OVERVIEW OF METHODS FOR SYNCHRONIZING WITH THE POWER GIRD (PLL) FOR POWER CONVERTERS


Abstract

This paper deals with crucial aspect of synchronizing power converters connected to the utility grid. Today, many components of Distributed Power Generation Systems (DPGS), such as Flexible Alternating Current Transmission Systems (FACTS), traction applications and power line conditioners containing power converters, have an important demand for optimized synchronization algorithms. It should be noted that also Transmission System Operator have specific requirements for synchronization with the grid. One of the possible ways to achieve a good performance in terms of synchronization is to use a Phase Locked Loop algorithm (PLL). This paper shows the results of investigation on different PLL methods, explaining how they work along with a summary describing their features, possibilities and drawbacks. In the end the impact of voltage unbalances and harmonics on synchronization algorithms is analyzed. The PLL methods were evaluate by the means of simulations.


Keywords

Phase-Locked Loop (PLL); harmonics; voltage unbalance; distribution systems; power converters; grid codes

Akagi H., Kim H., The Instantaneous Power Theory on rotating p-q-r Reference Frames, IEEE International Conference on Power Electronics and Drive Systems, PEDS’99, July 1999, Hong Kong.

Bergas J., Boroyevich D., Burgos R.P., Candela J.I., Pou J., Rodriguez P., Decoupled double synchronous reference frame PLL for power converters control, IEEE Trans. Power Electron., vol. 22, no. 2, pp. 584–592, Mar. 2007

Blaabjerg, F. Ciobotaru M., Teodorescu R., A New Single-Phase PLL Structure Based on Second Order Generalized Integrator, Power Electronics Specialized Conference 2006, PESC’06, 37th IEEE 18-22 June 2006.

Blaabjerg, F., Ciobotaru M. Teodorescu, R.; ed. (1996). A New Single-Phase PLL Structure Based on Second Order Generalized Integrator Power Electronics Specialists Conference, 2006. PESC’06. 37th IEEE 18-22 June 2006 Page(s):1 – 6.

Blaabjerg, F., Liserre, M., Timbus A., Teodorescu R.; Synchronization Methods for Three Phase Distributed Power Generation Systems. An Overview and Evaluation, Power Electronics Specialists Conference, 2005. PESC ’05. IEEE 36th 16-16 June 2005.

Guocheng S., Weiyang W., Xiaofeng S., Xiaoqiang G., Phase Locked Loop for electrically-interfaced converters in distributed utility networks, in Proceedings of International Conference on Electrical Machines and Systems (ICEMS 2008), Oct.17-20 2008, pp. 2346–2350.

Levine W. S., ed. (1996). The Control Handbook. New York: CRC Press. ISBN 978-0-8493-8570-4.

Instrukcja Ruchu i Eksploatacji Sieci Przesyłowej – IRiESP, PSE Operator,1-10-2011.

ENTSO-E Draft Network Code for Requirements for Grid Connection applicable to all Generators, European Network of Transmission System Operators for Electricity, 24 January 2012 http://www.entsoe.eu.


Published : 2013-05-16


Lipnicki, P. (2013). OVERVIEW OF METHODS FOR SYNCHRONIZING WITH THE POWER GIRD (PLL) FOR POWER CONVERTERS. Informatyka, Automatyka, Pomiary W Gospodarce I Ochronie Środowiska, 3(2), 5-8. https://doi.org/10.35784/iapgos.1444

Piotr Lipnicki  Piotr.Lipnicki86@gmail.com
Lublin University of Technology, Electrical Engineering and Computer Science Faculty  Poland