Download Previous Year PTU Question Papers of Analog Electronics 4th Sem April 2013 Paper Total No. of Questions : 09 Total No. of Pages : 02 B.Tech. (EE/EEE) (Sem.–4th) … Read more
Download Previous Year Diploma Paper of Electrical Engg.Materials EE-208 4th Sem Nov 2016 B.Tech EE Paper B.Tech. (EE/EEE) (Sem.–4) ELECTRICAL ENGINEERING MATERIALS Subject Code : EE-208 … Read more
Download Previous Year PTU University Question Paper of Electromagnetic Fields 4th Sem B.Tech PTU April 2019 Question Paper B.Tech. (EE-2011 Batch) Electromagnetic Fields Subject Code : BTEE-403 Paper ID : [ A1206] Time : 3 Hrs. Max. Marks : … Read more
Download Previous Year PTU University Question Paper of Electromagnetic Fields 4th Sem B.Tech PTU Nov 2018 Question Paper B.Tech. (EE-2011 Batch) Electromagnetic Fields Subject Code : BTEE-403 Paper ID : [ A1206] Time : 3 Hrs. Max. Marks : … Read more
Download Previous Year PTU University Question Paper of Power Plant Engineering BTEE-406 4th Sem Batch 2011 Onwards B.Tech PTU Nov 2016 Question Paper B.Tech. (EE-2011 Batch) POWER PLANT ENGINEERING Subject Code : BTEE-406 Paper ID : [ 57110] Time : 3 Hrs. … Read more
Download Previous Year PTU University Question Paper of Power Plant Engineering BTEE-406 4th Sem Batch 2011 Onwards B.Tech PTU Nov 2018 Question Paper B.Tech. (EE-2011 Batch) POWER PLANT ENGINEERING Subject Code : BTEE-406 Paper ID : [ 57110] Time : 3 Hrs. … Read more
Download Previous Year PTU University Question Paper of Power Plant Engineering BTEE-406 4th Sem Batch 2011 Onwards B.Tech PTU Nov 2019 Question Paper B.Tech. (EE-2011 Batch) POWER PLANT ENGINEERING Subject Code : BTEE-406 Paper ID : [ 57110] Time : 3 Hrs. … Read more
Download Previous Year PTU University Question Paper of Power System-1 BTEE-405 4th Sem Batch 2011 Onwards B.Tech PTU April 2013 Question Paper
B.Tech.(EE-2011 Batch)
POWER SYSTEM-1
Subject Code : BTEE-405 Paper ID : [ A1208]
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES : 1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each. 2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions. 3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions
Power System-1 4th Sem Batch 2011 Onwards B.Tech PTU April 2013 Question Paper
SECTION-A
Q1. Write Short Notes on :
a) State disadvantages of HVDC transmission. b) Give the advantages of high voltage AC transmission. c) Mention limitations of Kelvin’s law. d) Enumerate merits of bundled conductor. e) Define safety factor of insulator and give its significance. f) What is skin effect ? Why is it absent in the dc system? g) Define the terms feeder and distributor. h) What is the importance of intersheath in cables? i) State advantages of placing series capacitors in transmission lines. j) What is meant by surge impedance loading?
SECTION-B
Q2. Attempt any FOUR questions. 5×4=20
2. Compare the volume of conductor material required in dc single phase and three-phase ac system. 3. In a 33 kV overhead line, there are three units in the string of insulators. If the capacitance between each insulator pin and earth is 11% of self-capacitance of each insulator, find : (a) the distribution of voltage over 3 insulators (b) string efficiency. 4. A single phase transmission line has two parallel conductors 3 m apart, the radius of each conductor being 1 cm. Calculate the loop inductance per km length of the line if the material of the conductor is : (a) copper (b) steel with relative permeability of 100. 5. Show how regulation and transmission efficiency are determined for medium lines using nominal T method. Illustrate your answer with suitable vector diagram. 6. Derive an expression for the insulation resistance of a single-core cable.
SECTION-C
Q3. Attempt any TWO questions. 2×10=20
7. (a) What is the percentage saving in feeder copper if the line voltage in a 2-wire dc system is raised from 200 volts to 400 volts for the same power transmitted over the same distance and having the same power loss? (b) Show that in a string of suspension insulators, the disc nearest to the conductor has the highest voltage across it. (6,4) 8. (a) Describe the Receiving end circle diagram for long transmission lines based on ABCD constants. (b) Discuss the effect of earth on capacitance of conductors. (6,4) 9. Write short notes on any two of the followings : (a) Synchronous phase modifiers (b) Kelvin’s law (c) Compensation of transmission lines. (2×5)
A 33 kV overhead line, there are three units in the string of insulators. If the capacitance between each insulator pin and earth is 11% of self-capacitance of each insulator, find : (a) the distribution of voltage over 3 insulators (b) string efficiency.
Single phase transmission line has two parallel conductors 3 m apart, the radius of each conductor being 1 cm. Calculate the loop inductance per km length of the line if the material of the conductor is : (a) copper (b) steel with relative permeability of 100.
Expression for the insulation resistance of a single-core cable.
Power System-1 4th Sem Batch 2011 B.Tech PTU April 2013 Question Paper
Power System-1 4th Sem Batch 2011 Onwards B.Tech PTU April 2013 Question Paper
Get Started
https://www.youtube.com/watch?v=UHX6f8TIvX8https://www.youtube.com/watch?v=M_RR6LVICp0https://www.youtube.com/watch?v=mV41CMWonN4https://www.youtube.com/watch?v=s0LVPE0Q3LE&list=PLA9Q9SDZ781WXNAWit379A4CRLMvjGiUw&index=14&t=0s
Find percentage saving in feeder copper if the line voltage in a 2-wire dc system is raised from 200 volts to 400 volts for the same power transmitted over the same distance and having the same power loss.
Short Note on (c) Compensation of transmission lines.
Power System-1 4th Sem Batch 2011 B.Tech PTU April 2013 Question Paper
MY YOUTUBE CHANNEL
JK Smart Classes Upload Lecture for Degree classes like B.TECH,M.TECH in any stream like ECE,EE,ME and Civil Engineering
JK SMART CLASSES
ER.JASWINDER KUMAR
JK SMART LECTURE
ER.JASWINDER KUMAR
Engineering Classes Upload Lecture for Polytechnic Diploma classes in any stream like ECE,EE,ME and Civil Engineering
ENGINEERING CLASSES
ER.JASWINDER KUMAR
er.jaswinder kumar
Senior Lecturer
Download Previous Year PTU University Question Paper of Power System-1 BTEE-405 4th Sem Batch 2011 Onwards B.Tech PTU Nov 2016 Question Paper
B.Tech.(EE-2011 Batch)
POWER SYSTEM-1
Subject Code : BTEE-405 Paper ID : [ A1208]
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES : 1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each. 2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions. 3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions
Power System-1 4th Sem Batch 2011 Onwards B.Tech PTU Nov 2016 Question Paper
SECTION-A
Q1. Write Short Notes on :
a) Why is electrical power preferably to be transmitted at a high voltage?
b) What is the purpose of insulator?
c) What are the materials mainly used in bus bar?
d) What is the main purpose of armouring?
e) State Kelvin’s law.
f) Why all overhead lines use ACSR conductors?
g) What is meant by inductive interference?
h) Why transpositions of conductors are done in overhead lines?
i) Define regulation of power transmission line.
j) What are the different tests that are conducted on an insulator?
SECTION-B
Q2. Attempt any FOUR questions. 5×4=20
2. What are the AC transmission and distribution level voltages we have in India?
3. Why the concept of self G.M.D is not applicable for capacitance?
4. What are the various properties of insulators? Also briefly explain about suspension type insulators.
5. Explain any two methods of grading of cables.
6. Discuss reactive power requirement of system and series compensation.
SECTION-C
Q3. Attempt any TWO questions. 2×10=20
7. Derive the expression for capacitance of a 1 transmission line.
8. A three phase 5 km long transmission line having resistance of 0.5 , / km and inductance of 1.76 mH/km is delivering power at 0.8 pf lagging. The receiving end voltage is 32 kV. If the supply end voltage is 33 kV, 50 Hz, find line current, regulation and efficiency of the transmission line.
9. A transmission line conductor at a river crossing is supported from two towers at heights of 30 m and 90 m above water level. The horizontal distance between the towers is 270 m. If the tension in the conductor is 1800 kg and the conductor weighs 1.0 kg per meter. Find the clearance between the conductor and the water at a point midway between the towers? Assume parabolic configuration.
Reactive power requirement of system and series compensation.
Power System-1 4th Sem Batch 2011 B.Tech PTU Nov 2016 Question Paper Click Here
Power System-1 4th Sem Batch 2011 Onwards B.Tech PTU nov 2016 Question Paper
Get Started
https://www.youtube.com/watch?v=UHX6f8TIvX8https://www.youtube.com/watch?v=M_RR6LVICp0https://www.youtube.com/watch?v=mV41CMWonN4https://www.youtube.com/watch?v=s0LVPE0Q3LE&list=PLA9Q9SDZ781WXNAWit379A4CRLMvjGiUw&index=14&t=0s
Three phase 5 km long transmission line having resistance of 0.5 , / km and inductance of 1.76 mH/km is delivering power at 0.8 pf lagging. The receiving end voltage is 32 kV. If the supply end voltage is 33 kV, 50 Hz, find line current, regulation and efficiency of the transmission line.
Transmission line conductor at a river crossing is supported from two towers at heights of 30 m and 90 m above water level. The horizontal distance between the towers is 270 m. If the tension in the conductor is 1800 kg and the conductor weighs 1.0 kg per meter. Find the clearance between the conductor and the water at a point midway between the towers? Assume parabolic configuration.
Power System-1 4th Sem Batch 2011 B.Tech PTU Nov 2016 Question Paper
MY YOUTUBE CHANNEL
JK Smart Classes Upload Lecture for Degree classes like B.TECH,M.TECH in any stream like ECE,EE,ME and Civil Engineering
JK SMART CLASSES
ER.JASWINDER KUMAR
JK SMART LECTURE
ER.JASWINDER KUMAR
Engineering Classes Upload Lecture for Polytechnic Diploma classes in any stream like ECE,EE,ME and Civil Engineering
ENGINEERING CLASSES
ER.JASWINDER KUMAR
er.jaswinder kumar
Senior Lecturer
Download Previous Year PTU University Question Paper of EMEC & DC Machines EE-202 4th Sem B.Tech EE PTU April 2013 Paper
B.Tech.(EE-2011 Batch)
EMEC & DC Machines
Subject Code : EE-202 Paper ID : [ A0407]
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES : 1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each. 2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions. 3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions
EMEC & DC Machines EE-202 4th Sem B.Tech EE PTU April 2013 Paper
SECTION-A
Q1. Write Short Notes on :
a) Why there is need of starters for DC motors? b) List the main parts of DC machine. What is importance of a commutator? c) How can we obtain the internal characteristics from external characteristics of a DC shunt generator? d) State and briefly discuss the principle of electromechanical energy conversion with one simple example. e) Define winding factors and benefits of short pitched coils. f) What is the function of compensation winding in a DC machine? g) If DC motor fails to start when switched on. What could be the possible reasons and remedies? h) When load is removed, _______ motor will run at the highest speed. i) Show the energy in magnetic field is expressed as E=l/2mH2=b2/2m j) Draw schematic diagram of a metadyne generator which behaves as a constant current generator.
SECTION-B
Q2. Attempt any FOUR questions. 5×4=20
2. What is commutations? What causes sparking on the commutator surface and how can it be avoided? Explain. 3. Discuss flow of energy in electromechanical devices via coupling fields to confirm the generating and motoring principles. 4. Classify DC generators. Show VI characteristics of all type of DC generators. 5. Explain why the speed torque characteristic of DC shunt motor is not linear in the high torque region. 6.A 60 KW, 250 V shunt motor takes 16A when running at 1440 The resistance of the armature and field are 0.2 Ohm and 125 Ohm respectively.When hot
a) Estimate the efficiency of the motor when taking 152A. b) Also estimate the efficiency if working as a generator and delivering a load current of 152A at 250 V.
SECTION-C
Q3. Attempt any TWO questions. 2×10=20
7. (a) What is the percentage saving in feeder copper if the line voltage in a 2-wire dc system is raised from 200 volts to 400 volts for the same power transmitted over the same distance and having the same power loss? (b) Show that in a string of suspension insulators, the disc nearest to the conductor has the highest voltage across it. (6,4) 8. (a) Describe the Receiving end circle diagram for long transmission lines based on ABCD constants. (b) Discuss the effect of earth on capacitance of conductors. (6,4) 9. Write short notes on any two of the followings : (a) Synchronous phase modifiers (b) Kelvin’s law (c) Compensation of transmission lines. (2×5)
Estimate the efficiency if working as a generator and delivering a load current of 152A at 250 V.
EMEC & DC Machines EE-202 4th Sem B.Tech EE PTU April 2013 Paper
EMEC & DC Machines EE-202 4th Sem B.Tech EE PTU April 2013 Paper
Get Started
https://www.youtube.com/watch?v=UHX6f8TIvX8https://www.youtube.com/watch?v=M_RR6LVICp0https://www.youtube.com/watch?v=mV41CMWonN4https://www.youtube.com/watch?v=s0LVPE0Q3LE&list=PLA9Q9SDZ781WXNAWit379A4CRLMvjGiUw&index=14&t=0s
Find percentage saving in feeder copper if the line voltage in a 2-wire dc system is raised from 200 volts to 400 volts for the same power transmitted over the same distance and having the same power loss.
Short Note on (c) Compensation of transmission lines.
EMEC & DC Machines EE-202 4th Sem B.Tech EE PTU April 2013 Paper
MY YOUTUBE CHANNEL
JK Smart Classes Upload Lecture for Degree classes like B.TECH,M.TECH in any stream like ECE,EE,ME and Civil Engineering
JK SMART CLASSES
ER.JASWINDER KUMAR
JK SMART LECTURE
ER.JASWINDER KUMAR
Engineering Classes Upload Lecture for Polytechnic Diploma classes in any stream like ECE,EE,ME and Civil Engineering
ENGINEERING CLASSES
ER.JASWINDER KUMAR
er.jaswinder kumar
Senior Lecturer
JK SMART CLASSES
ER.JASWINDER KUMAR
