Syllabus for induction –cum orientation training programme
(FOR MANAGEMENT TRAINEES – ELECTRICAL ENGINEERS)
(21 WORKING DAYS)
I. GENERAL ORIENTATION
• Brief Profile of GRIDCO
• Power Sector Reform in Orissa
• Functional Awareness of Various Departments
• Corporate Management
• Generation & Transmission System – An overview.
• Distribution System in Orissa - An Overview
• An Overview of Administrative Functions
• Corporate Communication
• IR & Trade Union Scenario in GRIDCO
• Officers Rules & Regulations of GRIDCO
• IT Endeavours to Gain Information Advantage in GRIDCO
• Role & Significance of Finance Function in GRIDCO
• Role of OERC
• Training & Development Activities in GRIDCO
II. TECHNICAL - TRANSMISSION SYSTEM
1. Layout of Sub-Station
- Layout location of 220/132/33KV S/S.
- Major Equipment used together with specifications.
Busbars:-
-Indoor and outdoor busbars – their capacity forces on them during short circuit – bus-bar mountings and their clearances.
- Strung and tubular type busbars, their current ratings supports, jumpers, clearance
- Bus fittings and connectors.
Isolators :
Tilting and rotating isolators with & without arcing horns – earth blades – current ratings.
Breaking of circuits by isolators.
Interlocking with circuit Breaker.
Maintenance of isolators.
Insulators : Types - their electrical & mechanical characteristics.
2. Transformer :
- Basic principles of transformer, magnetisation and hysteresis, electromagnets.
- Flux density Ampere-turn Ratio – Equation for transformation
-Two/ three winding & Auto Transformer – Grounding transformers – silent features of core & shell type, transformer constructional details.
-Transformer fixtures – buchholz relay, breather, conservators, bushing of different types, thermometers, indicators, alarms.
-Cooling of Transformer, Importance of Oil Filtration & drying out of transformer.
- Working principles of OLTC & its’ O/M.
-Transformer Test - Failures and causes, maint. & repairs.
- Operation:- Parallel Operation – regulation, voltage control, - tap changing -
-Commissioning test
- Maint. of Transformer
3. Breakers
- Function of breakers.
-Different types of indoor and outdoor breakers e.g. Bulk oil, MOCB, Air blast, SF6 and Vacuum Breaker - principle and their application.
-Operating Mechanism – springs, hydraulic, pneumatic
- Current ratings, rupturing capacity, clearance time
-Commissioning procedures.
- Breaker Maintenance, failures and their causes.
4. Lightening Arrestors/Surge Arrestors
- Simple description of lightening phenomena and surges.
-Constn. of S.As’ and principles of their working.
- Different types of Surge Arrestor and ratings.
- Earthing and Location of S.A.
- Testing & Maint. of S.As’
5. Transformer Oil.
- Specifications & Characteristics.
-Significance & importance of tests.
- Sources, manufacturing and Handling.
-Methods of Sampling and testing.
- Maintenance of Transformer Oil.
- Filter Machine O&M
- DGA.
6. Reactive Power Compensations
- Fundamentals of Reactive Power Compensations.
- Sources of Reactive Power.
- Effect of Harmonics.
- Reactive Power Planning.
- Types of Compensation.
- O/M of Capacitors.
7. Relays, Meters & Protection System :
-CT & PTs :
-Types of CT & PTs’ – their working principles, ratings and accuracy.
- Functions of CT & PTs’
- Failures of CT & PTs – their causes.
- Metering Schemes.
- Protection of Transmission Line with Schemes.
- Protection of Transformer with Schemes.
- Local & Back-up Protection.
- New Generation Relays.
- CB Control Circuit description and fault finding procedures.
8. PLCC
• Principles of PLCC.
• Carriers, Wave Traps, Coupling Capacitors, CVT.
• Types of coupling.
• Bypass Circuits.
• Telephone Network.
• Switching Equipment used in PLCC Network.
• Trunking connections for typical calls in a PLCC Network.
• Maintenance of PLCC Equipment.
9. Auxiliary Supply & Battery
• Importance of direct current supply and its function.
• Auxiliary D.C. Supply.
• Battery:- Current & Ampere Hours Ratings.
- Battery Charging Equipment – Checking of Specific Gravity of Electrolyte – Maintenance of batteries – Trouble Shootings.
10. Transmission Line
• Transmission Lines Survey, Tower Spotting & Sag Templates.
• Transmission Line Hardware and Line Materials.
• Tower foundations – Tower Erection – Line Stringing.
• Maintenance Schedules & Procedures of Transmission Line.
11. Earthing
(i) Equipment earthing and system earthing, the method of earthing e.g. solid earthing, resistance earthing, peterson coil earthing, earthing of Surge Arrestor, importance and advantage of each type.
(ii) Different types of earth electrodes, earthing mats-
• Design consideration in Sub-Station and EHV Line Earthing.
• Earthing arrangements for protective and Functional purpose.
• Calculation of Earth Fault Current.
• Measurement Procedure of Earth Resistivity & Electrode Resistance.
• Measurement of Earth Loop Impedance.
12. Safety
• Safety Philosophy.
• Safety Procedures.
• GRIDCO Safety Norms.
• Procedures for issuing L.C.P. and cancellation.
• Maintenance of Safety records.
13. First Aid
• Places of Potential Hazards.
• Electric Shock Treatment.
• Artificial Respiration.
• Handling Emergency Conditions.
• Treatment of Wounds, Injuries & Burns.
14. Fire Fighting
• Causes of Fire.
• Fire Extinction.
• Classification of Fires.
• Fire Fighting Equipment : their operation – maintenance & refilling.
• Fire prevention.
15. I.E. Rules
(Clearance and compliance of I.E. Rules, 1956)
• Minimum clearance for different voltage between phases and phase to ground.
• Indian Electricity Rules pertaining to Sub-Stations & Lines.
III. POWER SYSTEM MANAGEMENT COMMERCIAL ASPECTS
• Power Scenario
• Role of Central Sectors
• Commercial Aspects Related to Generation Transmission & Distribution
• Power Trading
• Role of Energy Billing Centre
• Available Based Tariff
• Power Tariff & PPA
IV MATERIAL HANDLING
- Procurement Proceeding
- Inventory Control & Stores Management
V. COMPUTER
- An Introduction to MS Office.
VI. FINANCE
- Budgeting & Preparation of Budget Estimate
- Rules Regulations Regarding Purchase, Store handling & Works
- Compilation of Information at Division/Sub-Division levels for Financial Reports.
- Various Types of Audits & Audit Compliance.
VII. MANAGEMENT DEVELOPMENT
- Improving Communication Skills
- Managing your Time
- Motivation
- Leadership
- Managing for the First Time
- Performance Management System
- Role Appreciation in Team Building
- An exposure to the concept of TQM
- Role of Vigilance in GRIDCO.
