Difference comparison of UPS batteries and EPS batteriesEPS is a fire emergency power supply, UPS is uninterruptible power supply, from the literal mean, the two are different, but the battery used is consistent, the UPS power supply and EPS power supply use lead-acid-free maintenance battery, but also the battery The group inverter voltage scheme is the same, the battery is generally 12V series * more. This article is small to tell you that the EPS and the UPS battery are different.
UPS power supply with EPS Differences on the battery of the battery?
The UPS power supply requires the optional battery performance to be fully stable, and there is a relatively high service life of the battery life. EPS fire emergency power supply also has certain requirements for performance, but focusing on the depth discharge of the battery.
The UPS power supply is substantially only for the battery pack. The power supply of the EPS power supply is focused on the condition of the battery pack, which is more complete, because the requirements for the battery pack for each battery. .
The UPS battery spare time is between several minutes and more than ten hours, the alternate time of the EPS power supply is generally 60-120 minutes, and longer is less time.
What is the difference between the UPS battery and the EPS battery?
1, the meaning of the meaning
The UPS is uninterruptible, is to connect the battery (mostly lead-acid-free maintenance storage) to the host, and the direct current is converted into a commercial system device. EPS is an emergency power supply, which is an important building in today's important buildings. In order to emergency lighting, accident lighting, fire protection facilities, an emergency power supply.
2, the components are different
The UPS battery system consists of five parts: main road, bypass, battery and other power input circuits, rectifier (REC) for AC / DC transformation, inverter (INV), inverter and bypass output for DC / AC transformation Change circuitry and storage battery.
The EPS battery is mainly composed of an input unit, an output unit, a charging module, a battery pack, an inverter, a monitor, an output switching device, and the like, which can provide emergency power supply in an emergency state.
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3, switch time difference
The UPS battery power mode requires a short switch time (0 ~ 10ms), and the EPS emergency power supply is relatively wide (0 ~ 4S).
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4, different applications
In China, the EPS power supply is mainly used in the fire industry electrical equipment, emphasizing the ability to sustain power. UPS power storage is generally used in precision instrument loads (such as IT industry equipment such as computers, servers), requires high supply quality, emphasize inverting switching time, output voltage, frequency stability, output wave type, etc.
5, function different
The EPS power supply battery has a continuous power supply function, which is generally not high for inverter switching time, and the application of special occasions has certain requirements, and has multiple outputs and has a monitoring detection function for each output and a single battery. The daily focus on bypass supply, and the market is turned to the inverter power supply, and the electric energy utilization is high.
UPS batteries are only one way in online, which generally emphasizes its three functions: regulator, the switching time requires extremely high uninterruptible power supply, which can be purified. Double-transform circuitry, inverter failure or overload is converted to bypass power supply, inverter failure or overload.
6, the structure is different
EPS power storage battery inverter redundancy is large, and the offline cabinet and outfit cabinet are inside the EPS, and the motor load is started. Case and wire have flame retardant measures, there are multiple mutual remembers, and can be linked to fire.
The UPS power battery inverter redundancy is relatively small, unrelated to fire, no flame retardation, no king. The UPS power load is a capacitive load. The main belt device is generally a computer, mainly used in large machine rooms to ensure uninterrupted power supply and regulation.
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7, the price is different
Many EPS brands are often small as a small workshop. Since its internal structure is simple, the price is cheap, it does not cost it, it is usually thousands of yuan. There are only a few big companies that UPS can do, including many listed companies. It is high for internal structures or even components. In addition to the factory price, the UPS battery is also amazing. Each company's maintenance fee for UPS is often tens of thousands each year.
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