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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
LAB MANUAL
Subject Code: 3EE8A
ELECTRICAL CIRCUIT LAB
(II B. Tech III Semester EE)
Established in year 2000
DEPARTMENT OF ELECTRICAL ENGINEERING
STANI MEMORIAL COLLEGE OF ENGINEERING & TECHNOLOGY,PHAGI, JAIPUR – 303005
Website: www.smcet.in
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
3EE8A ELECTRICAL CIRCUIT LAB
SYLLABUS
1. Draw the circuit symbols.2. Verify theorems for A. C. & D. C. circuits.3. PSPICE Programs for Circuit Analysis:
A. DC: Analysis resistor networks to determine node voltages, components voltages, and component currents.
B. DC: Analysis of resistor networks that have several voltage and current sources and variable load resistors.
C. Transient: Analysis of RC & RL circuits to produce tables of component voltage & current levels for a given set of time instants & to produce graphs of voltages & currents versus time.
D. AC: Analysis of impedance networks to determine the magnitude & phase of node voltages, components voltages and component currents.
4. Determine the magnitude & phase and component voltages and currents in resonant circuits & produce voltage and current verses frequency graphs.
5. Programs for Circuit Analysis:A. Calculate the resistance of a conductor, given its dimensions
& resistivity or determine the change in conductor resistance when the temp changes.
B. D.C.: Analysis of resistor networks to determine all junction voltages, component voltages, and component currents.
C. Transient: Analysis RC & RL circuits to produce tables of component voltage & current levels for a given set of time instants.
6. Convert Y-connected resistor networks to delta-connected circuits.
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
EXPERIMENT NO. 1
Aim: - Draw the circuit symbols.
Apparatus Required: - Resistors, Capacitors, Transistor, Diode, Batteries, single cell, multi-cell Inductor, Transformer
Theory:-
1 Resistors
2 Potentiometer:
3 Capacitors
4
NPN Transistor
5PNP transistor
6n-channel junction gate field-effect
transistor (JFET)
7p-channel junction gate field-effect
transistor (JFET)
8Field-effect transistor
9Diode
10Zener diode
11Tunnel diode
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
12Schottky diode
13Light Emitting Diode (LED)
14Photodiode
15Varicap
16Vacuum tube diode
17Vacuum tube triode
18Vacuum tube tetrode
19Vacuum tube pentode
20Switch, Single Pole/Single Throw
(SPST)
21Switch, Single Pole/Double Throw
(SPDT)
22Switch, Double Pole/Double Throw
(DPDT)
23Batteries, single cell, multi-cell
24Inductor
25Transformer, with center tap
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
26Silicon-controlled rectifier
27Fuse: IEC (top) and American (lower
two)
28Shielded Wire
29Tie Point
30Ground Connection
31Ground Chassis
32Connecter
33Push Button
34Manually operated Switch (Normally
Opened and Closed )
35Circuit Breaker
36Relay Coil
37Transformer
38Tachometer
Circuit Diagram:-
Precaution :-
1. Do not touch any live conductor.
2. Study the symbol of element very carefully.
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
Procedure:-
Observation Table:-
Calculations:-
Result:- Drawing the circuit symbol has been done.
References:-
1. Circuit Theory (A. Chakrabarti)2. http://www.allbookez.com/chakrabarti-circuit-theory/
Viva voice Question:-
Q.1 what is the role of transformer ?
Q.2 which quantity is measured by Tachometer?
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
EXPERIMENT NO. 2
Aim:- Verify theorems for A. C. & D. C. circuits.
Apparatus Required:- Resistance, capacitor, AC source ,DC source, inductance etc.
Theory:-
Circuit Diagram:-
1. Simulation for DC Theorems:-
Fig. 1:- Simulation Diagram
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
2. Simulation for AC Theorem:-
Fig 2:-Circuit diagram for Simulation.
Precaution:-
1. Connection should be proper. Loose connection is not allowed.2. Do not touch any live wire or part.3. Before switch on the supply, the connection should be checked by lab assistant.4. Do not damage the terminals of part or wire etc.
Procedure:-
Observation Table:-
Observation Table I:-
S. No. Component Name Component Value1 DC Volt. Source (V) 100 Volt.2 Resistance (R1) 10 Ohm3 Resistance (R2) 30 Ohm4 Resistance (R3) 12 Ohm5 Resistance (R4) 60 Ohm
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
Observation Table II:-
S. No. Compnent Name Component Value1 AC Voltage Source (v) 100 volt., 50 Hz.2 Resistance (R1) 10 Ohm3 Resistance (R2) 12 Ohm4 Inductor (L1) 0.16 H5 Capaciter (C1) 0.0062 F
Result:- We have successfully Verified theorems for A. C. & D. C. circuits.
Simulation Results:-
S. No. Component Name Volt. Drop Current 1 Resistance (R1) 28.81 Volt. 2.881 Amp.2 Resistance (R2) 50.85 Volt. 1.695 Amp.3 Resistance (R3) 20.34 Volt. 1.695 Amp.4 Resistance (R4) 71.19 Volt. 1.186 Amp.
Fig.3: (a) Volt. and Current in Resistance R1, (b) Volt. and Current in Inductor L1.
Fig. 4: (a) Volt. and Current in Resistance R2 (b) Volt. and Current in Capacitor C1.
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
References:-
1. Circuit Theory (A. Chakrabarti)2. http://www.engr.siu.edu/staff1/hatz/ECE235/ECE235LabManual.pdf
Viva voice Question:-
Q. 1 Give the statement of Superposition Theorem.
Q. 2 State the Nortan Theorems.
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
EXPERIMENT NO. 3
Aim:- DC-analyze resistor networks to determine node voltages, components voltages, and component currents.
Apparatus Required:- Resistance, capacitor, AC source ,DC source, inductance etc.
Theory:-
Circuit Parameter:-
S. No. Component Name Component Value1 DC Volt. Source (V) 100 Volt.2 Resistance (R1) 10 Ohm3 Resistance (R2) 30 Ohm4 Resistance (R3) 12 Ohm5 Resistance (R4) 60 Ohm
Circuit Diagram:-
Fig. 1:- Simulation Diagram
Precaution:-
1. Connection should be proper. Loose connection is not allowed.2. Do not touch any live wire or part.
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
3. Before switch on the supply, the connection should be checked by lab assistant.4. Do not damage the terminals of part or wire etc.
Procedure:-
Observation Table:-
Calculations:-
Results:-
Simulation Results:-
S. No. Component Name Volt. Drop Current 1 Resistance (R1) 28.81 Volt. 2.881 Amp.2 Resistance (R2) 50.85 Volt. 1.695 Amp.3 Resistance (R3) 20.34 Volt. 1.695 Amp.4 Resistance (R4) 71.19 Volt. 1.186 Amp.
References:-
1. Circuit Theory (A. Chakrabarti)2. http://www.engr.siu.edu/staff1/hatz/ECE235/ECE235LabManual.pdf
Viva- Voice:-
Q.1 Give the statement of KVL.
Q.2 Make the circuit symbol of Zener Diode.
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
EXPERIMENT NO. 4
Aim:- Analyze resistor networks that have several voltage and current sources and variable load resistors.
Apparatus Required:- Resistance, capacitor, AC source ,DC source, inductance etc.
Theory:-
Circuit Parameters:-
S. No Component Component Value1 Voltage Source (V1) 20 Volt.2 Voltage Source (V2) 10 Volt.3 Voltage Source (V3) 100 Amp.4 Current Source (I1) 2 Amp.5 Current Source (I2) 1 Amp.6 Resistance (R1) 6 Ohm7 Resistance (R2) 5 Ohm8 Resistance (R3) 12 Ohm9 Resistance (R4) 2 Ohm10 Resistance (R5) 10 Ohm11 Resistance (R6) 30 Ohm12 Resistance (R7) 20 Ohm13 Resistance (RL) 10 Ohm
Circuit Diagram:-
Fig.1:-Simulation diagram of the circuit
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
Precaution:-
1. Connection should be proper. Loose connection is not allowed.2. Do not touch any live wire or part.3. Before switch on the supply, the connection should be checked by lab assistant.4. Do not damage the terminals of part or wire etc.
Procedure:-
Observation Table:-
Calculations:-
Results:- We have performed the experiment and obtained load current value 1.355.
References:-
1. Circuit Theory (A. Chakrabarti)2. http://www.engr.siu.edu/staff1/hatz/ECE235/ECE235LabManual.pdf
Viva- Voice:-
Q.1 Give the statement of KCL.
Q.2 Make the Circuit symbol of Variable capacitance.
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
EXPERIMENT NO. 5
Aim:- Transient –analyze RC & RL circuits to produce tables of component voltage & current levels for a given set of time instants & to produce graphs of voltages & currents versus time.
Apparatus Required:- Resistance, capacitor, AC source ,DC source, inductance etc.
Theory:-
Circuit parameters:-
S. No. Component Name Component value / Rating1 Battery 4 Volt.2 Resistance (R) 8 Ohm3 Inductance (L) 18 mH
S. No. Component Name Component value / Rating1 Battery 4 Volt.2 Resistance (R) 8 Ohm3 Capacitance (C) 1 mF
Circuit Diagram:-
RL transient Circuit:
Fig. 1:- Circuit for R-L transient
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
RC Transient Circuit:-
Fig. 3: Simulation Circuit for R-C Transient.
Precaution:-
1. Connection should be proper. Loose connection is not allowed.2. Do not touch any live wire or part.3. Before switch on the supply, the connection should be checked by lab assistant.4. Do not damage the terminals of part or wire etc.
Procedure:-
Observation Table:-
Calculations:-
Results:- We have analyzed RC & RL circuits to produce tables of component voltage & current levels for a given set of time instants & to produce graphs of voltages & currents versus time.
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
Simulation Results:-
Fig. 2:-Simulation result for R-L transient (a) Current through the circuit. (b) Voltage across inductor. (c) Voltage across Resistance.
Fig. 4:-Simulation result for R-C transient (a) Current through the circuit. (b) Voltage across capacitor. (c) Voltage across Resistance.
References:-
1. Circuit Theory (A. Chakrabarti)2. http://www.engr.siu.edu/staff1/hatz/LabManual.pdf
Viva- Voice:-
Q.1 Give the statement of Maximum Power Transfer Theorem.
Q.2 Make the Circuit symbol of CRO.
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
EXPERIMENT NO. 6
Aim:- AC-analyze impedance networks to determine the magnitude & phase of node voltages, components voltages and component currents.
Apparatus Required:- Resistance, capacitor, AC source ,DC source, inductance etc.
Theory:-
Circuit parameters:-
S. No. Compnent Name Component Value1 AC Voltage Source (v) 100 volt., 50 Hz.2 Resistance (R1) 10 Ohm3 Resistance (R2) 12 Ohm4 Inductor (L1) 0.16 H5 Capaciter (C1) 0.0062 F
Circuit Diagram:-
Fig 1:-Circuit diagram for Simuliation.
Precaution:-
1. Connection should be proper. Loose connection is not allowed.2. Do not touch any live wire or part.3. Before switch on the supply, the connection should be checked by lab assistant.4. Do not damage the terminals of part or wire etc.
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
Procedure:-
Observation Table:-
Calculations:-
Results:- We have analyzed impedance networks to determine the magnitude & phase of node voltages, components voltages and component currents
Simulation Results:-
Fig. 2: (a) Volt. and Current in Resistance R1, (b) Volt. and Current in Inductor L1.
Fig. 3: (a) Volt. and Current in Resistance R2 (b) Volt. and Current in Capacitor C1.
References:-
1. Circuit Theory (A. Chakrabarti)
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
2. Hayt&Kemmerly, “Engineeirng Circuit Analysis”, 6/e (TMH)
Viva- Voice:-
Q.1 Give the statement of Maximum Power Transfer Theorem.
Q.2 Make the Circuit symbol of CRO.
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
EXPERIMENT NO. 7
Aim:- Determine the magnitude & phase and component voltages and currents in resonant circuits & produce voltage and current v/s frequency graphs.
Apparatus Required:- Resistance, capacitor, AC source ,DC source, inductance etc.
Theory:-
Circuit parameters:-
S. No Component Component Value1 Source Voltage 2302 Resistance (R) 60 Ohm3 Inductance (L) 0.01 H4 Capacitance (C) 0.0010 F
Circuit Diagram:-
Fig.1:-Simulation diagram of the circuit.
Precaution:-
1. Connection should be proper. Loose connection is not allowed.2. Do not touch any live wire or part.3. Before switch on the supply, the connection should be checked by lab assistant.
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
4. Do not damage the terminals of part or wire etc.
Procedure:-
Observation Table:-
Calculations:-
Results:- We have Determined the magnitude & phase and component voltages and currents in resonant circuits & produce voltage and current v/s frequency graphs.
Fig 2:- Output of vl and vc ((output of scope).
Fig. 3:- Current in circuit (output of scope1).
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
Fig 4:- Volt across resistance (output of scope 2).
References:-
1. Circuit Theory (A. Chakrabarti)2. http://www.engr.siu.edu/staff1/hatz/LabManual.pdf
Viva- Voice:-
Q.1 Give the statement of Maxwell Theorem.
Q.2 Make the Circuit symbol of Diode.
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
EXPERIMENT NO. 8
Aim:- Calculate the resistance of a conductor given it’s dimension and resistivity, also determine the change in conductor when the temp. changes.
Apparatus Required:- Power supply, Turbo C++.
Theory:-
Program:-%Calculate the resistance of a conductor given it’s dimension and%resistivity, also determine the change in conductor when the temp. %changes.clcclearch=1;while (ch==1) disp('1 if Resistivity, length, Cross Section Area is Given and 2 if Temp.') disp(' coefficient, Old Temp. Resistance, Temp Difference given') choice=input('Enter your choice: '); switch (choice) case 1 ro = input('Enter the value of conductor resistivity(in ohm/m^2): '); l = input('enter the value of length (in meter): '); A = input('enter the value of area (in meter^2): '); R = ro*l*A ch=input('If You want to calculate more, than enter 1 else 2 '); case 2 t1 = input('enter value of initial temperature(in degree celcious): '); t2 = input('enter value of final temperature (in degree celcious): '); t = t2 - t1; r1 = input('resistance at temp. t1 (in ohm): '); a= input('enter value of temperature co-efficient: '); disp('resistance at t2 (in ohm): ') R2 = r1*(1+(a*t)) ch=input('If You want to calculate more, than enter 1 else 2 '); otherwise disp('Incorrect input argument, to find parameter please run program again') disp('Thanks Program by ASHOK KUMAR') ch=input('If You want to calculate more, than enter 1 else 2 '); endend
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
Circuit Diagram:-
Precaution:-
1. Do not tamper with software settings.
Procedure:-
Observation Table:-
Calculations:-
Results:-
Output
1 if Resistivity, length, Cross Section Area is Given and 2 if Temp.
coefficient, Old Temp. Resistance, Temp Difference given
Enter your choice: 1
Enter the value of conductor resistivity(in ohm/m^2): 0.00043
enter the value of length (in meter): 2
enter the value of area (in meter^2): 5
R =
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
0.0043
If You want to calculate more, than enter 1 else 2 1
1 if Resistivity, length, Cross Section Area is Given and 2 if Temp.
cofficient, Old Temp. Resistance, Temp Difference given
Enter your choice: 2
enter value of initial temperature(in degree celcious): 37
enter value of final temperature (in degree celcious): 54
resistance at temp. t1 (in ohm): 2
enter value of temperature co-efficient: 3
resistance at t2 (in ohm):
R2 =
104
If You want to calculate more, than enter 1 else 2 2
>>
References:-
1. Circuit Theory (A. Chakrabarti)
Viva- Voice:-
Q.1 what is dependency of temp on the resistance?
Q.2 Make the Circuit symbol of Temp Dependent Resistance.
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
EXPERIMENT NO. 9
Aim :- D.C.-analyze resistor networks to determine all junction voltages, component voltages, and component currents.
Apparatus Required:- Power supply, Turbo C++.
Theory:-
Program:-
%This Program calculate:-%D.C.-analyze resistor networks to determine all junction voltages, %component voltages, and component currents. clcclear% First Input all circuit papametersV=input('Enter the value of source voltage (In Volt.) = ');R1=input('Enter the value of Resistance R1 (In Ohm)) = ');R2=input('Enter the value of Resistance R2 (In Ohm)) = ');R3=input('Enter the value of Resistance R3 (In Ohm)) = ');R4=input('Enter the value of Resistance R4 (In Ohm)) = ');%Now total current I in the circuit will be given by I=V/Req%and Req is given by Req=(R1+(R4*(R2+R3))/(R2+R3+R4))Req=(R1+(R4*(R2+R3))/(R2+R3+R4));I=V/Req;% From Current division rule current in R2 will be given by%I2=I*R4/(R2+R3+R4)I2=I*R4/(R2+R3+R4);% From Current division rule current in R2 will be given by%I2=I*(R2+R3)/(R2+R3+R4)I3=I*(R2+R3)/(R2+R3+R4);%Now Display all quantitydisp('Current through R1 is'), Idisp('Voltage across R1 is '), V1=I*R1disp('Current through R2 is'), I2disp('Voltage across R2 is '), V2=I2*R2disp('Current through R3 is'), I2disp('Voltage across R3 is '), V3=I2*R3disp('Current through R4 is'), I3disp('Voltage across R4 is '), V4=I3*R4disp('Node Voltage Vnode is '),Vnode=V4
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
Circuit Diagram:-
Fig 1:-Reference Circuit for the program.
Precaution:-
1. Do not tamper with software settings.
Procedure:-
Observation Table:-
Calculations:-
Results:-
Enter the value of source voltage (In Volt.) = 100
Enter the value of Resistance R1 (In Ohm)) = 10
Enter the value of Resistance R2 (In Ohm)) = 30
Enter the value of Resistance R3 (In Ohm)) = 12
Enter the value of Resistance R4 (In Ohm)) = 60
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
Current through R1 is
I =
2.8814
Voltage across R1 is
V1 =
28.8136
Current through R2 is
I2 =
1.6949
Voltage across R2 is
V2 =
50.8475
Current through R3 is
I2 =
1.6949
Voltage across R3 is
V3 =
20.3390
Current through R4 is
I3 =
1.1864
Voltage across R4 is
V4 =
71.1864
Node Voltage Vnode is
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
Vnode =
71.1864
>>
References:-
1. Circuit Theory (A. Chakrabarti)
Viva- Voice:-
Q.1 what is Junction Voltage?
Q.2 Make the Circuit symbol of dependent voltage source.
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
EXPERIMENT NO. 10
Aim:- Transient analysis RC & RL ckts to produce table of component volts and current levels for given set of your time interval.
Apparatus Required:- Power supply, Turbo C++.
Theory:-
Program:-%Transient analysis RC & RL ckts to produce table of component volts and %current levels for given set of your time interval.clcclearch=1;while (ch==1) disp('Enter 1 for R-L ckt or 2 for R-C ckt.') choice=input('Enter your choice: '); switch (choice) case 1 disp('Please enter circuit parameter for Series R-L circuit: ') R=input('Enter the value of circuit Resistance R (in Ohm): '); L=input('Enter the value of circuit Inductance L (in Henery): '); V=input('Enter the value of circuit Voltage V (in Volts.): '); t=input('Enter the value of Time t (in sec): '); I=(V/R)*(1-exp(-R*t/L)) VR=I*R VL=V-VR ch=input('If You want to calculate more, than enter 1 else 2 '); case 2 disp('Please enter circuit parameter for Series R-C circuit: ') R=input('Enter the value of circuit Resistance R (in Ohm): '); C=input('Enter the value of circuit Inductance C (in Farad): '); V=input('Enter the value of circuit Voltage V (in Volts.): '); t=input('Enter the value of Time t (in sec): '); I=(V/R)*(1-exp(-R*t*C)) VR=I*R VC=V-VR ch=input('If You want to calculate more, than enter 1 else 2 '); otherwise disp('Incorrect input argument, to find parameter please run program again') disp('Thanks Program by ASHOK KUMAR') ch=input('If You want to calculate more, than enter 1 else 2 ');
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
endenddisp('Thanks Program by XYZ')
Circuit Diagram:-
Precaution:-
1. Do not tamper with software settings.
Procedure:-
Observation Table:-
Calculations:-
Result:-
Enter 1 for R-L ckt or 2 for R-C ckt.
Enter your choice: 1
Please enter circuit parameter for Series R-L circuit:
Enter the value of circuit Resistance R (in Ohm): 10
Enter the value of circuit Inductance L (in Henery): .018
Enter the value of circuit Voltage V (in Volts.): 50
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
Enter the value of Time t (in sec): .0032
I =
4.1549
VR =
41.5493
VL =
8.4507
If You want to calculate more, than enter 1 else 2 1
Enter 1 for R-L ckt or 2 for R-C ckt.
Enter your choice: 2
Please enter circuit parameter for Series R-C circuit:
Enter the value of circuit Resistance R (in Ohm): 10
Enter the value of circuit Inductance C (in Farad): .018
Enter the value of circuit Voltage V (in Volts.): 50
Enter the value of Time t (in sec): .0032
I =
0.0029
VR =
0.0288
VC =
49.9712
If You want to calculate more, than enter 1 else 2 2
disp('Thanks Program by XYZ)
>>
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
References:-
1. Circuit Theory (A. Chakrabarti)
Viva- Voice:-
Q.1 value of internal resistance of idea voltage source?
Q.2 Make the Circuit symbol of independent voltage source.
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
EXPERIMENT NO. 11
Aim:- Convert Y-connected resistor networks to delta-connected circuits.
Apparatus Required:- Power supply, Turbo C++.
Theory:-
Program:-clcclearch=1;while (ch==1) choice=input('Enter your choice: 1 for Y-D and 2 for D-Y Transformation '); switch (choice) case 1 R1=input('Enter the value of resistance 1 '); R2=input('Enter the value of resistance 2 '); R3=input('Enter the value of resistance 3 '); R12=(R1*R2)/(R1+R2+R3) R23=(R2*R3)/(R1+R2+R3) R31=(R3*R1)/(R1+R2+R3) disp('Thanks Program by ASHOK KUMAR') ch=input('If You want to calculate more, than enter 1 else 2 '); case 2 R12=input('Enter the value of resistance 12 '); R23=input('Enter the value of resistance 23 '); R31=input('Enter the value of resistance 31 '); R1=(R12*R23+R23*R31+R31*R23)/R23 R2=(R12*R23+R23*R31+R31*R23)/R31 R3=(R12*R23+R23*R31+R31*R23)/R12 disp('Thanks Program by XYZ) ch=input('If You want to calculate more, than enter 1 else 2 '); otherwise disp('Incorrect input argument, to find parameter please run program again') disp('Thanks Program by XYZ) ch=input('If You want to calculate more, than enter 1 else 2 '); endend
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
Circuit Diagram:-
Precaution:-
1. Do not tamper with software settings.
Procedure:-
Observation Table:-
Calculations:-
Result:-
Enter your choice: 1 for Y-D and 2 for D-Y Transformation 1
Enter the value of resistance 1 4
Enter the value of resistance 2 4
Enter the value of resistance 3 4
R12 =
1.3333
R23 =
1.3333
R31 =
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Stani Memorial College of Engineering And Technology, PhagiElectrical Engineering
3EE8A Electrical Circuit Lab Manual
1.3333
Thanks Program by ASHOK KUMAR
If You want to calculate more, than enter 1 else 2 1
Enter your choice: 1 for Y-D and 2 for D-Y Transformation 2
Enter the value of resistance 12 4
Enter the value of resistance 23 4
Enter the value of resistance 31 4
R1 =
12
R2 =
12
R3 =
12
Thanks Program by XYZ
If You want to calculate more, than enter 1 else 2 2
References:-
1. Circuit Theory (A. Chakrabarti)
Viva- Voice:-
Q.1 value of internal resistance of idea current source?
Q.2 Make the Circuit symbol of independent current source.
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