PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB...
Transcript of PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB...
![Page 1: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/1.jpg)
PRE – LAB HOMEWORK
FOUR SEMESTER
ELECTRICAL ENGINEERING
ELECTRICAL MACHINES
Engr. MUHAMMAD IDREES
ELECTRICAL MACHINES LAB
DEPARTMENT OF ELECTRICAL ENGINEERING
Federal Urdu University of Arts, Science & Technology
![Page 2: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/2.jpg)
PRE-LAB HOMEWORK
Lab No. 2
LOAD CHARACTERISTICS OF A DC SHUNT MOTOR
What is Dc Shunt Motor?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
Write Dc Shunt Motor Formulas?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
![Page 3: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/3.jpg)
Describe Motor Load?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
Describe CEMF?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
![Page 4: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/4.jpg)
PRE-LAB HOMEWORK
Lab No. 3
LOAD CHARACTERISTICS OF A DC SERIES MOTOR
What is Dc Series Motor?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
Write Dc Series Motor Formulas?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
![Page 5: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/5.jpg)
Describe Motor Load?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
Describe Motor Speed?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
![Page 6: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/6.jpg)
PRE-LAB HOMEWORK
Lab No. 4
EFFICIENCY AND LOSSES OF A DC MOTOR
What is Input Power of a DC Motor?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
What is Output Power of a DC Motor?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
![Page 7: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/7.jpg)
Describe the Losses of a Dc motor?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
What is the Efficiency of a DC Motor?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
![Page 8: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/8.jpg)
PRE-LAB HOMEWORK
Lab No. 5
MOTOR SPEED AND COUNTER EMF
Describe Motor Speed?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
Describe CEMF?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
![Page 9: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/9.jpg)
How increase DC Shunt Motor Speed?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
How increase DC Series Motor Speed?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
![Page 10: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/10.jpg)
PRE-LAB HOMEWORK
Lab No. 6
LOAD CHARACTERISTICS OF DC COMPOUND GENERATOR
What is a Generator?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
What is a DC Compound Generator?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
![Page 11: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/11.jpg)
Write the Formulas of a DC Generator?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
Describe Generator Load?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
![Page 12: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/12.jpg)
PRE-LAB HOMEWORK
Lab No. 7
COPARISON BETWEEN A CUMULATIVE GENERATOR AND A DIFFERENTIAL GENERATOR
What is Difference between Cumulative and Differential Generator?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
![Page 13: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/13.jpg)
PRE-LAB HOMEWORK
Lab No. 8
SPEED AND OUTPUT CHARACTERISTICS OF A COMPOUND GENERATOR
What are output characteristics of a compound Generator?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
![Page 14: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/14.jpg)
PRE-LAB HOMEWORK
Lab No. 9
EFFICIENCY AND LOSSES OF A COMPOUND GENERATOR
What is efficiency of compound generator?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
Efficiency Formulas?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
![Page 15: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/15.jpg)
Describe losses of a DC generator?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
![Page 16: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/16.jpg)
PRE-LAB HOMEWORK
Lab No. 10
DISECTION OF MACHINES
(Multifunction Electrical Machines Model A4300)
Describe the various parts of motor?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
Describe the various parts of generator?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
![Page 17: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/17.jpg)
Describe the various parts of commutator?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
![Page 18: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/18.jpg)
PRE-LAB HOMEWORK
Lab No. 11
OPERATION OF MACHINES (Multifunction Electrical Machines Model A4300)
Describe the operation of motor?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
__________________________________________________________
__________________________________________________________
![Page 19: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/19.jpg)
__________________________________________________________
__________________________________________________________
Describe the operation of generator?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
![Page 20: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/20.jpg)
PRE-LAB HOMEWORK
Lab No. 13
DELTA –Y CONNECTIONS OF A TRANSFORMER
Describe Delta connection of a transformer?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
Describe Y connection of a transformer?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
![Page 21: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/21.jpg)
Describe Delta connection of a transformer?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
![Page 22: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/22.jpg)
PRE-LAB HOMEWORK
Lab No. 14
MOTOR SPEED & INPUT CHARACTERISTICS
How can affect input to motor speed?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
How can affect motor speed?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
![Page 23: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/23.jpg)
What are input characteristics of a motor?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
![Page 24: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/24.jpg)
PRE-LAB HOMEWORK
Lab No. 16
CLOSE LOOP MOTOR SPEED CONTROL TECHNIQUE
Define feedback?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
What is difference between close loop and open loop circuit?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.
![Page 25: PRE – LAB HOMEWORK - FUUAST-Islamabad, Electrical Engineering · 2013-10-06 · PRE – LAB HOMEWORK FOUR SEMESTER ELECTRICAL ENGINEERING ELECTRICAL MACHINES Engr. MUHAMMAD IDREES](https://reader033.fdocuments.us/reader033/viewer/2022042109/5e89e0987abdb248f61d3a86/html5/thumbnails/25.jpg)
How we can control motor speed by control system?
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
_________________________________________________________.