Balanced discharging for serial battery power modules with boost converters

Yu, Li-Ren; Hsieh, Yao‐Ching; Liu, Wei-Chen; Moo, C.S.

doi:10.1109/icsse.2013.6614708

Cited by 40 publications

(16 citation statements)

References 11 publications

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“…The battery SOC of the i th module is presented in (7). Where the SOC init is initial value of the battery SOC and C n is the nominal capacity [8].…”

Section: B Control Strategy For Balanced Dischargingmentioning

confidence: 99%

“…As a result, a module, which has low life cycle or low SOC, stop the operation compareing the other module by using the conventional active current sharing method for parallel operation of UPS system. In extreme cases, such as some of UPS module stop operation because of the over discharge, entire UPS system can not sustain voltage regulation for load [6]- [7]. In this paper, to solve these problems, an active current sharing method considering battey SOC is proposed.…”

Section: Introductionmentioning

confidence: 96%

See 1 more Smart Citation

Battery balancing algorithm for parallel operation of single phase UPS inverters

Choi

Lee

Kang

et al. 2014

2014 IEEE Conference and Expo Transportation Electrification Asia-Pacific (ITEC Asia-Pacific)

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A current sharing method considering battery state of charge(SOC) for single phase uninterruptable power supply(UPS) module is proposed. Each of UPS module system is consists of single master and multi slave modules. A master module performs output voltage control and current sharing algorithm considering the battery SOC of each of the UPS modules. In current sharing algorithm, current commands are generated for eliminating SOC difference of batteries of each modules. However, the slave modules control the only output current which is generated by master module. As the output load current is shared by battery SOC of UPS module, the utilization of the battery is increased in parallel UPS system. The validity of proposed method is verified by simulation results.

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“…The battery SOC of the i th module is presented in (7). Where the SOC init is initial value of the battery SOC and C n is the nominal capacity [8].…”

Section: B Control Strategy For Balanced Dischargingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 96%

Battery balancing algorithm for parallel operation of single phase UPS inverters

Choi

Lee

Kang

et al. 2014

2014 IEEE Conference and Expo Transportation Electrification Asia-Pacific (ITEC Asia-Pacific)

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show abstract

“…When the number of cells is large, the price of the BMS becomes high and the reliability of the battery string becomes low [11][12][13][14]. Many authors [15][16][17][18][19][20][21][22][23][24][25][26] have discussed equalization techniques of the battery strings. The target is to keep the cell voltages equal and prolong the lifetime of the string.…”

Section: Introductionmentioning

confidence: 99%

Using the combination of batteries and ultra‐capacitors to improve the performance and flexibility for energy storage systems

Gao

2018

IEEJ Transactions Elec Engng

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A certain number of batteries are connected in series to raise the DC bus voltage in energy storage systems (ESSs). The ratings of the discharging and charging currents of the batteries are limited. As a result, the dynamic performance of the battery cannot meet the requirements in some ESSs, which are installed to smooth the power from wind power generators. This paper proposes a structure that is a combination of ultra‐capacitors and traditional batteries. With the help of the ultra‐capacitors, two goals are achieved: (i) the terminal voltage is enhanced, and (ii) the dynamic performance of the ESS is improved. Control of the proposed ESS is discussed, and an experimental prototype is built to validate the working schemes. The proposed solution is highly modularized, and thus the electrical energy modules can be easily removed and installed. © 2018 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.

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“…1b has been introduced recently [8][9][10][11][12] for different applications including second life battery based systems where significant imbalances are expected. The MBS can provide advantages in controlling each battery module separately based on its SoC to ensure energy balancing.…”

mentioning

confidence: 99%

Investigating the benefits and limitations of cascaded converter topologies used in modular battery systems

Fares

Klumpner

Sumner

2017

2017 IEEE 26th International Symposium on Industrial Electronics (ISIE)

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Balanced discharging for serial battery power modules with boost converters

Cited by 40 publications

References 11 publications

Battery balancing algorithm for parallel operation of single phase UPS inverters

Battery balancing algorithm for parallel operation of single phase UPS inverters

Using the combination of batteries and ultra‐capacitors to improve the performance and flexibility for energy storage systems

Investigating the benefits and limitations of cascaded converter topologies used in modular battery systems

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