Extraction of the photovoltaic module parameter In this part we use the method presented in previous section for determination of PV module parameters (UDTS50). following show the parameters of PV module after the extraction algorithm TABLE 3 Parameters Values Isc (A) 3.18 Voc (V) 21.6 Imp (A) 2.9 Vmp (V) 17.5 I0 (A) 5.021x10-8 Ipv(A) 3.184 Shunt Rp (Ω) 198.10 Series Rs (Ω) 0.25 Simulation of I-V and P-V Characteristics under STC condition Fig .6 I-V and P-V curve under STC condition Evaluation performance of PV Module The table below contain the main parameters of some tested modules (PVm1, PVm2) under STC condition with the parameters of reference module (PVref) presented section 2 c [13] TABLE 4 VALUES (STC Fig .5 Matlab/Simulik Model used in simulation of photovoltaic panel Parameters PV ref PVm1 PVm2 The Electricals Parameters of UDTS 50 pmax 49.4 23.2 44.52 The Parameters in STC condition of UDTS 50 Modules are Isc (A) 3.18 2.06 3.20 given from data sheet presented in the Table 2 below. Voc (V) 21.6 18.83 21.19 Imp (A) 2.9 1.71 2.81 2 Vmp (V) 17.5 13.56 15.82 PV Rp 198.10 70.11 97.05 Parameters Values Short-circuit current Isc (A) 3.18 Rs 0.25 1.29 0.78 Open-circuit voltage Voc (V) 21.6 FF % 72 59.9 65.6 Maximum current Imp (A) 2.9 % 12.83 5.47 10.43 η Maximum voltage Vmp (V) 17.5 Maximum power Pmax 49.4 Table 5 shows the evaluation of photovoltaic module numbers Ns 36 using the degradation factor Fill factor FF 72 % TABLE 5 Efficiency 12.83% η
Fig .5 Matlab/Simulik Model used in simulation of photovoltaic panel The Electricals Parameters of UDTS 50 The Parameters in STC condition of UDTS 50 Modules are given from data sheet presented in the Table 2 below. 2 PV Parameters Values Short-circuit current Isc (A) Open-circuit voltage Voc (V) Maximum current Imp (A) Maximum voltage Vmp (V) Maximum power Pmax numbers Ns Fill factor FF Efficiency η 3.18 21.6 2.9 17.5 49.4 36 72 % 12.83% Extraction of the photovoltaic module parameter In this part we use the method presented in previous section for determination of PV module parameters (UDTS50). following show the parameters of PV module after the extraction algorithm TABLE 3 Parameters Values Isc (A) Voc (V) Imp (A) Vmp (V) I0 (A) Ipv(A) Shunt Rp (Ω) Series Rs (Ω) 3.18 21.6 2.9 17.5 5.021x10-8 3.184 198.10 0.25 Simulation of I-V and P-V Characteristics under STC condition Fig .6 I-V and P-V curve under STC condition Evaluation performance of PV Module The table below contain the main parameters of some tested modules (PVm1, PVm2) under STC condition with the parameters of reference module (PVref) presented section 2 c [13] TABLE 4 VALUES (STC Parameters PV ref PVm1 PVm2 pmax Isc (A) Voc (V) Imp (A) Vmp (V) Rp Rs FF % η % 49.4 3.18 21.6 2.9 17.5 198.10 0.25 72 12.83 23.2 2.06 18.83 1.71 13.56 70.11 1.29 59.9 5.47 44.52 3.20 21.19 2.81 15.82 97.05 0.78 65.6 10.43 Table 5 shows the evaluation of photovoltaic module using the degradation factor TABLE 5
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