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  • 7(.12/2*,7(.12/2*,-$'3(1-$'3(1

    -$5,1*$1'(7(.6,3(7,51$6,21$/

    'HSDUWHPHQ 7HNQLN (OHNWUR,QVWLWXW 7HNQRORJL %DQGXQJ

    -$18$5,

  • /,1*.8335(6(17$6,/,1*.8335(6(17$6,6,67(0-$5,1*$1'(7(.6,3(7,51$6,21$/-$'3(1WHNQRORJLNRQILJXUDVL OLQJNXQJDQ VLVWHP

    3(0$1)$$7$1'$7$-$'3(1ODQJVXQJ YV WDN ODQJVXQJ UHDOWLPH YVKLVWRULV

  • 'HILQLVL-$'3(1 PHUXSDNDQ VDWX VLVWHP GHWHNVLGDWD SHWLUXQWXN ZLOD\DK ,QGRQHVLD\DQJPHPSHUJXQDNDQ WHNQRORJL /3$76 *$, 86$'LSHUJXQDNDQ GL ,QGRQHVLD VHMDN WDKXQ

  • 0HOLSXWL SURVHV GHWHNVL VLJQDO SHWLU \DQJ PHPEDQWXPHQGHWHNVL NHPXQJNLQDQ VLJQDO GDWD SHWLUGL ORNDVL VHQVRU GL VHNLWDU .HSXODXDQ,QGRQHVLD

    SHPDWDQJDQ VLJQDO SHWLU PHQMDGL GDWD SHWLU\DQJ GLODNXNDQ GL ORNDVL 3XVDW 3HQJDQDOLVD&HQWUDO$QDO\VHU

    SHQJJXQDDQ GDWD SHWLU \DQJ GLKDVLONDQGLDWDV

  • %LGDQJ%LGDQJ ,OPX,OPX 7HNQRORJL7HNQRORJL\DQJ\DQJ GLSHUJXQDNDQGLSHUJXQDNDQ

    7HNQRORJL7HNQRORJL (OHNWURPDJQHWLN(OHNWURPDJQHWLN 72$72$ 7HNQRORJL7HNQRORJL -DULQJDQ-DULQJDQ .RPXQLNDVL.RPXQLNDVL 'DWD'DWD 7HNQRORJL7HNQRORJL 6LVWHP6LVWHP 5HDO7LPH5HDO7LPH 7HNQRORJL7HNQRORJL 5HND\DVD5HND\DVD 3HUDQJNDW3HUDQJNDW /XQDN/XQDN 7HNQRORJL7HNQRORJL 2UJDQLVDVL2UJDQLVDVL .RPSXWHU.RPSXWHU 7HNQRORJL7HNQRORJL *OREDO3RVLWLRQLQJ6\VWHP*36*OREDO3RVLWLRQLQJ6\VWHP*36

  • MANFAAT - JADPEN :

    LangsungLangsung :: EARLY WARNING SYSTEMEARLY WARNING SYSTEM REALREAL--TIME MONITORINGTIME MONITORING

    TidakTidak LangsungLangsung :: PERENCANAAN PROTEKSIPERENCANAAN PROTEKSI ANALISA KEJADIAN PETIRANALISA KEJADIAN PETIR

    3URVHV'HWHNVL /DQJVXQJ 3HQJDPDQDQ 3HNHUMD%DKDQ

    %HUEDKD\D 3HQJDPDQDQ 6XSSO\ %DUDQJ

    /LVWULN 3HUHQFDQDDQ HPHUJHQVL

  • strokeEM Wav

    e

    Receiver

    time - distance

    PENYEBARAN GELOMBANG ELEKTROMAGNETIKPENYEBARAN GELOMBANG ELEKTROMAGNETIKPADA SATU RECEIVERPADA SATU RECEIVER

    CARA KERJA JADPENCARA KERJA JADPEN

  • To locate the exact time and position To locate the exact time and position of lightningof lightning

    t1 , d1

    t2 , d2

    t3 , d3RR1

    RR2

    RR3

  • KONFIGURASI UMUM JADPEN KONFIGURASI UMUM JADPEN

    SATELIT

    Bengkulu

    Sukabumi

    Yogyakarta

    P. Karimun JawaPekalongan

    Denpasar

    Banjarmasin

    VSAT HUBCipeteJakarta

    Switch Prosesor

    NETMON ARCHIVE

    TIS

    NETMON

    T I S

    : NETWORK MONITOR

    : TELECOMMUNICATION INTERFACE SYSTEM

    P. Pabelokan

    CENTRAL ANALYZER

    PELANGGAN

  • 326,6,5(027(5(&(,9(5

    *) Sebelum 2001*) Sebelum 2001

  • 326,6,5(027(5(&(,9(5

    **) Sesudah 2001**) Sesudah 2001

  • /RFDWLRQ$FFXUDF\3URMHFWLRQ

  • Perangkat Keras Yang dipergunakanpada JADPEN

    Perangkat Keras Yang dipergunakanpada JADPEN

    DI SISI PELANGGANDI SISI PST. ANALISIS

    DI SISI RECEIVER

  • 3HUDQJNDW /XQDN GL ORNDVL 5HFHLYHUMerupakan perangkat lunak pengumpul signal petir (GPSS,

    Stroke),Bersifat dumb terminal. Signal yang ditangkap langsung

    dikirm ke Central Analyser

    3HUDQJNDW /XQDN GL ORNDVL 3HODQJJDQ perangkat lunak Advanced Lightning Workstation System

    (ALWS) visualisasi kejadian petir perangkat lunak Program Packet (Propac) - statistik

    PerangkatPerangkat LunakLunak Yang Yang DipergunakanDipergunakanJADPEN (1)JADPEN (1)

  • PerangkatPerangkat LunakLunak Yang Yang DipergunakanDipergunakanJADPEN (2)JADPEN (2)

    6HMXPODK 3HUDQJNDW /XQDN 3XVDW 3HQJDQDOLVDVHEDJDL EHULNXW

    R IP : R ece iver In te rface P rocessor, m en an g kap d ata d ari rece ive rC A P : C en tra l A n a lyser P rocessor, d im an a an a lisa d ilaku kan (D ata so lu s i)L A D S : L ig h tn in g A rch ive D a ta S ys tem , u n tu k m en g ars ip kan d ata d a lam b en tu k A S C IIN e tm on : N etw ork M on ito r, m em an tau ja rin g an secara rem ote te rh ad ap 8 rece iverA L W S : A d van ced L ig h tn in g W orks ta tion S ys tem , m en am p ilan d a ta so lu s iK om u n ikas i : m en g e lo la d a ta m asu kTIS : Te lecom m u n ica tion In te rface S ys tem , m en d is trib u s ikan d ata

    R IP C A P L A D S N etm on A L W S TIS K om u n ikas i

    P eran g kat L u n ak P u sat P en g an a lisa

  • 3(0$1)$$7$1'$7$-$'3(13(0$1)$$7$1'$7$-$'3(1ALWS

    abbr.Advanced Lightning Workstation

    Systemperangkat lunak yang berfungsi untuk :

    menampilkan data petir sesuai kebutuhan , meliputi karakteristik besaran, jenis, waktu dan

    lokasi terjadinya petir.

  • 3HPDQIDDWDQ $/:6realtime monitoring

    mengamati secara langsung terjadinya petir di lokasi pengamatan (current)

    analisis kejadian petirmenganalisis terjadinya petir pada waktu lampau di lokasi pengamatan

  • Z O O M IN G SE SU A I Y A N G D IIN G IN K A N

    W IN D O W K e 2

    W IN D O W K e 3

    CONTOH TAMPILAN ALWS

  • )DVLOLWDV3HPHWDDQ $/:60HPSXQ\DLIDVLOLWDVSHPHWDDQ \DQJGDSDWGLNXVWRPLVDVLNDQVHVXDLNHLQJLQDQSHQJJXQD $/:6 0HUHNDPVHWLDSRUGLQDWWLWLNORNDVL \DQJ LQJLQGLWDPSLONDQGLOD\DU

    /HQJNDSLVHOXUXK GDWD SHWDORNDVLSHQJJXQD 3ORW GDQYLVXDOLVDVLNDQ

  • TANJUNG BARATTAMPAK ATAS

    LAY OUT TOWER DAN RUMAH PENDUDUK

    LAYOUT PEMETAANLAYOUT PEMETAAN

  • Contoh : PETA JARINGAN TRANSMISIDaerah CIREBON dan sekitarnya

  • '$7$3(7,5'$(5$+&,5(%21'$16(.,7$51
  • Ledakan Tangki Kerosen di Kilang Minyak Cilacap

  • NUSAKAMBANGAN

    &RQWRK 'DWD 3HWLU&LODFDS

  • 7LWLNORNDVL7LWLNVDPEDUDQ

    Laporan Kejadian akibat petirLaporan Kejadian akibat petir ::Pada area Kilang LOC I/20, timbul api (venting) pada pipa flare (tinggi 25 m)Pada area Telkom Lomanis : mengalami gangguan komunikasi pada tanggal 20 Februari 1998.Sambaran terdekat dengan Kilang LOC I/20 : 02/19/1998 20:28:23.188 WIB -37.1KAmp

  • 3(0$1)$$7$1'$7$-$'3(13(0$1)$$7$1'$7$-$'3(1VHFDUD UHDOWLPH XQWXN($5/
  • 3(0$1)$$7$1'$7$-$'3(13(0$1)$$7$1'$7$-$'3(13523$&

    abbrPROGRAM PACKET

    perangkat lunak yang dikembangkan oleh GAI-USA dengan fungsi untuk

    menganalisis petir hasil ALWS

  • HASIL STATISTIK BESAR ARUS PETIR PADA SATU LOKASI DAERAH PANTAU DAN SATUAN WAKTU TERTENTU

  • STROKES AMPLITUDE STATISTIC Location at JAKARTA January 1, 2000 - December 31, 2000 WINDOW (20X20)km2

    0

    20

    40

    60

    80

    100

    120

    140

    160

    180

    200

    1 00 0 1 58 5 2 51 2 3 98 1 6 31 0 1 00 00 1 58 49 2 51 19 3 98 11 6 30 96 1 00 00 0 1 58 48 9

    Amplitude Bin

    Negativ e 1st Negativ e Subsequent Positiv e 1st Positiv e Subsequent

  • &RQWRK3HPDQIDDWDQ 'DWD

    3HQJHPEDQJDQDQDOLVLVPHPSHUJXQDNDQSDNHW (;(/25,*,1 GDQODLQQ\D

  • STROKES FREQUENCY STATISTIC Location at JAKARTAJanuary 1,2000 - December 31,2000 WINDOW (20 X 20) km2

    0

    20

    40

    60

    80

    100

    120

    140

    160

    180

    200

    00:00 02:00 04:00 06:00 08:00 10:00 12:00 14:00 16:00 18:00 20:00 22:00

    Hour (UTC)

    Negative Positive Cloud All

  • 3(0$1)$$7$1'$7$-$'3(13(0$1)$$7$1'$7$-$'3(1LWAS

    abbr.

    Lightning Waveform Analysis System

    Merupakan perangkat lunak yang berfungsi untuk melihat bentuk

    gelombang petir (PENELITIAN)

  • 'LNHPEDQJNDQGHQJDQPHQDPEDKNDQSHUDQJNDWNHUDV

    ERDUG/:$6 GLORNDVL UHFHLYHUSURVHVRUSHQJRODK /:$6 GL3XVDW3HQJDQDOLVD

    3HQJJXQDDQ /:$6

  • 3/27*(/20%$1*6$0%$5$13(7,5

  • KASUS 1 :.(-$',$13(7,5.(-$',$13(7,5 GL6DOXUDQ7UDQVPLVLGL6DOXUDQ7UDQVPLVL

    .9.9 DQWDUDDQWDUD*,&,%,121**,&,%,121* *,6$*8/,1**,6$*8/,1*

    EHUGDVDUNDQ6XUDW 3/13% -DZD%DOL677(71R67(70

  • TabelTabel 1. GANGGUAN SUTET AKIBAT SAMBARAN PETIR1. GANGGUAN SUTET AKIBAT SAMBARAN PETIR( JANUARI ( JANUARI -- JULI 1998 )JULI 1998 )

    SURAT PT.PLN (PERSERO)SURAT PT.PLN (PERSERO)NomorNomor : 175/464/STET/1998/M: 175/464/STET/1998/M

    TGL 3 September 1998TGL 3 September 1998

    No L ines P anjang (km c)

    Jum la h (ka li)

    Ta ngg a l Trip Norm a l M e nit M W Relays C a urses o f F ault

    1 S RLYA -GA ND UL II 11 1 ,14 8 1 20 /3 /9 8 15 .03 15 ,03 0 52 0 LP .A +B =D .S +A /R L ig htning /hujan da n pe tir2 C IB NG-B K A S I I 37 ,92 1 21 /6 /9 8 17 .56 17 ,56 0 60 LP .A +B =D -S +A /R L ig htning /hujan da n pe tir3 C IB NG-S GL NG I 80 ,352 2 03 /12 /199 8 15 .50 15 .50 0 80 LP .A =D -S +A /R L ig htning /m end ung

    15 /3 /9 8 16 .03 17 ,02 59 16 5 LP .A +B =D -S L ig htning /hujan da n pe tir4 C IB NG-S GL NG II 80 ,352 4 23 /2 /9 8 15 .55 15 ,55 0 0 LP .A =D -T+A /R L ig htning /hujan da n pe tir

    20 /3 /9 8 15 .59 15 ,59 0 27 0 LP .A =D -T+A /R L ig htning /hujan da n pe tir20 /4 /9 8 13 .18 13 ,38 0 15 0 LP .A =D -T+A /R L ig htning /hujan da n pe tir17 /5 /9 8 15 .48 15 ,48 0 20 0 LP .A +B =D -R+A /R L ig htning /C uaca M endung

    5 C RA TA -S G LNG I 25 ,166 1 03 /11 /199 8 19 .17 19 ,17 0 2 D ista nce=B -N-ZI+A /R L ig htning /hujan da n pe tir6 C RA TA -C B A TU II 46 ,757 1 22 /2 /9 8 15 .39 15 ,39 0 10 0 D ista nce=C -N-ZI+A /R L ig htning /hujan da n pe tir7 UNGRN-K RIA N 25 1,11 0 3 02 /11 /199 8 15 .21 16 ,08 47 30 0 LP .A =D -S +D E F A L ig htning /hujan da n pe tir

    17 /3 /9 8 10 .31 10 ,31 0 30 0 LP .A =D -T+A /R L ig htning /hujan da n pe tir07 /07 /199 8 14 .43 14 ,43 0 17 0 LP .A +B =D -T+A /R L ig htning /hujan da n pe tir

    8 K RIA N-GRS IK II 23 ,900 2 02 /11 /199 8 15 .22 15 ,22 0 17 5 LP .A =D .S +A /R L ig htning /hujan da n pe tir22 /2 /9 8 15 ,1 15 .13 0 22 5 LP .A =D -S +A /R L ig htning /hujan da n pe tir d i T24 6-

    T2 47 G resik9 K RIA N-GRA TI II 79 ,410 2 02 /11 /199 8 15 ,2 15 .21 0 18 0 LP .A =S -E -D IP +A /R L ig htning /hujan da n pe tir

    05 /05 /199 8 08 .14 08 .14 0 60 LP .A +B =R-E -D IP +A /R L ig htning /C uaca M endung10 C RA TA -C B A TU II 46 ,757 1 04 /04 /199 8 10 .30 10 .30 0 14 5 D ista nce=A -N+I d id trip L ig htning11 C L GON-C IB NG 13 0,81 1 17 /5 /9 8 15 .40 15 .40 0 20 0 LP .A +B =R-E -D IP +A /R L ig htning12 S GLNG-B D S LN II 37 ,426 1 07 /05 /199 8 18 .21 18 .21 0 32 5 LP .A +B =D -T+A /R L ig htning /hujan da n pe tir

    = kejadian petir yang dianalisa (Tabel 2.)

  • TABEL 2. CONTOH ANALISA PETIR PADA JARINGAN PLNJAWABAN SURAT PT.PLN (PERSERO)

    Nomor : 175/464/STET/1998/MTGL 3 September 1998

    N o Lines Tanggal W aktu (U TC ) Lintang B ujur Arus (K Amp)1 S RLY A -G A NDUL II 20/03/1998 8:02:04,227 -6,3076 106,4521 -41,8

    8:02:48,592 -6,3662 106,5127 -39,48:03:19,045 -6,4472 106,7705 -60,58:03:32,320 -6,3955 106,3994 128:06:30,367 -6,3515 106,5771 -44,9

    2 CIB NG -B K A S I I 21/06/1998 10:56:12,281 -6,3203 106,998 -66,310:54:00,480 -6,3339 106,9795 -63,5

    3 CIB NG -S G LNG I 12/03/1998 8:48:36,482 -6,7919 107,1533 -64,58:48:44,250 -6,8203 107,168 -84,18:49:34,775 -6,8037 107,1406 -54,18:50:02,289 -6,8251 107,1357 -43,18:50:32,193 -6,621 106,9736 -83,48:50:50,785 -6,7705 107,1689 -84,38:51:15,641 -6,7646 107,1504 -34,88:51:37,488 -6,7617 107,1631 -378:52:13,371 -6,7207 107,1826 -93,58:52:13,447 -6,7333 107,1807 -61,28:52:13,633 -6,7382 107,1699 -55,88:54:20,870 -6,6386 107,0908 -98,3

    15/03/1998 9:01:56,070 -6,7812 107,3145 -64,39:03:06,943 -6,8232 107,1943 -46,19:03:07,063 -6,8388 107,248 -33,59:03:56,811 -6,875 107,2344 -58,89:05:04,023 -6,8359 107,123 -46,49:05:13,191 -6,8994 107,2344 -40,59:05:13,578 -6,873 107,2656 -66,19:05:13,729 -6,9228 107,2246 -409:05:23,928 -6,7949 107,2383 -67,99:05:23,990 -6,7939 107,2148 -47,3

    4 CRA TA -S G LNG I 11/03/1998 12:17:58,320 -6,6533 107,4131 -13,412:18:13,310 -6,6894 107,3262 -80,512:18:32,453 -6,6357 107,4365 -25,712:20:27,465 -6,666 107,4111 -70,2

    5 UNG RN-K RIA N 11/02/1998 8:19:08,572 -7,166 110,585 -398:19:53,566 -7,0615 110,7393 13,68:19:56,621 -7,1552 110,9727 -43,98:21:41,666 -7,1425 110,9551 -49,48:21:43,930 -7,2021 111,0371 -20,88:22:25,572 -7,0683 110,999 -47,28:22:57,838 -7,1367 110,9551 -55,78:23:03,920 -7,1337 110,7998 19,68:23:42,354 -7,0947 110,9736 -54,9

    07/07/1998 7:46:30,570 -7,0468 110,5088 -37,6

    (Lihat peta)

    (Penyebab kerusakan)UTC + 7 jam

  • Peta JaringanPeta Jaringan 70kV PT PLN (70kV PT PLN (PerseroPersero))

    Saguling - Cibinong

  • ALWSDATA

    KEJADIAN PETIR

    Tanggal 12Maret 1998

    Lokasi antaraGI Saguling -GI Cibinong

    Tower T069/T

    Position :6.721056 S, 107.81861 E

    Window : 10 x 10 Km2

    Menara : Double Line

  • ALWSDATA

    KEJADIAN PETIR

    Tanggal 12Maret 1998

    Lokasi antaraGI Saguling -GI Cibinong

    Tower T069/T

    Position :6.721056 S, 107.81861 E

    Window : 10 x 10 Km2

    Menara : Double Line

  • DATA KEJADIAN

    PETIRTanggal 15Maret 1998

    Lokasi antaraGI Saguling -GI Cibinong

    Tower T101/S

    Position :6.57917 S, 107.1407 E

    Window : 10 x 10 Km2

    Menara : Double Line

  • ALWSDATA

    KEJADIAN PETIR

    Tanggal 15Maret 1998

    Lokasi antara GISaguling - GI

    Cibinong Tower T044/T

    Position :6.8046 S, 107.2144 E

    Window : 10 x 10 Km2

    Menara : Double Line

  • 'DULSHQDPSLODQ9LVXDOLVDVL.HMDGLDQ3HWLUSDGDGDHUDKGLVHNLWDU *, &LELQRQJGDQ6DJXOLQJ GLNHWDKXLGLNHWDKXL GDQGLEXNWLNDQGLEXNWLNDQ EDKZDPHPDQJWHUMDGLVDPEDUDQSHWLU\DQJ WHSDWQ\DSDGDORNDVL ZDNWXVHEDJDLEHULNXW

    /DW/RQ *DUGX%HVDU -DP 7DQJJDO6(77 N$ 6(77 N$

    Kesimpulan KasusKesimpulan Kasus 1:1:

  • KASUS 2 :KEJADIAN PETIR GL 37727$/,1'21(6,(7DQJJDO -XQL :LQGRZ;.P

  • Location : P T TO TAL IND O NE S IE - Gn. UTAR AGrid S ize : [(X) 6.25 K m x (Y) 6 .25 K m ]W indows : 25 X 25 K m 2S trokes : [18 (to tal), 5 (Negative), 10 (C loud), 3(P os itive)]S earch centre : Latitude: 1.2559 S , Longitude : 116.8122 ES earch date : F rom :06/05/2000 - 06/05/2000S earch time : F rom : 00:00:00 - 23:59:59C losest D ata T im e(UTC ) Latitude LongitudeAm plitude D is tanc e

    6/5/2000 19.18.45,656 -1,262 116,815 -78,6 0,7323716/5/2000 18.56.15,507 -1,282 116,819 0 3,0118226/5/2000 19.21.41,054 -1,333 116,815 -76,5 8,5315156/5/2000 19.48.52,070 -1,288 116,739 0 8,8065886/5/2000 19.47.41,609 -1,301 116,743 103,8 9,0955616/5/2000 19.50.26,226 -1,295 116,735 0 9,5230876/5/2000 19.47.50,562 -1,282 116,719 108 10,727886/5/2000 19.48.35,992 -1,312 116,731 0 10,926026/5/2000 19.50.36,171 -1,354 116,776 -85,7 11,587146/5/2000 19.50.11,062 -1,332 116,731 0 12,271596/5/2000 19.49.02,375 -1,284 116,701 0 12,662016/5/2000 19.46.21,859 -1,359 116,762 -77,5 12,722486/5/2000 19.42.36,070 -1,359 116,756 -87,2 13,016656/5/2000 19.49.03,718 -1,327 116,71 0 13,770956/5/2000 19.41.49,203 -1,355 116,735 0 13,89651

    -1 2 ,5

    -6 ,2 5

    0

    6 ,2 5

    1 2 ,5

    -1 2 ,5 -6 ,2 5 0 6 ,2 5 1 2 ,5

    G n. U tara S A M B A RA N

    KEJADIAN PETIR GL 37727$/,1'21(6,(Location : Gn. UTARA

    Grid Size : [(X) 6.25 Km x (Y) 6.25 Km] Windows : 25 X 25 Km2Search centre : Latitude: 1.2559 S, Longitude : 116.8122 ESearch date : From :06/05/2000 - 06/05/2000Search time : From : 00:00:00 - 23:59:59

  • KASUS 3KASUS 3 :

    .(-$',$13(7,5.(-$',$13(7,5 GLGL 68776877.9.9

    GLGL 6(.725-$.$57$6(.725-$.$57$7DKXQ

  • 1R 7DQJJDO /RNDVL.HMDGLDQ :DNWXNHMDGLDQ -XPDW *DQGDULD&LELQRQJ :,% 5DEX 0LQLDWXU*DQGDULD :,% .DPLV *DQGDULD&LELQRQJ :,% .DPLV &DZDQJ'3.58 :,% 6DEWX *DQGDULD&LELQRQJ :,% 6DEWX &DZDQJ'3.58 :,% 5DEX &DZDQJ'3.58 :,% 6HODVD &DZDQJ'3.58 :,% -XPDW 0LQLDWXU*DQGDULD :,% -XPDW &DZDQJ'3.58 :,% -XPDW 0LQLDWXU*DQGDULD :,% 6HQLQ *DQGDULD&LELQRQJ :,% 6HODVD &DZDQJ'3.58 :,% .DPLV &DZDQJ0LQLDWXU :,%

  • 0.7 Km

    0.9 Km

    1.6 Km

    0.7 Km

    Gangguan di PT. PLN (PERSERO) - SEKTOR JAKARTA Jaringan 70 KV Rute Miniatur -GandariaTanggal 26 April 2000

  • 0.8 Km1.8 Km

    0.8 Km

    1.1 Km

    Gangguan di PT. PLN (PERSERO) - SEKTOR JAKARTA Jaringan 70 KV Cawang - DPKRUTanggal 26 September 2000

  • 0.1 Km

  • ST ROKES F REQUENCY ST AT IST IC Location at JAKART AJanuary 1,2000 - December 31,2000 WINDOW (20 X 20) km2

    0

    20

    40

    60

    80

    100

    120

    140

    160

    180

    200

    00.00 02.00 04.00 06.00 08.00 10.00 12.00 14.00 16.00 18.00 20.00 22.00

    Hour (UT C)

    Negative Positive Cloud All

  • S T ROKES AMPL IT UDE S T AT IS T IC L ocation at JAKART A January 1, 2000 - December 31, 2000 WINDOW (20X20)km2

    0

    20

    40

    60

    80

    100

    120

    140

    160

    180

    200

    10 00 15 85 25 12 39 81 63 10 10 00 0 15 84 9 25 11 9 39 81 1 63 09 6 10 00 00 15 84 89

    Amplitude Bin

    Negative 1s t Negative S ubs equent Pos itive 1s t Pos itive Subs equent

  • KESIMPULANDaerah Jakarta mempunyai kerapatan Petir yangtinggi

    SUTT 70 kV mempunyai B.I.L relatif rendah

    Peningkatan keandalan SUTT 70 kV dapat dilakukan dengan memperbaiki sudut lindung,menurunkan tahanan tanah, dan menambah B.I.L Isolator

  • TERIMA KASIHTERIMA KASIH