Power supply and operating method thereof

The present technology relates to a power supply and a method of operating the same. The power supply includes: a main power supply configured to receive external power and output a charging voltage and main power; and an auxiliary power supply including a capacitor array configured to charge auxiliary power using the charging voltage and output the auxiliary power. The auxiliary power supply is configured to periodically repeat a discharging operation and an additional charging operation on the capacitor array when charging of the capacitor array is started. 本技术涉及一种电源及其操作方法。电源包括：主电源，被配置为接收外部电力并且输出充电电压和主电力；以及辅助电源，包括被配置为使用充电电压对辅助电力进行充电并且输出辅助电力的电容器阵列。辅助电源被配置为在开始对电容器阵列充电时周期性地重复对电容器阵列的放电操作和附加充电操作。