{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "# Problem 15.8" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "**Fundamentals of Solar Cells and Photovoltaic Systems Engineering**\n", "\n", "**Solutions Manual - Chapter 15**\n", "\n", "**Problem 15.8**\n" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "**Consider the transmittance of the coverglass (whose tabulated data is provided in the online repository of this book). Neglecting any optical losses at the interface between the coverglass adhesive and the solar cell, what would be the short-circuit current generated by every subcell in Problem S15.7 under that coverglass? What would be the impact on the top/mid subcell current balance?** " ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "We will use the package [pandas](https://pandas.pydata.org/) to handle the data and [matplotlib.pyplot](https://matplotlib.org/stable/index.html) to plot the results." ] }, { "cell_type": "code", "execution_count": 1, "metadata": {}, "outputs": [], "source": [ "import pandas as pd\n", "import numpy as np\n", "import matplotlib.pyplot as plt" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "We start by importing the data for the solar spectra." ] }, { "cell_type": "code", "execution_count": 2, "metadata": {}, "outputs": [ { "data": { "text/html": [ "
\n", " | AM0 | \n", "AM1.5G | \n", "AM1.5D | \n", "
---|---|---|---|
Wvlgth nm | \n", "Etr W*m-2*nm-1 | \n", "Global tilt W*m-2*nm-1 | \n", "Direct+circumsolar W*m-2*nm-1 | \n", "
280 | \n", "8.20E-02 | \n", "4.73E-23 | \n", "2.54E-26 | \n", "
280.5 | \n", "9.90E-02 | \n", "1.23E-21 | \n", "1.09E-24 | \n", "
281 | \n", "1.50E-01 | \n", "5.69E-21 | \n", "6.13E-24 | \n", "
281.5 | \n", "2.12E-01 | \n", "1.57E-19 | \n", "2.75E-22 | \n", "
... | \n", "... | \n", "... | \n", "... | \n", "
3980 | \n", "8.84E-03 | \n", "7.39E-03 | \n", "7.40E-03 | \n", "
3985 | \n", "8.80E-03 | \n", "7.43E-03 | \n", "7.45E-03 | \n", "
3990 | \n", "8.78E-03 | \n", "7.37E-03 | \n", "7.39E-03 | \n", "
3995 | \n", "8.70E-03 | \n", "7.21E-03 | \n", "7.23E-03 | \n", "
4000 | \n", "8.68E-03 | \n", "7.10E-03 | \n", "7.12E-03 | \n", "
2003 rows × 3 columns
\n", "