Sub-station

A few tips - battery maintenance

by:KEBO      2020-04-29
Generally speaking, the environment temperature is larger factors affecting the service life of batteries. The following is a battery maintenance three tips. Battery temperature 20 ℃ -- 25 ℃, this is the best environment temperature of battery manufacturers requirements. The rise of temperature while improve the battery discharge capacity, but the price is greatly shorten the life of a battery. According to the test, once more than 25 ℃, environment temperature rise every 10 ℃, the battery life will shorten the half. Currently used UPS battery is generally maintenance-free sealed lead-acid battery, its life is 5 years, it is also a need to environment to reach the required by the battery manufacturer. If can not meet the environmental requirements, battery lifespan will have very big difference. Cause of battery internal chemical activity enhancement is environment temperature rise, also can make its produce large amounts of heat energy, the environment is also one of the reasons for the rise of temperature, it is a vicious cycle, will accelerate to shorten the battery life. Regular charge discharge UPS power of float charging voltage and discharge voltage, when the factory have been debugging to the rating, and the size of the discharge current is increased following the increase of load, the use of reasonable adjust load, for example the use of electronic devices such as control of microcomputer sets. In general, load should not be beyond the UPS 60% of the rated load. In this range, the discharge current of the battery will not present excessive discharge. UPS for a long time into the mains, rarely appeared in high quality of power supply, the use of mains electricity environment, long battery in float charging status, time is long will led to the decrease of the cell activity of chemical energy and electrical energy into each other, to speed up the aging and shorten the using life. Therefore, every 2 - general 3 months should be completely discharge time, discharge time can be decided according to the capacity of the battery and load size. After the completion of a full load discharge, according to the rules and then charging more than 8 hours. The use of communication function now have most large and medium-sized UPS has with microcomputer communication and process control and other operational functions. Install the corresponding software in the microcomputer, through UPS series/parallel connection, run the program, will be able to communicate with UPS by using microcomputer. General information query, parameter Settings, punctual setting, automatic shutdown and alarm, etc. Through the information query, can obtain the utility utilization rate of the input voltage, output voltage, load UPS, battery capacity utilization, machines, such as temperature and mains frequency information; After parameter is set to basic feature set UPS, battery can maintain time and battery out the alarm, etc. Through the intelligent operation, greatly facilitate the use of UPS power supply and battery management. Timely replacement/bad battery scrap large UPS power supply is equipped with battery quantity generally range from 8 to 80, and more. Meet the needs of the dc power supply UPS connect through individual cell circuit constitute the battery pack. The difference between the performance and quality, individual battery performance decline, battery capacity can not meet the requirements and damage appears in be used UPS continuous operation make the inevitable. Maintenance personnel should be a/some batteries in the battery case of damage during inspection on each battery test, so we can rule out the damaged cells. Acid battery and sealed battery, a mixture of different specifications of the battery, replace a new battery, should strive to purchase with the manufacturers of the same model battery.
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