LAMPIRAN 1 GARDU INDUK PLTU 2 SUMATERA UTARA 2x200 MW MEDAN PROJECT

V,Hz FR SYN BUSBAR PROTECTION Id -F87B21 Id Id -F87B22 -F87B23 BUSBAR W2 DIAMETER 1 PD 5 4 TR TCS S YN 4 6 TR TCS BUSBAR PROTECTION Id -F87B13 Id Id -F87B12 -F87B11 FR SYN Q41 T6.3 Q42 6BB-BE P 20 Id F872 Id F871 3I > F872

275 OHL BINJAI LINE 1

PD 4 6 TR TCS 3 I > F 50B F + SZP T5.21 T5.22 T5.23 T5.24 T5.25 T5.35 T5.34 T5.34 T5.32 T5.31 T5.11 T5.12 T5.13 T5.14 T5.15 3 I > F 50B F + SZP Id F871 Id F872 w A V Ar v Hz kWh k varh BCU P50/51 w A VAr v Hz kWh kvarh BCU P50/51 P1Q392 6 B1-4E Q329 6 B1-3 Q391 6 B1-3E Q381 6A1-3 Q328 6A1-3 Q382 6A1-4E T5.51 T5.52 T5.53 T5.54 T5.55 TO GENERATOR TRANS FORMER P ROTECTION P1

P2

GE NERATOR TRANS FORMER 1 300 -600/1A GE NERATOR TRAFO 300+/-2X2.5%/ 15.75kV 26 0MVA 1 2 3 S URGE ARR ESTER 275kV 10KA

GPEC SCOPE OFF EPEC AREVA SCOPE OFF EPEC

1CVT 275:$3/0.11:$3/0.11:$3 kV 100VA cl.0.2 150VA cl.3P 6 B B -A E Q30 6A1-1E Q20 6A1-1 B1 F25/27 Q51 6A1 Q21-2 Q21 6A1-2 Q22 6AB1-1 Q32 6AB1-1 F1 T6.3 P2 F212 FL F21M2 F67N2 Z < F21M1 Z < F67N1 FR T6.4 P20 1CVT 275:$3/0.11:$3/0.11:$3 kV 100VA cl.0.2 150VA cl.3P Q25 6 B1-2 Q35 6 B1-2E P1 P2 P1 P2 P1 P2 P1 P2 T5.55 T5.54 T5.53 T5.52 T5.51 A179 B3 Q34 6B1 -1E Q24 6B1 -1 Q23 6AB 3-2 Q33 6AB 1-2E B2 A179 3P/1P 3P/1P

275 OHL BINJAI LINE 2

TO GENERATOR TRANS FORMER P ROTECTION P1

P2

STATION SERVICE TRANSFORMER STATION SERVICE TRANSFORMER

275+/-8x1.5%/16.3kV 31 .5/20 -20MVA 1 2 3 4 3 SUR GE ARRESTERS 2 75 KV 10kV 3 CVT 2 75:$3/0.11:$3/0.11 :$3 kV 1 50VA cl.3P 1 00VA cl.0.2 3 x1 PHASE 2 000-1000/1-1-1-1-1A CT5 - CL X CT4 - CL X CT3 - CL X CT2 - CL X CT1 - CL X 3 PHASE DISCONN ECTOR W ITH D OU BLE E/S 2 000A- 31.5KA 2 75KV - 50Hz - 2 000 A - 31 .5KA 1s 3 x1 PHASE 2 000-1000/1-1-1-1-1A CT5 - CL X CT4 - CL X CT3 - 30VA CL 5P20 CT2 - CL X CT1 - CL X 3 x1 PHASE CIRCUIT BREAKER 2 000A-31.5KA 3 PHASE DISCONNECTOR W ITH E/S 2 000A- 31.5KA

3 PHASE DISCONN ECTOR W ITH E/S 2 000A- 31.5KA 3 x1 PHASE CIRCUIT BREAKER 2 000A-31.5KA 3 x1 PHASE CT 2 000-1000/1-1-1-1-1A CT5 - CL X CT4 - CL X CT3 - 30VA CL 5P20 CT2 - CL X CT1 - CL X 3 PHASE DISCONN ECTOR W ITH E/S 2 000A- 31.5KA

3 PHASE DISCONN ECTOR W ITH E/S 2 000A- 31.5KA 3 x1 PHASE CIRCUIT BREAKER 2 000A-31.5KA 3 x1 PHASE CT 2 000-1000/1-1-1-1-1A CT5 - CL X CT4 - CL X CT3 - 30VA CL 5P20 CT2 - CL X CT1 - CL X 3 PHASE DISCONN ECTOR W ITH E/S 2 000A- 31.5KA 2 75KV - 50Hz - 2 000 A - 31.5KA 1s

3 PHASE DISCONN ECTOR W ITH D OU BLE E/S 2 000A- 31.5KA 1 000/1A - 30VA, CL 5P40 1 000/1A - 30VA, CL 5P40 1 000/1A - 30VA CL 0.2S 2 000/1 000/1 A CL X 2 000/1 000/1 A CL X 3 CVT 2 75:$3/0.11 :$3/0 .11: kV 1 50VA cl.3P 1 00VA cl.0.2 1 50 VA cl.3P (OPEN DELTA) PD ₅ 6 TR TCS SYN 4 6 TR T CS 3I > F50 BF + SZP T5.21 T5.22 T5.23 T5.24 T5.25 T5.11 T5.12 T5.13 T5.14 T5.15 3 I > F 50B F + SZP w A VAr v Hz kWh kvarh BCU P50/51 Q381 6A 4-3E Q28 6A4-3 Q382 6A 4-4E T5.51 T5.52 T5.53 T5.54 T5.55 TO GENERATOR TRANS FORMER P ROTECTION P1

P2

GE NERATOR TRANS FORMER 2 300 -600/1A GE NERATOR TRAFO 300+/ -2X2.5%/15.75kV 260 MVA 1 2 3 SUR GE ARRESTER 2 75kV 10KA Q30 6A 4-1E Q20 6A4-1 B7 6A 4-2E Q21 Q22 6AB 4-2 Q32 6AB 4-1E P2 P1 P2 P1 P2 P1 Q23 6 AB4-2 Q33 6 AB4-2E B8 A179 3P/1P DIAMETER 4 Q52 6AB4 SYN F25/27 1 TR(F86B 12) 6A4-1 Q31 Id F871 Id F872

GARDU INDUK PLTU 2 SUMATERA UTARA 2x200 MW MEDAN PROJECT

3 PHASE DISCONNECTOR W ITH E/S 2 000A- 31.5KA DIAMETER 2 PD 4 6 TR TCS S YN 4 6 TR TCS Id F872 Id F871 3I > F50BF PD 4 6 TR TCS 3I > F50BF + SZP T5.21 T5.22 T5.23 T5.24 T5.25 T5.35 T5.34 T5.34 T5.32 T5.31 T5.11 T5.12 T5.13 T5.14 T5.15 3I > F50BF + SZP Id F871 Id F872 w A V Ar v Hz kWh k varh BCU P60/61 w A VAr v Hz kWh kvarh BCU P50/51 P1Q392 6 B2-4E Q329 6 B2-3 Q391 6 B2-3E Q381 6A 2-3E Q328 6A2-3 Q382 6A2-4E T5.51 T5.52 T5.53 T5.54 T5.55 TO GENERATOR TRANS FORMER P ROTECTION S URGE ARR ESTER

275kV 10KA Q30 6A 2-1E Q20 6A2-1 B4 F25/27 Q51 6A2 Q31-2 6A2-2E Q21 6A1-2 Q22 6AB2-1 Q32 6AB2-1 F1 T6.3 P2 F212 FL F21M2 F67N2 Z < F21M1 Z < F67N1 FR Q25 6 B2-2 Q35 6 B2-2E P1 P2 P2 P1 P2 P1 P2 P1 T5.55 T5.54 T5.53 T5.52 T5.51 A179 B6 Q34 6B2-1E Q24 6B2-1E Q23 6AB2-2 Q33 6AB2-2E B5 A179 3P/1P 3P/1P Q53 6B2 Q52 6AB2 Q53 6B3 Q52 6AB1

LAMPIRAN 1

LAMPIRAN 2

DATA PERALATAN GI PANGKALAN SUSU Data beban

Data Beban Sumbagut

No Nama Bus Tipe Bus Load MW Load MVar 1 Banda Aceh Bus Generator 96 72

2 Sigli Bus Generator 48 36

3 Bireun Bus Generator 48 36

4 Lhokseumawe Bus Generator 36 19

5 Idie Bus Generator 24 18

6 Langsa Bus Generator 24 18

7 Tualang Cut Bus Generator 24 18 8 Pangkalan Brandan Bus Beban 48 36

9 Binjai Bus Beban 96 72

11 Labuhan Bus Beban 73.2 54.9

12 Lamhotma Bus Beban 16 12

13 Paya Pasir Bus Generator 48 36

14 Mabar Bus Beban 166 124.5

15 Paya Geli Bus Beban 144 108

16 Glugur Bus Generator 96 72

17 Namorambe Bus Beban 48 36

18 Titi Kuning Slack 144 108

19 Gis Listrik Bus Beban 96 72

20 Brastagi Bus Generator 40 30 22 Sidikalang & Tele Bus Beban 24 18 23 Tarutung Bus Generator 16 12

24 Porsea Bus Beban 16 12

25 P. Siantar Bus Generator 72 54 26 Tebing Tinggi Bus Beban 96 72 27 Perbaungan Bus Beban 49.2 36.9 28 Sei Rotan Bus Beban 73.2 54.9

29 Kim Bus Generator 144 108

30 Denai Bus Beban 48 36

31 T. Morawa & K.

32 Kuala Tanjung Bus Generator 192 144 33 Kisaran Bus Generator 97.2 72.9

34 Aek Kanopan Bus Beban 16 12

35 R. Prapat & G. Tua Bus Beban 57.2 42.9 36 P. Sidempuan Bus Beban 48 36

37 Martabe Bus Beban 48 36

38 Sibolga Bus Beban 16 12

40 Labuhan Angin Bus Generator 8 6

41 G. Para Bus Beban 24 18

Data Transmisi SUMBAGUT

Data Transmisi Sumbagut Dari

No. Dari Bus

Ke

No. Ke Bus Sirkit

R X KHA

(Ohm/Km) (Ohm/Km) (MVA) 1 Banda Aceh 2 Sigli 1 0.049 0.162 167.5 1 Banda Aceh 2 Sigli 2 0.049 0.162 167.5

2 Sigli 3 Bireun 1 0.052 0.175 167.5 2 Sigli 3 Bireun 2 0.052 0.175 167.5 3 Bireun 4 Lhokseumawe 1 0.032 0.108 167.5 3 Bireun 4 Lhokseumawe 2 0.032 0.108 167.5 4 Lhokseumawe 5 Idie 1 0.043 0.145 167.5 4 Lhokseumawe 6 Langsa 1 0.068 0.226 167.5 5 Idie 6 Langsa 1 0.024 0.082 167.5

6 Langsa 7 Tualang Cut 1 0.013 0.042 167.5 6 Langsa 8 P. Brandan 1 0.041 0.138 167.5 6 Langsa 8 P. Brandan 2 0.041 0.138 167.5 8 P. Susu 9 Binjai 1 0.034 0.293 167.5 9 Binjai 8 P. Brandan 2 0.027 0.089 167.5 9 Binjai 10 Belawan 1 0.006 0.046 467.6 9 Binjai 10 Belawan 2 0.006 0.046 467.6

9 Binjai 15 Paya Geli 1 0.004 0.018 335.2 9 Binjai 15 Paya Geli 2 0.004 0.018 335.2 10 Belawan 11 Labuhan 1 0.002 0.005 167.5 10 Belawan 13 Paya Pasir 1 0.001 0.007 441.7 10 Belawan 13 Paya Pasir 2 0.001 0.007 441.7

10 Belawan 28 Sei Rotan 1 0.002 0.031 3600.1 10 Belawan 28 Sei Rotan 2 0.002 0.031 3600.1 11 Labuhan 12 Lamhotma 1 0.00172 0.006 167.5 13 Paya Pasir 14 Mabar 1 0.003 0.011 192.3 13 Paya Pasir 14 Mabar 2 0.003 0.011 192.3 13 Paya Pasir 15 Paya Geli 1 0.01 0.038 192.3 13 Paya Pasir 15 Paya Geli 2 0.01 0.038 192.3 28 Sei Rotan 13 Paya Pasir 1 0.011 0.03146 192.3 13 Paya Pasir 28 Sei Rotan 2 0.011 0.03146 192.3 15 Paya Geli 16 Glugur 1 0.005 0.021 192.3 15 Paya Geli 16 Glugur 2 0.005 0.021 192.3 15 Paya Geli 17 Namorambe 1 0.008 0.033 192.3 15 Paya Geli 18 Titi Kuning 1 0.014 0.054 192.3 17 Namorambe 18 Titi Kuning 1 0.006 0.022 192.3 18 Titi Kuning 19 Gis Listrik 1 0.009 0.032 167.5 18 Titi Kuning 19 Gis Listrik 2 0.009 0.032 167.5 18 Titi Kuning 20 Brastagi 1 0.028 0.092 167.5 18 Titi Kuning 20 Brastagi 2 0.028 0.092 167.5 28 Sei Rotan 18 Titi Kuning 1 0.008 0.031 192.3 28 Sei Rotan 18 Titi Kuning 2 0.008 0.031 192.3

20 Brastagi 21 Renun 1 0.027 0.088 167.5

20 Brastagi 22 Sidikalang & Tele 1 0.034 0.113 167.5 22 Sidikalang & Tele 21 Renun 1 0.013 0.044 167.5 22 Sidikalang & Tele 23 Tarutung 1 0.065 0.215 167.5 22 Sidikalang & Tele 23 Tarutung 2 0.065 0.215 167.5 23 Tarutung 24 Porsea 1 0.03899 0.12878 154.1 23 Tarutung 24 Porsea 2 0.03899 0.12878 154.1 23 Tarutung 38 Sibolga 1 0.026 0.087 167.5 23 Tarutung 38 Sibolga 2 0.026 0.087 167.5 24 Porsea 25 P. Siantar 1 0.038 0.128 167.5 24 Porsea 25 P. Siantar 2 0.038 0.128 167.5 25 P. Siantar 26 Tebing Tinggi 1 0.026 0.087 167.5 25 P. Siantar 41 G. Para 1 0.00066 0.00189 335.2 27 Perbaungan 26 Tebing Tinggi 1 0.019 0.064 167.5 26 Tebing Tinggi 28 Sei Rotan 1 0.028 0.094 335.2

26 Tebing Tinggi 32 Kuala Tanjung 1 0.019 0.063 192.3 26 Tebing Tinggi 32 Kuala Tanjung 2 0.019 0.063 192.3 41 G. Para 26 Tebing Tinggi 2 0.00078 0.00223 308.4 27 Perbaungan 28 Sei Rotan 1 0.028 0.095 167.5

29 Kim 28 Sei Rotan 1 0.006 0.027 335.2

29 Kim 28 Sei Rotan 2 0.006 0.027 335.2

30 Denai 28 Sei Rotan 1 0.003 0.015 167.5 28 Sei Rotan 31 T. Morawa & K. Namu 1 0.002 0.01 335.2 30 Denai 31 T. Morawa & K. Namu 1 0.003 0.014 335.2

32 Kuala Tanjung 33 Kisaran 1 0.03 0.1 167.5 32 Kuala Tanjung 33 Kisaran 2 0.03 0.1 167.5 33 Kisaran 34 Aek Kanopan 1 0.0467 0.1341 167.5 33 Kisaran 35 R. Prapat & G. Tua 1 0.053 0.178 167.5 34 Aek Kanopan 35 R. Prapat & G. Tua 1 0.0256 0.0837 167.5 35 R. Prapat & G. Tua 36 P. Sidempuan 1 0.066 0.218 167.5 35 R. Prapat & G. Tua 36 P. Sidempuan 2 0.066 0.218 167.5 36 P. Sidempuan 37 Martabe 1 0.0296 0.09997 167.5 36 P. Sidempuan 37 Martabe 2 0.0296 0.09997 167.5 38 Sibolga 37 Martabe 1 0.0074 0.025 167.5 38 Sibolga 37 Martabe 2 0.0074 0.025 167.5 38 Sibolga 39 Sipan Sihaporas 1 0.006 0.021 167.5 38 Sibolga 39 Sipan Sihaporas 2 0.006 0.021 167.5 38 Sibolga 40 Labuhan Angin 1 0.01 0.049 335.2 38 Sibolga 40 Labuhan Angin 2 0.01 0.049 335.2

DATA CIRCUIT BREAKER GI PANGKALAN SUSU

* Manufacture,s AREVA. * Type GL314X.

* Temperature C lass - 20 .... + 50 Deg, C, * Standard IEC – 6227.100. ( 2008,04 )

* Rated Voltage 300 KV.

* Rated frequency 50 Hz.

* Rated Insulation Level.

Lightning impulse withstand Voltage 1050 KV. Switching impulse withstand Voltage KV. * Rated peak short circuit Current 40 KA -3 Sec. * Rated nominal Current 3150 A. * Rated Break Time 0,03 Sec. * Rated Control Voltage 110 Volt DC. * Rated Voltage for Aux Circuit 220 Volt AC. * Rated Filling Absolute Pressure for Interruption SF6 0,85 Mpa.

* Rated Filling Relative Pressure at 20 Deg C. 0,75 Mpa. * Rated Operating Sequence 0 – 0. 3 Sec – CO-3m-CO.

* Rated Line Charging Breaking Current 200 A.

* Weight

Total mass of Gas 21,4 Kg. Total mass of CB. 3.195 Kg.

CONDUCTOR AND STEEL WIRE GI PANGKALAN SUSU  275 KV SWICHTYARD CONDUCTOR .

* Manufactures PT. VOKSEL ELECTRIC Tbk. * Standard IEC. 61089 , SPLN 41 – 6 ,1981. * Type of Conductor AAC. / Stranded. * Conductor Size 1000 mm2 * Number Conductor per Phase 2. N. * Nominal Current Ratting 3000 A. * Spacing between sub conductor 0,2 m. * Spacing between phase conductor 5 m. * Span length of busbar ( max ) 43 m. * Elastic elongation coefficient 5,500 kg /mm2. * Weight per meter 2,784 kg.

 275 KV TRANSMISSION CONDUCTOR .

* Manufactures PT. VOKSEL ELECTRIC Tbk. * Standard IEC. 61089 , SPLN 41 – 6 ,1981. * Type of Conductor DOUBLE ZEBRA ./ ACSR. * Conductor Size 435/55 mm2. * Number Conductor per Phase 2 N. * Nominal Current Ratting 1700 A.

* Spacing between sub conductor / phase. 0,2 m. * Length Transmision ( P. SUSU – BINJAI. ) 69,9 km. * Spacing between phase conductor 5 m. * Span length of Tower ( max ). 350 m. * Elastic elongation coefficient 5,500 kg /mm2. * Weight per meter 2,784 kg. * Total number Tower 219 Towers.

GENERATOR. GENERATOR. 1.

 Manufacture,s BEIJING BEIZIONG STEAM TURBINE GENERATOR Ltd.

 Rated Power 220 MW.  Rated Power Factor 0,85.  Rated Voltage 15.75 KV.  Rated Current 9487 A.  Rated Excitation Voltage 472 V.  Rated Excitation Current 1.845 A.  Rated Frequency 50 Hz.  Rated Speed 3000 Rpm.  Efficiency 98,654 %.  Critical speed min. 1397 Rpm.  Critical speed max 3810 Rpm.  Flywheel moment of Rotor 23 T.m2.  Short circuit Ratio 0,48.

 Static Overload Capability 1,61  Insulation Class F ( B – class for checked ).  Mode of Connection for Stator winding Y-Y.  Number of Phase 3 Phase.  Number of Stator winding terminal 6.  THE PARAMETER OF GENERATOR.

Reactances and the Time Constants.

Direct – axis sub – transient reactance X”d. ( unsaturated value ) 15,63 %

Direct – axis transient reactance X’d. ( unsaturated value ) 26,7 %

Direct – axis synchronous reactance Xd. ( unsaturated value ) 215,47 %

Negative phase – squence reactance. X2 19,07 %

Zero phase – squence reactance. X0 8,68 % Stator leakage reactance Xe 13,13 %

Rotor leakage reactance Xf 14,55 %

Rotor winding inductance L 1,13 H.

Rotor winding time constant when stator winding in open circuit .

- Td0 6,547 s. - Rotor winding time constant when stator winding in three- phase

Short – circuit ( Td 3 ) 0,8113 s. - Rotor winding time constant when stator winding in two phase two phase

- Short circuit ( Td 2 ) 1,28 s. - winding time constant when stator winding in single phase short circuit

- Sub transient periodic component time constant when stator in three phase , two phase, single phase short circuit. ( Td “ ) 0,101 s. - Stator winding current aperiodic component time constant in single

phase short circuit ( Td 1 ) 0,24 s.

- Stator winding current aperiodic component time constant in three phase short circuit ( Td 3 ) 0,29 s.

- Active conductor number in each slot of stator 2.

- Series turn number in each phase of stator 9.

- Turn number of stator 27.

- Pole number of Rotor 2.

GENERATOR. 2.  Manufacture,s BEIJING BEIZIONG STEAM TURBINE GENERATOR Ltd.  Rated Power 220 MW.  Rated Power Factor 0,85.  Rated Voltage 15.75 KV.  Rated Current 9487 A.  Rated Excitation Voltage 472 V.  Rated Excitation Current 1.845 A.  Rated Frequency 50 Hz.  Rated Speed 3000 Rpm.  Efficiency 98,654 %.  Critical speed min. 1397 Rpm.  Critical speed max 3810

Rpm.

 Flywheel moment of Rotor 23 T.m2.  Short circuit Ratio 0,48.

 Static Overload Capability 1,61  Insulation Class F ( B – class for checked ).  Mode of Connection for Stator winding Y-Y.  Number of Phase 3 Phase.  Number of Stator winding terminal 6.  THE PARAMETER OF GENERATOR.

Reactances and the Time Constants.

Direct – axis sub – transient reactance X”d. ( unsaturated value ) 15,63 %

Direct – axis transient reactance X’d. ( unsaturated value ) 26,7 %

Direct – axis synchronous reactance Xd. ( unsaturated value ) 215,47 %

Negative phase – squence reactance. X2 19,07 % Zero phase – squence reactance. X0 8,68 % Stator leakage reactance Xe 13,13 % Rotor leakage reactance Xf 14,55 % Rotor winding inductance L 1,13 H. Rotor winding time constant when stator winding in open circuit .

- Td0 6,547 s. - Rotor winding time constant when stator winding in three- phase

Short – circuit ( Td 3 ) 0,8113 s. - Rotor winding time constant when stator winding in two phase two phase

- Short circuit ( Td 2 ) 1,28 s. - winding time constant when stator winding in single phase short circuit

Td1 1,47 s. - Sub transient periodic component time constant when stator in three

phase , two phase, single phase short circuit. ( Td “ ) 0,101 s. - Stator winding current aperiodic component time constant in single

- Stator winding current aperiodic component time constant in three phase short circuit ( Td 3 ) 0,29 s.

- Active conductor number in each slot of stator 2.

- Series turn number in each phase of stator 9.

Turn number of stator 27.

- Pole number of Rotor 2.

TRANSFORMER GENERATOR TRANSFORMER 1.  Manufacturer SANDONG POWER EQUIPMENT Co. Ltd China.  Type of cooloing system ODAF.  Rating Load Capacity 260 MVA.  Vector Group YN, d11.  Class of rating  Overload capability 20 ( 480 min ) %.  High Rated Voltage side 300 KV  Low Voltage side 15,75 KV.  Tap Changer Off Load. - Tap 1 315 KV. - Tap 2 307,50 KV. - Tap 3 300 KV. - Tap 4 292,50 KV. - Tap 5 285 KV.  Frequency 50 Hz.  Impedan Voltage 14 %.  Insulation Class

 Insulation level:

High Voltage side 1175 KV. BIL. Bushing high side 510 KV. BIL. Low Voltage side 185 KV. Bushing Low side 105 KV. Cooling Equipment System :

Number of cooler tank 5 set. Motor pump circulator 2 fans per 1 pump. Motor rated voltage 220 volt. Sound level < 80 Db. OIL COOLER:

Oil quantity leter. Manufacturer CHINA. CT Bushing Type : Manufacturer CHINA. CT Ratio 2000 / 1 A. Quantity 3. Burden 40 VA. Accuracy 0,5. Power factor 0,85 No Load loss 553,75. KW. Temperature rise limit.

Winding 65 C. Deg. Oil 55 C. Deg.

GENERATOR TRANSFORMER 2.

 Manufacturer SANDONG POWER EQUIPMENT Co Ltd China.

 Type of cooloing system ODAF.

 Rating Load Capacity 260 MVA.  Vector Group YN, d11.  Class of rating

 Overload capability 20 ( 480 min ) %.  High Rated Voltage 300 KV  Low Voltage side 15,75 KV.  Tap Changer Off Load.

-Tap 1 315 KV. -Tap 2 307,50 KV. -Tap 3 300 KV. -Tap 4 292,50 KV. - Tap 5 285 KV  Frequency 50 Hz.  Impedan Voltage 14 %.  Insulation Class  Insulation level:

High Voltage side 1175 KV. BIL. Bushing high side 510 KV. BIL. Low Voltage side 185 KV. Bushing Low side 105 KV.

Cooling Equipment System :

Number of cooler tank 5 set. Motor pump circulator 2 fans per 1 pump. Motor rated voltage 220 volt. Sound level < 80 Db. OIL COOLER:

Oil quantity leter. Manufacturer CHINA. CT Bushing Type : Manufacturer CHINA. CT Ratio 2000 / 1 A. Quantity 3. Burden 40 VA. Accuracy 0,5. Power factor 0,85 No Load loss 553,75. KW. Temperature rise limit.

Winding 65 C. Deg. Oil 55 C. Deg.

STATION SERVICE TRANSFORMER .

 Manufacturer TBEA China.  Type of cooloing system OFAF.  Rating Load Capacity 31,5 / 20 – 20 MVA.  Vector Group Double winding, YN,yn0, yn0.  Class of rating

 Overload capability 20 ( 480 min ) %.  High Rated Voltage side 275 KV.  Low Voltage side 6,3 KV.  Tap Changer On Load.

- Tap 1 302.50 KV. - Tap 2 299.06 KV. - Tap 3 295.62 KV. - Tap 4 292.19 KV. - Tap 5 288.75 KV. - Tap 6 285.31 KV. - Tap 7 281.88 KV. - Tap 8 278.44 KV. - Tap 9 275.00 KV. - Tap 10 271.56 KV. - Tap 11 268.56 KV. - Tap 12 264.69 KV. - Tap 13 261.25 KV.  Frequency 50 Hz.  Impedan Voltage 16 %.  Insulation Class  Insulation level:

High Voltage side 1050 KV. BIL. Bushing high side 1050 KV. BIL. Low Voltage side 125 KV.

Bushing Low side 200 KV Cooling Equipment System :

Number of cooler tank 4 set. Motor pump circulator 2 fans per 1 pump. Motor rated voltage 220 volt. Sound level < 80 Db. OIL COOLER:

Oil quantity leter. Manufacturer CHINA. CT Bushing Type : Manufacturer CHINA. CT Ratio 2000 / 1 A. Quantity 3. Burden 40 VA. Accuracy 0,5. Power factor 0,85 No Load loss < 0,8 %. KW. Temperature rise limit.

Winding 65 C. Deg. Oil 55 C. Deg.

LAMPIRAN 3

One-Line Diagram - OLV1 (Load Flow Analysis)

Bus 5 6,3 kV Bus 6 6,3 kV Bus 10 275 kV Bus 11 275 kV Bus 15 275 kV Bus 13 275 kV Bus 12 275 kV Bus 7 275 kV Bus 8 275 kV Bus 3 275 kV Bus 1 15,75 kV Bus 9 275 kV Bus 14 275 kV Bus 4 275 kV Bus 2 15,75 kV Generator 2 220 MW Trafo2 260 MVA Cable 2 Generator 1 220 MW Trafo1 260 MVA Cable 1 Trafo 3 20/20/20 MVA Bus 5 6,3 kV Bus 6 6,3 kV Bus 14 275 kV Bus 15 275 kV Bus 9 275 kV Bus 11 275 kV Bus 8 275 kV Bus 10 275 kV Bus 12 275 kV Bus 7 275 kV Bus 3 275 kV Bus 4 275 kV Bus 1 15,75 kV Bus 2 15,75 kV Generator 2 220 MW Generator 1 220 MW Trafo2 260 MVA Trafo1 260 MVA Trafo 3 20/20/20 MVA Cable 2 Bus 13 275 kV Cable 1

KEMENITERIAN

PENDTDIKAN

DAN KEBUDAYAAN

T]NIVERSITAS SUMATERA

UTARA

FAKULTAS

TEKI\IK

Jalan Almamater Kampus USU Medan 20155 Telepon (061) 8211236, 8213250 Fax. (061 ₎ 8213250 Website: hftp://ft.usu.ac.id, e-mail: ft.usu@usu.ac.id

Nomor

Lamp.

IIal

,

_93,trIN.

5.2. 1.4./KRK-20 1 4

: Ir.{ohon Fasilitas Data

Medan,

Nama

NIM

:

Asri Akbar

:

090402103

Sedang melaksanakan penelitian dengan Judul Tugas Aldrir :

" ANALISIS PERHITI.INGAN RUGI _ RUGI DAYA PADA GARDU INDLiK PLTU 2

STIMUT

PANGIL{LAN

SUSU DENGAN MENGGTINAKAN SOFT\IARE E,TAP

7.5.0 *

Se.hubungan durgan hal tergebut diatas, kami sangat mengharapkaa banfuan Saudara

untnk &pat mernberikan kesempatan kepada mahasiswa tersebut berupa fasilitas dalam pengumpulan dan mempelajaridata sehubungan dengan Tugas Akhir mahasiswa tersebut di GI ( Gardu _{krduk )} PLTU 2 Sumut Pangkalan Susu.

Demikian karni s.aeryaitan atas perhatian dan kerja sama yang baik diucapkan terima kasih.

.Dskan

.DR}IK Ir{I]IIAMMAD TURMUZI, IvIS

tl ?

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_?rlti

Yth.

Sdr:

General Manager

--

Jl.Kasuari No.E

Medan

Dengan hormaq bersama

ini

kami

sampaikan kepada Saudala bahwa mahasiswa Departemen Teknik Elekffo Fakultas Teknik USU Medan :