1. 53rd International Universities Power Engineering Conference
UPEC 2018
53rd International Universities Power Engineering Conference
4th – 7th September 2018
Effective Power Management in a Stand-alone PV System khaled Sehil 1 , Mohamed Darwish   Electronic and Computer Engineering School of Engineering and Design Brunel University
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2. Outline
Introduction
Current status and Challenges
Proposed placement of the super-capacitor
Result & Discussion
Conclusions

3. Introduction - Background
Solar Array
DC/AC Load
Charge Controller
Inverter
Battery

4. Current Status and Challenges
The battery size in a stand-alone PV system is calculated for the average annual data, also for at least three days of island autonomy, as a result:
1. The daily quick changing in PV output is not dependable.
2. The battery life reduced dramatically due to quick charge discharge.
Challenges
Achieving more effective energy management techniques in a stand-alone PV system by implementing the super capacitor to deal with the rapid change.

5. Proposed placement of the super-capacitor

6. Result & Discussion
System Energy flow

7. Result & Discussion
SC behaviour

8. DC- DC Switches Signal

9. Conclusions
This paper discusses an incorporation of the super-capacitor as secondary storage unit in a stand-alone PV system.
Three cases was generated to present and validate the proposed energy management algorithm in the stand-alone PV system with implementing a super capacitor.
Super-capacitor behaviour under various load , with higher fluctuation in the generated power by the PV system.
Fast changing in the load or the generated energy has been belt by the super-capacitor.

10. Thank You Q? Khaled Sehil
UPEC 2018
53rd International Universities Power Engineering Conference
4th – 7th September 2018
Thank You Q? Khaled Sehil
No author’s affiliation here, please