Abstract
Battery is not only the power source or emergency power supply for many ships, but also the essential emergency power supply for train command and dispatching, post and telecommunication, bank operation, etc. The capacity of battery will be directly related to the normal operation of ship train dispatching, post and telecommunication and bank operation. At the same time, the battery is also the last guarantee for the safe and reliable power supply of intelligent power supply equipment, so it is necessary to study the reliability of battery capacity
Highlights
Most of the batteries used in modern intelligent power supply equipment are VRLA batteries
Even if the capacity of the battery becomes smaller, the qualified terminal voltage can be measured in the floating charge state, so the check discharge can only be carried out offline
The realization of on-line detection of DC system battery capacity is of great significance to improve the safe operation of DC system and the reliability and automation of DC power supply
Summary
Most of the batteries used in modern intelligent power supply equipment are VRLA batteries. The voltage of the battery terminal in the floating state can not fully reflect the capacity of the battery. Even if the capacity of the battery becomes smaller, the qualified terminal voltage can be measured in the floating charge state, so the check discharge can only be carried out offline. The common detection methods of battery capacity are to measure the terminal voltage of single battery and discharge the battery capacity once a year. The battery is working in the floating charge state. The realization of on-line detection of DC system battery capacity is of great significance to improve the safe operation of DC system and the reliability and automation of DC power supply. This paper mainly focuses on the battery capacity of intelligent power supply equipment, so as to ensure the safety and efficiency of the whole intelligent power supply equipment
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