Assertion: alternator | /r/CapableOf | produce necessary current
Facets:
value: to maintain the target voltage
type: PURPOSE
Source sentences:
text: If you have an alternator that can produce 120 amps of current (max) and the the total current demand from the electrical accessories (including the battery) is only 20 amps, the alternator will only produce the necessary current (20 amps) to maintain the target voltage (which is determined by the alternator's internal voltage regulator).