Universal Power Quality Conditioner (UnPQC) for Enhancing the Power Quality in Distribution System
Abstract
This paper proposes a novel custom power device (CPD), called a Universal Power Quality Conditioner (UnPQC), whichenhanced the quality of power in a distribution system. UnPQC consists of shunt and series compensators without a commonDC link. The series compensator of the presented system, also known as Transformerless Dynamic Voltage Restorer (TDVR),eliminates power quality problems related to voltage without utilizing any injecting transformer. The shunt compensator of theproposed system consists of an improved DSTATCOM (Distribution Static Compensator) topology, which mitigates the currentharmonics originating from the nonlinear loads with a reduced DC link voltage. UnPQC is more suitable for applications whereweight and size of the CPDs are critical factors. A simulation was carried out to verify and validate the performance of theUnPQC and the results demonstrate superior performance in minimizing voltage and current related power quality problems.References
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Performance evaluation of fpga-controlled dstatcom for load compensation,
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power-quality conditioner based on a current-source topology, IEEE
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filter for harmonic and reactive power compensation, IEEE Transactions
on Power Electronics 29 (7) (2013) 3563–3572.
[19] B. Li, S. Choi, D. Vilathgamuwa, Transformerless dynamic voltage
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149 (3) (2002) 263–273.
[20] K. Venkatraman, S. Moorthi, M. Selvan, Modelling and control of
transformer-less universal power quality conditioner (tunpqc): An effective
solution for power quality enhancement in distribution system, Journal of Control, Automation and Electrical Systems 28 (1) (2017)
123–134.
[21] S. B. Karanki, N. Geddada, M. K. Mishra, B. K. Kumar, A dstatcom
topology with reduced dc-link voltage rating for load compensation with
nonstiff source, IEEE Transactions on Power Electronics 27 (3) (2011)
1201–1211.
[22] I. Nagrath, M. Gopal, Control Systems Engineering, Halsted, NewYork,
USA, 1982, Ch. 11, pp. 518–519.
[23] O. Kukrer, Discrete-time current control of voltage-fed three-phase
pwm inverters, IEEE Transactions on Power Electronics 11 (2) (1996)
260–269.
[24] J. Rodriguez, J. Pontt, C. A. Silva, P. Correa, P. Lezana, P. Cortés,
U. Ammann, Predictive current control of a voltage source inverter,
IEEE transactions on industrial electronics 54 (1) (2007) 495–503.
[25] N. Mohan, T. M. Undeland, W. P. Robbins, Power electronics: converters,
applications, and design, John wiley & sons, New York, 2003.
power quality conditioner with kalman filters, IEEE Transactions on Industrial
Electronics 59 (11) (2012) 4248–4262.
[2] S. Ostroznik, P. Bajec, P. Zajec, A study of a hybrid filter, IEEE Transactions
on Industrial Electronics 57 (3) (2009) 935–942.
[3] A. Dheepanchakkravarthy, K. Venkatraman, M. Selvan, S. Moorthi,
M. Venkata Kirthiga, Capability evaluation of four-leg dstatcom for compensating
multifarious loads, Australian Journal of Electrical and Electronics
Engineering 13 (4) (2016) 229–243.
[4] A. Ghosh, G. Ledwich, Power quality enhancement using custom
power devices, Kluwer Publications, 2002.
[5] P. Kanjiya, B. Singh, A. Chandra, K. Al-Haddad, “srf theory revisited”
to control self-supported dynamic voltage restorer (dvr) for unbalanced
and nonlinear loads, IEEE transactions on industry applications 49 (5)
(2013) 2330–2340.
[6] M. Moradlou, H. R. Karshenas, Design strategy for optimum rating
selection of interline dvr, IEEE transactions on power delivery 26 (1)
(2010) 242–249.
[7] P. Jayaprakash, B. Singh, D. Kothari, A. Chandra, K. Al-Haddad, Control
of reduced-rating dynamic voltage restorer with a battery energy
storage system, IEEE transactions on industry applications 50 (2)
(2013) 1295–1303.
[8] V. Kandadai, S. M. Parvathy, M. Sridharan, R. Pitchaimuthu, D. Kurup,
Predictive current control of dstatcom for var compensation of grid
connected wind farms, Journal of Renewable and Sustainable Energy
9 (2) (2017) 023301.
[9] K. Venkatraman, M. P. Selvan, S. Moorthi, Predictive current control
of distribution static compensator for load compensation in distribution
system, IET Generation, Transmission & Distribution 10 (10) (2016)
2410–2423.
[10] S. R. Arya, B. Singh, Implementation of distribution static compensator
for power quality enhancement using learning vector quantisation, IET
Generation, Transmission & Distribution 7 (11) (2013) 1244–1252.
[11] V. Khadkikar, Enhancing electric power quality using upqc: A comprehensive
overview, IEEE transactions on Power Electronics 27 (5)
(2011) 2284–2297.
[12] V. Kandadai, M. Sridharan, S. M. Parvathy, R. Pitchaimuthu, D. Kurup,
Performance evaluation of fpga-controlled dstatcom for load compensation,
Arabian Journal for Science and Engineering 41 (9) (2016)
3355–3367.
[13] P. E. Melín, J. R. Espinoza, L. A. Morán, J. R. Rodriguez, V. M. Cardenas,
C. R. Baier, J. A. Muñoz, Analysis, design and control of a unified
power-quality conditioner based on a current-source topology, IEEE
transactions on power delivery 27 (4) (2012) 1727–1736.
[14] M. Brenna, R. Faranda, E. Tironi, A new proposal for power quality and
custom power improvement: Open upqc, IEEE Transactions on Power
Delivery 24 (4) (2009) 2107–2116.
[15] O. Suter, M. Buschmann, G. Linhofer, P. Maibach, Voltage source converter
based power quality solutions, in: Asia Pacific Regional Power
Quality Seminar, Malaysia, 2005.
[16] S. B. Karanki, N. Geddada, M. K. Mishra, B. K. Kumar, A modified
three-phase four-wire upqc topology with reduced dc-link voltage rating,
IEEE transactions on industrial electronics 60 (9) (2012) 3555–
3566.
[17] A. Teke, M. E. Meral, M. U. Cuma, M. Tümay, K. Ç. Bayindir, Open unified
power quality conditioner with control based on enhanced phase
locked loop, IET Generation, Transmission & Distribution 7 (3) (2013)
254–264.
[18] W. R. N. Santos, E. R. C. da Silva, C. B. Jacobina, E. de Moura Fernandes,
A. C. Oliveira, R. R. Matias, D. F. Guedes Filho, O. M. Almeida,
P. M. Santos, The transformerless single-phase universal active power
filter for harmonic and reactive power compensation, IEEE Transactions
on Power Electronics 29 (7) (2013) 3563–3572.
[19] B. Li, S. Choi, D. Vilathgamuwa, Transformerless dynamic voltage
restorer, IEE Proceedings-Generation, Transmission and Distribution
149 (3) (2002) 263–273.
[20] K. Venkatraman, S. Moorthi, M. Selvan, Modelling and control of
transformer-less universal power quality conditioner (tunpqc): An effective
solution for power quality enhancement in distribution system, Journal of Control, Automation and Electrical Systems 28 (1) (2017)
123–134.
[21] S. B. Karanki, N. Geddada, M. K. Mishra, B. K. Kumar, A dstatcom
topology with reduced dc-link voltage rating for load compensation with
nonstiff source, IEEE Transactions on Power Electronics 27 (3) (2011)
1201–1211.
[22] I. Nagrath, M. Gopal, Control Systems Engineering, Halsted, NewYork,
USA, 1982, Ch. 11, pp. 518–519.
[23] O. Kukrer, Discrete-time current control of voltage-fed three-phase
pwm inverters, IEEE Transactions on Power Electronics 11 (2) (1996)
260–269.
[24] J. Rodriguez, J. Pontt, C. A. Silva, P. Correa, P. Lezana, P. Cortés,
U. Ammann, Predictive current control of a voltage source inverter,
IEEE transactions on industrial electronics 54 (1) (2007) 495–503.
[25] N. Mohan, T. M. Undeland, W. P. Robbins, Power electronics: converters,
applications, and design, John wiley & sons, New York, 2003.
Published
2019-09-21
How to Cite
VENKATRAMAN, K et al.
Universal Power Quality Conditioner (UnPQC) for Enhancing the Power Quality in Distribution System.
Journal of Power Technologies, [S.l.], v. 99, n. 3, p. 195–203, sep. 2019.
ISSN 2083-4195.
Available at: <https://papers.itc.pw.edu.pl/index.php/JPT/article/view/1591>. Date accessed: 05 nov. 2024.
Issue
Section
Electrical Engineering
Keywords
iDSTATCOM, Power Quality, TDVR, UPQC, UnPQC
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