VOLTAGE STABILIZING DEVICE AND VOLTAGE STABILIZING METHOD FOR BATTERY CHARGING CIRCUIT AND BATTERY CHARGING SYSTEM INCLUDING THE VOLTAGE STABILIZING DEVICE

摘要

A voltage comparator for comparing the difference between the voltage of the DC microgrid and the discharge voltage of the battery, at least one additional DC-DC converter connected between the DC microgrid and the battery, at least one additional DC- DC converter according to the control signal, and at least one additional DC-DC converter is connected or bypassed between the DC-DC converter and the AC-DC converter included in the DC micro-grid according to the control signal It is possible to provide a voltage stabilizing device for a battery discharge circuit including at least one switch.