PEMELIHARAAN TRAFO ARUS PEMELIHARAAN TRAFO ARUS

5.1.9 PEMELIHARAAN TRAFO ARUSPEMELIHARAAN TRAFO ARUS

Lingkup pengujian trafo arus adalah sebagai

Lingkup pengujian trafo arus adalah sebagai berikut:berikut: 1.

1. Pengujian Rasio,Pengujian Rasio, 2.

2. Pengujian Beban,Pengujian Beban, 3.

3. Pengujian Kejenuhan (Saturasi),Pengujian Kejenuhan (Saturasi), 4.

4. Pengujian Polaritas,Pengujian Polaritas, 5.

5. Pengukuran Tahanan DC (R dc), danPengukuran Tahanan DC (R dc), dan 6.

6. Pengukuran Tahanan Isolasi (Megger).Pengukuran Tahanan Isolasi (Megger). 5.1.9.1

5.1.9.1 Pengujian Rasio Trafo ArusPengujian Rasio Trafo Arus

Pengujian rasio CT dilakukan untuk membandingkan rasio transformasi arus primer Pengujian rasio CT dilakukan untuk membandingkan rasio transformasi arus primer dan sekunder, apakah sesuai dengan tanda pengenal (

dan sekunder, apakah sesuai dengan tanda pengenal (nameplate nameplate ) trafo arus.) trafo arus. Pengujian rasio sesuai dengan

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

http://catatan-team-jaya.blogspot.com

S S11 S S22 V V A A

Alat Uji Arus Alat Uji Arus

220 220

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

http://catatan-team-jaya.blogspot.com

Gambar 20. Rangkaian Pengujian Beban Trafo Arus Gambar 20. Rangkaian Pengujian Beban Trafo Arus

5.1.9.4

5.1.9.4 Pengujian Kejenuhan Trafo Arus (Saturasi)Pengujian Kejenuhan Trafo Arus (Saturasi)

Pengujian kejenuhan trafo arus dilakukan untuk mengetahui tegangan knee (

Pengujian kejenuhan trafo arus dilakukan untuk mengetahui tegangan knee ( Knee Knee point

point ) terhadap referensi dari tanda pengenal trafo arus dan kurva magnetisasi) terhadap referensi dari tanda pengenal trafo arus dan kurva magnetisasi pada masing-masing inti (

pada masing-masing inti (core core ), kemudian dibandingkan dengan kebutuhan), kemudian dibandingkan dengan kebutuhan persyaratan tegangan pada rangkaian sekunder (V

persyaratan tegangan pada rangkaian sekunder (V_ss) yang ditinjau saat terjadi) yang ditinjau saat terjadi gangguan hubung singkat maksimum.

gangguan hubung singkat maksimum. Pengujian kejenuhan CT sesuai dengan

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

http://catatan-team-jaya.blogspot.com

Gambar 22. Kurva Kejenuhan Trafo Arus Gambar 22. Kurva Kejenuhan Trafo Arus

Trafo arus metering Trafo arus metering

II

V

dI = 50% dI = 50% dV = 10%

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

http://catatan-team-jaya.blogspot.com

5.1.9.6

5.1.9.6 Pengukuran Tahanan DC (R dc)Pengukuran Tahanan DC (R dc)

Pengukuran tahanan DC trafo arus bertujuan untuk mengetahui nilai tahanan DC Pengukuran tahanan DC trafo arus bertujuan untuk mengetahui nilai tahanan DC internal trafo arus. Nilai tahanan DC pada trafo arus biasanya dipakai untuk internal trafo arus. Nilai tahanan DC pada trafo arus biasanya dipakai untuk menghitung setelan pada relai gangguan tanah terbatas (

menghitung setelan pada relai gangguan tanah terbatas (restricted earth fault restricted earth fault ).). Pengukuran tahanan DC sesuai

Pengukuran tahanan DC sesuai dengan IK-OPH/CT-08/P3BS/2007.dengan IK-OPH/CT-08/P3BS/2007.

m mΩΩ

Pengukuran tahanan isolasi dilakukan pada Pengukuran tahanan isolasi dilakukan pada semua terminal sekunder pada masing-masing semua terminal sekunder pada masing-masing inti

inti seperti seperti Gambar Gambar 19.19. -

- Terminal Terminal 1S1S₁₁ – 1S– 1S₂₂,, -

- Terminal Terminal 1S1S₁₁ – 1S– 1S₃₃,, -

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

http://catatan-team-jaya.blogspot.com

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

http://catatan-team-jaya.blogspot.com

Contoh Perhitungan Kejenuhan Inti Contoh Perhitungan Kejenuhan Inti

Diketahui arus hubung singkat maksimum I

Diketahui arus hubung singkat maksimum IFF max = 7266 A, rasio CT 1000 /5 A dan kelasmax = 7266 A, rasio CT 1000 /5 A dan kelas 10P20,

10P20, burden burden 7.5 VA.7.5 VA.

CT tersebut dihubungkan pada rangkaian relai proteksi dengan nilai tahanan internal R CT tersebut dihubungkan pada rangkaian relai proteksi dengan nilai tahanan internal R _CT_CT = 0.26

= 0.26



, R , R relairelai = 0.02= 0.02



, R , R kawatkawat = 0.15= 0.15



Perhitungan untuk relai arus lebih: Perhitungan untuk relai arus lebih:

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

Titles you can't find anywhere else

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial

Cancel Anytime.

http://catatan-team-jaya.blogspot.com

Dalam dokumen Pemeliharaan CT Dan PT (Halaman 33-47)