KOORDINASI KONTROL FACTS MENGGUNAKAN INTERVAL TYPE-2
FUZZY LOGIC UNTUK MEMPERBAIKI DAMPING OSILASI DAYA PADA SISTEM
KELISTRIKAN JAWA BALI 500 KV
OlehWAHYUDI 2206 100 135
Dosen Pembimbing : Prof. Dr. Ir. Imam Robandi, MT
Pendahuluan
Sistem Multimesin
GangguanPerformansi Sistem
Kontrol Fuzzy
Sistem Stabil
UPFC
Tidak Stabil
Batas Masalah
1. Pemodelan sistem nonlinier menggunakan Matlab7.3.
2. UPFC yang dipasang 2 buah3. PSS terpasang disetting secara tetap4. Pengaruh harmonik diabaikan5. Subsynchronous diabaikan6. Pengamatan kestabilan transien akibat gangguan
hubung singkat tiga phasa 4 cycle.
Tujuan
1. Mengetahui hasil penerapan interval type-2 fuzzy logic untuk mengkoordinasi 2 UPFC yang dipasangpada sistem kelistrikan Jawa Bali 500 kV
2. Meningkatkan performansi kestabilan sistem kelistrikan Jawa Bali 500 kV ketika terjadi gangguan besar.
Gambar 2. Plant SistemJawa Bali 500 kV
1 Slack Bus7 Generator Bus 15 Load Bus 2 UPFC [7]
1. Suralaya-Gandul2. Tanjungjati-Ungaran
Gambar 5. Fungsi keanggotaan input Fuzzy tipe 2
-6 -4 -2 0 2 4 60
0.5
1
IBN_UMF=[-5-0.3 -1 -0.2 0.1+0.3];IBN_LMF=[-5+0.3 -1 -0.2 0.1-0.3];IMN_UMF=[-1-0.3 -0.15 0.2+0.3];IMN_LMF=[-1+0.3 -0.15 0.2-0.3];ILN_UMF=[-1-0.3 -0.065 1+0.3 ];ILN_LMF=[-1+0.3 -0.065 1-0.3 ];IZ_UMF =[-1-0.3 0 1+0.3 ];IZ_LMF =[-1+0.3 0 1-0.3 ];ILP_UMF=[-1-0.3 0.065 1+0.3 ];ILP_LMF=[-1+0.3 0.065 1-0.3 ];IMP_UMF=[-0.2-0.3 0.15 1+0.3 ];IMP_LMF=[-0.2+0.3 0.15 1-0.3 ];IBP_UMF=[-0.1-0.3 0.2 1 5+0.3];IBP_LMF=[-0.1+0.3 0.2 1 5-0.3];
Gambar 6. Fungsi keanggotaan output Fuzzy tipe 2
OBN_UMF=[-1-0.05 -0.5 -0.4+0.05 ];OBN_LMF=[-1+0.05 -0.5 -0.4-0.05 ];OMN_UMF=[-0.5-0.05 -0.4 -0.3+0.05 ];OMN_LMF=[-0.5+0.05 -0.4 -0.3-0.05 ];OLN_UMF=[-0.4-0.05 -0.3 0+0.05 ];OLN_LMF=[-0.4+0.05 -0.3 0-0.05 ];OBZ_UMF=[-0.3-0.05 0 0.3+0.05 ];OBZ_LMF=[-0.3+0.05 0 0.3-0.05 ];OLZ_UMF=[-0.015-0.005 0 0.015+0.005 ];OLZ_LMF=[-0.015+0.005 0 0.015-0.005 ];OLP_UMF=[0-0.05 0.3 0.4+0.05 ];OLP_LMF=[0+0.05 0.3 0.4-0.05 ];OMP_UMF=[0.3-0.05 0.4 0.5+0.05 ];OMP_LMF=[0.3+0.05 0.4 0.5-0.05 ];OBP_UMF=[0.4-0.05 0.5 1+0.05 ];OBP_LMF=[0.4+0.05 0.5 1-0.05 ];
Tabel 1. Aturan fuzzy
PUPFC1\ PUPFC2 BP MP LP Z LN MN BN
BN BZ LN MN MN BN BN BN
MN LP BZ LN MN MN BN BN
LN MP LP BZ LN LN MN BN
Z BP MP LP LZ LN MN BN
LP BP MP LP LP BZ LN MN
MP BP BP MP MP LP BZ LN
BP BP BP BP MP MP LP BZ
Gambar 9. Model nonlinier sistem Jawa Bali 500 kV
Trip
By pass
PQref Vdqref
m
A1
B1C1
A2
B2
C2
UPFC
UPFC2
Trip
By pass
PQref Vdqref
m
A1
B1C1
A2
B2
C2
UPFC
UPFC1
UPFC2
UPFC1
A B C
TanjungJati
A B C
Suralaya
A B C
Static Load Pedan-158 MVar
A B C
Static Load Kediri-193 MVar
A B C
Saguling
A B C
Paiton
A B C
Muaratawar
A B C
Load Ungaran290 MW320 MVar
A B C
Load Tasikmalaya244 MW15 MVar
A B C
Load Surabaya Barat760 MW280 MVar
A B CLoad Pedan462 MW215 MVar
ABC
Load Mandirancan350 MW
120 MVar
ABC
Load Kembangan670 MW
230 MVar
A B C
Load Kediri316 MW182 MVar
A B C
Load Gresik185 MW80 MVar
A B C
Load Grati115 MW170 MVar
A B C
Load Gandul480 MW
160 MVar
ABC
Load Cilegon620 MW
200 MVar
A B C
Load Cibinong615 MW
190 MVar
ABC
Load Cibatu726 MW
280 MVar
ABC
Load Bekasi570 MW
150 MVar
A B C
Load Bandung Selatan520 MW310 MVar
[PQref1]
[PQref2]
[Vdqref1
[Vdqref2]
A B C
Gresik
A B C
Grati
n
m
A B CA B C
Fault
Open this blockto visualize
generator signals
Data Acquisition1
Open this blockto visualize
voltage&Current signals
Data Acquisition
A1 B1 C1
Cirata
Bypass2
Bypass1
A
BC
a
bc
Bus Ungaran
AB
C
ab
c
Bus Tasikmalaya
A
BC
a
bc
Bus Tanjung Jati
A
BC
a
bc
Bus Suralaya
AB
C
ab
c
Bus Surabaya Barat
AB
C
Bus Saguling
AB
C
ab
c
Bus Pedan
AB
C
ab
c
Bus Paiton
A
B
C
Bus Muaratawar
A
BC
a
bc
Bus Mandirancan
A
BC
a
bc
Bus Kembangan
AB
C
ab
c
Bus Kediri
A
BC
Bus Gresik
AB
C
ab
c
Bus Grati
A
BC
a
bc
Bus Gandul
AB
C
ab
c
Bus Depok
A
BC
a
bc
Bus Cirata
AB
C
ab
c
Bus Cilegon
AB
C
ab
c
Bus Cibinong
A
BC
a
bc
Bus Cibatu
A
B
C
a
b
c
Bus Cawang
A
B
C
a
b
c
Bus Bekasi
A
BC
a
bc
Bus Bandung Selatan
A
BC
a
bc
B_UPFC22
A
BC
B_UPFC12
88.363 kmLine Grati-Paiton
81.9 kmLine Cibinong-Saguling
79.41 kmLine Surabaya Barat-Grati
77.1 kmLine Ungaran-Pedan
67.4 kmLine Ungaran-Tanjung Jati1
67.4 kmLine Ungaran-Tanjung Jati2
55.574 kmLine Suralaya-Gandul 2
55.574 kmLine Suralaya-Gandul 1
53 kmLine Muaratawar-Cibinong
48.158 kmLine Muaratawar-Cibatu
48 kmLine Cawang-Muaratawar
46.757 kmLine Cibatu-Cirata
39 kmLine Bandung selatan
-Saguling
37.92 kmLine -Gandul-Depok
37.9 kmLine Bekasi-Cibinong
320.304 kmLine Tanjung Jati-Surabaya Barat
305 kmLine Tasikmalaya-Pedan
30.143 kmLine Kembangan-Gandul
280 kmLine Depok -Tasikmalaya
254.6 kmLine Ungaran-Surabaya Barat
25.166 kmLine Saguling-Cirata
230 kmLine Mandirancan-Ungaran
23.8 kmLine Surabaya Barat-Gresik
21.27 kmLine Gandul- Cibinong
205 kmLine Pedan-Kediri
205 kmLine Kediri-Paiton
19.5 kmLine Bandung selatan
-Saguling2
19.5 kmLine Bandung selatan
-Saguling1
16.84 kmLine Bekasi-Cawang
130.81 kmLine Cilegon-Cibinong
12.48 kmLine Suralaya-Cilegon
119.3 kmLine Bandung selatan-Mandirancan
A B C
Static Load Paiton -96 MVar
ABC
135 MW 40 MVar
A B C
Load Paiton 740 MW 240 MVar
A B C
Load Cirata 600 MW 216 MVar
A B C
Load Cawang 670 MW 160 MVar
A
BC
a
bc
Brk2
A
BC
a
bc
Brk1
doubledouble
double
double
doubledouble
double
double
Gambar 10. Sistem koordinasi Fuzzy
3Q1
2P1
1V
type2
4s
4s+1
Washout
Subtract
UU(E)
UU(E)
UU(E)
UU(E)
UU(E)
UU(E)
Limiter
0.01s+1
0.02s+1Lead-lag 2
0.01s+1
0.02s+1Lead-lag 1
Iabc_Cilegon
Vabc_Suralaya
Iabc_Suralaya
Iabc_Cibinong
Vabc_Cibinong
Vabc_Kembangan
Vabc_Gandul
Iabc_Kembangan
Vabc_Cawang
Iabc_Cawang
Vabc_Mandirancan
abc_Mandirancan
Vabc_Depok
Iabc_Depok
Vabc_Cilegon
Iabc_Gandul
Q_UPFC12
P_UPFC12
2/3 100
Vabc
Iabc
PQ
3-PhaseActive & Reactive Power
(Phasor Type)7
Vabc
IabcPQ
3-PhaseActive & Reactive Power
(Phasor Type)6
Vabc
Iabc
PQ
3-PhaseActive & Reactive Power
(Phasor Type)5
Vabc
Iabc
PQ
3-PhaseActive & Reactive Power
(Phasor Type)4
Vabc
Iabc
PQ
3-PhaseActive & Reactive Power
(Phasor Type)3
Vabc
IabcPQ
3-PhaseActive & Reactive Power
(Phasor Type)2
Vabc
Iabc
PQ
3-PhaseActive & Reactive Power
(Phasor Type)1
Vabc
Iabc
PQ
3-PhaseActive & Reactive Power
(Phasor Type)
HASIL DAN ANALISIS
Pengamatan terhadap respon variasi frekuensi dan respon variasi sudut rotor saat terjadi hubung singkat 3 phasa 4 cycle.Pada simulasi diamati perbandingan respon sistem berikut:
1. Sistem tanpa koordinasi, 2. Sistem dengan koordinasi fuzzy tipe 1, 3. Sistem dengan koordinasi fuzzy tipe 2.
Tabel 2. Data settling time frekuensi pembangkit Jawa Bali 500 kV (detik)
Tabel 3. Data overshoot frekuensi pembangkit Jawa Bali 500 kV (pu)
Pembangkit Tanpa koordinasi
Dengan koordinasi
fuzzy tipe 1
Dengan koordinasi
fuzzy tipe 2PLTU Suralaya
> 10 7.1 3.5
PLTU Muaratawar
> 10 10 5.9
PLTA Cirata
> 10 9.1 4.5
PLTA Saguling
> 10 8.5 4.8
PLTU Paiton
> 10 7.9 4.5
PLTU Grati > 10 6.8 3.9
PLTU Gresik
> 10 6.7 4.1
PLTU Tanjungjati
> 10 5.8 4.4
Pembangkit Tanpa koordinasi
Dengan koordinasi
fuzzy tipe 1
Dengan koordinasi
fuzzy tipe 2PLTU Suralaya
0.000265 0.000235 0.000215
PLTU Muaratawar
0.000262 0.000241 0.000222
PLTA Cirata
0.000263 0.000235 0.000195
PLTA Saguling
0.000262 0.000231 0.000198
PLTU Paiton
0.000295 0.000238 0.000218
PLTU Grati 0.000265 0.000231 0.000205
PLTU Gresik
0.000258 0.000239 0.000182
PLTU Tanjungjati
0.000265 0.000225 0.000202
Tabel 4. Data settling time sudut rotor pembangkit Jawa Bali 500 kV (detik)
Tabel 5. Data overshoot sudut rotor pembangkit Jawa Bali 500 kV (pu)
Pembangkit Tanpa koordinasi
Dengan koordinasi
fuzzy tipe 1
Dengan koordinasi fuzzy tipe 2
PLTU Suralaya
>10 7.2 3.8
PLTU Muaratawar
>10 10 6.8
PLTA Cirata >10 8.2 5.5
PLTA Saguling
>10 8.3 5.8
PLTU Paiton
>10 8.2 4.8
PLTU Grati >10 6.3 4.2
PLTU Gresik
>10 7.3 3.8
PLTU Tanjungjati
>10 6.2 4.4
Pembangkit Tanpa koordinasi
Dengan koordinasi
fuzzy tipe 1
Dengan koordinasi
fuzzy tipe 2PLTU Suralaya
0.121 0.109 0.105
PLTU Muaratawar
0.117 0.11 0.102
PLTA Cirata
0.116 0.109 0.091
PLTA Saguling
0.118 0.107 0.093
PLTU Paiton
0.119 0.109 0.105
PLTU Grati 0.122 0.108 0.103
PLTU Gresik
0.121 0.109 0.096
PLTU Tanjungjati
0.124 0.111 0.106
KESIMPULAN
1. Penerapan Interval Type2 Fuzzy Logic dapat digunakan untukmengkoordinasi parameter gain UPFC, sehingga diperoleh parameter gain UPFC optimal yaitu sebesar 0.1268.
2. Penerapan metode Interval Type2 Fuzzy Logic terhadap gain UPFCdapat mempercepat settling time respon variasi frekuensi dan responvariasi sudut rotor ketika terjadi gangguan hubung singkat.
3. Penerapan Interval Type2 Fuzzy Logic dapat mempercepat settling timerespon frekuensi PLTU Suralaya sebesar 3.6 detik dibandingmenggunakan fuzzy tipe 1.
4. Penerapan Interval Type2 Fuzzy Logic juga dapat mempercepat settling time respon sudut rotor PLTU Suralaya sebesar 3.4 detik dibandingmenggunakan fuzzy tipe 1.
SARAN
1. Optimisasi Parameter waktu UPFC dapat dilakukan dengan metode kecerdasan buatan, sehingga diperoleh parameter UPFC yang lebih optimal.
2. Optimisasi parameter waktu UPFC dapat dilakukan secara bersamaan dengan proses koordinasi gain UPFC menggunakan Fuzzy.
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