Energy conservation in applications

1. Final Year B. Tech. (Electrical) : EM :
Unit 05: Energy Conservation in Applications (06 hrs)
8. Waste Heat Recovery Systems

2. Final Year B. Tech. (Electrical) : EM :
Unit 05: Energy Conservation in Applications (06 hrs)
8. Waste Heat Recovery Systems EC
 Minimise Waste Heat Losses From Industrial Processes
 Spent Gases Have Significant Thermal Energy
 Furnaces, Boilers, Kilns, Ovens, And Dryers: Air And
Fuel Are Burned To Generate Heat
 Part Of That Heat Is Transferred To Heating Device
 Upgrade Waste Heat Recovery Technologies

3. Final Year B. Tech. (Electrical) : EM :
Unit 05: Energy Conservation in Applications (06 hrs)
8. Waste Heat Recovery Systems EC
 Recovery Heat From
 Flue Gas,
 Engine Cooling Water,
 Engine Exhaust,
 Low Pressure Waste Steam,
 Drying Oven Exhaust,
 Boiler Blow down, Etc.
 Recover Heat From Incinerator Off-gas

4. Final Year B. Tech. (Electrical) : EM :
Unit 05: Energy Conservation in Applications (06 hrs)
8. Waste Heat Recovery Systems EC
 Use Of :
 Waste Heat For Fuel Oil Heating, Boiler Feed-water
Heating, Outside Air Heating, Etc.
 Chiller Waste Heat To Preheat Hot Water
 Heat Pumps
 Absorption Refrigeration
 Thermal Wheels, Run-around Systems, Heat Pipe
Systems, Air-to-air Exchangers

5. Final Year B. Tech. (Electrical) : EM :
Unit 05: Energy Conservation in Applications (06 hrs)
9. Utility Industries ( T And D Sector)
 India: T&D System : Three Level Structure:
1. State Grids
2. Regional Grids
3. Distribution
 PS: Interconnected
 T&D: India: Characterized By Heavy
Losses Of About 35%
 Technical Losses And Commercial Losses

6. Final Year B. Tech. (Electrical) : EM :
Unit 05: Energy Conservation in Applications (06 hrs)
9. Utility Industries ( T And D Sector)

7. Final Year B. Tech. (Electrical) : EM :
Unit 05: Energy Conservation in Applications (06 hrs)
9. Utility Industries ( T And D Sector)
 Technical Loss: Due To
 Imperfection In Technical Aspect
 Inadequate System Planning, Improper Voltage
 Poor Power Factor Etc.

8. Final Year B. Tech. (Electrical) : EM :
Unit 05: Energy Conservation in Applications (06 hrs)
9. Utility Industries ( T And D Sector)
 Commercial Losses: Directly Responsible For Wastage Of
Money Invested In T& D
 Due To :
o Inefficient Management
o Improper Maintenance Etc.
o Corruption
o Metering Losses
o Human

9. Final Year B. Tech. (Electrical) : EM :
Unit 05: Energy Conservation in Applications (06 hrs)
9. Utility Industries ( T And D Sector)
EC:
 Reduce Line Resistance- “ r ‟ Solid Conductors:
Replaced By Stranded Conductors (ACSR Or AAC) And By
Bundled Conductors In HT Line.
 High Voltage Direct Current (HVDC) : To Transmit Large
Amount Of Power Over Long Distances
 Transmitting Energy At HV
 Optimum Sag

10. Final Year B. Tech. (Electrical) : EM :
Unit 05: Energy Conservation in Applications (06 hrs)
9. Utility Industries ( T And D Sector)
EC:
 Voltage Level Can Be Controlled By Using Voltage
Controllers And By Using Voltage Stabilizer
 React P Control (VAR)
 Fault Control/ Reduction
 Energy Management (DS)
 FACTS
 SCADA

11. Final Year B. Tech. (Electrical) : EM :
Unit 05: Energy Conservation in Applications (06 hrs)
9. Utility Industries ( T And D Sector)
EC:

12. Final Year B. Tech. (Electrical) : EM :
Unit 05: Energy Conservation in Applications (06 hrs)
10. Diesel Generators

13. Final Year B. Tech. (Electrical) : EM :
Unit 05: Energy Conservation in Applications (06 hrs)
10. Diesel Generators
 DG (Distributed Generation) : Installation And Operation
Of Small Modular PGTs Combined With EMS
 Used To Improve Operations Of Electricity Delivery
Systems At Or Near End User.
 May Or May Not Be Connected To Grid

14. Final Year B. Tech. (Electrical) : EM :
Unit 05: Energy Conservation in Applications (06 hrs)
10. Diesel Generators

15. Final Year B. Tech. (Electrical) : EM :
Unit 05: Energy Conservation in Applications (06 hrs)
10. Diesel Generators

16. Final Year B. Tech. (Electrical) : EM :
Unit 05: Energy Conservation in Applications (06 hrs)
10. Diesel Generators EC
 Steady Load Conditions
 Cold, Dust Free Air At Intake ( Air Washers)
 Improve Air Filtration.
 Fuel Oil Storage, Handling And Preparation As Per
Manufacturers' Guidelines/Oil Company Data
 Fuel Oil Additives In Case Benefit Fuel Oil Properties
 Calibration: Fuel Injection Pumps Frequently
 Compliance With Maintenance Checklist
 Avoiding Fluctuations, Imbalance In Phases, Harmonic
Loads

17. Final Year B. Tech. (Electrical) : EM :
Unit 05: Energy Conservation in Applications (06 hrs)
10. Diesel Generators
 Waste Heat Recovery System Adoption For Steam
 Partial Use Of Biomass Gas For Generation.
 Tar Removal From Gas For Engine In Long Run.
 Consider Parallel Operation For Fuel Economy
 Regular Field Trials To Monitor Performance, And
Maintenance Planning As Per Requirements
END OF UNIT 5