Course: Diploma in Operation and Maintenance of Electrical Grid System & Transformers
Course Credits: [6+14+4] (24)
Courses Divisions:
1. Introduction, Power Scenario, Power Quality & Fault clearance, [1-1-0]
2. Switchyard & substation Networks, [1-2-0]
3. Protection scheme & Switchgear, [1-2-0]
4. Cable system & Testing, [1-2-0]
5. Power Markets, [1-0-0]
6. Grid Safety, [0-2-0]
7. Transformer Manufacturing, [1-5-0]
8. Project, [0-0-4]
Course Objectives:
1. To create technically trained manpower readily available for recruitment to the power/energy companies & Transformer Manufacturing firms in Electrical Sector.
Course Outcomes
1. Product: Manufacturing of commercially used distribution transformer
2. Hands-on experience in Operation and maintenance procedures carried out on T & D system & apparatus
3. Hands-on experience in real-time testing of T & D system & apparatus
4. Hands-on experience in Transformer Maintenance & Testing
Syllabus:
1. Generation, Transmission & Distribution scenario in India, Power Quality by Quick Clearance of Fault. [1-1-0]
2. Switchyard/Substation Types.[1-2-0]
3. CT & PTs, Local & Back-up Protection. Protection Schemes, New Generation Relays, Different types of indoor and outdoor Circuit breakers, Breaker Maintenance, Lightning Arrestors/Surge Arrestors, Isolators And Insulators, Grounding system, Auxiliary System in Switchyard/Substation. [1-2-0]
4. Modern trends in Underground Cabling Basic Concepts, Materials Used in Cables, Conductors, Testing and Commissioning of cables. [1-2-0]
5. Power System Market, Markets For Electrical Energy, Energy Conservation. [1-0-0]
6. GRID Safety Norms, Safety, and first aid Requirements, Hazards, Electrical Accidents and prevention, Electricity Costing & Audit. [0-2-0]
7. Basic principles of the transformer, Inner & Outer Part of Transformer, Manufacturing of Transformer, Transformer Test, Conditions leading to faults in distribution Transformer, Maintenance of transformer. [1-5-0]
Session Plan:
1. Course 1: Generation, Transmission & Distribution scenario in India [Interactive + Modeling], [1-1-0], [22 Hrs]
Session 1
Types of generation: Conventional and Non-conventional,
Video: https://www.youtube.com/watch?v=Z1X9M8x6sLo
Session 2
Thermal Power Plant, Hydro Power Plant,
Video: https://www.youtube.com/watch?v=LPtSskTnQN8
Session 3
Gas Power Plant, Nuclear Power Plant,
Video: https://www.youtube.com/watch?v=9q7_n2E32_g
Session 4
Co-generation Various sources Non-conventional Energy Sources.
Video: "https://www.youtube.com/watch?v=2mw2h7FMPh8"
Session 5
Role of computers in distribution system planning-Load modeling
Video: https://www.youtube.com/watch?v=-ZBNNcczmDM
Session 6
Characteristics: definition of basic terms and loss factor ,
Video: https://www.youtube.com/watch?v=hmKMq360w70
Session 7
Classification of loads and their characteristics.
Video: https://www.youtube.com/watch?v=STpD8X5J4-g
Session 8
Distribution Feeders and Substations: Design consideration of Distribution feeders: Radial and loop types of primary feeders, voltage levels, and feeder-loading.
Video: https://www.youtube.com/watch?v=DTBU-zEi9sY
Practice
Session 9
Load Modeling
Session 10
Substation Modeling
Assignment 1
To be given by the subject teacher based on the content covered.
Course 2: Switchyard/Substation Types [Lab Practice in Own Distribution Network, Modeling], [1-2-0], [34 Hrs]
Session 11
Single line diagram/equipments [Equipments-transformer, CB, fuse etc.]
Video: https://www.youtube.com/watch?v=IgGnfBiisL0
Session 12
Relays, Relaying schemes and auxiliariesWiring Diagram
Video: https://www.youtube.com/watch?v=LAiBuu_nICI
Session 13
The layout of Sub-Station(33/11KV S/S, 220/33KV S/S)
Video: https://www.youtube.com/watch?v=04INPuv9NBI
Session 14
Indoor and outdoor busbars –– bus-bar mountings and their clearances.
Video: https://www.youtube.com/watch?v=g-mzcTsHd5s
Session 15
Designing Electrical Transmission Tower Types and Design
Video: https://www.youtube.com/watch?v=eb-K87Xq6BM
Practice
Session 16
Design 33/11 KV substation
Session 17
Single Line layout of substation
Assignment 2
To be given by the subject teacher based on the content covered.
Course 3: System Protection & Auxiliaries [Field Visit+ Lab Practice in Own Distribution Network] [1-2-0] [34 Hrs]
Session 18
CT & PTs, Local &p; Back-up Protection. Protection Schemes,
Video: https://www.youtube.com/watch?v=tXRf1Rxal9k
Session 19
New Generation Relays, Different types of indoor and outdoor CB, Breaker Maintenance,
Video: https://www.youtube.com/watch?v=PDwtmQJnp18
Session 20
Lightening Arrestors/Surge Arrestors, Isolators And Insulators,
Video: https://www.youtube.com/watch?v=5DnMjWlGhD8
Session 21
Grounding system, Auxiliary System in Switchyard/Substation
Video: https://www.youtube.com/watch?v=zLW_7TPf310
Practice
Session 22
Design Overcurrent Protection for sub-station Feeder.
Session 23
Measuring Earth Insulation Resistance
Assignment 3
To be given by the subject teacher based on the content covered.
Course 4: Cables in Electrical System [Visit to Standard Testing Lab, Workshop Practice], [1-2-0], [34 Hrs]
Session24
Modern trends in Underground Cabling Basic Concepts,
Video: https://www.youtube.com/watch?v=nBh1Hy1bt0w
Session 25
Materials Used in Cables, Conductors,
Video: https://www.youtube.com/watch?v=gtAaZ2hFYTA
Session 26
Testing and Commissioning of cables,
Video: https://www.youtube.com/watch?v=Od0k9nqtoCM
Practice
Session 27
IR Test of Cable
Session 28
Cable Jointing
Assignment 4
To be given by the subject teacher based on the content covered.
Course 5: Power System Market, Markets For Electrical Energy, Energy Conservation [Interactive], [1-0-0] [10 Hrs]
Session 29
Electricity Business
Video: https://www.youtube.com/watch?v=dYvEG3uQzsQ
Session 30
Electricity Market Models
Video: https://www.youtube.com/watch?v=jsVawFbHIrw
Session 31
Power Transfer, Inter & Intra State
Video: https://www.youtube.com/watch?v=OxWXRGs_Gec&list=PLrBYJOEWy5kAI5yTyn2kxWCldNiiVG_rj&index=3
Session 32
Energy Efficiency in Grid
Video: https://www.youtube.com/watch?v=--IBz3DdVgU
Session 33
Energy conservation measures
Video: https://www.youtube.com/watch?v=v2XEpqyVMjo
Practice
Session 34
Developing Market Model for electricity trading
Assignment 5
To be given by the subject teacher based on the content covered.
Course 6: GRID Safety Norms, Electrical Accidents and prevention, Electricity Costing & Audit [Field Survey], [0-2-0], [24 Hrs]
Session 35
Safety Requirement, Hazards, Electrical Accidents and prevention, First Aid
Video: https://www.youtube.com/watch?v=S7plaZakGWM
Session 36
Safety: Safety Philosophy, Safety Procedures, GRID Safety Norms, Procedures for issuing L.C.P. and cancellation, Maintenance of Safety records.
Video: https://www.youtube.com/watch?v=2nZ9lS6VHFU
Session 37
First Aid : Places of Potential Hazards, Electric Shock Treatment, Artificial Respiration, Handling Emergency Conditions, Treatment of Wounds, Injuries & Burns.
Video: https://www.youtube.com/watch?v=6rZcQTbOfLM
Session 38
Fire Fighting: Causes of Fire, Fire Extinction, Classification of Fires, Fire Fighting, Equipment: their operation – maintenance & refilling, Fire prevention.
Video: https://www.youtube.com/watch?v=myq7NBgsMD0
Session 39
Energy Audit.
Video: https://www.youtube.com/watch?v=lUojO1HvC8c
Practice
Session 40
Hazard Analysis & Mitigation
Assignment 6
To be given by the subject teacher based on the content covered.
Course 7: Principles, Manufacturing & Testing of transformer, [DS Tools, Workshop Practice], [1-5-0], [70 Hrs]
Session 41
Inner & Outer Part of Transformer,
Video: https://www.youtube.com/watch?v=94WvB9Gx5_Q
Session 42
Manufacturing of Transformer,
Video: https://www.youtube.com/watch?v=unQr9SN2mUM
Session 43
Transformer Test,
Video: https://www.youtube.com/watch?v=R7gtH0iMea4
Session 44
Conditions leading to faults in Transformer,
Video: https://www.youtube.com/watch?v=Dw0ioNJOtDg
Session 45
Maintenance of transformer
Practice
Session 46
Transformer Manufacturing
Session 47
Transformer Testing
Session 48
Fault Finding & Corrective action
Session 49
Catia Hands-on
Video: https://www.youtube.com/watch?v=R8YEA4e9hm4&list=PLkMYhICFMsGbYCvbGrrygtqGiBGguIzbf
Session 50
Catia Hands-on
Session 51
Dymola Hands-on
Video:https://www.youtube.com/watch?v=FN8LlnTwzVE&list=PLVewF7L-CjSHJ_krhbRFgygQA6sJiLpkB
Session 52
Dymola Hands-on
Session 53
Digital Design of Transformer by Gate Process: Links to Project
Session 54
IR Test
Session 55
Winding Resistance Test
Session 56
Ratio Test
Session 57
BDV Test
Session 58
On-Site Inspection
Session 59
High Voltage Test
Session 60
Wrap-up
Assignment 7
To be given by the subject teacher based on the content covered.