Enhancement of Transient Stability of Multimachine System Using TCSC, SSSC and UPFC

Lokesh Garg; S. K. Agarwal; Vivek Kumar

doi:10.1007/978-981-10-5903-2_39

Intelligent Communication, Control and Devices pp 381-391 | Cite as

Enhancement of Transient Stability of Multimachine System Using TCSC, SSSC and UPFC

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Authors and affiliations

Lokesh GargEmail author
S. K. Agarwal
Vivek Kumar

Conference paper

First Online: 11 April 2018

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Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 624)

Abstract

This paper presents the transient stability enhancement of a multimachine system using series FACTS controllers. Series FACTS controller devices, i.e. TCSC, SSSC and UPFC, have been used in this paper for enhancing the transient stability of the system. Time-domain simulations are carried on PSAT (power system analysis tool box). The simulation results demonstrate that transient stability improves commendably of the multimachine system by using TCSC, SSSC and UPFC. Eigen value analysis also has been done during prefault condition, fault condition and with series FACTS controllers, i.e. TCSC, SSSC and UPFC. It also been observed that UPFC gives better transient stability enhancement as compared to TCSC and SSSC.

Keywords

Power system Power system analysis tool box Unified power flow controller Static synchronous series compensator Transient stability Multimachine system

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Appendix 1

Generator data
	GEN 1	GEN 2	GEN 3
MVA	100	100	100
kV	18	16.5	13.8
Hz	60	60	60
R_a (p.u.)	0.00	0.00	0.00
X_L (p.u.)	0.00	0.00	0.00
X_d (p.u.)	0.8958	0.1460	1.3125
\( X_{\text{d}}^{\prime } \; ( {\text{p}} . {\text{u}} . ) \)	0.1198	0.0608	0.1813
\( X_{\text{d}}^{\prime \prime } \;({\text{p}} . {\text{u}} .) \)	0.0000	0.0000	0.0000

Transformer data
Bus no.	No. of i/p	No. of o/p	Voltage (kV)	Voltage (p.u.)	Angle (rad)
1	2	1	16.5	1.0	0.0
2	2	1	18	1.0	0.0
3	2	1	13.8	1.0	0.0
4	2	1	230	1.0	0.0
5	1	2	230	1.0	0.0
6	1	2	230	1.0	0.0
7	1	2	230	1.0	0.0
8	2	1	230	1.0	0.0
9	1	2	230	1.0	0.0

Line data
Line no.	From bus	To bus	Line impedance (p.u.)		Half line charging susceptance B/2 (p.u.)	MVA
Line no.	From bus	To bus	R (p.u.)	X (p.u.)	Half line charging susceptance B/2 (p.u.)	MVA
1	4	5	0.01	0.085	0.0880	100
2	4	6	0.017	0.092	0.0790	100
3	5	7	0.032	0.161	0.1530	100
4	7	8	0.0085	0.072	0.7450	100
5	8	9	0.0119	0.1008	0.1045	100
6	6	9	0.039	0.170	0.1790	100

Appendix 2

Eigen value analysis
S. No.	Prefault condition	Fault condition	With TCSC	With SSSC	With UPFC
1	−1000 + j0	−1000 + j0	−1000 + j0	−1000 + j0	−1000 + j0
2	−1000 + j0	−1000 + j0	−1000 + j0	−1000 + j0	−1000 + j0
3	−1000 + j0	−1000 + j0	−1000 + j0	−1000 + j0	−1000 + j0
4	−0.720 + 12.745	−0.700 + j12.763	−0.740 + j1.267	−0.715 + j2.750	−0.711 + j12.758
5	−0.720 − j12.745	−0.700 − j12.763	−0.740 − j1.267	−0.715 − j2.750	−0.711 − j12.758
6	−0.190 + j8.365	−0.1534 + j8.290	−0.109 + j7.391	−0.1625 + j8.384	−0.1624 + j8.39
7	−0.190 − j 8.365	−0.1534 − j8.290	−0.109 − j7.391	−0.1625 − j8.384	−0.1624 − j8.39
8	−5.487 + j7.947	−5.4897 + j7.95	−5.552 + j7.982	−5.498 + j7.95	−5.4943 + j7.951
9	−5.487 − j7.947	−5.4897 − j7.95	−5.552 − j7.982	−5.498 − j7.95	−5.4943 − j7.951
10	−5.222 + j7.813	−5.2315 + j7.842	−5.225 + j7.844	−5.236 + j7.844	−5.2366 + j7.847
11	−5.222 − j7.813	−5.2315 − j7.842	−5.225 − j7.844	−5.236 − j7.844	−5.2366 − j7.847
12	−5.323 + j7.920	−5.330 + j7.927	−5.339 + j7.923	−5.33 + j7.927	−5.3345 + j7.927
13	−5.323 − j7.920	−5.330 − j7.927	−5.339 − j7.923	−5.33 − j7.927	−5.3345 − j7.927
14	−5.178 + j0	−5.1804 + j0	−5.006 + j0	−5.162 + j0	−5.1737 + j0
15	−3.3996 + j0	−3.558 + j0	−3.431 + j0	−3.5762 + j0	−3.5744 + j0
16	−0.443 + j1.211	0.00125 + j1.083	−0.485 + j1.079	−4767 + j1.078	−0.4760 + j1.078
17	−0.443 − j1.211	0.00125 − j1.083	−0.485 − j1.079	−0.476 − j1.078	−0.4760 − j1.078
18	−0.439 + j0.7394	−0.445 + j0.732	−0.462 + j0.814	−0.445 + j0.7262	−0.4445 + j0.7264
19	−0.439 − j0.7394	−0.445 − j0.732	−0.462 − j0.814	−0.445 − j0.7262	−0.4445 − j0.7264
20	−0.425 + j0.496	−0.425 + j0.493	−0.442 + j0.515	−0.429 + j0.498	−0.4283 + j0.497
21	−0.425 − j0.496	−0.425 − j0.493	−0.4428 − j0.515	−0.429 − j0.498	−0.4283 − j0.497
22	0 + j0	0 + j0	0 + j0	0 + j0	0 + j0
23	0 + j0	0 + j0	0 + j0	0 + j0	−10 + j0
24	−3.225 + j0	−3.225 + j0	−3.2258 + j0	−3.2258 + j0	−3.2258 + j0
25	–	–	−2 + j0	–	−10 + j0
26	–	–	0 + j0	–	−10 + j0
27	–	–	–	–	−10 + j0

FACTS controller data
	TCSC	SSSC	UPFC
MVA	100	100	100
kV	230	230	230
HZ	60	60	60
Operating mode	Constant power	Constant reactance	Constant reactance
% Series compensation	30	30	30
Gain K_r (p.u.)	–	–	1.0
Time constant (s)	0.5	12	0.1
V_p Max	–	0.1	0.05
V_p Min	–	0.02	0.01
V_q Max	–	–	0.02
V_q Min	–	–	0.01
I_q Max	–	–	0.1
I_q Max	–	–	0.02
Xc (max.)	0.5	–	–
Xc (min.)	−0.5	–	–
K _p	5	–	–
K _i	1	–	–
Gain for stabilizing signal (K_r)	10	–	–

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Authors and Affiliations

Lokesh Garg
- 1
Email author
S. K. Agarwal
- 2
Vivek Kumar
- 3

1.YMCAUSTFaridabadIndia
2.Department of ECEFaridabadIndia
3.Department of CSEDCTMPalwalIndia

Enhancement of Transient Stability of Multimachine System Using TCSC, SSSC and UPFC

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