The main difference between online UPS uninterruptible power supply and backup UPS backup power supp

Online UPS and backup UPS are two common uninterruptible power supply devices. They have some differences in battery power supply mode, response time, reliability and applicable scenarios. Here CNKHZ will compare the main differences between online UPS and backup UPS in detail.

1. Battery power supply mode:

The main feature of online UPS is that the battery is always in a charging state and provides power. When the input power fails, the system can immediately switch to battery power mode to ensure continuous power supply for the equipment.

The battery of the backup UPS is in standby mode and will only switch to battery power mode when the input power fails.

2. Response time:

The response time of online UPS is very short, usually within a few milliseconds, which means that the equipment can recover immediately from the input power failure.

The response time of the backup UPS is relatively long, usually between tens of milliseconds and hundreds of milliseconds, because the backup UPS needs to switch to battery power mode when the input power fails.

3. Reliability:

When the online UPS is in working state, the equipment completes power switching through electronic components such as current stabilizers, inverters, and static switches. Therefore, when a fault occurs, the switching is very reliable.

Before switching to battery power mode, the backup UPS backup power supply needs to complete a series of operations, such as power detection and switching. These operations may increase the number of faults during the switching process due to equipment failure, power interference, etc.

4. Applicable scenarios:

The online UPS is suitable for scenarios with extremely high requirements for power supply reliability, such as hospitals, laboratories, data centers, etc. Since the online UPS has a very short response time and high switching reliability, it can seamlessly provide stable power to the equipment when a power failure occurs, avoiding equipment interruption.

The backup UPS is suitable for scenarios with low requirements for power supply reliability, such as office buildings, home offices, etc., and may cause power interruptions due to its relatively long response time.

5. Functional expansion:

Online UPS uninterruptible power supplies often have more protection functions and expansion options, such as overload protection, short circuit protection, voltage regulation, etc., so that the equipment can better cope with unstable power supply.

Backup UPS backup power supplies usually only provide basic UPS functions, such as switching and battery power supply when the input power fails.

6. Energy efficiency:

Since the online UPS uninterruptible power supply is always in a charging state, its battery charging efficiency is relatively high, and it can make better use of electrical energy.

The battery of the backup UPS backup power supply only needs to be charged when the input power fails, and the battery charging efficiency is relatively low.

In summary, there are obvious differences between online UPS uninterruptible power supplies and backup UPS backup power supplies in terms of battery power supply mode, response time, reliability, applicable scenarios, functional expansion and energy efficiency. When choosing a UPS device, you need to choose the appropriate type according to actual needs and scenarios to ensure that the device can provide reliable power protection in the event of power failure or power fluctuations.