Dwi Joko Purnomo (091321011) teknik listrik 2A Politeknik Negeri Bandung

150 KV

2572 MVA

Menghitung Impedansi Impedansi sumber Xs = 8.748 ohm Impedansi di sisi sekunder (sisi 20 KV) Xs (sisi 20 KV) = 0.156 ohm = 0.15552099533437i

ohm

Menghitung Impedansi Penyulang Z1 = Z2 (XLPE 150) = 0.381718+0.192712i Z1 = Z2 (XLPE 240) = 0.22675+0.175958i

Z0 (XLPE 150) Z0 (XLPE 240) impedansi total Z1 = Z2 = Z0 =

= =

0.659668+0.594813i 0.49885+0.052606i

0.608468+0.36867i 1.158518+0.647419i

ohm ohm

lokasi gangguan (%panjang)0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100

Impedansi penyulang (Ohm) urutan positif & negatif (Z1&Z2)0 0.0304234+0.0184335i 0.0608468+0.036867i 0.0912702+0.0553005i 0.1216936+0.073734i 0.152117+0.0921675i 0.1825404+0.110601i 0.2129638+0.1290345i 0.2433872+0.147468i 0.2738106+0.1659015i 0.304234+0.184335i 0.3346574+0.2027685i 0.3650808+0.221202i 0.3955042+0.2396355i 0.4259276+0.258069i 0.456351+0.2765025i 0.4867744+0.294936i 0.5171978+0.3133695i 0.5476212+0.331803i 0.5780446+0.3502365i 0.608468+0.36867i

Urutan Nol (Z0)0 0.0579259+0.03237095i 0.1158518+0.0647419i 0.1737777+0.09711285i 0.2317036+0.1294838i 0.2896295+0.16185475i 0.3475554+0.1942257i 0.4054813+0.22659665i 0.4634072+0.2589676i 0.5213331+0.29133855i 0.579259+0.3237095i 0.6371849+0.35608045i 0.6951108+0.3884514i 0.7530367+0.42082235i 0.8109626+0.4531933i 0.8688885+0.48556425i 0.9268144+0.5179352i 0.9847403+0.55030615i 1.0426662+0.5826771i 1.1005921+0.61504805i 1.158518+0.647419i

Perhitungan Arus GaTRAFO

20 KV

60 MVA XT = RN =

3.667 11.89 % 12 ohm

Menghitung Reaktansi Trafo Reaktansi trafo (Xt) pada 100% Xt (pada 100%)= 6.667 ohm Nilai reaktansi trafo tenaga > Reaktansi urutan positif dan negatif Xt (positif) = Xt (negatif) =

0.793 = 0.792666666666667i

ulang Ohm Ohm

> Reaktansi urutan 0 transformator daya dengan hubungan belitan Y Xt0 = 0.793 ohm = 0.792666666666667i transformator daya dengan belitan Yyd Xt0 = 2.378 ohm = 2.378i ohm transformator daya dengan hubungan belitan YY Xt0= 7.9266667 ohm = 7.92666666666667i

Ohm Ohm

Impedansi Jaringan (Ohm) urutan positif & negatif (Z1eq&Z2eq)0.948187662001037i 0.0304234+0.966621162001037i 0.0608468+0.985054662001037i 0.0912702+1.00348816200104i 0.1216936+1.02192166200104i 0.152117+1.04035516200104i 0.1825404+1.05878866200104i 0.2129638+1.07722216200104i 0.2433872+1.09565566200104i 0.2738106+1.11408916200104i 0.304234+1.13252266200104i 0.3346574+1.15095616200104i 0.3650808+1.16938966200104i 0.3955042+1.18782316200104i 0.4259276+1.20625666200104i 0.456351+1.22469016200104i 0.4867744+1.24312366200104i 0.5171978+1.26155716200104i 0.5476212+1.27999066200104i 0.5780446+1.29842416200104i 0.608468+1.31685766200104i

Arus Gangguan (Ampere) 1 fasa ke tanah928.3126 925.01999 921.74984 918.50192 915.27601 912.07191 908.8894 905.72827 902.58831 899.46932 896.3711 893.29345 890.23617 887.19906 884.18195 881.18463 878.20692 875.24863 872.30958 869.38959 866.48848

Urutan Nol (Z0eq)36+7.92666666666667i 36.0579259+7.95903761666667i 36.1158518+7.99140856666667i 36.1737777+8.02377951666667i 36.2317036+8.05615046666667i 36.2896295+8.08852141666667i 36.3475554+8.12089236666667i 36.4054813+8.15326331666667i 36.4634072+8.18563426666667i 36.5213331+8.21800521666667i 36.579259+8.25037616666667i 36.6371849+8.28274711666667i 36.6951108+8.31511806666667i 36.7530367+8.34748901666667i 36.8109626+8.37985996666667i 36.8688885+8.41223091666667i 36.9268144+8.44460186666667i 36.9847403+8.47697281666667i 37.0426662+8.50934376666667i 37.1005921+8.54171471666667i 37.158518+8.57408566666667i

2 fasa10546.44 10340.19 10132.41 9924.275 9716.832 9510.971 9307.444 9106.875 8909.774 8716.548 8527.514 8342.911 8162.909 7987.619 7817.107 7651.393 7490.467 7334.288 7182.794 7035.904 6893.524

n Arus Gangguan Hubung SingkatData Trafo tenaga Merk = Hyundai Tipe = TL-369 Daya = 60 MVA Tegangan = 150 / 20 KV Impedansi ( Z %) = 11.89 % R ngr = 20 ohm Rasio CT = 2000 / 5 Vektor Grup = YNyn0 (dll) Data Penyulang CLK SKTM (Saluran Kabel Tegangan Menengah 3.667 Km XLPE 150 mm 2 dan

Nama penyulang Jenis penyulang Panjang Kabel yang digunakan

= = = =

ktansi Trafo

an negatif ohm 0.792666666666667i ohm

ubungan belitan Y

elitan Yyd14000

Kurva Arus Gangguan Hubung

ubungan belitan YY ohm12000

10000 Arus Gangguan hubung singkat (A)

rus Gangguan (Ampere) 3 fasa12178 11939.828 11699.898 11459.566 11220.031 10982.323 10747.31 10515.713 10288.12 10065.002 9846.7252 9633.5638 9425.7149 9223.3084 9026.4175 8835.068 8649.2463 8468.9064 8293.9762 8124.3625 7959.9557

8000

6000

4000

2000

0

0

5

10

15

20

25

30

35

40

45 Panjang Penyulang (%)

g SingkatDATA TEKNISData Teknis Kabel AL XLPE 240 mm 2 Z1/Km Z0/Km XLPE 150 mm 2 Z1/Km Z0/Km Penyulang Data per Km R 0.125 0.275 Data per Km R 0.206 0.356 jX 0.104 0.321 jX 0.097 0.029

M (Saluran Kabel Tegangan Menengah XLPE 240 mm 2

va Arus Gangguan Hubung Singkat

3 fasa2 fasa

1 fasa

45

50

55

60

65

70

75

80

85

90

95

100

Panjang Penyulang (%)

a Teknis Kabel AL 1.814 Km R 0.227 0.499 1.853 Km R 0.3817 0.6597 jX 0.176 0.053 jX 0.1927 0.5948

928.31 925.02 921.75 918.5 915.28 912.07 908.89 905.73 902.59 899.47 896.37 893.29 890.24 887.2 884.18 881.18 878.21 875.25 872.31 869.39 866.49

150 KV

2572 MVA

Menghitung Impedansi Impedansi sumber Xs = 8.748 ohm Impedansi di sisi sekunder (sisi 20 KV) Xs (sisi 20 KV) = 0.156 ohm = 0.15552099533437i

ohm

Menghitung Impedansi Penyulang Z1 = Z2 (XLPE 150) = 0.381718+0.192712i Z1 = Z2 (XLPE 240) = 0.22675+0.175958i Z0 (XLPE 150) Z0 (XLPE 240) impedansi total Z1 = Z2 = = = 0.659668+0.594813i 0.49885+0.052606i

0.608468+0.36867i

ohm

Z0

=

1.158518+0.647419i

ohm

lokasi gangguan (%panjang)0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100

Impedansi penyulang (Ohm) urutan positif & negatif (Z1&Z2)0 0.0304234+0.0184335i 0.0608468+0.036867i 0.0912702+0.0553005i 0.1216936+0.073734i 0.152117+0.0921675i 0.1825404+0.110601i 0.2129638+0.1290345i 0.2433872+0.147468i 0.2738106+0.1659015i 0.304234+0.184335i 0.3346574+0.2027685i 0.3650808+0.221202i 0.3955042+0.2396355i 0.4259276+0.258069i 0.456351+0.2765025i 0.4867744+0.294936i 0.5171978+0.3133695i 0.5476212+0.331803i 0.5780446+0.3502365i 0.608468+0.36867i

Urutan Nol (Z0)0 0.0579259+0.03237095i 0.1158518+0.0647419i 0.1737777+0.09711285i 0.2317036+0.1294838i 0.2896295+0.16185475i 0.3475554+0.1942257i 0.4054813+0.22659665i 0.4634072+0.2589676i 0.5213331+0.29133855i 0.579259+0.3237095i 0.6371849+0.35608045i 0.6951108+0.3884514i 0.7530367+0.42082235i 0.8109626+0.4531933i 0.8688885+0.48556425i 0.9268144+0.5179352i 0.9847403+0.55030615i 1.0426662+0.5826771i 1.1005921+0.61504805i 1.158518+0.647419i

Perhitungan Arus GaTRAFO

20 KV

60 MVA XT = RN =

3.667 11.89 % 12 ohm

Menghitung Reaktansi Trafo Reaktansi trafo (Xt) pada 100% Xt (pada 100%)= 6.667 ohm Nilai reaktansi trafo tenaga > Reaktansi urutan positif dan negatif Xt (positif) = Xt (negatif) = 0.793 = 0.792666666666667i > Reaktansi urutan 0 transformator daya dengan hubungan belitan Y Xt0 = 0.793 ohm = 0.792666666666667i transformator daya dengan belitan Yyd Xt0 = 2.378 ohm = 2.378i ohm transformator daya dengan hubungan belitan YY

Ohm Ohm Ohm Ohm

Xt0= 7.92667 ohm = 7.92666666666667i

Impedansi Jaringan (Ohm) urutan positif & negatif (Z1eq&Z2eq)0.948187662001037i 0.0304234+0.966621162001037i 0.0608468+0.985054662001037i 0.0912702+1.00348816200104i 0.1216936+1.02192166200104i 0.152117+1.04035516200104i 0.1825404+1.05878866200104i 0.2129638+1.07722216200104i 0.2433872+1.09565566200104i 0.2738106+1.11408916200104i 0.304234+1.13252266200104i 0.3346574+1.15095616200104i 0.3650808+1.16938966200104i 0.3955042+1.18782316200104i 0.4259276+1.20625666200104i 0.456351+1.22469016200104i 0.4867744+1.24312366200104i 0.5171978+1.26155716200104i 0.5476212+1.27999066200104i 0.5780446+1.29842416200104i 0.608468+1.31685766200104i

Urutan Nol (Z0eq)36+2.378i 36.0579259+2.41037095i 36.1158518+2.4427419i 36.1737777+2.47511285i 36.2317036+2.5074838i 36.2896295+2.53985475i 36.3475554+2.5722257i 36.4054813+2.60459665i 36.4634072+2.6369676i 36.5213331+2.66933855i 36.579259+2.7017095i 36.6371849+2.73408045i 36.6951108+2.7664514i 36.7530367+2.79882235i 36.8109626+2.8311933i 36.8688885+2.86356425i 36.9268144+2.8959352i 36.9847403+2.92830615i 37.0426662+2.9606771i 37.1005921+2.99304805i 37.158518+3.025419i

Arus Gangguan (Ampere) 1 fasa ke 2 fasa tanah955.539 952.225 948.933 945.66 942.409 939.177 935.966 932.775 929.603 926.451 923.319 920.206 917.111 914.036 910.98 907.942 904.923 901.922 898.94 895.975 893.029 10546.4 10340.2 10132.4 9924.28 9716.83 9510.97 9307.44 9106.87 8909.77 8716.55 8527.51 8342.91 8162.91 7987.62 7817.11 7651.39 7490.47 7334.29 7182.79 7035.9 6893.52

Arus Gangguan Hubung SingkaData Trafo tenaga Merk = Hyundai Tipe = TL-369 Daya = 60 MVA Tegangan = 150 / 20 KV Impedansi ( Z %) = 11.89 % R ngr = 20 ohm Rasio CT = 2000 / 5 Vektor Grup = YNyn0 (dll)

Nama penyulang Jenis penyulang Panjang Kabel yang digunakan

= = = =

Data Penyulang CLK SKTM (Saluran Kabel Tegangan Meneng 3.667 Km XLPE 150 mm 2 dan

nsi Trafo

negatif ohm 0.792666666666667i ohm

bungan belitan Y

666666667i itan Yyd

bungan belitan YY

ohm

Kurva Arus Gangguan Hubung14000