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What are the operating methods and power supply system standards for rack mounted UPS? Rack mounted UPS can provide reliable, completely stable and uninterrupted power supply for data centers, computer rooms and other fields. How does a rack mounted UPS work and operate based on the quality of the AC power supplied by the system? What are the standards for rack mounted UPS power supply systems? In this article, the editor will provide a detailed explanation.

1、 How does rack mounted UPS operate and work?

1. Normal operation

When the rack mounted UPS is working normally, the machine will convert AC power from the mains to DC power for use. It should be noted that abnormal mains power is not only a power outage, but also includes various situations such as voltage fluctuations, and UPS power supply can supply electricity in these situations.

2. Battery operation

How does the battery work? UPS power supply manufacturers state that when there is an abnormality in the mains power supply, industrial rack mounted UPS power supplies can convert the DC power stored in the battery into AC power, which is supplied by the battery to the inverter input energy and continues to supply power. We use lithium-ion batteries for energy storage, which have a longer usage time and lifespan than regular batteries.

3. Bypass operation

When the online 380V UPS power supply is overloaded or the inverter overheats, the rack mounted UPS power supply directly converts the inverter into a bypass output and supplies power directly from the mains.

4. Bypass maintenance

During UPS maintenance, the normal power supply to the load equipment is ensured through manual bypass. When the maintenance is completed, the rack mounted UPS will switch to normal operation.

2、 How to evaluate the quality standards of rack mounted UPS power supply systems?

1. Lightning protection and surge resistance functions

Lightning strikes, lightning strikes, and surges on the power grid pose a serious threat to rack mounted UPS systems and telecommunications networks. Without corresponding protective measures, it will cause damage to the UPS system and telecommunications network hardware and software. UPS should have protection circuits in this regard, and its indicators should comply with regulatory standards.

2. Strong overload capacity

Due to the fact that the computers, switches, and other loads in the computer room are rectifier loads, there is often a large transient surge current during startup. If the overload capacity of the rack mounted UPS is weak, it may cause the system to malfunction. Traditional dual conversion UPS and online interactive UPS can last for 10 minutes under 1.25 overload, and then switch to bypass power supply, while series parallel adjustable industrial UPS power supply can work for a long time under 1.20 overload.

3. Reliability

In the operation of industrial UPS power supply systems, it is not allowed to have any momentary power outage accidents, nor is it allowed to have a situation where ordinary mains power directly supplies power to users' loads through AC bypass. According to the current level of UPS preparation technology, the solution to this problem is to use a dual bus input+UPS redundant direct parallel power supply system+dual bus output+load automatic switching switch power supply method to achieve this goal. This is a highly fault-tolerant redundant power supply system that, as long as designed properly, can eliminate potential single point bottleneck faults that may occur in communication network power supply systems.

4. Quality stability of the product

Because rack mounted UPS is designed for security purposes, its stability is of utmost importance. If the product quality is good, do not frequently carry out repairs and maintenance, and the service life will be longer, saving costs. Quality can determine which brand of products you will choose.

Rack mounted UPS uses lithium-ion batteries as backup energy storage, with high efficiency and strong environmental performance, designed for the new generation of smart data centers. The rack mounted installation method is widely applicable to power supply application scenarios such as distributed data centers, load limited data centers, phased deployment data centers, rapid deployment data centers, and integrated cabinets. It is highly trusted and loved by users in terms of reliability, safety, and stability.

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