All Courses

Pulak Biswas × Rubel Hossen ×
Basic Electronics (26811)
Course Conducted By
PULAK BISWAS
Instructor, Electrical Technology
Daffodil Polytechnic Institute

Course Conducted By
MD SHAHRIYAR RAHMAN
Instructor
Daffodil Polytechnic Institute


OBJECTIVES:
 To provide the understanding skill on Electronic Components, Electronic measuring and testing equipment.
 To provide understanding and skill on the basic concept of semiconductor junction and to identify physically a
range of semiconductor diodes.
 To develop comprehensive knowledge and skill on special diodes and devices.
 To develop the abilities to construct different rectifier circuits.
 To provide understanding of the basic concept and principle of transistor and to identify physically a range of
transistor.
 To provide understanding and skill on the basic concept of logic gates.

SHORT DESCRIPTION:

Electronic components; measuring and test equipment; color code and soldering; semiconductor; P-N junction
diode; special diodes and devices; power supply; transistor; transistor amplifier; logic gates.
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New Content
Testing & Maintenance of Electrical Equipment (26753/66775)

Course conducted by
Rubel Hossen
Instructor
Electrical Technology
Semester : 5th & 7th
Daffodil Polytechnic Institute

Subject Overview : Diploma in engineering level students is required to acquire the knowledge and skills on the area of Testing and Maintenance of Electrical Equipment. It is one of the most important subject in respect to provide the students opportunities to acquire knowledge, skill and attitude in the area of testing and maintenance of electrical equipment with the special emphasizes on: Trouble shooting and Maintenance of electrical equipment, Faults findings and remedy the faults of Battery, DC Generators, DC motors, Faults findings and remedy the troubles of Transformers, Induction motors, Auto Star-Delta starter, Forward-Reverse ( 3 - Phase ) motor starter, Magnetic contact, Over Load Relay (OLR ), Test trip , 3 -Phase motor reverse rotation, Phase Sequence change, Alternator Faults findings and remedy the troubles of Synchronous motor and Circuit breaker, Power factor improvement unit (PFI), Solar system maintenance
Learning Outcome (Theory:

After Completing the subject, students will be able to:

1. Find the troubles of battery, DC generators and DC motor.

2. Describe the faults of single phase and three phase Transformer.

3. Outline the provable faults of single-phase induction motor.

4. Explain the faults of three phase induction motor

5. Explain the troubles of Alternator and Synchronous motors.

6. State the faults of Circuit breaker.

7. Illustrate the faults of Auto Star-Delta starter.

8. Explain the troubles of Overload Relay (OLR).

9. Discuss the troubles of power factor improvement unit (PFI).

10. State the faults of solar system.

Learning Outcome (Practical):

After undergoing the subject, students will be able to:

1. Perform the different test of storage Battery.

2. Detect the causes of voltage build up failure of DC generator and failure of running of DC motor.

3. Perform routine test of Single phase and Three phase distribution Transformer.

4. Recognize the faults of Single phase and Three phase Induction motors.

5. Detect the faults of Auto Star-Delta Stater and Overload relay.

6. Detect the common faults of Alternator.

7. Detect the troubles of Synchronous motor.

8. Identify common faults of High Voltage circuit Breaker.

9. Perform the testing of power factor improvement unit (PFI)

10. Detect the faults of solar system.
Basic Electricity (26711)
Course Conducted By
Pulak Biswas
Instructor
Daffodil Polytechnic Institute

Course Conducted By
Rubel Hossen
Instructor
ENT ,TCT , Textile Technology
Semester: 1st, 3rd
Daffodil Polytechnic Institute

AIMS
• To familiarize the basic quantities & laws and to apply them in solving problems of electrical circuits.
• To acquaint with electro-chemistry, electro-magnetism, electro-magnetic induction and electrostatic.
• To develop skill in electrical wiring.
• To appreciate the safety measures to be taken for electrical wiring

SHORT DESCRIPTION
Electric current and ohm's law; conductors and insulators; basic electrical circuits; power and energy; basic electro-chemistry; electro-magnetism; electro-magnetic induction; electrostatics; wires and cables; hand tools used in wiring; house wiring; controlling devices; protective devices; earthing.
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Switch Gear & Protection-(66773)
To provide the student with an opportunity to acquire knowledge, skill, and attitude in the area of switchgear and protection with special emphasis on :
• Busbar and sub-station equipment.
• Circuit breakers and relays.
• Protection system for busbar, alternators, transformer, feeder, and transmission line.
• Protection against over-voltage.
• Substation.

Subject Outcome:
After the semester, Students will be able to detect & operate Switch gear; Electrical faults; Busbar arrangements; Short circuit current calculation; power system stability; Current limiting reactors; Fuses; Circuit breakers; Relays; Protection of alternator & transformer; Protection of feeder & transmission line; Busbar protection; Over-voltage on transmission line; Protection against lightning; Sub-station.
Electrical Installation Planning and Estimating (26741)
Course Conducted By
Rubel Hossen
Instructor
Electrical & Telecommunication Technology.
Daffodil Polytechnic Institute

OBJECTIVES
After completion of these contents students will be able to acquire, achieve and develop:
 To acquire knowledge and skills of Electrical house wiring.
 To develop the capacity to know constructional details and working principles of electric lamps.
 To develop understanding about earthing.
 To develop understanding about controlling and protective devices.
 To acquaint the principles of Electro-magnetic Induction.
 To familiarize Magnetism and magnetization
SHORT DESCRIPTION
Advance wiring; Electric lamps; Earthing; Controlling and Protective devices; Electro-magnetic Induction;
Magnetism and Magnetization; Hysteresis and eddy current loss; Energy stored in magnetic field
Digital electronics and microprocessor-(66856)
OBJECTIVES
Upon completion of this content student will be able to achieve and acquire knowledge, skills and
attitude in the area of Digital Electronics and Microprocessors special emphasis on:
 Number system, Binary arithmetic and codes
 Logic gates and Sequential logic circuits
 Semi conductor memories, A/D and D/A converters
 Microprocessors
Communication Engineering (66867)
Communication Engineering (66867)
Created by
Pulak Biswas
Instructor
ElectricalTechnology
Daffodil Polytechnic Institute.

SHORT DESCRIPTION
Communication networks; Modulation; Demodulation Receiver and Transmitter; Telephone system;
Digital communication; Communication switching system; Optical fiber; Satellite communication; Digital
Communication, Modem and mobile communications.
DC Machine (26753)
Course Conducted By

Md. Shafikul Islam (Milon)
Sr. Instructor and Head
Electrical Technology.
Daffodil Polytechnic Institute

Rubel Hossen
Instructor
Electrical Technology.
Telecommunication Technology
Semester : 5th
Daffodil Polytechnic Institute

Subject Overview : Diploma in Engineering Level students are required to acquire the knowledge and skill on the area of DC Machines with special emphasis of basic concept of Cell & Battery, Fuel cell, procedure of Battery charging and testing, DC generator and its characteristics, Losses and Efficiency of DC generator, DC motor, Speed control and voltage regulation of DC motor, Industrial Application of DC motor, electric traction. Electrical machines is a subject where a student will deal with various types of electrical machines which are employed in industries, power stations, domestic and commercial appliances etc. As such the knowledge of DC Machine the pre-requisite for these fields for effective discharge of their duties. These necessities of electrical engineering subjects in the curriculum of Diploma in engineering. After completion of this course student will be able to construct Cell & Battery, Perform Battery charging and testing, assemble and re-assemble of DC Generator, Operate DC generator and motor, develop lap and wave winding and speed control of DC motor. Have been given more emphasis on practical aspect rather than theory in teaching learning approach.
Learning Outcome (Theoretical:
After Completing the subject, students will be able to

Define cell, fuel cell and battery.

 Illustrate procedure of Battery charging and testing.

 Outline DC generator and its characteristics.

 Calculate Losses and Efficiency of DC generator.

 Describe DC motor.

 Enumerate Speed control and Regulation of DC motor

 Explain Industrial Application of DC motor.

 Mention electric traction.

Learning Outcome (Practical):

After undergoing the subject, students will be able to:

 Construct cell, fuel cell and battery.

 Perform Battery charging and testing.

 Assemble and de-assemble of varies parts of D.C. Generator

 Operate DC shunt, series and compound motors

 Develop Lap and wave winding.

 Execute speed control on DC Motors.

 Demonstrate Industrial Application of DC motor.
Electrical Engineering drawing(26722)
Course Conducted By
MD SHAHRIYAR RAHMAN
Instructor
Daffodil Polytechnic Institute

Course Conducted By
Pulak Biswas
Instructor
Daffodil Polytechnic Institute

After undergoing the subject, students will be able to:
 Sketch different electrical engineering drawings.
 Draw isometric, oblique and orthographic views.
 Enable to interpret and skill to draw thread and fastening
devises.
 Develop skill in drawing the symbols for electrical components
and equipment.
 Develop skill in drawing the layout diagram of overhead
distribution lines.

 Develop skill in drawing the layout diagram of a small sub-
station.

 Draw electrical layout diagram of a residential building