Course Objectives

1. Understand the concept of mutual inductance
2. Understand the operation of ideal transformers.
3. Use equivalent circuits to determine voltages and currents.
4. Analyze the operation of the transformer for different transformation ratios.
5. Understand the concept of a reflected load in a transformer and its application in impedance matching.
6. Study the application of transformers in electrical energy distribution and power supplies.

Learning Outcomes

1. Carry out an inspection: To ensure equipment is under healthy state with and to detect any types of faults.
2. Perform testing activity: for any suspicious inspection testing of the system to be done to detect any faults or working conditions of the equipment.
3. Repair, Overhaul, and delivery of tested distribution transformer: Carrying out repair and maintenance activity in damaged distribution transformer and ensure the overall health of the distribution transformer
4. Design different parts of the transformer
5. Assemble different parts of the transformer and carry out pre and post-manufacturing tests.

6. Use basic health and safety practices for power-related work:: includes procedures & practices to follow to maintain a healthy, safe & secure work environment covering the safety of self, others, assets, and the environment.

Course Syllabus

Module 1: Use Basic Health & Safety practices with power-related work

practice- - To study uses of PPE equipment during worksite e.g. safety helmet, belt, shoes, protective glasses, earth rod, etc.

Practice   ­-   To understand basic health and safety practices covering CEA safety regulations 2010,        issue of a permit to work, etc

Practice-   Information to the relevant authority for any abnormal situation/behavior of any equipment’s

Practice- To understand Safety practices with power-related work

Module 2:: Basics Of Electricity

  Practice-  Identify Basic fundamentals of Electricals

Practice ­-  Carry out Transformer Fundamentals under-standing of schematic drawings of various equipment’s used in a distribution substation, and draw Single line diagrams and layout plans

 Module 3: Basics of transformer operation

Practice: Introduction of the transformer, types of the transformer (based on voltage, coil, etc...).

Practice: Demonstration on transformers (laminated core, windings, insulating materials, transformer oil, tap changer, oil conservator, and breather).

Practice: Identification of HT & LT side/winding/terminals of three phase transformer

Module 4: Testing and Inspection of Faults in Distribution Transformer

Practice- Identify and carry out voltage and current transformation ratios

Practice- Demonstration on Details and function of transformer auxiliaries: tap changer, explosion vent, oil temperature indicator, conservator, silica gel, breather etc

Practice- Monitoring of transformer performance and auxiliaries monitoring

Practice- Inspect  all required grounding and shorting connections, perform the insulation-resistance test

practice- Identification of ht & lt side/winding/terminals of the three-phase transformer and oil test of a three-phase transformer.

Module 5: Repair, overhaul, and delivery of test  distribution transformer

Practice- Identify and Repair activity and assembling overhaul of distribution transformer standard procedures, refer maintenance manual and circuit diagram

Practice- Demonstrate repair and maintenance compliance stated in the standard procedure manual in the organization and the general requirements of standards and 5S

Practice- Ensure complete transformer with its components are fitted and packed in its original shape

Practice- Energize distribution transformer at NOLOAD only and checked for any abnormalities for the next 4 hours

Practice-  carry out Open circuit & short circuit test on three phase step-up or step-down transformer and predetermination of (i) efficiency and regulation (ii) calculation of parameters of equivalent circuit)

Practice- identify Polarity test of a three phase transformer in star-star, star-delta, delta-delta & delta-star connection.

Module 6: Maintenance of three phase transformer

Practice - Complete  repair of 16/25 KVA distribution transformer

Practice - Demonstrate repair and maintenance compliance stated in the  standard procedure manual in the organization and  the general requirements  of standards and 5S

Practice- Identify common hazard, Storage of flammable materials and oils safely

Practice - Recognize any abnormalities in the system installed, alarms, noticing parameters

Practice- Ensure complete transformer with its components are fitted and packed in its original shape.

Projects

Session Plan

Session 1

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Session 2

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Case Studies

Case Studies

Course Objectives

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Learning Outcomes

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Course Syllabus

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Session Plan

Session 1

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Session 2

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Case Studies

Case Studies