Till 7th March

Designing of Current And Voltage measuring Circuit.

Conversion of Analog Sample into Digital value. Curve fitting for accurate current

measurement. Designing of Main power circuit. Selection of fault current limiting resistor. Feb 15Feb

16Feb 17

Feb 18Feb 19Feb 20

Feb 21Feb 22Feb 23

Feb 24Feb 25Feb 26

Feb 27Feb 28

Mar 01

Mar 02Mar 03

Mar 04

Mar 05Mar 06

Mar 07

Current and Voltage measurement circuit

Current Measurement circuit Voltage Measurement circuit04/13/2023

Electrical Department PES University

Output of measurement circuit

Current Measurement circuit output Voltage Measurement circuit output04/13/2023

Electrical Department PES University

Curve fitting to make current measurement Accurate

04/13/2023 Electrical Department PES University

Current MeasurementCurrent in

MicrocontrollerCurrent by Ammeter

-0.441 0-0.361 0.25-0.291 0.430.071 0.82

0.4471 1.220.877 1.62

1.3871 2.11.96 2.57

2.5471 3.133.3471 3.863.7871 4.234.3671 4.824.9471 5.36.0371 6.256.9071 7.058.6471 8.7510.461 10.4512.421 12.4713.651 13.87

14.671 15.05

After Curve Fitting

0.07170.22350.34540.85231.24461.62572.06332.57583.12223.86774.26704.77995.28456.24557.04518.6553

10.099211.180211.2752

10.659304/13/2023

Electrical Department PES University

Designing of main Power Circuit

04/13/2023 Electrical Department PES University

Progress till now

04/13/2023Electrical Department PES University

Power factor Voltage Magnitude Current Magnitude Measurement of Admittance Zone definition0

10

20

30

40

50

60

70

80

90

100

Pro-gram-ming

Simulation

Hardware

Total

20

100

85

92 9075

100 100 100 100

60

100 100 100

60

52

10095 97

84

Programming Simulation Hardware Total

Selection of fault resistance Fault current Supply voltage Power dissipated in resister Cost of resistance Breaker capacity Contactor, push buttons, fault selection switch

capacity

Zone 1 current---- 8 to 10A Zone 2 current---- 5 to 8A Zone 3 current---- 3 to 5A04/13/2023 Electrical Department PES University