The serial group of lead-acid batteries is used because the quantity is much higher. It requires daily inspection operations, which can be tested and maintained according to the following method. Understand the working characteristics of the lead-acid battery pack, which can make the battery life longer. Avoid additional service costs:1, maintain a suitable ambient temperature
According to test assay, once the ambient temperature exceeds 25 ¡ã C, each liter is 10 ¡ã C, the life of the Panasonic battery will be shortened. Currently, the battery used by the UPS power supply is generally maintenance-free sealed lead-acid battery, and the design life is generally 5-10 years, which can be achieved in the environment required by Panasonic Battery manufacturers. Without the prescribed environmental requirements, the length of its life is very different. In addition, the ambient temperature increases, causing chemical activity in the battery, thereby producing a large amount of thermal energy, which will increase the surrounding ambient temperature, which speeds up the life of the battery.
2, regular charging and discharge usually, factors affecting battery life is ambient temperature. The ambient temperature required by the general battery manufacturer is between 20-25 ¡ã C. Although the temperature rise is also improved accordingly on the battery's discharge capacity, the cost of paying is a battery greatly shortening life.
The battery is used in the UPS power supply for a long time in a floating state. It will lead to decreased the activity of battery chemical energy and electrical energy conversion, and the aerial life of accelerated product is shortened. Therefore, it is generally discharged once every 2-3 months, and the discharge time can be determined according to the capacity of the battery and the load size. After the full load is complete, it is charged more than 8 hours according to the regulations. The floating voltage and discharge voltage in the UPS power supply are debugged to the rated value during the factory, and the size of the discharge current increases with the increase of the load, and the load should be calculated, such as controlling microcomputer and other electronic devices. The number of users is used. In general, the load should not exceed 80% of the rated load of the UPS unit. Within this range, the discharge current of the battery does not excessively discharge.
3, use communication function
Currently, most, large and medium-sized UPS have operational performance such as computer communications and program control. Install the appropriate software on your computer, connect the UPS through the string / parallel port, run the program, you can communicate with the UPS. Generally have functions such as information query, parameter setting, timing setting, automatic shutdown, and alarm. Through the information query, you can get information on the mains input voltage, UPS output voltage, load utilization, battery capacity utilization, temperature and market frequency; through technical parameter settings, the basic characteristics of the UPS power supply can be set, the battery can be maintained Time and battery are about to deplete the alert. Through these intelligent operations, it is convenient to manage the UPS power supply and its battery usage.
4, timely replacement of problems
When a certain / some batteries in the battery pack are damaged, the maintenance personnel should check each battery to exclude damaged batteries. At present, the number of batteries equipped with large and medium-sized UPS power supplies, from 3 to 80, or even more. These single batteries constitute a battery pack through a circuit connection to meet the needs of UPS DC power. When replacing new batteries, you should strive to purchase a battery with a model of the same model, prohibiting an anti-acid battery and a sealing battery, a battery of different specifications. In the continuous operation of the UPS power supply, due to performance and quality, individual battery performance decreases, and the storage capacity does not reach the requirements and damage is inevitable.
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