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Learning Path

Linear: Sequential Order

About the Course

Course Description

This course provides students with concepts of Types and constructional details - principle of operation -operation on no load and on load, Operation On No Load And On Load, Phasor Diagrams Of Transformers, Regulation – Losses And Efficiency, Effect Of Variation Of Frequency And Supply Voltage On Losses – All Day Efficiency and parallel operation with equal voltage ratios

Objectives 

1.Will familiarize about Off Load And On Load Tap Changers

2.Will demonstrate Production Of a Rotating Magnetic Field

3.Will develop knowledge in Circle diagram for predetermination of performance

Prerequisite

There is no particular prerequisite to Special Electrical Machines you will be able to do very well, if you have these basic skills: 

1. Good Analytics Skills

2. Good Understanding Skills

3. Good Communication Skills

.

Course Study Materials
Module 1: SINGLE-PHASE TRANSFORMERS
  • 1.1 Types and constructional details - principle of operation -operation on no load and on load
  • 1.2 Operation On No Load And On Load
  • 1.3 Phasor Diagrams Of Transformers
  • 1.4 Regulation – Losses And Efficiency
  • 1.5 Effect Of Variation Of Frequency And Supply Voltage On Losses – All Day Efficiency
  • SINGLE-PHASE TRANSFORMERS - ASSESSMENT 10 Questions
Module 2: SINGLE-PHASE TRANSFORMERS TESTING
  • 2.1 Tests on single phase transformers- open circuit and short circuit tests – Sumpner’s test – separation of losses
  • 2.2 parallel operation with equal voltage ratios
  • SINGLE-PHASE TRANSFORMERS TESTING - ASSESSMENT 10 Questions
Module 3: 3-PHASE TRANSFORMERS
  • 3.1 Polyphase Connections - y/y, y/∆, ∆/y, ∆/∆ And Open ∆.
  • 3.2 Third Harmonics In Phase Voltages
  • 3.3 Off Load And On Load Tap Changers
  • 3-PHASE TRANSFORMERS - ASSESSMENT 10 Questions
Module 4: 3-PHASE INDUCTION MOTORS
  • 4.1 Construction Details Of Cage And Wound Rotor Machines
  • 4.2 Production Of a Rotating Magnetic Field
  • 4.3 Rotor Power Input, Rotor Copper Loss And Mechanical Power Developed And Their Inter Relationship
  • 3-PHASE INDUCTION MOTORS - ASSESSMENT 10 Questions
Module 5: CHARACTERISTICS, STARTING AND TESTING METHODS OF INDUCTION MOTORS
  • 5.1 Torque equation - expressions for maximum torque and starting torque
  • 5.2 Circle diagram for predetermination of performance
  • 5.3 Methods of starting – starting current and torque calculations
  • CHARACTERISTICS, STARTING AND TESTING METHODS OF INDUCTION MOTORS - ASSESSMENT 10 Questions
Module 6: DESIGN OF TRANSFORMER AND 3-PHASE INDUCTION MOTOR
  • 6.1 Transformer: Design concept – output equation
  • 6.2 Three phase induction motor: Design concept
  • 6.3 Conductor Dimensions
  • 6.4 Type of winding – number of rotor slots – conductor dimensions
  • DESIGN OF TRANSFORMER AND 3-PHASE INDUCTION MOTOR - ASSESSMENT 10 Questions
FINAL ASSESSMENT
  • FINAL ASSESSMENT 20 Questions

The certificate issued for the Course will have the student's Name, Photograph, Course Title, Certificate number, Date of course completion and the name(s) and logo(s) of the Certifying Bodies. Only the e-certificate will be made available. No Hard copies. The certificates issued by uLektz Learning Solutions Pvt. Ltd. can be e-verifiable at www.ulektzskills.com/verify.

  • Students are required to take online assessments with eProctoring.
  • Students will be assessed both at the end of each module and at the end of the Course.
  • Students scoring a minimum of 50% in the assessments are considered for Certifications
certificate
...
₹299
Features:
  • 90 hours Learning Content
  • 100% online Courses
  • English Language
  • Certifications

Course

Registration opens on 04-02-2019

Course

Your registration details are under review. It should take about 1 to 2 working days. Once approved you will be notified by email and then you should be able to access the course.

Course Approved

Approval Pending - In-Progress

Course access details will be shared within 24 hours.
For help contact: support@ulektz.com

Course Enrollment

Course

Course starts on 11-05-2021

Course

You have completed 6 hours of learning for 06-12-2021. You can continue learning starting 07-12-2021.

Course

This course can only be taken in sequential order.

Course

You have completed the course. You will be notified by email once the certificate is generated.

Course

Are you sure want to enroll this course?.

Course

Course

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Result Summary

Special Electrical Machines