Diploma - Reducing electricity losses in electrical networks

Introduction

1 Structure of technological losses of electricity

2 Measures to reduce electricity losses in electrical networks

3 Methods for calculating electricity losses
3.1 Methods for calculating load losses
3.1.1 Operational Calculation Method
3.1.2 day time method
3.1.3 Medium Load Method
3.1.4. Method of number of hours of greatest power loss.
3.1.5 Method for estimating losses from generalized information on network circuits and loads
3.2 Methods for calculating semi-permanent losses
3.3 Methods for calculating weather dependent losses
3.4 Electricity consumption for own needs of substations

4 Calculation of the error in determining the loss of electric energy probabilistic-statistical

by method
4.1 Mathematical model for calculating power losses
4.2 Objective and method of investigation, schemes for calculations
4.3 Description of the software used
4.4 Analysis of load graphs
4.5 Calculation of losses in power lines of 35, 110, 220 kV, with a real graph of electrical load, various

the correlation coefficient between active and reactive power, and different flow times

most power
4.6 Calculation of losses in power transmission lines 35, 110, 220 kV, with reverse power flow
4.7 Comparative analysis of the probabilistic-statistical method with the method of average loads

5 Analysis of the calculation of the error in determining the loss of electric energy

statistical method
5.1 Analysis of the sources of error
5.2 Error of a method of calculation and calculations
5.3 Analysis of the error in determining the loss of electricity

6. Study of ways to reduce the error in determining the loss of electric energy
6.1 Ways to reduce the loss of error
6.2 Calculation of the error in determining the loss of electric energy on the example of a DC line

Volgograd-Donbass
6.3 Study of the error in setting the power by 24 points (daily graph)
6.4 Investigation of the error in calculating the power loss for different distribution laws

power
6.5 Calculation of losses in AC networks of 35, 110, 220 kV, with reverse power flow with

using the new linearization method

7. Economic evaluation of measures to reduce energy losses
7.1 Calculation of power losses
7.2 Measures to reduce losses
7. 3 The economic part
7.3.1 Payback period for capital investments
7.3.2 Net present value
8 Calculation of terminal class lighting
8.1 General
8.2 Natural lighting
8.3 Combined lighting
8.4 Artificial lighting
8.5 General Terms
8.6 Calculation of illumination

Conclusion

List of used sources

Appendix A Load Graphs for Stress Error Model