As a power sources, battery means everything for the whole system. Just like a human, the battery needs some extra treatment as well. The engineer in some factory industries should always keep on eye to monitoring and maintenance the battery in order to support the performance of the industries.
Today, it has become obvious to users that battery performance cannot be taken for granted. The cost of failures makes the cost of monitoring seem insignificant, especially in large data center applications where even a momentary power glitch to the computers can equate to many millions of dollars in losses.
Monitoring improves system reliability by detecting battery problems at an early stage, before they can cause an abrupt system failure.
The requirements to maintenance of a battery
Many battery users do not understand what is required to maintain a reliable battery system. They therefore:
* do nothing at all while waiting for the system to fail;
* hire a maintenance service and trust that they know what to do;
* connect the cheapest monitor they can find and rely on it to alarm in time; or, hopefully,
* study the recommendations made by industry experts, such as the IEEE Standards Coordinating Committee SCC-29.
The following sections discuss, very briefly, what the IEEE Standards recommend in the way of maintenance and testing for both vented lead acid style battery systems and valve regulated lead acid battery systems. By comparing the requirements of the standards with the functions that can be automatically performed with a monitor, it will be easy to conclude that a monitor can save maintenance and test hours. Some maintenance inspections, such as visual, cannot be ignored and must be performed at least once a year.
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