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SimulinkÀ» È°¿ëÇÑ DAB ±â¹Ý PV Á¦¾î Àü·« ÀÎÅÍÆäÀ̽º ½Ã½ºÅÛ ¿¬±¸(Control Strategies for the DAB Based PV Interface System)


SimulinkÀ» È°¿ëÇÑ DAB ±â¹Ý PV Á¦¾î Àü·« ÀÎÅÍÆäÀ̽º ½Ã½ºÅÛ ¿¬±¸(Control Strategies for the DAB Based PV Interface System)

SimulinkÀ» È°¿ëÇÑ DAB ±â¹Ý PV Á¦¾î Àü·« ÀÎÅÍÆäÀ̽º ½Ã½ºÅÛ ¿¬±¸(Control Strategies for the DAB Based PV Interface System)

,< Mohamed Al-Hasheem>,< Mostafa I. Marei> Àú | ¾ÆÁø

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2020-07-14
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This paper presents an interface system based on the Dual Active Bridge (DAB)
converter for Photovoltaic (PV) arrays. Two control strategies are proposed for the
DAB converter to harvest the maximum power from the PV array. The first
strategy is based on a simple PI controller to regulate the terminal PV voltage
through the phase shift angle of the DAB converter. The Perturb and Observe
(P&O) Maximum Power Point Tracking (MPPT) technique is utilized to set the
reference of the PV terminal voltage. The second strategy presented in this paper
employs the Artificial Neural Network (ANN) to directly set the phase shift angle
of the DAB converter that results in harvesting maximum power. This
feed-forward strategy overcomes the stability issues of the feedback strategy. The
proposed PV interface systems are modeled and simulated using
MATLAB/SIMULINK and the EMTDC/PSCAD software packages. The simulation
results reveal accurate and fast response of the proposed systems.
The dynamic performance of the proposed feed-forward strategy outdoes that of
the feedback strategy in terms of accuracy and response time. Moreover, an
experimental prototype is built to test and validate the proposed PV interface
system.

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Á¦ 1Æí : SIMULINK ±âº»Æí
1.1 SIMULINKÀÇ ½ÃÀÛ 1
ºí·ÏÀÇ ¿¬°á 5
ºí·Ï ÆĶó¹ÌÅÍÀÇ ¼³Á¤ 7
½Ã¹Ä·¹ÀÌ¼Ç ÆĶó¹ÌÅÍ (Configuration Parameters)ÀÇ ¼³Á¤ 8
½Ã¹Ä·¹À̼ÇÀÇ ¼öÇà 9
ºí·Ï ÆĶó¹ÌÅÍÀÇ Ç¥½Ã 9
º¹¼ö µ¥ÀÌÅÍÀÇ Ç¥½Ã 11
2.2 µ¿Àû ½Ã¹Ä·¹ÀÌ¼Ç 13
ÀÌÂ÷ ¹ÌºÐ¹æÁ¤½Ä 17
¼±Çü »óź¯¼ö ¸ðµ¨ 23
DC ¸ðÅÍÀÇ ½Ã¹Ä·¹ÀÌ¼Ç 24
ÇÔ¼ö ºí·ÏÀÇ »ç¿ë 29
Â÷ºÐ¹æÁ¤½Ä(difference equation)ÀÇ ¸ðµ¨¸µ 34
Subsystem(ºÎ½Ã½ºÅÛ)ÀÇ ±¸¼º 37
Á¦ 2Æí : ¿¬±¸³í¹®
Control Strategies for the DAB Based PV Interface System
1. Introduction 41
2. The Dual Active Bridge Converter (DAB) 42
3. The Proposed Control Strategies for the DAB Based PV
Interface system 43
4. Simulation of the proposed feed-forward strategy 48
5. Experimental Results 49
6. Conclusion 51
7. References 58