Lesson 1/Learning Event 1
The complete generator regulator does three jobs: When the generator is not charging, it
disconnects the battery from the generator by the use of the circuit breaker; it prevents the
generator from producing current above its rated output through the use of a current regulator; and
it uses the voltage regulator to protect the battery and electrical components by keeping the voltage
from going beyond a safe limit.
The generator regulator we are going to discuss contains three units.
Circuit Breaker
This unit (also called cutout relay and reverse current relay) acts as an automatic switch that
completes the circuit from the generator to the battery when the generator is charging, and it opens
the circuit when it is not. This last action prevents the battery from discharging through the
generator when the generator is not charging.
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