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-rwxr-xr-xt_by_t/README.txt10
-rwxr-xr-xt_by_t/anubhav.ipynb335
-rwxr-xr-xt_by_t/screenshots/blank1.png0
-rwxr-xr-xt_by_t/screenshots/blank1_(another_copy).png0
-rwxr-xr-xt_by_t/screenshots/blank1_(copy).png0
5 files changed, 0 insertions, 345 deletions
diff --git a/t_by_t/README.txt b/t_by_t/README.txt
deleted file mode 100755
index ac59ae1b..00000000
--- a/t_by_t/README.txt
+++ /dev/null
@@ -1,10 +0,0 @@
-Contributed By: t t
-Course: mtech
-College/Institute/Organization: t
-Department/Designation: t
-Book Title: t
-Author: t
-Publisher: t
-Year of publication: 1
-Isbn: 4
-Edition: 1 \ No newline at end of file
diff --git a/t_by_t/anubhav.ipynb b/t_by_t/anubhav.ipynb
deleted file mode 100755
index 61f4f2a7..00000000
--- a/t_by_t/anubhav.ipynb
+++ /dev/null
@@ -1,335 +0,0 @@
-{
- "metadata": {
- "name": "",
- "signature": "sha256:695be6f5d590e853c0078224291d8b06e5e832ca7707f21f65e700432eacc419"
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "heading",
- "level": 1,
- "metadata": {},
- "source": [
- "Chapter15:POWER SYSTEMS"
- ]
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Ex15.1:pg-696"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "V1=250\n",
- "V2=480\n",
- "Vol2_by_Vol1=V1/V2\n",
- "\n",
- "sav=(1-Vol2_by_Vol1)*100\n",
- "print(sav)\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "100\n"
- ]
- }
- ],
- "prompt_number": 2
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Ex15.2:pg-697"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "P=5E6\n",
- "pf=0.85\n",
- "V=33000\n",
- "l=50000\n",
- "rho=3E-8\n",
- "Pt=P*pf\n",
- "Pl=Pt*0.1\n",
- "I=P/V\n",
- "A1=2*I*I*rho*l/Pl\n",
- "Vol1=2*l*A1\n",
- "print(Vol1)\n",
- "Il=P/sqrt(3)/V\n",
- "A2=3*Il*Il*rho*l/Pl\n",
- "Vol2=3*l*A2\n",
- "print(Vol2)\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "16.2048290391\n",
- "12.1536217793"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "\n"
- ]
- }
- ],
- "prompt_number": 1
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Ex15.3:pg-698"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import math\n",
- "f=50\n",
- "w=2*math.pi*f\n",
- "I=0.8\n",
- "V=220\n",
- "P=75\n",
- "phi=math.acos(P/V/I)\n",
- "\n",
- "phi_new=math.acos(0.9)\n",
- "Ic=I*cos(phi)*(tan(phi)-tan(phi_new))\n",
- "C=Ic/V/w\n",
- "print\"C=\",round(C,8)\n",
- "\n",
- "phi_new=math.acos(1)\n",
- "Ic=I*cos(phi)*(tan(phi)-tan(phi_new))\n",
- "C=Ic/V/w\n",
- "print\"C=\",round(C,8)\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "C= 1.157e-05\n",
- "C= 1.157e-05\n"
- ]
- }
- ],
- "prompt_number": 7
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Ex15.4:pg-698"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import math\n",
- "Cond_cost=100\n",
- "charge=60\n",
- "phi2=math.asin(0.1*Cond_cost/charge)\n",
- "pf=cos(phi2)\n",
- "print(pf)\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "0.986013297183\n"
- ]
- }
- ],
- "prompt_number": 8
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Ex15.5:pg-699"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "Oc=400000\n",
- "pf1=0.8\n",
- "phi1=math.acos(pf1)\n",
- "ab=Oc/cos(phi1)*sin(phi1)\n",
- "pf2=0.25\n",
- "phi3=math.acos(pf2)\n",
- "pf2=0.484\n",
- "\n",
- "gammaa=(ab-pf2*Oc)/(pf2*cos(phi3)+sin(phi3))\n",
- "print(gammaa)\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "97682.2645812\n"
- ]
- }
- ],
- "prompt_number": 9
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Ex15.6:pg-700"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "f=50\n",
- "w=2*math.pi*f\n",
- "P=2E6\n",
- "V=11000\n",
- "pf=0.8\n",
- "phi=math.acos(pf)\n",
- "Xl=10\n",
- "IR=P/sqrt(3)/V/pf\n",
- "Vr=V/sqrt(3)\n",
- "Vs=Vr+IR*Xl*sin(phi)\n",
- "Vsll=Vs*sqrt(3)\n",
- "print(Vsll)\n",
- "VR=Vsll/V-1\n",
- "print(VR)\n",
- "\n",
- "pf=1\n",
- "print(pf)\n",
- "Qc=P*tan(phi)\n",
- "C=Qc/V/V/w\n",
- "print(C)\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "12363.6363636\n",
- "0.123966942149\n",
- "1\n",
- "3.94599032459e-05\n"
- ]
- }
- ],
- "prompt_number": 10
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Ex15.7:pg-701"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "f=50\n",
- "w=2*math.pi*f\n",
- "V=33000\n",
- "Vr=V/sqrt(3)\n",
- "P=24E6/3\n",
- "pf=0.8\n",
- "phi=math.acos(pf)\n",
- "Ia=P/Vr/pf\n",
- "Rl=4.0\n",
- "Xl=20\n",
- "Vs=Vr+Ia*(Xl*sin(phi)+Rl*cos(phi))\n",
- "Vsll=sqrt(3)*Vs\n",
- "VR=Vsll/V-1\n",
- "print(Vsll)\n",
- "Ia=Ia*exp(-1j*phi)\n",
- "print(norm(Ia))\n",
- "\n",
- "phi1=math.atan(-Rl/Xl)\n",
- "pf=cos(phi1)\n",
- "Ia1=P/Vr/pf\n",
- "Ia1=Ia1*exp(-1j*phi1) #calculation mistake in the book at this step\n",
- "\n",
- "Ic=Ia1-Ia\n",
- "C=norm(Ic/w/Vr)\n",
- "print(C)\n",
- "\n",
- "LL1=norm(Ia*Ia*Rl)\n",
- "effi1=P/(P+LL1)\n",
- "LL2=norm(Ia1*Ia1*Rl)\n",
- "effi2=P/(P+LL2)\n",
- "print(effi1)\n",
- "print(effi2)\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "46818.1818182\n",
- "524.863881081"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "\n",
- "6.66433921487e-05\n",
- "0.878934624697\n",
- "0.916018976481\n"
- ]
- }
- ],
- "prompt_number": 11
- }
- ],
- "metadata": {}
- }
- ]
-} \ No newline at end of file
diff --git a/t_by_t/screenshots/blank1.png b/t_by_t/screenshots/blank1.png
deleted file mode 100755
index e69de29b..00000000
--- a/t_by_t/screenshots/blank1.png
+++ /dev/null
diff --git a/t_by_t/screenshots/blank1_(another_copy).png b/t_by_t/screenshots/blank1_(another_copy).png
deleted file mode 100755
index e69de29b..00000000
--- a/t_by_t/screenshots/blank1_(another_copy).png
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diff --git a/t_by_t/screenshots/blank1_(copy).png b/t_by_t/screenshots/blank1_(copy).png
deleted file mode 100755
index e69de29b..00000000
--- a/t_by_t/screenshots/blank1_(copy).png
+++ /dev/null
generated by cgit (git 2.34.1) at 2025-02-05 08:43:12 +0000