Photovoltaic High-Frequency Pulse Charger for Lead-Acid Battery under Maximum Power Point Tracking | Zendy

HungI Hsieh | Zendy; Sheng-Fang Shih | Zendy; Jen-Hao Hsieh | Zendy; Chi-Hao Wang | Zendy

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Photovoltaic High-Frequency Pulse Charger for Lead-Acid Battery under Maximum Power Point Tracking

Author(s) -

HungI Hsieh,

Sheng-Fang Shih,

Jen-Hao Hsieh,

Chi-Hao Wang

Publication year - 2013

Publication title -

international journal of photoenergy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.426

H-Index - 51

eISSN - 1687-529X

pISSN - 1110-662X

DOI - 10.1155/2013/687693

Subject(s) - maximum power point tracking , photovoltaic system , maximum power principle , battery (electricity) , lead–acid battery , duty cycle , power (physics) , computer science , battery charger , electrical engineering , pulse width modulation , materials science , physics , thermodynamics , engineering , inverter

A photovoltaic pulse charger (PV-PC) using high-frequency pulse train for charging lead-acid battery (LAB) is proposed not only to explore the charging behavior with maximum power point tracking (MPPT) but also to delay sulfating crystallization on the electrode pores of the LAB to prolong the battery life, which is achieved due to a brief pulse break between adjacent pulses that refreshes the discharging of LAB. Maximum energy transfer between the PV module and a boost current converter (BCC) is modeled to maximize the charging energy for LAB under different solar insolation. A duty control, guided by a power-increment-aided incremental-conductance MPPT (PI-INC MPPT), is implemented to the BCC that operates at maximum power point (MPP) against the random insolation. A 250 W PV-PC system for charging a four-in-series LAB (48 Vdc) is examined. The charging behavior of the PV-PC system in comparison with that of CC-CV charger is studied. Four scenarios of charging statuses of PV-BC system under different solar insolation changes are investigated and compared with that using INC MPPT

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