rifad mubarak bamatraf (2206 100 081) pembimbing: prof. dr ... file2 sistem rentan gangguan gangguan...
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2
Sistem Rentan Gangguan
Gangguan menimbulkan osilasi dangangguan kestabilan
PSS [3-14]
Osilasi Interarea [5,6] FACTS [5-9]
Koordinasi Untuk Damping Optimal [5,6] CRPSO [19-20]
Nilai parameter PSS dan UPFC yang optimum.Perbandingan penalaan melalui PSS-UPFC dengan CRPSO,PSO, dan tanpa PSS-UPFC terhadap kestabilan sistem.
Gangguan pada sistem bersifat dinamik.
Beban pada sistem dianggap statik.
Sistem dimodelkan linier .
Letak PSS dan UPFC pada sistem ditetapkan.
Osilasi subsinkron diabaikan.
Pengaruh harmonik diabaikan.
3
4
START
Data Saluran, Pembangkit, dan
Parameter Mesin pada Sistem
Jawa Bali 500 kV
Proses Loadflow
Pemodelan Linear Sistem Jawa Bali 500 kV
State Space
Cek Controllability, Observability, dan
Stability
A
Koordinasi PSS dan Kontroller UPFC
menggunakan CRPSO
Plotting Output Sistem
Analisis
Kesimpulan
STOP
A
G
PSS
G
PSS
Cilegon
Bekasi
20
Bandung Maduracan
G
G
Ungaran
Krian
Cirata
Gresik
Muara TawarCibatu
G
G
Pedan Kediri
Grati
Paiton
Gandul
Kembangan
Cibinong
Cawang
Suralaya
PSS
PSS
PSS
PSS
G
PSS
2
1
143
19181617
15
4
911
9
12
13
810
6
5
7
Saguling
UPFC
5
refV
sT
K
A
A
1
tV fdEmaxRV
minRV
7
Governor merupakanpengendali yang berfungsiuntuk mengatur nilai torsi mekanik Tm yang menjadimasukan dari generator [10].
1
1
TgsKg
d
GSC
mT
Exciter berfungsi untuk mengaturtegangan, arus, dan faktor dayapada generator [4].
PSS menghasilkan komponen redaman tambahan melalui produksi torsi elektris yang sesuai dengan deviasi pada kecepatan rotor [3].
8
w
w
s
s
1 C
A
s
s
1
1
D
B
s
s
1
1STABK
wi sV
10
Start
Inisialisasi konstanta
CRPSO pada PSS
dan UPFC
Perhitungan eigenvalue pada
sistem dengan PSS dan FACTS
Inisialisasi current position
dan velocity tiap partikel
Random
current position
Ya
Tidak
i=0
BA
0i
Partikel Terbaik Lokal
Partikel Terbaik
Global (i)=Partikel
Terbaik Global (i-1)
Partikel Terbaik Global
(i)=Partikel Terbaik
Lokal(i)
min CDI
partikel (i) < min
CDI partikel(i-1)
i < i maks
i=i+1Update Weight… Pers (3.11)
Update Position…Pers(3.10)
Update Velocity…Pers(3.13)
Ya
Tidak
BA
Ya
Tidak
C
Pers (2.99)
Pers (2.100)
Min CDI
Kpss & Kupfc=Current Position
Plot Output
Stop
C
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PembangkitKPSS
PSO
Kpss
CRPSO
Suralaya 3.6193 4.2945
Muaratawar 40.2869 22.7627
Cirata 3.0721 3.0097
Saguling 11.0727 10.8756
Paiton 14.2550 17.7475
Grati 3.0015 3.1230
Gresik 30.9228 29.7099
Parameter PSO CRPSO
Kp1 1.3207 1.0905
Kp2 1.3849 3.0000
Ki1 0.0051 0.0091
Ki2 0.0028 0.0028
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No PSS, No UPFC PSS -UPFC (PSO) PSS-UPFC (CRPSO)
-0.0779 ± 5.4777i -0.0700 ± 5.4830i -0.0650 ± 5.4850i
-0.1648 ± 4.8427i -0.1560 ± 4.8592i -0.1563 ± 4.8486i
-0.1183 ± 4.4690i -0.1181 ± 4.4723i -0.1199 ± 4.4740i
-0.0688 ± 4.0616i -0.0729 ± 4.0631i -0.0743 ± 4.0624i
-0.0282 ± 3.8923i -0.0283 ± 3.8924i -0.0284 ± 3.8927i
-0.0061 ± 0.0727i -0.0067 ± 0.0691i -0.0070 ± 0.0690i
-0.1395 ± 2.4238i -0.1398 ± 0.0105i -0.1397 ± 0.0106i
No PSS, No UPFC PSS-UPFC (PSO) PSS-UPFC (CRPSO)
-1.4051 + 0.1081i -1.3977 + 0.1054i -1.3973 + 0.1056i
-0.0124 + 0.0888i -0.0841 + 0.1102i -0.0779 + 0.1106i
-0.0094 + 0.1010i -0.0443 + 0.1251i -0.0464 + 0.0785i
-0.0061 + 0.0727i -0.0067 + 0.0691i -0.0074 + 0.0692i
-0.0092 + 0.1048i -0.0332 + 0.0716i -0.0334 + 0.0625i
No PSS, No UPFC PSS-UPFC (PSO) PSS-UPFC (CRPSO)
-0.1889 + 2.0064i -0.6067 + 2.2348i -0.6540 + 2.2319i
KRITIS(e+002)
LOKAL(e+002)
INTERAREA
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PSS
Berbasis CRPSO
PSS dan UPFC
Berbasis CRPSO
-1.3970 + 0.1080i -1.3973 + 0.1056i
-0.0777 + 0.1106i -0.0779 + 0.1106i
-0.0464 + 0.0786i -0.0464 + 0.0785i
-0.0074 + 0.0690i -0.0074 + 0.0692i
-0.0336 + 0.0625i -0.0334 + 0.0625i
PSS
Berbasis CRPSO
PSS dan UPFC
Berbasis CRPSO
-0.6273 + 2.1958i -0.6540 + 2.2319i
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Pembangkit No PSS
No UPFC
PSS-UPFC
PSO
PSS-UPFC
CRPSO
Suralaya 0.0220 pu 29,4 s 0,0052 pu 22,5 s 0,0045 pu 18,1 s
Muaratawar 0.0120 pu 34,0 s 0,0000 pu 25,1 s 0,0000 pu 18,5 s
Cirata 0.0120 pu 34,0 s 0,0080 pu 26,4 s 0,0075 pu 26,7 s
Saguling 0.0200 pu 32,4 s 0,0110 pu 17,6 s 0,0105 pu 21,0 s
Paiton 0.0100 pu 37,3 s 0,0022 pu 29,2 s 0,0018 pu 25,0 s
Grati 0.0098 pu 37,3 s 0.0102 pu 11.9 s 0.0082 pu 9,2 s
Gresik 0.0090 pu 37,3 s 0.0002 pu 33,4 s 0.0000 pu 25,0 s
Perbaikan Parameter 0 % 0 % 60.91% 31,14% 66,12% 40,28%
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Pembangkit PSS
CRPSO
PSS-UPFC
CRPSO
Suralaya 0,0049 pu 16,5 s 0,0045 pu 18,1 s
Muaratawar 0,0000 pu 22,5 s 0,0000 pu 18,5 s
Cirata 0,0068 pu 24,6 s 0,0075 pu 26,7 s
Saguling 0,0100 pu 22,0 s 0,0105 pu 21,0 s
Paiton 0,0016 pu 29,3 s 0,0018 pu 25,0 s
Grati 0,0100 pu 15,6 s 0.0082 pu 9,2 s
Gresik 0.0002 pu 32,1 s 0.0000 pu 25,0 s
Perbaikan Parameter 0 % 0 % 14,05% 11,7 %
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Perbaikan pada lima dari tujuh eigenvalue kritis, dan empat eigenvaluemenunjukkan hasil penalaan CRPSO lebih baik dibandingkan PSO.
Eigenvalue mode lokal dan interarea menunjukkan perbaikansignifikan dengan CRPSO.
Penerapan CRPSO mempercepat settling time respon variasi frekuensiuntuk seluruh pembangkit.
Penerapan PSS dan UPFC sebagai peralatan peredam osilasi sebaiknyajuga diuji untuk kondisi gangguan transien.
Penalaan PSS dan UPFC dapat diuji dengan metode optimisasi lain untuk mengamati perbandingan dengan metode CRPSO yang digunakan.
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