Design and development of an intelligent battery charger station
This thesis presents the design and development of an intelligent battery charger for simultaneous charging of four NiMH batteries. It is designed to satisfy the demands of high current and fast charge applications such as electrical vehicles which use batteries as the electrical source energy. T...
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| Format: | Monograph |
| Language: | English |
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Universiti Sains Malaysia
2009
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| Online Access: | http://eprints.usm.my/52840/1/Design%20And%20Development%20Of%20An%20Intelligent%20Battery%20Charger%20Station_Teoh%20Weee%20Wee_E3_2009.pdf |
| _version_ | 1797012893250617344 |
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| author | Teoh, Weee Wee |
| author_facet | Teoh, Weee Wee |
| author_sort | Teoh, Weee Wee |
| collection | USM |
| description | This thesis presents the design and development of an intelligent battery charger
for simultaneous charging of four NiMH batteries. It is designed to satisfy the demands of
high current and fast charge applications such as electrical vehicles which use batteries as
the electrical source energy. The purpose of this design is to provide an efficient charging
algorithm using a microcontroller PIC16F877 in order to protect against overcharging
and reduce the recharging time. This design includes the discharging function. In this
design, the control and supervision of the whole charging process is entrusted to a
microcontroller, which able to find out the initial battery state , decide the fit way to
charge the battery (in order to ensure a long cycle-life) and determine when the charge
process must be finished. The proposed design provides multiple charging current
options with automated selection of optimum charging rate for the battery being charged.
The charging algorithm is programmed in the PIC16F877 by using PIC Basic Pro. There
are four basic charging algorithm used in this charger: slow (10%C), soft (20%C), fast
(55%C) and trickle (4%C). The experimental results obtained show that the charger is
functioning properly with the state defined in the microcontroller. The current regulation
is successfully done by using PWM control. The accurate termination of fast charging
cycle and safe charging of batteries demonstrate the reliable functioning of the proposed
design. The charging and discharging curve obtained is almost the same as stated in the
theoretical characteristic. The charging time to charge the battery from empty to full is
almost two hours. The battery voltage at the end of charging cycle obtained is around
1.38V/battery. The fast charge cycle bring the battery to approximately 90% of the full
charge condition. The implementation of design’s objective is fulfilled and is supported
by experimental results. |
| first_indexed | 2024-03-06T15:54:22Z |
| format | Monograph |
| id | usm.eprints-52840 |
| institution | Universiti Sains Malaysia |
| language | English |
| last_indexed | 2024-03-06T15:54:22Z |
| publishDate | 2009 |
| publisher | Universiti Sains Malaysia |
| record_format | dspace |
| spelling | usm.eprints-528402022-06-13T04:23:09Z http://eprints.usm.my/52840/ Design and development of an intelligent battery charger station Teoh, Weee Wee T Technology TK Electrical Engineering. Electronics. Nuclear Engineering This thesis presents the design and development of an intelligent battery charger for simultaneous charging of four NiMH batteries. It is designed to satisfy the demands of high current and fast charge applications such as electrical vehicles which use batteries as the electrical source energy. The purpose of this design is to provide an efficient charging algorithm using a microcontroller PIC16F877 in order to protect against overcharging and reduce the recharging time. This design includes the discharging function. In this design, the control and supervision of the whole charging process is entrusted to a microcontroller, which able to find out the initial battery state , decide the fit way to charge the battery (in order to ensure a long cycle-life) and determine when the charge process must be finished. The proposed design provides multiple charging current options with automated selection of optimum charging rate for the battery being charged. The charging algorithm is programmed in the PIC16F877 by using PIC Basic Pro. There are four basic charging algorithm used in this charger: slow (10%C), soft (20%C), fast (55%C) and trickle (4%C). The experimental results obtained show that the charger is functioning properly with the state defined in the microcontroller. The current regulation is successfully done by using PWM control. The accurate termination of fast charging cycle and safe charging of batteries demonstrate the reliable functioning of the proposed design. The charging and discharging curve obtained is almost the same as stated in the theoretical characteristic. The charging time to charge the battery from empty to full is almost two hours. The battery voltage at the end of charging cycle obtained is around 1.38V/battery. The fast charge cycle bring the battery to approximately 90% of the full charge condition. The implementation of design’s objective is fulfilled and is supported by experimental results. Universiti Sains Malaysia 2009-03-01 Monograph NonPeerReviewed application/pdf en http://eprints.usm.my/52840/1/Design%20And%20Development%20Of%20An%20Intelligent%20Battery%20Charger%20Station_Teoh%20Weee%20Wee_E3_2009.pdf Teoh, Weee Wee (2009) Design and development of an intelligent battery charger station. Project Report. Universiti Sains Malaysia, Pusat Pengajian Kejuruteraan Elektrik & Elektronik. (Submitted) |
| spellingShingle | T Technology TK Electrical Engineering. Electronics. Nuclear Engineering Teoh, Weee Wee Design and development of an intelligent battery charger station |
| title | Design and development of an intelligent battery charger station |
| title_full | Design and development of an intelligent battery charger station |
| title_fullStr | Design and development of an intelligent battery charger station |
| title_full_unstemmed | Design and development of an intelligent battery charger station |
| title_short | Design and development of an intelligent battery charger station |
| title_sort | design and development of an intelligent battery charger station |
| topic | T Technology TK Electrical Engineering. Electronics. Nuclear Engineering |
| url | http://eprints.usm.my/52840/1/Design%20And%20Development%20Of%20An%20Intelligent%20Battery%20Charger%20Station_Teoh%20Weee%20Wee_E3_2009.pdf |
| work_keys_str_mv | AT teohweeewee designanddevelopmentofanintelligentbatterychargerstation |