Page 136 - Renewable Energy Devices and System with Simulations in MATLAB and ANSYS

Overview of PV Maximum Power Point Tracking Techniques 123

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DCDC efficiency 50,000.00 Time (s)

100.00 95.00 90.00 85.00 80.00 0.00 WM_load.P/WM_SA.P*100

Rload 1.44 ohm
0
Load power 50,000.00 Time (s) WM_load Peak SA efficiency 50,000.00 Time (s)

0.00 + W 0 0.00
100.00 –0.00 77.60 77.40 77.20 77.00
0
vop vom ax (WM_SA.P)/max(SA.pmp)*
WM_load.P (W)
vmp imp pmp ANSYS Simplorer ® example model of PV array systems incorporating a DC/DC power electrics converter with an MMPT controller and operating on

Load voltage 50,000.00 Time (s) vim SA Vmp vs V_act 50,000.00 Time (s)

0.00 vip 0.00
10.00 5.00 0.00 WM_SA 14.00 12.00 10.00 8.00
WM_load.V (V)
+ W Y1 (V)

Ambient temp (°C) 50,000.00 Time (s) vp vm SA Imp vs I_act 50,000.00 Time (s)

41.46 25.00 9.29 0.00 v_vmp v_imp v_pmp 10.00 0.00 0.00

amb_eq
vt Y1
vi
amb_eq E2 + – 0
Irradiation (W/m 2 ) 50,000.00 Time (s) irrad_eq E1 + – 0 SA Pmp vs P_act 50,000.00 Time (s)

1000.00 irrad_eq 0.00 0.00 Irrad_Temp_behav EQU 100.00 Y1 0.00 0.00 (a) FIGURE 5.23 a stand-alone restive load (a).