Distance Calculation

(1)

NAME OF SUBSTATION

Kakkad PH

NAME OF FEEDER

Kakkad Pathanamthitta No.2

FEEDER CODE

KDPT-2

NAME OF NEXT SHORTEST LINE

Pathanamthitta-Ranni

NAME OF NEXT LONGEST LINE

Kakkad Pathanamthitta No.1

SYSTEM VOLTAGE

110kV

Z1

5.439 ph-ph

R

2.596

NAME OF CONDUCTOR

ACSR WOLF

X

4.780 Line Parameters:

_ph-e

R

9.316

POSITIVE SEQUENCE RESISTANCE R1

0.2129

OHMS/KM

X

12.218

POSITIVE SEQUENCE REACTANCE X1

0.392

OHMS/KM

ZERO SEQUENCE RESISTANCE R0

0.354

OHMS/KM

ZERO SEQUENCE RESISTANCE X0

1.002

OHMS/KM

LINE LENGTH L1

28.69

KM

LENGTH OF NEXT SHORTEST LINE L2

13.40

KM

Z2

7.893 ph-ph

R

3.767

LENGTH OF NEXT LONGEST LINE L3

30.69

KM

X

6.936

ARC RESISTANCE PH-PH Arc ph-ph

2

OHMS

ph-e

R

11.264

ARC RESISTANCE PH-EARTH Arc ph-e

10

OHMS

X

17.730 0.4461

OHMS/KM

Z3

13.244 ph-ph

R

6.321 1.0627

OHMS/KM

2.38228

X

11.638

CT-ratio

500

CT Sec.

1A

ph-e

R

15.510

PT-ratio

1000

X

29.749

Resistance Ratio:

0.22 Z4

13.244 ph-ph

R

6.321

Reactance Ratio:

0.52 X

11.638

Earth Compensation Factor, Ko:

0.4679 < 15.48

ph-e

R

15.510 < 61.49

( Ph -E)

< 70.54

X

29.749 Operation time in msec

1.280 ph-ph

R

0.611

Zone-1

0 Zone-3

750

X

1.125

Zone-1B

Zone-4

ph-e

R

6.016

Zone-2

500 Zone-5

X

2.875

Z1



(R1

2



X 1

2

₎

Z0



(R0

2



X 0

2

₎

LineAngle( Ph



Ph)

Z5

(Reverse

)

(2)

NAME OF SUBSTATION

Kakkad PH

NAME OF FEEDER

Kakkad Pathanamthitta No.1

FEEDER CODE

KDPT-1

Pathanamthitta-Ranni

Kakkad Pathanamthitta No.2

SYSTEM VOLTAGE

110kV

Z1

5.818 ph-ph

R

2.777

NAME OF CONDUCTOR

ACSR WOLF

X

5.113 Line Parameters:

_ph-e

R

14.617

0.2129

OHMS/KM

X

13.069

0.392

OHMS/KM

0.354

OHMS/KM

1.002

OHMS/KM

LINE LENGTH L1

30.69

KM

13.40

KM

Z2

8.340 ph-ph

R

3.980

28.69

KM

X

7.328

0

OHMS

ph-e

R

16.618

20

OHMS

X

18.732 0.4461

OHMS/KM

Z3

13.244 ph-ph

R

6.321 1.0627

OHMS/KM

2.38228

X

11.638

CT-ratio

500

CT Sec.

1A

ph-e

R

20.510

PT-ratio

1000

X

29.749

Resistance Ratio:

0.22 Z4

13.244 ph-ph

R

6.321

Reactance Ratio:

0.52 X

11.638 0.4679 < 15.48

ph-e

R

20.510 < 61.49

( Ph -E)

< 70.54

X

29.749 Operation time in msec

1.369 ph-ph

R

0.653

Zone-1

0 Zone-3

750

X

1.203

Zone-1B

Zone-4

ph-e

R

11.086

Zone-2

500 Zone-5

X

3.075

Z1



(R1

2



X 1

2

₎

Z0



(R0

2



X 0

2

₎

LineAngle( Ph



Ph)

Z5

(Reverse

)

(3)

NAME OF SUBSTATION

Edamon

NAME OF FEEDER

Edamon-Edappon

FEEDER CODE

EMEP

Edamon-Kayamkulam

SYSTEM VOLTAGE

220kV

Z1

7.065 ph-ph

R

0.704

NAME OF CONDUCTOR

Double Moose

X

7.030 Line Parameters:

_ph-e

R

6.084

0.02819

OHMS/KM

X

29.023

0.281637

OHMS/KM

0.24376

OHMS/KM

1.16279

OHMS/KM

LINE LENGTH L1

78

KM

47

KM

Z2

10.597 ph-ph

R

1.055

64.91

KM

X

10.544

0

OHMS

ph-e

R

9.126

0

OHMS

X

43.535 0.2830

OHMS/KM

Z3

16.180 ph-ph

R

1.611 1.1881

OHMS/KM

4.197454

X

16.099

CT-ratio

800

CT Sec.

1A

ph-e

R

13.934

PT-ratio

2000

Z0 - 8.831

Z1 - 37.068

X

66.470

Resistance Ratio:

2.55

R1 - 0.88

X1 - 8.787

Z4

16.180 ph-ph

R

1.611

Reactance Ratio:

1.04

R0 - 7.605

X0 - 36.279

X

16.099 1.0683 < -8.03

ph-e

R

13.934 < 84.28

( Ph -E)

< 78.16

X

66.470 Operation time in msec

1.766 ph-ph

R

0.176

Zone-1

0 Zone-3

720

X

1.757

Zone-1B

0 Zone-4

1500

ph-e

R

1.521

Zone-2

500 Zone-5

2000

X

7.256

Z1



(R1

2



X 1

2

₎

Z0



(R0

2



X 0

2

₎

LineAngle( Ph



Ph)

Z5

(Reverse

)

(4)

NAME OF SUBSTATION

Edamon

NAME OF FEEDER

Edamon-Kundara

FEEDER CODE

EMKU

Kundara-Kayamkulam

SYSTEM VOLTAGE

220kV

Z1

5.540 ph-ph

R

0.552

NAME OF CONDUCTOR

Double Moose

X

5.513 Line Parameters:

_ph-e

R

4.771

0.02819

OHMS/KM

X

22.761

0.281637

OHMS/KM

0.24376

OHMS/KM

1.16279

OHMS/KM

LINE LENGTH L1

61.17

KM

64.91

KM

Z2

8.311 ph-ph

R

0.828

64.91

KM

X

8.269

0

OHMS

ph-e

R

7.157

0

OHMS

X

34.141 0.2830

OHMS/KM

Z3

14.274 ph-ph

R

1.422 1.1881

OHMS/KM

4.197454

X

14.204

CT-ratio

800

CT Sec.

1A

ph-e

R

12.293

PT-ratio

2000

Z0 - 6.926

Z1 - 29.07

X

58.642

Resistance Ratio:

2.55

R1 - 0.69

X1 - 6.891

Z4

14.274 ph-ph

R

1.422

Reactance Ratio:

1.04

R0 - 5.964

X0 - 28.451

X

14.204 1.0683 < -8.03

ph-e

R

12.293 < 84.28

( Ph -E)

< 78.16

X

58.642 Operation time in msec

1.385 ph-ph

R

0.138

Zone-1

0 Zone-3

720

X

1.378

Zone-1B

0 Zone-4

1500

ph-e

R

1.193

Zone-2

500 Zone-5

2000

X

5.690

Z1



(R1

2



X 1

2

₎

Z0



(R0

2



X 0

2

₎

LineAngle( Ph



Ph)

Z5

(Reverse

)

(5)

NAME OF SUBSTATION

Pathanamthitta

NAME OF FEEDER

pathanamthitta-Kozhanchery

FEEDER CODE

PTKZ

Kozhanchery-Ranni

SYSTEM VOLTAGE

110kV

Z1

1.697 ph-ph

R

0.810

NAME OF CONDUCTOR

ACSR WOLF

X

1.491 Line Parameters:

_ph-e

R

9.347

0.2129

OHMS/KM

X

3.812

0.392

OHMS/KM

0.354

OHMS/KM

1.002

OHMS/KM

LINE LENGTH L1

11.89

KM

13.40

KM

Z2

3.317 ph-ph

R

1.583

13.40

KM

X

2.915

0

OHMS

ph-e

R

10.632

20

OHMS

X

7.451 0.4461

OHMS/KM

Z3

4.513 ph-ph

R

2.154 1.0627

OHMS/KM

2.38228

X

3.965

CT-ratio

400

CT Sec.

1A

ph-e

R

11.581

PT-ratio

1000

X

10.136

Resistance Ratio:

0.22

Reactance Ratio:

0.52 0.4679 < 15.48

< 61.49

( Ph -E)

< 70.54

Operation time in msec

0.424 ph-ph

R

0.203

Zone-1

0 Zone-3

750

X

0.373

Zone-1B

Zone-4

ph-e

R

8.337

Zone-2

500 Zone-5

X

0.953

Z1



(R1

2



X 1

2

₎

Z0



(R0

2



X 0

2

₎

LineAngle( Ph



Ph)

Z4

(Reverse

)

(6)

NAME OF SUBSTATION

Sabarigiri

NAME OF FEEDER

Sabarigiri-Bramapuram

FEEDER CODE

SBBR

Bramapuram-Kalamassery

Bramapuram-Pllom

SYSTEM VOLTAGE

220kV

Z1

17.719 ph-ph

R

3.516

NAME OF CONDUCTOR

ACSR KUNDAH

X

17.366 Line Parameters:

_ph-e

R

16.903

0.082

OHMS/KM

X

54.886

0.405

OHMS/KM

Z1B

26.578 ph-ph

R

5.274

0.30092

OHMS/KM

X

26.050

1.28

OHMS/KM

ph-e

R

23.355

LINE LENGTH L1

134

KM

X

82.330

8

KM

Z2

22.810 ph-ph

R

4.526

67.8

KM

X

22.356

0

OHMS

ph-e

R

20.611

10

OHMS

X

70.656 0.4132

OHMS/KM

Z3

33.355 ph-ph

R

6.619 1.3149

OHMS/KM

3.18209

X

32.692

CT-ratio

800

CT Sec.

1A

ph-e

R

28.290

PT-ratio

2000

X

103.322

Resistance Ratio:

0.89 Z4

33.355 ph-ph

R

6.619

Reactance Ratio:

0.72 X

32.692 0.7276 < -2.6

ph-e

R

28.290 < 78.55

( Ph -E)

< 76.77

X

103.322 Operation time in msec

4.430 ph-ph

R

0.879

Zone-1

0 Zone-3

720

X

4.342

Zone-1B

0 Zone-4

1500

ph-e

R

7.226

Zone-2

480 Zone-5

2000

X

13.722

Z1



(R1

2



X 1

2

₎

Z0



(R0

2



X 0

2

₎

LineAngle( Ph



Ph)

Z5

(Reverse

)

(7)

NAME OF SUBSTATION

Pathanapuram

NAME OF FEEDER

Pathanapuram-Punalur #1

FEEDER CODE

PTPN#1

Edamon-Punalur

Punalur-Kundara

SYSTEM VOLTAGE

110kV

Z1

1.896 ph-ph

R

0.905

NAME OF CONDUCTOR

ACSR WOLF

X

1.666 Line Parameters:

_ph-e

R

9.505

0.2129

OHMS/KM

X

4.259

0.392

OHMS/KM

0.354

OHMS/KM

1.002

OHMS/KM

LINE LENGTH L1

12.5

KM

8.31

KM

Z2

2.972 ph-ph

R

1.418

34.69

KM

X

2.612

0

OHMS

ph-e

R

10.358

20

OHMS

X

6.675 0.4461

OHMS/KM

Z3

8.420 ph-ph

R

4.019 1.0627

OHMS/KM

2.38228

X

7.399

CT-ratio

400

CT Sec.

1A

ph-e

R

14.682

PT-ratio

1000

X

18.914

Resistance Ratio:

0.22

Reactance Ratio:

0.52 0.4679 < 15.48

< 61.49

( Ph -E)

< 70.54

Operation time in msec

0.446 ph-ph

R

0.213

Zone-1

0 Zone-3

720

X

0.392

Zone-1B

0 Zone-4

1500

ph-e

R

8.354

Zone-2

500 Zone-5

2000

X

1.002

Z1



(R1

2



X 1

2

₎

Z0



(R0

2



X 0

2

₎

LineAngle( Ph



Ph)

Z4

(Reverse

)

(8)

Old Setting

New setting

NAME OF FEEDER

Edamon-Kayamkulam No.1

Edamon-Edappon

FEEDER CODE

KYEM-1

EMEP

LINE LENGTH

78 km.

NAME OF CONDUCTOR

Double Moose

NAME OF NEXT SHORTEST LINE

Kayamkulam-New Pallom-1 Edamon-Kundara

LENGTH OF NEXT SHORTEST LINE

47 km

NAME OF SHORTEST LINE CONDUCTOR

ACSR Kundah

Double Moose

NAME OF NEXT LONGEST LINE

Kayamkulam-Kundara

Edamon-Kundara

LENGTH OF NEXT LONGEST LINE

64.91 km.

NAME OF LONGEST LINE CONDUCTOR

Double Moose

R1 POSITIVE SEQUENCE RESISTANCE

0.884 X1POSITIVE SEQUENCE REACTANCE

8.787 R01 ZERO SEQUENCE RESISTANCE

7.612 X01 ZERO SEQUENCE RESISTANCE

36.279 R02 ZERO SEQUENCE RESISTANCE

7.612 X02 ZERO SEQUENCE RESISTANCE

36.279 Zone-1 Impedance

7.07 Zone-2 Impedance

10.60 Zone-3 Impedance

14.42 Zone-4 Impedance

14.42 Zone-5 Impedance

0.88 Phase-earth resistance zone 1

5.10 Phase-phase resistance zone 1

1.60 Limit resistance for zone2

5.46 Limit resistance for zone3

8.26