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Aug 04,2020

12V 80AH battery: UPS battery sizing

What determines the length of UPS standby time?

It is determined by the energy storage device of UPS. Nowadays, UPS generally uses a fully sealed, maintenance-free lead-acid battery as the energy storage device. The size of the battery capacity is reflected by the indicator "Ampere hour (AH)". The time for the specified current to discharge. The battery with the same voltage has a large capacity with a large ampere-hour; the battery with the same ampere-hour has a large capacity with a high voltage. The battery capacity is usually expressed by the voltage and the ampere-hour, such as 12V/7AH, 12V/24AH, 12V/ 65AH, 12V/100AH.

 12V 80AH battery

Backup UPSs generally have built-in 4AH or 7AH batteries, and their standby time is fixed; online and online interactive UPSs have standard models with built-in 7AH batteries and long-term models with external large-capacity batteries. Users can follow their needs The backup time realized depends on how large a battery is equipped.

 

The battery is an important part of UPS, occupying a large proportion of value, and its quality is directly related to the normal use of UPS, so you should carefully choose genuine batteries with quality assurance(Mini Offline Ups Power Supply: UPS Battery Manufacturers).

 

The UPS battery cabinet can store the batteries safely and beautifully, and save space. The distribution cabinet configured for the UPS is generally used for UPS output distribution, so the UPS distribution box is generally a UPS output distribution box. It can control power distribution units, rack-mounted power distribution units, and central power distribution, which can be easily managed.

12V 80AH battery: UPS battery sizing

UPS input and output power distribution cabinet, which includes the input power distribution cabinet, UPS, and output power distribution cabinet. The output is input into UPS by cable. After the UPS is aligned and stored, it becomes a stable three-phase electric output. This output passes through the output power distribution cabinet through the cable. Output to external load for power supply. UPS battery cabinets are also beautiful and fashionable, which can also play a certain role in saving space.

 

Although the UPS battery cabinet plays a very important role in the protection of the computer, it should not be used in a closed space during use, and there should be no fire or heating elements around the use, which will increase a lot during use. Safety hazards.

 Lead Acid solar UPS battery

Lead Acid solar UPS battery


UPS battery cabinet adopts all-metal components, compact and reasonable structure, good ventilation performance, fast heat dissipation, high mechanical performance, large carrying capacity, and good fire resistance. Beautiful appearance and easy assembly. The sustainable power provided by the UPS battery cabinet is more conducive to the protection of computers and a variety of electrical equipment and meets the changing operating environment of the data center.

What are the types of UPS?

UPS is divided into three categories: backup type, online type, and online interactive type according to the working principle:

 

Backup UPS is our most commonly used. It has the most basic and important functions of UPS such as automatic voltage stabilization and power failure protection. Although there is generally a conversion time of about 10ms, the AC output from the inverter is a square wave instead of a sine wave. , But because of its simple structure, low price, and high reliability, it is widely used in microcomputers, peripherals, POS machines, and other fields;

 

The online UPS structure is more complex, but its performance is perfect, and it can solve all power problems. Its distinctive feature is that it can output pure sine wave AC power without interruption, and can solve all power problems such as spikes, surges, and frequency drift. Large investment, usually used in critical equipment and network centers, etc., where power requirements are demanding;

 

On-line interactive UPS is often referred to as interactive UPS in some standards(Line-interactive UPS: the difference between offline UPS and online UPS). It is a product between on-line and backup. The prototype of this circuit has only a bidirectional converter that can both charge and reverse. When supplying power from the mains, the bidirectional converter charges the battery on the one hand and generates a stable compensation voltage, on the other hand, to compensate for the ratio of the input voltage to stabilize the output voltage within a certain range.

 

So what is the meaning of the interaction? The so-called interactive interaction with more than one voltage, one voltage cannot interact, so here the interaction between the mains input voltage and the compensation voltage, the relationship is expressed as mains output voltage = mains input Voltage ± compensation voltage.