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Tim Assessment GIS RJKBTim Assessment GIS RJKB
GIS ASSESSMENTGIS ASSESSMENT
Bandung, 8 s/d 9 Juli 2008Bandung, 8 s/d 9 Juli 2008
Tim Assessment GIS RJKB
METODE ASSESSMENT GIS
Tim Assessment GIS RJKBTim Assessment GIS RJKB
Pengukuran Kualitas Gas Pengukuran Kualitas Gas SF6SF6
• PURITYPURITY– Untuk mengetahui persentase SF6 di dalam kompartemen.Untuk mengetahui persentase SF6 di dalam kompartemen.
• Standard: IEC 376 (> 97%)Standard: IEC 376 (> 97%)
• Purity ideal: 99,90%Purity ideal: 99,90%
• DEW POINTDEW POINT– Mengukur temperatur pada saat terjadi pengembunan gas Mengukur temperatur pada saat terjadi pengembunan gas
SF6 dalam kompartemen dalam satuan SF6 dalam kompartemen dalam satuan ooC.C.
• DECOMPOSITION PRODUCTDECOMPOSITION PRODUCT– untuk mengetahui untuk mengetahui nilai / besaran decomposition dari gas nilai / besaran decomposition dari gas
SF6 dalam ppmSF6 dalam ppm
• Standard : Standard : CIGRÉ “SF6 Recycling Guide” (by CIGRÉ 23.10 TASK FORCE 01, May 1997
• Moisture ContentMoisture Content– Mengukur tingkat kelembaban gas SF6 dalam Mengukur tingkat kelembaban gas SF6 dalam
kompartemen dalam satuan ppmvkompartemen dalam satuan ppmv
Tim Assessment GIS RJKBTim Assessment GIS RJKB
Permissible moisture content Permissible moisture content limitslimits
Gas Gas compartment compartment Switchgear Switchgear
rated voltagerated voltage
Filling pressure Filling pressure (gauge at 20 (gauge at 20 ooC C
bar)bar)
After Installation and After Installation and MaintenanceMaintenance
In ServiceIn Service
Dew Point Dew Point ooC C (2)(2)
Water Content Water Content
ppmppmvv (1) (1)Dew Point Dew Point ooC (2)C (2) Water Content Water Content
ppmppmvv (1) (1)
Circuit BreakerCircuit Breaker
( all voltage )( all voltage )6.26.2 -1515 230230 -1010 350350
On-load SwitchOn-load Switch
( up to 170 kV )( up to 170 kV )3.83.8 -1515 350350 -1010 530530
Other SwitchgearOther Switchgear
( up to 170 kV )( up to 170 kV )3.83.8 -1010 530530 -55 840840
Other SwitchgearOther Switchgear
( 245 kV )( 245 kV )5.55.5 - 10- 10 390390 -55 610610
GEC Alsthom
1. ppmv = water content in “parts per million” referred to volume (values referred to mass or weight in ppmg can be converted with a factor of 8.1)
2. The dew point is valid for the operating pressure range between filling pressure and minimum rating pressure
Tim Assessment GIS RJKBTim Assessment GIS RJKB
Spesifikasi Gas SF6 Baru
ComponentComponent ASTM 2472 DASTM 2472 DIEC 376IEC 376 ASG ASG
TYPICALTYPICAL
Sulfurhexafluoride (by wt.)Sulfurhexafluoride (by wt.) 99.8%99.8% 99.8%99.8% 99.9%99.9%
Water (vol. %)Water (vol. %) 8 ppmv8 ppmv 15 ppmv15 ppmv 5 ppmv5 ppmv
Dew PointDew Point -62°C-62°C -40°C-40°C -65°C-65°C
Hydrolyzable Fluorides (HF)Hydrolyzable Fluorides (HF) 0.3 ppmw0.3 ppmw 1.0 1.0
ppmwppmw 0.3 0.3 ppmwppmw
Air (wt. %)Air (wt. %) 500 ppmw500 ppmw 500 500
ppmwppmw 200 200 ppmwppmw
Carbon Tetrafluoride (CF4) (wt. Carbon Tetrafluoride (CF4) (wt. %)%) 500 ppmw500 ppmw 500 500
ppmwppmw 200 200 ppmwppmw
ALSTHOM
> 99.0 %> 99.0 %
Tim Assessment GIS RJKBTim Assessment GIS RJKB
1.1. GIS KetapangGIS Ketapang ((HitachiHitachi))
2.2. GIS Gedong Pola GIS Gedong Pola ((AseaAsea))
3.3. GIS SenayanGIS Senayan ((HitachiHitachi) )
4.4. GIS Karet BaruGIS Karet Baru ((HitachiHitachi))
5.5. GIS Mampang LamaGIS Mampang Lama ((HitachiHitachi))
6.6. GIS Kebon SirihGIS Kebon Sirih ((Merlin GerlinMerlin Gerlin))
7.7. GIS Kebon JerukGIS Kebon Jeruk ((HitachiHitachi))
8.8. GIS Salak LamaGIS Salak Lama ((ABB/GanzABB/Ganz))
9.9. GIS PulogadungGIS Pulogadung ((AseaAsea))
10.10.GIS SetiabudiGIS Setiabudi ((AlsthomAlsthom))
11.11.GIS CawangGIS Cawang ((HitachiHitachi))
Total : 11 GISTotal : 11 GIS
GIS Assessment (2006 – GIS Assessment (2006 – 2008)2008)
PARTIAL DISCHARGEPARTIAL DISCHARGE
Tim Assessment GIS RJKB
Discharge di GIS
Types of Discharge Discharge Characteristic
Power arc:Current interruption, in-service fault
3-100 kA, 50-150 ms, 105-107 J, 20000 K (19727 ºC)
Spark:Capacitive discharge, fault during testing, disconnector switching
High instantaneous current, µs duration, 10-1-102 J
Partial discharge:Stress enhancement, electrically floating component, free conducting particle
10-103 pC, 10-6-10-3 J per pulse, 102-103 MHz
Tim Assessment GIS RJKB
Partial Discharge
Peluahan muatan setempat karena adanya penguatan medan listrik setempat
Menghasilkan: Aliran arus listrik/perubahan tegangan Gelombang elektromagnetik Gelombang suara Gelombang panas Gelombang cahaya
Tim Assessment GIS RJKB
Partial Discharge
Berakibat breakdown jika: Kuat medan listrik SF6: 8,9 kV/mm Breakdown needs
Starting electron Ionization Feedback mechanism
Tim Assessment GIS RJKB
Dasar Diagnostic Partial Discharge
Metoda diagnosa memanfaatkan sifat gelombang yang ditimbulkan PD, misal: Gelombang elektromagnetik: merambat
keluar melalui bagian non-metal (spacer, gas rupture disc)
Gelombang suara merambat: keluar dari bagian metal
Tiap defect menimbulkan pola tersendiri
Tim Assessment GIS RJKB
Dasar Diagnostic Partial Discharge
Perlu diingat: Gelombang selalu mengalami peredaman,
pemantulan dan perambatan Semakin jauh dari pusat, semakin sedikit
energi yang tertangkap Interferensi dari luar selalu ada (pemancar
TV, radio, telepon selular, radar, baterei, dll)
Tim Assessment GIS RJKB
Diagnosa PD yang Populer
IEC 60270 method: mendeteksi timbulnya aliran listrik sesaat [pC, nC]
Ultra High Frequency/Very High Frequency (UHF/VHF): mendeteksi timbulnya gelombang elektromagnetik [µV, mV]
Acoustic Emission/AE: mendeteksi timbulnya gelombang akustik/suara [µV, mV]
Am
plitu
de [d
Bm
]
Frequency [MHz]0 1000 2000
IEC
270
: 40
-400
kH
z
VHF:
up
to 3
00 M
Hz
UHF: above 300 MHz
300
Am
plitu
de [d
Bm
]
Frequency [MHz]0 1000 2000
IEC
270
: 40
-400
kH
z
VHF:
up
to 3
00 M
Hz
UHF: above 300 MHz
300
Tim Assessment GIS RJKBTim Assessment GIS RJKB
IEC 60270 – VHF/UHF – IEC 60270 – VHF/UHF – AEAE IEC 60270IEC 60270 VHF/UHFVHF/UHF AEAE
GIS service GIS service conditioncondition
Off-lineOff-line On-line, off-On-line, off-lineline
On-line, off-On-line, off-lineline
KalibratorKalibrator AdaAda Tidak adaTidak ada Tidak adaTidak adaPeredaman Peredaman noisenoise
BurukBuruk Sangat baikSangat baik BaikBaik
SensitivitasSensitivitas 10% atau 1 pC10% atau 1 pC 5 pC5 pC 5 pC5 pCJangkauan Jangkauan pengukuranpengukuran
LuasLuas SempitSempit
Posisi sensorPosisi sensor Non-metalNon-metal MetalMetalBesaran PDBesaran PD PRPDPRPD Frequency Frequency
spectrum, spectrum, PRPDPRPD
Individual Individual pulses, pulses, spectrum, spectrum, PRPDPRPD
Tim Assessment GIS RJKB
Analisa PD
Besaran amplitudo pC/nC tidak dapat disetarakan dengan μV/mV
Yang perlu diperhatikan adalah Pertumbuhan dan intensitas Jenis sumber PD (tiap sumber tingkat
resikonya berlainan)
Tim Assessment GIS RJKBTim Assessment GIS RJKB
Diagnostik PD VHF/UHFDiagnostik PD VHF/UHF
Average Background Amplitude
-100
-95
-90
-85
-80
-75
600 712.5 825 937.5 1050 1162.5 1275 1387.5 1500
Frequency
Am
plit
ud
e
Cellular phone
TV Broadcast
Radar
Cellular phone
TV Broadcast
Radar
Average Signal Amplitude
-100
-95
-90
-85
-80
-75
600 712.5 825 937.5 1050 1162.5 1275 1387.5 1500
Frequency
Am
plit
ud
eAmplitude Background
Average Signal Amplitude
-100
-95
-90
-85
-80
-75
600 712.5 825 937.5 1050 1162.5 1275 1387.5 1500
Frequency
Am
plit
ud
e
PD ACTIVITIESPD ACTIVITIES
Di domain frekuensi
Tim Assessment GIS RJKBTim Assessment GIS RJKB
Diagnostik PD Diagnostik PD AEAE• Hasil pengukuran ada 2 tipe:Hasil pengukuran ada 2 tipe:
– ContinuousContinuous•Melihat nilai RMSMelihat nilai RMS
•Periode nilai puncakPeriode nilai puncak
•Komponen f dan 2fKomponen f dan 2f
– PulsaPulsa
Tipe Continuous Tipe Pulsa
Tim Assessment GIS RJKBTim Assessment GIS RJKB
Contoh Pola Contoh Pola PDPD
Floating electrode
Free moving particle
Tim Assessment GIS RJKBTim Assessment GIS RJKB
Reclaiming Gas SF6
Tim Assessment GIS RJKB
Reklamasi gas SF6
Reklamasi gas SF6 dilakukan berdasarkan :1. Hasil pengukuran gas SF6 dengan nilai Decomposition Product tinggi.
2. Hasil pengukuran gas SF6 dengan nilai Dew Point rendah.(< -10oC)3. Hasil pengukuran gas SF6 dengan nilai Moisture Content tinggi.4. Efficiency Drive Project5. Pemanasan global
Tim Assessment GIS RJKBTim Assessment GIS RJKB
Skema Reklamasi Gas SF6 Secara Umum
Tim Assessment GIS RJKBTim Assessment GIS RJKB
NoNo
Jenis gas yang Jenis gas yang dapat diserap dapat diserap
(absorb) oleh Dilo (absorb) oleh Dilo Portable pre-filter Portable pre-filter
unitunit
KeteranganKeterangan
11 HFHF Hydrogen fluorideHydrogen fluoride
22 SOSO22 Sulphur dioxideSulphur dioxide
33 SOFSOF22 Thionyl flourideThionyl flouride
44 SOSO22FF22 Sulfury flourideSulfury flouride
55 SFSF44 Sulfur tetraflourideSulfur tetraflouride
Particle Filter
Dry Filter
Portable Pre - Filter
Tim Assessment GIS RJKBTim Assessment GIS RJKB
REKLAMASI DENGAN 3 CYCLES
99.4 99.8 99.6 99.6
-35.3 -43.5 -43.9 -42.6
215.5
85.4 81.1 94.1
767 767
367
767
SF6 Vol 99.4 99.8 99.6 99.6
Moisture / °C DP -35.3 -43.5 -43.9 -42.6
Moisture / ppmv 215.5 85.4 81.1 94.1
Conzentration of DP 767 767 767 367
PRA ONE_CYCLE TWO_CYCLES 3RD_CYCLES
REKLAMASI DENGAN 2 CYCLES
99.6 99.5
-40.7 -45.1
117.770.6
933
567
SF6 Vol 99.6 99.5
Moisture / °C DP -40.7 -45.1
Moisture / ppmv 117.7 70.6
Conzentration of DP 933 567
ONE_CYCLE 2ND_CYCLES
REKLAMASI DENGAN 2 CYCLES
99.4 99.7
-38.5 -45.5
151.3
67.5
667
300
SF6 Vol 99.4 99.7
Moisture / °C DP -38.5 -45.5
Moisture / ppmv 151.3 67.5
Conzentration of DP 667 300
PRA 2ND_CYCLES
Data Proses Reklamasi gas SF6 GIS Gedung PolaS
tora
ge T
an
k 1
Sto
rag
e T
an
k 2
Sto
rag
e T
an
k 3
Tim Assessment GIS RJKBTim Assessment GIS RJKB
UPT : JAKARTA PUSATLOKASI : GIS. GEDUNG POLA 150KV
Merk GIS : ASEAMerk/Type Alat Uji : - Teims-Portable PM 2.0
- DILO/3-207-R002
[ °C ] [PPMv]
01. 12-07-2006 CB R,S,T 99.4 > 97.0 -43 70 < -10 ° & <350 1,233 < 1,000 6.8 30 Contaminations!!
02. 12-07-2006 DS REL R,S,T 98.8 > 97.0 -16 1,159 < -5 ° & <840 1,233 < 1,000 5.6 31 Contaminations!!
03. 12-07-2006 DS LINE R,S,T 98.8 > 97.0 -15 1,271 < -5 ° & <840 1,200 < 1,000 5.6 28 Contaminations!!
04. 12-07-2006 PT R,S,T 99.0 > 97.0 -15 1,271 < -5 ° & <840 1,733 < 1,000 5.6 34 Contaminations!!
05. 13-07-2006 CB R,S,T 99.1 > 97.0 -44 62 < -10 ° & <350 1,467 < 1,000 6.5 34 Contaminations!!
06. 13-07-2006 DS REL R,S,T 99.2 > 97.0 -22 654 < -5 ° & <840 1,567 < 1,000 5.9 33 Contaminations!!
07. 13-07-2006 DS LINE R,S,T 99.5 > 97.0 -22 654 < -5 ° & <840 1,600 < 1,000 5.8 30 Contaminations!!
08. 13-07-2006 PT R,S,T 99.2 > 97.0 -17 1,055 < -5 ° & <840 1,800 < 1,000 5.8 33 Contaminations!!
09. 11-07-2006 CB R,S,T 99.2 > 97.0 -44 62 < -10 ° & <350 633 < 1,000 6.8 30 Normal
10. 11-07-2006 DS REL R,S,T 98.8 > 97.0 -24 538 < -5 ° & <840 533 < 1,000 5.6 35 Normal
11. 11-07-2006 SEALING END R,S,T 98.8 > 97.0 -29 324 < -5 ° & <840 1,567 < 1,000 5.6 29 Contaminations!!
12. 11-07-2006 SECTION DS R,S,T 99.1 > 97.0 -24 538 < -10 ° & <530 1,633 < 1,000 5.6 30 Contaminations!!
13. 12-07-2006 CB R,S,T 98.8 > 97.0 -44 62 < -10 ° & <350 500 < 1,000 6.7 27 Normal
14. 12-07-2006 DS REL R,S,T 98.7 > 97.0 -23 593 < -5 ° & <840 1,567 < 1,000 5.6 33 Contaminations!!
15. 12-07-2006 SEALING END R,S,T 98.7 > 97.0 -28 359 < -5 ° & <840 2,067 < 1,000 5.6 32 Contaminations!!
16. 04-07-2006 CB R,S,T 99,5 > 97.0 -38 124 < -10 ° & <350 1,500 < 1,000 6.6 24 Contaminations!!
17. 05-07-2006 DS REL R,S,T 98.9 > 97.0 -23 593 < -5 ° & <840 2,400 < 1,000 5.7 28 Contaminations!!
18. 04-07-2006 SEALING END R,S,T 99,3 > 97.0 -17 1,055 < -5 ° & <840 1,833 < 1,000 5.7 26 Contaminations!!
19. 05-07-2006 PT R,S,T 98.9 > 97.0 -17 1,055 < -5 ° & <840 2,467 < 1,000 5.7 34 Contaminations!!
20. 13-07-2006 CB R,S,T 99,3 > 97.0 -46 49 < -10 ° & <350 1,267 < 1,000 6.7 30 Contaminations!!
21. 13-07-2006 DS REL R,S,T 99.0 > 97.0 -20 794 < -5 ° & <840 1,667 < 1,000 5.6 30 Contaminations!!
22. 13-07-2006 DS LINE R,S,T 99.1 > 97.0 -17 1,055 < -5 ° & <840 1,600 < 1,000 5.6 29 Contaminations!!
23. 13-07-2006 PT R,S,T 99.1 > 97.0 -19 874 < -5 ° & <840 1,667 < 1,000 5.6 33 Contaminations!!
TRAFO 3
SPARE
PENGUJIAN KUALITAS GAS SF-6
DECOMPOSITION PRODUCTS
[PPM]
NOTANGGAL
PENGUJIANTEMPAT
(BAY)COMPARTMENT
STANDARD CIGRÉ*)
DEW POINT
PHASAHASIL UJI
PURITY ( % )
HASILSTANDAR
IEC 326
GAMBIR BARU 1
GAMBIR BARU 2
TRAFO 1
TRAFO 2
KET.PRESSURE
GAUGE [ BAR ]
AMBIENT TEMP. [ °C ]STANDARD
ALSTHOM
PT.PLN (PERSERO) PENYALURAN DAN PUSAT PENGATURAN BEBANREGION JAKARTA DAN BANTEN
Data Pengukuran gas SF6 GIS Gedung Pola sebelum reklamasi
Tim Assessment GIS RJKBTim Assessment GIS RJKB
GIS P3B JB - RJKBGIS P3B JB - RJKB
1.1. GIS. KetapangGIS. Ketapang (ASEA)(ASEA)
2.2. GIS. Gedung PolaGIS. Gedung Pola (ASEA)(ASEA)
3.3. GIS. Salak LamaGIS. Salak Lama (ABB / Ganz)(ABB / Ganz)
SFSF66 Reclaiming Reclaiming
• GIS. Ketapang used new GIS. Ketapang used new SFSF66
• GIS. Gedung PolaGIS. Gedung Pola used used reclaimed reclaimed SFSF66 from GIS Ketapang from GIS Ketapang
• GIS. Salak LamaGIS. Salak Lama used used reclaimed reclaimed SFSF66 from GIS. Gedung Pola from GIS. Gedung Pola
• SFSF66 from GIS. Salak Lama hasn’t been reclaimed yet from GIS. Salak Lama hasn’t been reclaimed yet
Note :
In 2007, we bought 140 bottles (± 5610 kG) SFSF66
Tim Assessment GIS RJKBTim Assessment GIS RJKB
Data Pengukuran gas SF6 GIS Gedung Pola setelah reklamasiUPT : JAKARTA PUSATLOKASI : GIS. GEDUNG POLA 150KV
Merk GIS : ASEAMerk/Type Alat Uji : - Teims-Portable PM 2.0
- RH Systems / 973-SF6
[ °C ] [PPMv]
01. 26-01-2008 CB R,S,T 99.9 > 97.0 -41.5 107.8 < -10 ° & <350 733 < 1,000 6.6 35 Normal
02. 26-01-2008 DS REL R,S,T 99.8 > 97.0 -34.8 227.1 < -5 ° & <840 1,233 < 1,000 5.7 35 Contaminations!!
03. 26-01-2008 DS LINE R,S,T 99.9 > 97.0 -27.1 508.6 < -5 ° & <840 733 < 1,000 5.7 36 Normal
04. 26-01-2008 PT R,S,T 99.2 > 97.0 -25.9 575.9 < -5 ° & <840 1,767 < 1,000 5.6 35 Contaminations!!
05. 27-01-2008 CB R,S,T 99.9 > 97.0 -47.3 54.2 < -10 ° & <350 600 < 1,000 6.6 33 Normal
06. 27-01-2008 DS REL R,S,T 99.6 > 97.0 -38.4 152.8 < -5 ° & <840 600 < 1,000 5.7 34 Normal
07. 27-01-2008 DS LINE R,S,T 99.3 > 97.0 -38.2 155.5 < -5 ° & <840 700 < 1,000 5.7 35 Normal
08. 27-01-2008 PT R,S,T 99.5 > 97.0 -33.9 250.8 < -5 ° & <840 767 < 1,000 5.6 33 Normal
09. 27-01-2008 CB R,S,T 99.3 > 97.0 -41.2 111.0 < -10 ° & <350 567 < 1,000 6.5 34 Normal
10. 27-01-2008 DS REL R,S,T 99.5 > 97.0 -27.8 472.9 < -5 ° & <840 967 < 1,000 5.6 34 Normal
11. 27-01-2008 SEALING END R,S,T 99.5 > 97.0 -35.7 206.1 < -5 ° & <840 2,067 < 1,000 5.6 31 Contaminations!!
12. 26-01-2008 SECTION DS R,S,T 99.2 > 97.0 -37.9 161.3 < -10 ° & <530 400 < 1,000 5.6 36 Normal
13. 26-01-2008 CB R,S,T 99.0 > 97.0 -41.2 111.0 < -10 ° & <350 467 < 1,000 6.6 38 Normal
14. 26-01-2008 DS REL R,S,T 99.6 > 97.0 -37.6 166.7 < -5 ° & <840 1,100 < 1,000 5.7 37 Contaminations!!
15. 26-01-2008 SEALING END R,S,T 99.3 > 97.0 -26.7 526.3 < -5 ° & <840 2,100 < 1,000 5.6 35 Contaminations!!
16. 27-01-2008 CB R,S,T 99.6 > 97.0 -45.2 69.8 < -10 ° & <350 467 < 1,000 6.6 36 Normal
17. 27-01-2008 DS REL R,S,T 99.5 > 97.0 -41 113.5 < -5 ° & <840 533 < 1,000 5.7 36 Normal
18. 27-01-2008 SEALING END R,S,T 99.7 > 97.0 -34.8 225.2 < -5 ° & <840 800 < 1,000 5.7 35 Normal
19. 27-01-2008 PT R,S,T 99.6 > 97.0 -32 305.6 < -5 ° & <840 933 < 1,000 5.6 35 Normal
20. 26-01-2008 CB R,S,T 99.8 > 97.0 -39.4 135.9 < -10 ° & <350 1,600 < 1,000 5.7 37 Contaminations!!
21. 27-01-2008 DS REL R,S,T 99.8 > 97.0 -23.5 724.9 < -5 ° & <840 1,667 < 1,000 5.6 37 Contaminations!!
22. 26-01-2008 DS LINE R,S,T 99.5 > 97.0 -21.8 860.1 < -5 ° & <840 1,633 < 1,000 5.7 37 Contaminations!!
23. 26-01-2008 PT R,S,T 99.5 > 97.0 -25.8 578.1 < -5 ° & <840 1,533 < 1,000 5.6 37 Contaminations!!
PENGUJIAN KUALITAS GAS SF-6
NOTANGGAL
PENGUJIANTEMPAT
(BAY)PHASA
PURITY ( % ) DEW POINTDECOMPOSITION
PRODUCTSPRESSURE
GAUGE ABSOLUTE
[ BAR ]
AMBIENT TEMP. [ °C ]
KET.COMPARTMENT
HASILSTANDAR
IEC 326
HASIL UJI STANDARD ALSTHOM
[PPM]STANDARD
CIGRÉ*)
GAMBIR BARU 1
GAMBIR BARU 2
TRAFO 1
TRAFO 2
TRAFO 3
SPARE
PT.PLN (PERSERO) PENYALURAN DAN PUSAT PENGATURAN BEBANREGION JAKARTA DAN BANTEN
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