FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

52
ANALYSIS OF FREE GOVERNOR MODE OF OPERATION AT 10:50HRS DURING 800MW LOSS OF GENERATION IN KARNATAKA FREQUENCY TOUCHED 48.56HZ ON 17-AUGUST-05

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ANALYSIS OF FREE GOVERNOR MODE OF OPERATION AT 10:50HRS DURING 800MW LOSS OF GENERATION IN KARNATAKA FREQUENCY TOUCHED 48.56HZ ON 17-AUGUST-05. FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05. ISGS. NTPC - 1. FREQ DROP FROM 50.14 HZ TO 48.56 HZ i.e. ~ 1.58HZ. - PowerPoint PPT Presentation

Transcript of FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

Page 1: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

ANALYSIS OF

FREE GOVERNOR MODE OF OPERATION

AT 10:50HRS

DURING 800MW LOSS OF GENERATION IN KARNATAKA

FREQUENCY TOUCHED 48.56HZ

ON 17-AUGUST-05

Page 2: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

130

140

150

160

170

180

8:5

0

9:5

0

10

:50

11

:50

12

:50

13

:50

TIME IN HH:MM ----->

MW

---

-->

48.50

48.70

48.90

49.10

49.30

49.50

49.70

49.90

50.10

50.30

50.50

FR

EQ

IN H

Z -

----

>

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

NTPC - 1

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 3: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

120

130

140

150

160

170

180

8:5

0

9:5

0

10

:50

11

:50

12

:50

13

:50

TIME IN HH:MM ----->

MW

---

-->

48.50

48.70

48.90

49.10

49.30

49.50

49.70

49.90

50.10

50.30

50.50

FR

EQ

IN H

Z -

----

>

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

NTPC - 2

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 4: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

120

130

140

150

160

170

180

8:5

0

9:5

0

10

:50

11

:50

12

:50

13

:50

TIME IN HH:MM ----->

MW

---

-->

48.50

48.70

48.90

49.10

49.30

49.50

49.70

49.90

50.10

50.30

50.50

FR

EQ

IN H

Z -

----

>

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

NTPC - 3

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 5: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

320

340

360

380

400

420

8:5

0

9:5

0

10

:50

11

:50

12

:50

13

:50

TIME IN HH:MM ----->

MW

---

-->

48.50

48.70

48.90

49.10

49.30

49.50

49.70

49.90

50.10

50.30

50.50

FR

EQ

IN H

Z -

----

>

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

NTPC - 4

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 6: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

320

340

360

380

400

420

8:5

0

9:5

0

10

:50

11

:50

12

:50

13

:50

TIME IN HH:MM ----->

MW

---

-->

48.50

48.70

48.90

49.10

49.30

49.50

49.70

49.90

50.10

50.30

50.50

FR

EQ

IN H

Z -

----

>

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

NTPC - 5

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 7: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

0

100

200

300

400

8:5

0

9:5

0

10

:50

11

:50

12

:50

13

:50

TIME IN HH:MM ----->

MW

---

-->

48.50

48.70

48.90

49.10

49.30

49.50

49.70

49.90

50.10

50.30

50.50

FR

EQ

IN H

Z -

----

>

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

NTPC - 6

UNIT OUT

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 8: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

100

220

340

8:5

0

9:5

0

10

:50

11

:50

12

:50

13

:50

TIME IN HH:MM ----->

MW

---

-->

48.50

48.7048.90

49.1049.30

49.50

49.7049.90

50.1050.30

50.50

FR

EQ

IN H

Z -

----

>

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

NLY II - 1

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 9: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

0

50

100

150

200

8:5

0

9:5

0

10

:50

11

:50

12

:50

13

:50

TIME IN HH:MM ----->

MW

---

-->

48.5048.7048.9049.1049.3049.5049.7049.9050.1050.3050.50

FR

EQ

IN H

Z -

----

>

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

NLY II - 2

UNIT OUT

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 10: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

120

140

160

180

200

8:5

0

9:5

0

10

:50

11

:50

12

:50

13

:50

TIME IN HH:MM ----->

MW

---

-->

48.5048.7048.9049.1049.3049.5049.7049.9050.1050.3050.50

FR

EQ

IN H

Z -

----

>

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

NLY II - 3

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 11: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

110

120

130

140

150

160

170

8:5

0

9:5

0

10

:50

11

:50

12

:50

13

:50

TIME IN HH:MM ----->

MW

---

-->

48.5048.7048.9049.1049.3049.5049.7049.9050.1050.3050.50

FR

EQ

IN H

Z -

----

>

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

NLY II - 4

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 12: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

140

145

150

155

160

8:5

0

9:5

0

10

:50

11

:50

12

:50

13

:50

TIME IN HH:MM ----->

MW

---

-->

48.5048.7048.9049.1049.3049.5049.7049.9050.1050.3050.50

FR

EQ

IN H

Z -

----

>

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

NLY II - 5

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 13: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

140

150

160

170

180

8:5

0

9:5

0

10

:50

11

:50

12

:50

13

:50

TIME IN HH:MM ----->

MW

---

-->

48.50

49.00

49.50

50.00

50.50

FR

EQ

IN H

Z -

----

>

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

NLY II - 6

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 14: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

140

150

160

170

180

8:5

0

9:5

0

10

:50

11

:50

12

:50

13

:50

TIME IN HH:MM ----->

MW

---

-->

48.50

49.00

49.50

50.00

50.50

FR

EQ

IN H

Z -

----

>

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

NLY II - 7

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 15: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

140

145

150

155

160

8:5

1

9:5

1

10

:51

11

:51

12

:51

13

:51

TIME IN HH:MM ----->

MW

---

-->

48.00

48.50

49.00

49.50

50.00

50.50

51.00

51.50

FR

EQ

IN H

Z -

----

>

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

NLY TPS I (Exp) - 1

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 16: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

145

150

155

160

165

170

175

8:5

1

9:5

1

10

:51

11

:51

12

:51

13

:51

TIME IN HH:MM ----->

MW

---

-->

48.00

48.50

49.00

49.50

50.00

50.50

51.00

51.50

FR

EQ

IN H

Z -

----

>

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

NLY TPS I (Exp) - 2

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 17: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

300

320

340

360

380

400

8:50

9:50

10:5

0

11:5

0

12:5

0

13:5

0

TIME IN HH:MM ----->

MW

---

-->

48.50

49.00

49.50

50.00

50.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

SIMHADRI - 1

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 18: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

300

320

340

360

380

400

8:50

9:50

10:5

0

11:5

0

12:5

0

13:5

0

TIME IN HH:MM ----->

MW

---

-->

48.50

49.00

49.50

50.00

50.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

SIMHADRI - 2

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 19: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

120

140

160

180

200

8:50

9:50

10:5

0

11:5

0

12:5

0

13:5

0

TIME IN HH:MM ----->

MW

---

-->

48.50

49.00

49.50

50.00

50.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

VTS-1

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 20: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

0

20

40

60

80

100

120

140

160

180

200

8:50

9:50

10:5

0

11:5

0

12:5

0

13:5

0

TIME IN HH:MM ----->

MW

---

-->

48.50

49.00

49.50

50.00

50.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

VTS-2

UNIT OUT

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 21: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

150

160

170

180

8:50

9:50

10:5

0

11:5

0

12:5

0

13:5

0

TIME IN HH:MM ----->

MW

---

-->

48.50

49.00

49.50

50.00

50.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

VTS-3

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 22: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

0

50

100

150

8:50

9:50

10:5

0

11:5

0

12:5

0

13:5

0

TIME IN HH:MM ----->

MW

---

-->

48.50

49.00

49.50

50.00

50.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

VTS-4

UNIT OUT

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 23: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

165

170

175

8:50

9:50

10:5

0

11:5

0

12:5

0

13:5

0

TIME IN HH:MM ----->

MW

---

-->

48.50

49.00

49.50

50.00

50.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

VTS-5

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 24: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

120

140

160

180

200

8:52

9:52

10:5

2

11:5

2

12:5

2

13:5

2

TIME IN HH:MM ----->

MW

---

-->

48.50

49.00

49.50

50.00

50.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

VTS-6

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 25: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

160

180

200

8:52

9:52

10:5

2

11:5

2

12:5

2

13:5

2

TIME IN HH:MM ----->

MW

---

-->

48.50

49.00

49.50

50.00

50.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

KTS-9

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 26: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

160

180

200

8:52

9:52

10:5

2

11:5

2

12:5

2

13:5

2

TIME IN HH:MM ----->

MW

---

-->

48.50

49.00

49.50

50.00

50.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

KTS-10

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 27: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

0

50

100

150

200

8:5

2

9:5

2

10

:52

11

:52

12

:52

13

:52

TIME IN HH:MM ----->

MW

---

-->

48.50

49.00

49.50

50.00

50.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

RYTPS-1

UNIT OUT

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 28: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

130

150

170

8:52

9:52

10:5

2

11:5

2

12:5

2

13:5

2

TIME IN HH:MM ----->

MW

---

-->

48.50

49.00

49.50

50.00

50.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

RYTPS-2

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 29: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

0

10

20

30

40

50

60

70

8:51

9:51

10:5

1

11:5

1

12:5

1

13:5

1

TIME IN HH:MM ----->

MW

---

-->

48.50

49.00

49.50

50.00

50.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

UPPER SILERU-3

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 30: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

0

10

20

30

40

50

60

70

8:51

9:51

10:5

1

11:5

1

12:5

1

13:5

1

TIME IN HH:MM ----->

MW

---

-->

48.50

49.00

49.50

50.00

50.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

UPPER SILERU-4

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 31: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

0

20

40

60

80

100

120

8:51

9:51

10:5

1

11:5

1

12:5

1

13:5

1

TIME IN HH:MM ----->

MW

---

-->

48.50

49.00

49.50

50.00

50.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

LOWER SILERU-3

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 32: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

0

20

40

60

80

100

120

8:50

9:50

10:5

0

11:5

0

12:5

0

13:5

0

TIME IN HH:MM ----->

MW

---

-->

48.50

49.00

49.50

50.00

50.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

SSLM RB-2

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 33: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

0

20

40

60

80

100

120

8:50

9:50

10:5

0

11:5

0

12:5

0

13:5

0

TIME IN HH:MM ----->

MW

---

-->

48.50

49.00

49.50

50.00

50.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

SSLM LB-2

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 34: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

100

110

8:50

9:50

10:5

0

11:5

0

12:5

0

13:5

0

TIME IN HH:MM ----->

MW

---

-->

48.50

49.00

49.50

50.00

50.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

N’SAGAR 3

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 35: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

100

110

120

130

140

150

160

8:5

0

9:5

0

10

:50

11

:50

12

:50

13

:50

TIME IN HH:MM ----->

MW

---

-->

48.50

48.70

48.90

49.10

49.30

49.50

49.70

49.90

50.10

50.30

50.50

FR

EQ

IN H

Z -

----

>

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

RTPS - 6

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 36: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

0

10

20

30

40

50

60

70

80

90

100

8:5

0

9:5

0

10

:50

11

:50

12

:50

13

:50

TIME IN HH:MM ----->

MW

---

-->

48.50

48.70

48.90

49.10

49.30

49.50

49.70

49.90

50.10

50.30

50.50

FR

EQ

IN H

Z -

----

>

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

SHARAVATHI – UNITS

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 37: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

100

110

120

130

140

150

8:5

0

9:5

0

10

:50

11

:50

12

:50

13

:50

TIME IN HH:MM ----->

MW

---

-->

48.50

48.70

48.90

49.10

49.30

49.50

49.70

49.90

50.10

50.30

50.50

FR

EQ

IN H

Z -

----

>

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

NAGJHERI – UNITS

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

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GENERATION vs FREQUENCY FOR

0

20

40

60

80

100

120

140

8:5

0

9:5

0

10

:50

11

:50

12

:50

13

:50

TIME IN HH:MM ----->

MW

---

-->

48.50

48.70

48.90

49.10

49.30

49.50

49.70

49.90

50.10

50.30

50.50

FR

EQ

IN H

Z -

----

>

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

VARAHI-1

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

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GENERATION vs FREQUENCY FOR

0

10

8:5

0

9:5

0

10

:50

11

:50

12

:50

13

:50

TIME IN HH:MM ----->

MW

---

-->

48.50

48.70

48.90

49.10

49.30

49.50

49.70

49.90

50.10

50.30

50.50

FR

EQ

IN H

Z -

----

>

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

KADRA-1

UNITS OUT

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

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GENERATION vs FREQUENCY FOR

0

20

40

60

80

100

120

8:5

0

9:5

0

10

:50

11

:50

12

:50

13

:50

TIME IN HH:MM ----->

MW

---

-->

48.50

48.70

48.90

49.10

49.30

49.50

49.70

49.90

50.10

50.30

50.50

FR

EQ

IN H

Z -

----

>

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

IDDUKKI – 2

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

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GENERATION vs FREQUENCY FOR

0

10

20

30

40

50

8:5

0

9:5

0

10

:50

11

:50

12

:50

13

:50

TIME IN HH:MM ----->

MW

---

-->

48.50

48.70

48.90

49.10

49.30

49.50

49.70

49.90

50.10

50.30

50.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

SABARIGIRI – 2

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

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GENERATION vs FREQUENCY FOR

0

10

20

30

8:5

0

9:5

0

10

:50

11

:50

12

:50

13

:50

TIME IN HH:MM ----->

MW

---

-->

48.50

48.70

48.90

49.10

49.30

49.50

49.70

49.90

50.10

50.30

50.50

FR

EQ

IN H

Z -

----

>

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

KUTTIADI -1,2,3

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

Page 43: FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

GENERATION vs FREQUENCY FOR

40

50

60

8:5

0

9:5

0

10

:50

11

:50

12

:50

13

:50

TIME IN HH:MM ----->

MW

---

-->

48.50

48.70

48.90

49.10

49.30

49.50

49.70

49.90

50.10

50.30

50.50

FR

EQ

IN H

Z -

----

>

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

LOWER PERIYAR -3

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

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GENERATION vs FREQUENCY FOR

150

160

170

180

190

200

210

220

8:50

9:50

10:5

0

11:5

0

12:5

0

13:5

0

TIME IN HH:MM ----->

MW

---

-->

48.00

48.50

49.00

49.50

50.00

50.50

51.00

51.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

TTPS – 1

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

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GENERATION vs FREQUENCY FOR

190

200

210

220

8:50

9:50

10:5

0

11:5

0

12:5

0

13:5

0

TIME IN HH:MM ----->

MW

---

-->

48.00

48.50

49.00

49.50

50.00

50.50

51.00

51.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

TTPS – 5

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

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GENERATION vs FREQUENCY FOR

190

200

210

220

230

8:50

9:50

10:5

0

11:5

0

12:5

0

13:5

0

TIME IN HH:MM ----->

MW

---

-->

48.00

48.50

49.00

49.50

50.00

50.50

51.00

51.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

MTPS – 3

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

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GENERATION vs FREQUENCY FOR

190

200

210

220

8:50

9:50

10:5

0

11:5

0

12:5

0

13:5

0

TIME IN HH:MM ----->

MW

---

-->

48.00

48.50

49.00

49.50

50.00

50.50

51.00

51.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

NCTPS – 1

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

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GENERATION vs FREQUENCY FOR

190

200

210

220

8:50

9:50

10:5

0

11:5

0

12:5

0

13:5

0

TIME IN HH:MM ----->

MW

---

-->

48.00

48.50

49.00

49.50

50.00

50.50

51.00

51.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

NCTPS – 2

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

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GENERATION vs FREQUENCY FOR

0

10

20

30

40

50

60

70

80

90

100

110

8:5

0

9:5

0

10

:50

11

:50

12

:50

13

:50

TIME IN HH:MM ----->

MW

---

-->

48.00

48.50

49.00

49.50

50.00

50.50

51.00

51.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

KADAMPARAI – 1

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

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GENERATION vs FREQUENCY FOR

0

10

20

30

40

50

60

70

8:50

9:50

10:5

0

11:5

0

12:5

0

13:5

0

TIME IN HH:MM ----->

MW

---

-->

48.00

48.50

49.00

49.50

50.00

50.50

51.00

51.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

ALIYAR – 1

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

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GENERATION vs FREQUENCY FOR

0

10

20

30

40

50

60

70

8:50

9:50

10:5

0

11:5

0

12:5

0

13:5

0

TIME IN HH:MM ----->

MW

---

-->

48.00

48.50

49.00

49.50

50.00

50.50

51.00

51.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

KUNDAH III– 1

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ

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GENERATION vs FREQUENCY FOR

0

10

20

30

40

50

60

8:50

9:50

10:5

0

11:5

0

12:5

0

13:5

0

TIME IN HH:MM ----->

MW

---

-->

48.00

48.50

49.00

49.50

50.00

50.50

51.00

51.50

FR

EQ

IN

HZ

---

-->

FREE GOVERNOR MODE OF OPERATION ON 17-AUG-05

KUNDAH IV– 1

FREQ DROP FROM 50.14 HZ TO 48.56 HZ

i.e. ~ 1.58HZ