Summary
This series of high frequency charger has high conversion efficiency, stable voltage, high steady current precision and advanced transient response index, smooth output current waveform and small ripple. In addition, due to the use of high frequency switching technology, the power has the characteristics of power saving, easy control, wide range adjustable, small size and light weight.
Working principle
The charger is mainly composed of a rectifying & filtering circuit, a high-frequency switching conversion circuit, a PWM control circuit, an output rectifying & filtering circuit, a reverse protection circuit, a voltage stabilization & limit circuit,a current stabilization & limit circuit, a protection circuit and an 12V auxiliary power supply circuit. In addition,the charger has CAN-BUS communication function.
l Battery reversed connection protection
When the battery is not connected or reversed, the charger shuts down and displays the error code.
l Short circuit protection
When the output of charger is short circuited,the charger is shut down and displays the error code .
l Input under-voltage/phase-loss protection
When the input voltage drops below the preset voltage or when there is a phase-loss, the output stops and the error code is displayed.
l Input over-voltage protection
When the input voltage exceeds the preset voltage, the output stops and the error code is displayed.
l Overheat protection
When the temperature of the charger exceeds the preset temperature,the output stops and the error code is displayed.
l Output over-voltage protection
When the output voltage exceeds the preset voltage,the charger is shut down and the error code is displayed
l BMS protection
When there is excessive deviation between charger and BMS current/voltage sampling, error code displays.
l Battery full protection
When there is over-current, over-voltage, overheat or sampling wire of voltage broken, error code displays.
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