Final Report

Appendix A

JICA

Lao PDR

A-11

January, 2010 Preparatory Survey on N

am N

gum 1

Hydropow

er Station Expansion in Lao PDR

Figure A-11

Result of Pow

er Flow and V

oltage Regulation A

nalysis (Expansion Plan:

80MW

, Norm

al Condition)

Final Report

Appendix A

JICA

Lao PDR

A-12

January, 2010 Preparatory Survey on N

am N

gum 1

Hydropow

er Station Expansion in Lao PDR

Figure A-12

Result of Pow

er Flow and V

oltage Regulation A

nalysis (Expansion Plan:

80MW

, N-1 C

ontingency: NN

1-NX

A Fault)

Final Report

Appendix A

JICA

Lao PDR

A-13

January, 2010 Preparatory Survey on N

am N

gum 1

Hydropow

er Station Expansion in Lao PDR

Figure A-13

Result of Pow

er Flow and V

oltage Regulation A

nalysis (Expansion Plan:

80MW

, N-1 C

ontingency: NN

1-TL

A Fault)

Final Report

Appendix A

JICA

Lao PDR

A-14

January, 2010 Preparatory Survey on N

am N

gum 1

Hydropow

er Station Expansion in Lao PDR

Figure A-14

Result of Pow

er Flow and V

oltage Regulation A

nalysis (Expansion Plan:

120MW

, Norm

al Condition)

Final Report

Appendix A

JICA

Lao PDR

A-15

January, 2010 Preparatory Survey on N

am N

gum 1

Hydropow

er Station Expansion in Lao PDR

Figure A-15

Result of Pow

er Flow and V

oltage Regulation A

nalysis (Expansion Plan:

120MW

, N-1 C

ontingency: NN

1-NX

A Fault)

Final Report

Appendix A

JICA

Lao PDR

A-16

January, 2010 Preparatory Survey on N

am N

gum 1

Hydropow

er Station Expansion in Lao PDR

Figure A-16

Result of Pow

er Flow and V

oltage Regulation A

nalysis (Expansion Plan:

120MW

, N-1 C

ontingency: NN

1-TL

A Fault)

Final Report Appendix A

JICA Lao PDR A-17 January, 2010 Preparatory Survey on Nam Ngum 1 Hydropower Station Expansion in Lao PDR

Load of Transmission Line NN1-NXA

50.0

60.0

70.0

80.0

90.0

100.0

110.0

120.0

130.0

w/o Exp. 40 60 80 120

Exapansion Plan (MW)

Load (MVA)

Normal

N-1_TLA fault

N-1_NXA fault

Figure A-17 Transition of Load Flow of Transmission Line between Nam Ngum 1 P/S and Naxaythong S/S

Load of Transmission Line NN1-TLA

20.0

30.0

40.0

50.0

60.0

70.0

80.0

90.0

100.0

w/o Exp. 40 60 80 120

Exapansion Plan (MW)

Load (MVA)

Normal

N-1_TLA fault

N-1_NXA fault

Figure A-18 Transition of Load Flow of Transmission Line between Nam Ngum 1 P/S and Thalat S/S

Final Report Appendix A

JICA Lao PDR A-18 January, 2010 Preparatory Survey on Nam Ngum 1 Hydropower Station Expansion in Lao PDR

Load of Transmission Line NN1-NLE

-30.0

-25.0

-20.0

-15.0

-10.0

-5.0

0.0

5.0

10.0

15.0

w/o Exp. 40 60 80 120

Exapansion Plan (MW)

Load (MVA)

Normal

N-1_TLA fault

N-1_NXA fault

Figure A-19 Transition of Load Flow of Transmission Line between Nam Ngum 1 P/S and Nam Leuk P/S

Load of Transmission Line TLA-PSO

70.0

80.0

90.0

100.0

110.0

120.0

130.0

w/o Exp. 40 60 80 120

Exapansion Plan (MW)

Load (MVA)

Normal

N-1_TLA fault

N-1_NXA fault

Figure A-20 Transition of Load Capacity of Transmission Line between Thalat S/S and Phon Soung S/S

Final Report Appendix A

JICA Lao PDR A-19 January, 2010 Preparatory Survey on Nam Ngum 1 Hydropower Station Expansion in Lao PDR

Load of Transmission Line TLA-PSO

50.0

60.0

70.0

80.0

90.0

100.0

110.0

w/o Exp. 40 60 80 120

Exapansion Plan (MW)

Load (MVA)

Normal

N-1_TLA fault

N-1_NXA fault

Figure A-21 Transition of Load Flow of Transmission Line between Phon Soung S/S and Phontong S/S

Load of Transmission Line NXA-PTO

50.0

55.0

60.0

65.0

70.0

75.0

80.0

w/o Exp. 40 60 80 120

Exapansion Plan (MW)

Load (MVA)

Normal

N-1_TLA fault

N-1_NXA fault

Figure A-22 Transition of Load Flow of Transmission Line between Naxaythong S/S and Phontong S/S

Final Report Appendix A

JICA Lao PDR A-20 January, 2010 Preparatory Survey on Nam Ngum 1 Hydropower Station Expansion in Lao PDR

Load of Transmission Line NXA-KSA

10.0

12.0

14.0

16.0

18.0

20.0

22.0

24.0

w/o Exp. 40 60 80 120

Exapansion Plan (MW)

Load (MVA)

Normal

N-1_TLA fault

N-1_NXA fault

Figure A-23 Transition of Load Flow of Transmission Line between Naxaythong S/S and Khok Saat S/S

Load of Transmission Line KSA-TNA

75.0

77.0

79.0

81.0

83.0

85.0

87.0

89.0

91.0

93.0

w/o Exp. 40 60 80 120

Exapansion Plan (MW)

Load (MVA)

Normal

N-1_TLA fault

N-1_NXA fault

Figure 7.2.7.24 Transition of Load Flow of Transmission Line between Khok Saat S/S and Thanaleng S/S

Final Report Appendix A

JICA Lao PDR A-21 January, 2010 Preparatory Survey on Nam Ngum 1 Hydropower Station Expansion in Lao PDR

Load of Transmission Line PTO-TNA

35.0

37.0

39.0

41.0

43.0

45.0

47.0

w/o Exp. 40 60 80 120

Exapansion Plan (MW)

Load (MVA)

Normal

N-1_TLA fault

N-1_NXA fault

Figure A-25 Transition of Load Flow of Transmission Line between Phontong S/S and Thanaleng S/S

Load of Transmission Line PTO-NK

50.0

55.0

60.0

65.0

70.0

75.0

80.0

w/o Exp. 40 60 80 120

Exapansion Plan (MW)

Load (MVA)

Normal

N-1_TLA fault

N-1_NXA fault

Figure A-26 Transition of Load Flow of Transmission Line between Phontong S/S and Nong Khai S/S (EGAT)

Final Report Appendix A

JICA Lao PDR A-22 January, 2010 Preparatory Survey on Nam Ngum 1 Hydropower Station Expansion in Lao PDR

Load of Transmission Line TNA-NK

65.0

70.0

75.0

80.0

85.0

90.0

w/o Exp. 40 60 80 120

Exapansion Plan (MW)

Load (MVA)

Normal

N-1_TLA fault

N-1_NXA fault

Figure A-27 Transition of Load Flow of Transmission Line between Thanaleng S/S and Nong Khai S/S (EGAT)

Load of Main Bus Conductor at TLA S/S

100.0

110.0

120.0

130.0

140.0

150.0

160.0

170.0

w/o Exp. 40 60 80 120

Exapansion Plan (MW)

Load (MVA)

N-1_TLA fault

N-1_NXA fault

Figure A-28 Transition of Load Flow of Main Bus of Thalat S/S

Final Report Appendix A

JICA Lao PDR A-23 January, 2010 Preparatory Survey on Nam Ngum 1 Hydropower Station Expansion in Lao PDR

Load of Main Bus Conductor at PSO S/S

70.0

80.0

90.0

100.0

110.0

120.0

130.0

w/o Exp. 40 60 80 120

Exapansion Plan (MW)

Load (MVA)

N-1_TLA fault

N-1_NXA fault

Figure A-29 Transition of Load Flow of Main Bus of Phon Soung S/S

Load of Main Bus Conductor at NXA S/S

250

260

270

280

290

300

310

320

330

340

w/o Exp. 40 60 80 120

Exapansion Plan (MW)

Load (MVA)

Normal

N-1_TLA fault

N-1_NXA fault

Figure A-30 Transition of Load Flow of Main Bus of Naxaythong S/S

Final Report Appendix A

JICA Lao PDR A-24 January, 2010 Preparatory Survey on Nam Ngum 1 Hydropower Station Expansion in Lao PDR

Load of Main Bus Conductor at PTO S/S

250.0

260.0

270.0

280.0

290.0

300.0

310.0

320.0

330.0

w/o Exp. 40 60 80 120

Exapansion Plan (MW)

Load (MVA)

N-1_TLA fault

N-1_NXA fault

Figure A-31 Transition of Load Flow of Main Bus of Phontong S/S

Load of Main Bus Conductor at KSA S/S

230.0

235.0

240.0

245.0

250.0

255.0

260.0

265.0

270.0

275.0

280.0

w/o Exp. 40 60 80 120

Exapansion Plan (MW)

Load (MVA)

N-1_TLA fault

N-1_NXA fault

Figure A-32 Transition of Load Flow of Main Bus of Khok Saat S/S

Final Report Appendix A

JICA Lao PDR A-25 January, 2010 Preparatory Survey on Nam Ngum 1 Hydropower Station Expansion in Lao PDR

Load of Main Bus Conductor at TNA S/S

170.0

175.0

180.0

185.0

190.0

195.0

200.0

205.0

210.0

215.0

220.0

w/o Exp. 40 60 80 120

Exapansion Plan (MW)

Load (MVA)

N-1_TLA fault

N-1_NXA fault

Figure A-33 Transition of Load Flow of Main Bus of Thanaleng S/S

Figure A-34 Stability Analysis (Case NN1_40MW_1_TLA_fault)

Final Report Appendix A

JICA Lao PDR A-26 January, 2010 Preparatory Survey on Nam Ngum 1 Hydropower Station Expansion in Lao PDR

Figure A-35 Stability Analysis (Case NN1_40MW_1_NXA_fault)

Figure A-36 Stability Analysis (Case NN1_60MW_1_TLA_fault)

Final Report Appendix A

JICA Lao PDR A-27 January, 2010 Preparatory Survey on Nam Ngum 1 Hydropower Station Expansion in Lao PDR

Figure A-37 Stability Analysis (Case NN1_60MW_1_NXA_fault)

Figure A-38 Stability Analysis (Case NN1_80MW_1_TLA_fault)

Final Report Appendix A

JICA Lao PDR A-28 January, 2010 Preparatory Survey on Nam Ngum 1 Hydropower Station Expansion in Lao PDR

Figure A-39 Stability Analysis (Case NN1_80MW_1_NXA_fault)

Figure A-40 Stability Analysis (Case NN1_120MW_1_TLA_fault)

Final Report Appendix A

JICA Lao PDR A-29 January, 2010 Preparatory Survey on Nam Ngum 1 Hydropower Station Expansion in Lao PDR

Figure A-41 Stability Analysis (Case NN1_120MW_1_NXA_fault)