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Diffstat (limited to '_Power_Electronics/Chapter10_4.ipynb')
| -rwxr-xr-x | _Power_Electronics/Chapter10_4.ipynb | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/_Power_Electronics/Chapter10_4.ipynb b/_Power_Electronics/Chapter10_4.ipynb deleted file mode 100755 index cbc3cb90..00000000 --- a/_Power_Electronics/Chapter10_4.ipynb +++ /dev/null @@ -1,228 +0,0 @@ -{
- "metadata": {
- "name": ""
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "heading",
- "level": 1,
- "metadata": {},
- "source": [
- "Chapter 10 : Cycloconverters"
- ]
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 10.2, Page No 594"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import math\n",
- "#initialisation of variables\n",
- "V_s=230.0\n",
- "V_m=math.sqrt(2)*V_s\n",
- "R=10.0\n",
- "a=30.0\n",
- "\n",
- "#Calculations\n",
- "V_or=(V_m/math.sqrt(2))*math.sqrt((1/math.pi)*(math.pi-a*math.pi/180+math.sin(math.radians(2*a))/2))\n",
- "I_or=V_or/R \n",
- "I_s=I_or\n",
- "pf=(I_or**2*R)/(V_s*I_s) \n",
- "\n",
- "\n",
- "#Results\n",
- "print(\"rms value of o/p current=%.2f A\" %I_or)\n",
- "print(\"rms value of o/p current for each convertor=%.2f A\" %(I_or/math.sqrt(2)))\n",
- "print(\"rms value of o/p current for each thyristor=%.3f A\" %(I_or/2))\n",
- "print(\"i/p pf=%.4f\" %pf)"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "rms value of o/p current=22.67 A\n",
- "rms value of o/p current for each convertor=16.03 A\n",
- "rms value of o/p current for each thyristor=11.333 A\n",
- "i/p pf=0.9855\n"
- ]
- }
- ],
- "prompt_number": 1
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 10.4, Page No 604"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import math\n",
- "#initialisation of variables\n",
- "V_s=400.0\n",
- "V_ph=V_s/2\n",
- "a=160.0\n",
- "\n",
- "#Calculations\n",
- "r=math.cos(math.radians(180-a))\n",
- "m=3\n",
- "V_or=r*(V_ph*(m/math.pi)*math.sin(math.pi/m)) \n",
- "R=2\n",
- "X_L=1.5\n",
- "th=math.degrees(math.atan(X_L/R))\n",
- "Z=math.sqrt(R**2+X_L**2)\n",
- "I_or=V_or/Z \n",
- "P=I_or**2*R \n",
- "\n",
- "#Results\n",
- "print(\"rms o/p voltage=%.3f V\" %V_or)\n",
- "print(\"rms o/p current=%.2f A\" %I_or)\n",
- "print(\"phase angle of o/p current=%.2f deg\" %-th)\n",
- "print(\"o/p power=%.2f W\" %P)\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "rms o/p voltage=155.424 V\n",
- "rms o/p current=62.17 A\n",
- "phase angle of o/p current=-36.87 deg\n",
- "o/p power=7730.11 W\n"
- ]
- }
- ],
- "prompt_number": 2
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 10.5 Page No 604"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import math\n",
- "#initialisation of variables\n",
- "V_s=400.0\n",
- "V_ph=V_s/2\n",
- "V_l=V_ph*math.sqrt(3)\n",
- "a=160.0\n",
- "\n",
- "#Calculations\n",
- "r=math.cos(math.radians(180-a))\n",
- "m=6\n",
- "V_or=r*(V_l*(m/math.pi)*math.sin(math.pi/m)) \n",
- "R=2\n",
- "X_L=1.5\n",
- "th=math.degrees(math.atan(X_L/R))\n",
- "Z=math.sqrt(R**2+X_L**2)\n",
- "I_or=V_or/Z \n",
- "P=I_or**2*R \n",
- "\n",
- "#Results\n",
- "print(\"rms o/p voltage=%.2f V\" %V_or)\n",
- "print(\"rms o/p current=%.2f A\" %I_or)\n",
- "print(\"phase angle of o/p current=%.2f deg\" %-th)\n",
- "print(\"o/p power=%.2f W\" %P)\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "rms o/p voltage=310.85 V\n",
- "rms o/p current=124.34 A\n",
- "phase angle of o/p current=-36.87 deg\n",
- "o/p power=30920.44 W\n"
- ]
- }
- ],
- "prompt_number": 3
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 10.7, Page No 605"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import math\n",
- "#initialisation of variables\n",
- "V_l=400.0\n",
- "V_ml=math.sqrt(2)*V_l\n",
- "m=6\n",
- "f=50.0\n",
- "w=2*math.pi*f\n",
- "L=.0012\n",
- "I=40.0\n",
- "\n",
- "#Calculations\n",
- "V_or1=(V_ml*(m/math.pi)*math.sin(math.pi/m))*math.cos(math.radians(a))\n",
- "V_omx1=V_or1-3*w*L*I/math.pi\n",
- "V_rms1=V_omx1/math.sqrt(2) \n",
- "a2=30.0\n",
- "V_or2=(V_ml*(m/math.pi)*math.sin(math.pi/m))*math.cos(math.radians(a))\n",
- "V_omx2=V_or2-3*w*L*I/math.pi\n",
- "V_rms2=V_omx2/math.sqrt(2) \n",
- "\n",
- "\n",
- "#Results\n",
- "print(\"for firing angle=0deg\")\n",
- "a1=0\n",
- "print(\"rms value of load voltage=%.2f V\" %V_rms2)\n",
- "print(\"for firing angle=30deg\")\n",
- "print(\"rms value of load voltage=%.2f V\" %V_rms2)"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "for firing angle=0deg\n",
- "rms value of load voltage=-369.12 V\n",
- "for firing angle=30deg\n",
- "rms value of load voltage=-369.12 V\n"
- ]
- }
- ],
- "prompt_number": 4
- }
- ],
- "metadata": {}
- }
- ]
-}
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