a predetermined event; storing at least a portion of a supply of electrical energy from the reserve power source in at least one electrical energy storage device; and repeating the initiating for another reserve power source of the two or more reserve power sources upon determining that the electrical energy stored in the at least one electrical energy storage device is less than a predetermined value.
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