Protection scheme based on non communicating relays deployed on MV distribution grid

This work is related to protection systems on MV distribution networks. Most of these grids are currently protected by a single relay installed at the beginning of each feeder. The Smart Grids transition is more and more essential for the future grids willing to attain a higher reliability, accessibility and enhance a sustainable development of the society. These more complex grids with Distributed Generation (DG) interconnection could require a more complex protection system to achieve high quality service and enhance the grid stability. This work proposes non communicating, distributed distance protective relays for MV radial networks. These deployed relays would divide the feeder in smaller protected areas leading to shorter outage occurrence and duration for loads and producers. The system would also benefit of a communications free protection scheme, making it more reliable thanks to the independency of the relays. The proposed method was tested on most types of grids with overhead lines, cables and a mix of both, for several different neutral groundings of the HV/MV substation and with or without DG existence.

[1]  Jinfu Chen,et al.  Penetration level optimization for DG considering reliable action of relay protection device constrains , 2009, 2009 International Conference on Sustainable Power Generation and Supply.

[2]  M.T. Doyle,et al.  Reviewing the impacts of distributed generation on distribution system protection , 2002, IEEE Power Engineering Society Summer Meeting,.

[3]  Siemens Aktiengesellschaft,et al.  Numerical Distance Protection: Principles and Applications , 1999 .

[4]  John J Novak,et al.  Better, Faster, and More Economical Integrated Protective Relaying and Control Using Digital Bits and Logic , 2010, IEEE Transactions on Industry Applications.

[5]  A. Yokoyama,et al.  Impact of protection coordination on sizes of several distributed generation sources , 2005, 2005 International Power Engineering Conference.

[6]  S. Subramanian,et al.  Detection of high impedance fault in MV distribution system , 2012 .

[7]  Vijay S. Kale,et al.  Optimum Coordination of Overcurrent Relays in Distribution System Using Dual Simplex Method , 2009, 2009 Second International Conference on Emerging Trends in Engineering & Technology.

[8]  Israel Olguin Carbajal,et al.  An electric energy distribution systems protection microprocessor based relay , 2009, 2009 52nd IEEE International Midwest Symposium on Circuits and Systems.

[9]  Johann Jäger,et al.  New protection co-ordination methods in the presence of distributed generation , 2004 .

[10]  R. Caire,et al.  MV distribution protection schemes to reduce customers and DGs interruptions , 2011, 2011 IEEE Trondheim PowerTech.

[11]  Kimmo Kauhaniemi,et al.  Impact of distributed generation on the protection of distribution networks , 2004 .

[12]  M.-R. Haghifam,et al.  Protection of distribution networks in presence of DG using Distribution Automation System capabilities , 2008, 2008 IEEE Power and Energy Society General Meeting - Conversion and Delivery of Electrical Energy in the 21st Century.

[13]  J.J. Novak,et al.  Better, faster, and more economical integrated protective relaying and control using digital bits and logic , 2008, 2008 55th IEEE Petroleum and Chemical Industry Technical Conference.