Page 327 - Renewable Energy Devices and System with Simulations in MATLAB and ANSYS

314 Renewable Energy Devices and Systems with Simulations in MATLAB and ANSYS ®
®

DC BUS
48 V DC bus [I48] i – + [Vo] + 48

[Iin_filt] 6.097 [Vin_filt] 29.36 [Io_filt] 5.062 [I48_filt] 5.343 [IR_filt] 10.4

v
+ –
Lowpass Lowpass Lowpass Lowpass Lowpass
Load + – i
i –
[Io] + [IR]

[Iin] [Vin] [I o ] [I48] [IR] Measurements and displays

[Pin_filt] 179
[Gs1] D g S1 S
Boost converter [Vin] × Scope

[Vin_filt] [Iin] [Vo] [Vin] [d] [Pin_filt]
+ v – [Iin_filt]

[Iin] i – [Gs1]
+
Pulse generation Pulse generation
Gsw
[d]
d MATLAB ® Simulink ® circuit model of boost converter with MPPT control.

D
MPPT_PO
Vfc Ifc + –
Fuel cell model V T enable gVo StepV Vin Tmpp
Temp Fuel Flow I Perturb and observe MPPT controller

1000 s+1000 To smooth changing fuel flow [Vin_filt] [Iin_filt] 12:34 gVo gdelV gVin Tmpp

25
FIGURE 12.20

input for fuel cells
Temperature and fuel flow