The power supply time of UPS uninterrupted power supply is not infinite, and this time is influenced by factors such as the size of the battery’s stored energy, load size, environmental temperature, and battery discharge cut-off voltage. Generally speaking, the UPS uninterrupted power supply for small household computers can last for about 20 minutes. Large dry-watt grade UPS can be equipped with a battery pack according to requirements, with a power supply time of more than 1 hour, and some can even supply power for 10 hours. How long the UPS uninterrupted power supply can last depends on the actual situation. Generally, UPS uninterruptible power supply manufacturers will increase the power and emergency time based on consumer requirements, This not only ensures that negative numbers can start safely and smoothly, but also ensures more backup time. If there is an AC power outage, during the valuable time of UPS battery power supply, what users need to do is to quickly restore AC power, such as enabling backup AC power circuit and oil engine power generation. If this is not feasible, they can only save the data urgently, save the labor results, and wait for AC power to return to normal before continuing.
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Basic characteristics of SPWM inverter
The core characteristics of SPWM inverters are reflected in the following aspects: Simplified control structure: The main circuit of this type of inverter usually only…
稳压器的基本原理
稳压器的基本原理是通过负反馈控制,对输入电压进行采样、比较和调整,自动调整线圈匝数比或改变开关电源的占空比等,从而保持输出电压的稳定。以下是其具体介绍: 组成部分 稳压器通常由调压电路、整流电路、滤波电路、控制电路及伺服电机等组成。 工作过程 不同类型稳压器原理