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Three-phase Car Charger

In recent years, the widespread use of charger in electric vehicles is the so-called three-phase car charger.

The first phase is called constant-current phase; the second stage is called constant voltage phase; and the third phase is called phase trickle. From the perspective of electronic technology for the batteries: the first phase is called phase charging current limiting; the second phase is called the high pressure phase; the third stage is called a low constant voltage phase, which is more appropriate. As to transition of Phase II and Phase III, the indicator light panels correspondently take changes. The first and second stages of the majority of car chargers are red lights, while a green light appears in the third phase. The mutual conversion of Phase II and Phase III is the decision of the charge current. This current is called the conversion current, which is also called the current turning point.