Homework Help is Here – Start Your Trial Now!
Science
Advanced Physics
Define resistance of a mateial. Write the unit of resistance.

Define resistance of a mateial. Write the unit of resistance.

icon
Related questions
Question

QUESTIONS

  1. Define resistance of a mateial. Write the unit of resistance.

  2. How do you determine the series resistance (Rs)

    of the PV module?

  3. What is the use of an experience ?
Carrent t Skope-a-IR, Ammeter Elve E Voltmeter PV Module Potentiometer as Electrical Load Voltage Figure 4. Circuit to determine E-l curve of a PV Module Figure 3. Finding of resistor R, from the E-l curve of a PV cell Voltage (E) Current (I) GRAPH PLOTTING Volts 144.8 How to Plot Points on the Graph Sheet? https:/lyoutu.bej6LGxJhckk 2 145.2 4 143.1 142.1 7 140.4 8 128.0 9 92.2 10 31.11 Voltage (V) | Current (I)
Transcribed Image Text:Carrent t Skope-a-IR, Ammeter Elve E Voltmeter PV Module Potentiometer as Electrical Load Voltage Figure 4. Circuit to determine E-l curve of a PV Module Figure 3. Finding of resistor R, from the E-l curve of a PV cell Voltage (E) Current (I) GRAPH PLOTTING Volts 144.8 How to Plot Points on the Graph Sheet? https:/lyoutu.bej6LGxJhckk 2 145.2 4 143.1 142.1 7 140.4 8 128.0 9 92.2 10 31.11 Voltage (V) | Current (I)
Introducion • The series resistance (R.) of a PV module is mainly • The shunt resistance (Ra) represents a parallel high- the sum of the contact resistance on its front and back conductivity path across the p-n junction. • Shunt resistance is due to non-idealities, mainly surfaces and the resistances of the bulk and the diffused layers on the top. impurities near the p-n junction, which cause partial • LIKE all other known generators of electrical power, PV modules possess some internal series resistance. * This internal series resistance is very important to shorting of the junction. • If an impurity can join the front and back sides of the solar cell then it is responsible for shunt resistance. determine the E-I characteristics of most of these power generators. • The performance of the PV module on the values of Ra and R.. Apparatus required with Specifications • Therefore, R, and R, both need to be recognized and understood in Specifications Quantity S. Apparatus Name No. order to analyze the cell and module performance. 1. PV module 0-10 V 1 * An equivalent circuit is nothing but a combination of elements that 2. Ammeter 0-200mA 1 best represents the actual terminal characteristics of the device. 3. Voltmeter (D.C) 0-20V 1 * In a simple language, it simply means the diode in the circuit can be 4. Potentiometer 500 0; 2w 1 replaced by other elements without severely affecting the behavior 5. Connecting wires 10 of circuit. FIGURES Al volage E Rs Cument /SH Slope--R, Elcurve PRSH E Volnge Figure 1. Actual oquivalent diagram of a PV Cell with Electrical Load Figure 2. Finding of resistor Rp (R) from the E-l curve ofa PV cell
Transcribed Image Text:Introducion • The series resistance (R.) of a PV module is mainly • The shunt resistance (Ra) represents a parallel high- the sum of the contact resistance on its front and back conductivity path across the p-n junction. • Shunt resistance is due to non-idealities, mainly surfaces and the resistances of the bulk and the diffused layers on the top. impurities near the p-n junction, which cause partial • LIKE all other known generators of electrical power, PV modules possess some internal series resistance. * This internal series resistance is very important to shorting of the junction. • If an impurity can join the front and back sides of the solar cell then it is responsible for shunt resistance. determine the E-I characteristics of most of these power generators. • The performance of the PV module on the values of Ra and R.. Apparatus required with Specifications • Therefore, R, and R, both need to be recognized and understood in Specifications Quantity S. Apparatus Name No. order to analyze the cell and module performance. 1. PV module 0-10 V 1 * An equivalent circuit is nothing but a combination of elements that 2. Ammeter 0-200mA 1 best represents the actual terminal characteristics of the device. 3. Voltmeter (D.C) 0-20V 1 * In a simple language, it simply means the diode in the circuit can be 4. Potentiometer 500 0; 2w 1 replaced by other elements without severely affecting the behavior 5. Connecting wires 10 of circuit. FIGURES Al volage E Rs Cument /SH Slope--R, Elcurve PRSH E Volnge Figure 1. Actual oquivalent diagram of a PV Cell with Electrical Load Figure 2. Finding of resistor Rp (R) from the E-l curve ofa PV cell
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer