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Charge Equalizing System for Two Units of a Serially Connected Lead-acid Battery String Using a Buck-boost Converter Topology
| Content Provider | Semantic Scholar |
|---|---|
| Author | Karnjanapiboon, C. Jirasereeamornkul, Kamon Monyakul, Veerapol |
| Copyright Year | 2012 |
| Abstract | This article presents a charge equalizing system for two units of a serially connected leadacid battery string using buck-boost converter topology. Serially connected two unit lead-acid battery strings are popular as a main power source in modern electric vehicles. The main problem of serially connecting a lead-acid battery string is the unbalanced energy levels in the battery units. To manage the problem, a charge equalizing system is introduced. A converter is part of the system. The operation of the converter can be buck and boost mode. In the buck mode the converter steps down the output voltage to be equal or lower than the input voltage. Conversely in the boost mode the converter steps up the output voltage to be equal or greater than the input voltage. Both of these modes allow the converter to drain excessive energy from batteries or supply additional current to batteries to manage the unbalanced energy level problem. Computer CAD simulation results consolidate the proposed technique. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://mfuic2012.mfu.ac.th/electronic_proceeding/Documents/00_PDF/O-SC-E/O-SC-E_6_kamon_full.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
