Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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 Explain the importance of maximum power point of a solar module.

Introducion
Maximum Power Point Tracker (MPPT)
* A device that continuously finds the MPP of a solar
Maximum Power Point (MPP)
panel or array.
* The point on a power (E-P) curve that has the highest
* Tracking the MPP continuously with time, in order to
value of the product of its corresponding voltage (E)
maximize the net power output is an important aspect
and current (I), or the highest power output.
of PV module engineering.
* It represents the bias potential at which the solar
* The power at the MPP (Pmax) is the product of the
panels or array gives the maximum net power.
MPP voltage (Emar) and the MPP current (Imay).
* Pmax
r = Emar * Imar
Imax
FIGURES
Apparatus required with Specifications
Current
(1)
Constant-current operation
Power
S.
No.
1. PV module
Apparatus Name
Specifications
Quantity
(P)
E-l curve
0-10 V
1
Maximum Power Point
(MPP)
2. Ammeter
0-200mA
1
Output power curve,
3. Voltmeter (D.C)
0-20V
1
4. Potentiometer
500 Q; 2W
1
5. Connecting wires
Voltnge
(E)
10
---
Figure 1. E-I and Output Power characteristics of a PV Module
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Transcribed Image Text:Introducion Maximum Power Point Tracker (MPPT) * A device that continuously finds the MPP of a solar Maximum Power Point (MPP) panel or array. * The point on a power (E-P) curve that has the highest * Tracking the MPP continuously with time, in order to value of the product of its corresponding voltage (E) maximize the net power output is an important aspect and current (I), or the highest power output. of PV module engineering. * It represents the bias potential at which the solar * The power at the MPP (Pmax) is the product of the panels or array gives the maximum net power. MPP voltage (Emar) and the MPP current (Imay). * Pmax r = Emar * Imar Imax FIGURES Apparatus required with Specifications Current (1) Constant-current operation Power S. No. 1. PV module Apparatus Name Specifications Quantity (P) E-l curve 0-10 V 1 Maximum Power Point (MPP) 2. Ammeter 0-200mA 1 Output power curve, 3. Voltmeter (D.C) 0-20V 1 4. Potentiometer 500 Q; 2W 1 5. Connecting wires Voltnge (E) 10 --- Figure 1. E-I and Output Power characteristics of a PV Module
Ammeter
Solar
DC-DC Power
Power
Power
Panel
Converter
E) Voltmeter
PV
Module
Potentiometer
as Electrical
MPPT
Load
Load
Controller
3
Figure 3. Circuit to determine E-I curve of a PV Module
Figure 2. Complete system with MPPT controller
Table 1. Voltage and Current data from the circuit shown in Figure 3
S. No. Voltage (E)
in volts
Current (I)
Temperature
(°C)
Power
Voltage (E)
Current (I)
(P=ExI)
in W
0*144.8 =0
2*145.2 10 -
0.2904
4*143.1*10 =
0.5724
6*142.1*10=
0.8526
7*140.4*10 =
0.9828
18*128*10=
1.024
9*92.2*10 =
0.8298
in mA
Volts
1
144.8
25
2
145.2
25
144.8
2
145.2
3
4
143.1
25
4
143.1
4
142.1
25
6
142.1
140.4
25
140.4
8
128
25
8
128.0
9
92.2
25
9
92.2
10
31.11
10*31.11*103
25
10
31.11
= 0.3111
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Transcribed Image Text:Ammeter Solar DC-DC Power Power Power Panel Converter E) Voltmeter PV Module Potentiometer as Electrical MPPT Load Load Controller 3 Figure 3. Circuit to determine E-I curve of a PV Module Figure 2. Complete system with MPPT controller Table 1. Voltage and Current data from the circuit shown in Figure 3 S. No. Voltage (E) in volts Current (I) Temperature (°C) Power Voltage (E) Current (I) (P=ExI) in W 0*144.8 =0 2*145.2 10 - 0.2904 4*143.1*10 = 0.5724 6*142.1*10= 0.8526 7*140.4*10 = 0.9828 18*128*10= 1.024 9*92.2*10 = 0.8298 in mA Volts 1 144.8 25 2 145.2 25 144.8 2 145.2 3 4 143.1 25 4 143.1 4 142.1 25 6 142.1 140.4 25 140.4 8 128 25 8 128.0 9 92.2 25 9 92.2 10 31.11 10*31.11*103 25 10 31.11 = 0.3111
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