LIST OF PUBLICATIONS

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1 Associate professor, Dr. Tech. Kari Kannus (8) LIST OF PUBLICATIONS 1. Refereed articles in international scientific journals 1.1. Kannus, K., Lehtio, A., Lakervi, E., Radio and TV interference caused by public 24 kv distribution networks. IEEE Transactions on Power Delivery, Vol. 6, No. 4, October pp Lahti, K., Kannus, K., Nousiainen, K., Behaviour of the DC-Leakage currents of polymeric metal oxide surge arresters in water penetration tests. IEEE Transactions on Power Delivery, Vol. 13, No. 2, April pp Kannus, K., Lahti, K., Nousiainen, K., AC and switching impulse performance of an ice-covered metal oxide surge arrester.. IEEE Transactions on Power Delivery, Vol. 13, No. 4, October pp Lahti, K., Kannus, K., Nousiainen, K., A comparison between the DC leakage currents of polymer housed metal oxide surge arresters in very humid ambient conditions and in water immersion tests. IEEE Transactions on Power Delivery, Vol. 14, No. 1, January pp Lahti, K., Kannus, K., Nousiainen, K., Diagnostic methods in revealing internal moisture in polymer housed metal oxide surge arresters. IEEE Transactions on Power Delivery, Vol. 17, No. 4, October pp Kannus, K. and Lahti, K., Evaluation of the operational condition and reliability of surge arresters used on medium voltage networks. IEEE Transactions on Power Delivery, Vol. 20, No. 2, April pp Salovaara, P., Takala, M., Kannus, K., Dielectric properties of polyaniline emeraldine base. International Review of Electrical Engineering (IREE), Vol.1, No. 4, September-October 2006, pp Takala, M., Salovaara, P., Keikko, T., Kannus, K., FEM modeling of polypropylene and PANI-EB layer structure. International Review of Electrical Engineering (IREE), Vol.1, No. 5, November-December pp Kannus, K., Lahti, K., Laboratory Investigations on the Electrical Performance of Icecovered Insulators and a Metal Oxide Surge Arrester, IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 14, No. 6, Dec pp

2 1.10. Takala, M., Karttunen, M., Salovaara, P., Kortet, S., Kannus, K., Kalliohaka, T., Dielectric Properties of Nanostructured Polypropylene-Polyhedral Oligomeric Silsesquioxane Compounds, IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 15, No. 1, Feb pp Ruuska, H., Arola, E., Kannus, K., Rantala, T., Valkealahti, S., Feasibility of Density Functional Methods to Predict Dielectric Properties of Polymers, The Journal of Chemical Physics, Issue 128, (2008), 12 p Marttila, M., Verho, P., Kannus, K., Overvoltage Protection Optimization of Medium Voltage Network. International Review of Electrical Engineering (IREE), Vol.3, No. 1, January-February pp Takala, M., Karttunen, M., Pelto, J., Salovaara, P., Munter, T., Honkanen, M., Auletta, T., Kannus, K., Thermal, Mechanical and Dielectric Properties of Nanostructured Epoxy-Polyhedral Oligomeric Silsesquioxane Composites, IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 15, No. 5, 2008, pp Takala, M., Ranta, H., Nevalainen, P., Pakonen, P., Pelto, J., Karttunen, M., Virtanen, S., Koivu, V., Pettersson, M., Sonerud, B. and Kannus, K., Dielectric Properties and Partial Discharge Endurance of Polypropylene-Silica Nanocomposite, IEEE Transactions on Dielectrics and Electrical Insulation, Vol.17, No. 4, 2010, pp Ruuska, H., Arola, E., Kortelainen, T., Rantala, T., Kannus, K., Valkealahti, S., A Density Functional Study on Dielectric Properties of Acrylic Acid Grafted Polypropylene, The Journal of Chemical Physics 134, (2011), 14 p. (in press) Refereed articles in international scientific conference proceedings 2.1 Kannus, K., Lakervi, E., Verkkonen, V., Dielectric strength of high voltage insulators in different weather conditions. Nordic Insulation Symposium Nord-IS 84. Gothenburg, Sveden, pp. 11: Kannus, K., Verkkonen, V., Lakervi, E., Effects of ice coating on the ac performance of medium voltage insulators. Nordic Insulation Symposium Nord-IS 86. Espoo, Finland, pp. 1: Verkkonen, V., Kannus, K., Lakervi E., Radio interference of medium voltage insulators and its reduction. Nordic Insulation Symposium Nord-IS 88. Trondheim, Norway, pp. 25: Lehtio, A., Kannus, K., Lakervi, E., Radio interference measurements of medium voltage. Nordic Insulation Symposium Nord-IS 90. Lyngby, Denmark, pp. 3.3: Pakonen, P., Lehtio, A., Kannus, K., The identification of discharge type by radio interference measurements. Nordic Insulation Symposium Nord-IS 92. Västerås, Sweden, pp. 7.8:1-10.

3 3 2.6 Lehtio, A., Pakonen, P., Kannus, K., Lakervi, E., Recognition of electrical discharges in SF 6 and atmospheric air by RFI measurements. Conference on Electrical Insulation and Dielectric Phenomena. Victoria, British Columbia, Canada, pp Kannus, K., Lehtio, A., Lakervi, E., Effects of environmental conditions on radio frequency interference caused by high voltage insulators. Eighth International Symposium on High Voltage Engineering. Yokohama, Japan, August pp Pakonen, P., Lehtio, A., Kannus, K., Lakervi, E., RFI measurements as a diagnostic technique for medium voltage transformers. IEE International Conference on Partial Discharge. Canterbury, UK, September pp Pakonen, P., Nikander, A., Kannus, K., RF, PD and leakage current measurements as a diagnostic technique for medium voltage equipment. Nordic Insulation Symposium Nord-IS 94. Vaasa, Finland, pp. 7.10: Kannus, K., Lahti, K., Nousiainen, K., Effects of low temperatures and temperature variations on metal oxide surge arresters. IEEE Power Tech Conference, Stockholm, Sweden, June pp Lahti, K., Kannus, K., Nousiainen, K., Heinrich, S., Water immersion tests on metal oxide surge arresters. Nordic Insulation Symposium Nord-IS 96. Bergen, Norway, June pp Kannus, K., Lahti, K., Nousiainen, K., Aspects of the performance of metal oxide surge arresters in different environmental conditions. 14th International Conference on Electricity Distribution CIRED 97, Birmingham, UK, June , paper 1.4.1, 5 p Lahti, K., Richter, B., Kannus, K., Nousiainen, K., Seal integrity tests on metal oxide surge arresters with polymeric housing, 10th International Symposium on High Voltage Engineering, Montreal, Canada, August , vol. 5, pp Lahti, K., Kannus, K., Nousiainen, K., DC-leakage current as a diagnostic method to analyse polymeric surge arresters suffering moisture ingress. The 16 th Nordic Insulation Symposium Nord-IS 99, Copenhagen, Denmark, June 14-16, 1999, pp Pakonen, P., Kannus, K., The effect of power line interference on TV picture and FM radio sound quality. The 16 th Nordic Insulation Symposium Nord-IS 99, Copenhagen, Denmark, June Kannus, K., Lahti, K., Nousiainen, K., Comparisons between experiments and calculations of the flashover voltages of ice-covered high voltage insulators. The 16 th Nordic Insulation Symposium Nord-IS 99, Copenhagen, Denmark, June 14-16,1999, pp Lahti, K., Richter, B., Kannus, K., Nousiainen, K., Internal degradation of polymer housed metal oxide surge arresters in very humid ambient conditions. The 11th International Symposium on High Voltage Engineering, London, UK, August , Vol. 2, pp

4 Kannus, K., Lahti, K., Nousiainen, K., Effects of impulse current stresses on the durability and protection performance of metal oxide surge arresters. The 11th International Symposium on High Voltage Engineering, London, UK, August , Vol. 2, pp Lahti, K., Pakonen, P., Kannus, K., Nousiainen, K., Possibilities to reveal internal moisture in polymeric metal oxide surge arresters by means of PD and EMR measurements. IEEE Power Tech 99 Conference, Budabest, Hungary, Aug 29 Sept 2, 1999, 6 p Kannus, K., Lahti, K., Yli-Äyhö, S., Evaluation of the operational condition and reliability of metal oxide surge arresters used on medium voltage networks. Proceedings of the 17 th Nordic Insulation Symposium (NORD-IS 01), Stockholm, Sweden, June 11-13,2001, pp Lahti, K.. Pakonen, P., Kannus, K., Nousiainen, K., The durability and performance of polymer housed metal oxide surge arresters under impulse current stresses. Proceedings of the CIRED 2001 Conference, Amsterdam, NL, June 18-21, 2001, IEE Conference Publication No 482, 1.35, 5 p Lahti, K., Kannus, K., Nousiainen, K., Moisture ingress testing of polymer housed metal oxide surge arresters under impulse current stresses. Proceedings of the 12 th International Symposium on High Voltage Engineering (ISH 2001), Bangalore, India, August 20-24, 2001, Volume-3, pp Kannus, K. and Lahti, K., Possible failure tendency of metal oxide surge arresters with internal air space. Proceedings of the 12 th International Symposium on High Voltage Engineering (ISH 2001), Bangalore, India, August 20-24, 2001, Volume- 1, pp Lahti, K., Kannus, K., Nousiainen, K., Behaviour of internal leakage currents of polymer housed surge arresters suffering internal moisture problems. The 9 th International Electrical Insulation Conference (INSUCON), Berlin Germany, June 18-20, 2002, pp Kannus, K., Suomi H., Peltonen, H., Järvelä, P., New kind of a disconnector for medium voltage surge arresters. Proceedings of the 18 th Nordic Insulation Symposium (NORD-IS 03), Tampere, Finland, June 11-13,2003, pp Kannus, K., Harju, P., Lahti, K., Pelto, J. and Paajanen, M., Electrical Properties of Polypropylene and Polyaniline Compounds. 8 th IEEE International Conference on Solid Dielectrics (ICSD 2004), Toulouse, France, July 5-9, Paper 1P-7. 4 p Pelto, J., Paajanen, M., Kannus, K., Lahti, K. and Harju, P., Nonlinear DC Voltage- Current Characteristics of New Polymeric Composite Materials Based on Semiconductive Polyaniline Emeraldine Base. 8 th IEEE International Conference on Solid Dielectrics (ICSD 2004), Toulouse, France, July 5-9, Paper 7P-8. 4 p.

5 2.28 Richter, B., Schmidt, W., Kannus, K., Lahti, K., Hinrichsen, V., Neumann, C., Petrusch, W., Steinfeldt, K., Long Term Performance of Polymer Housed MO- Surge Arresters. Proceedings of CIGRE Session 2004, Paris, France, August 29 - September 3, Paper A p Pelto, J., Salovaara, P., Paajanen, M., Kannus, K., Toivonen M., Lahti, K., Current Pulse Handling Properties of Silicone Resin Filled with Conductive and Semiconductive Particles. Proceedings of the 19 th Nordic Insulation Symposium (NORD- IS 05), Trondheim, Norway, June 13-15, 2005, pp Salovaara, P., Kannus, K., Pelto, J., The Effects of Ceresine Wax on the Electrical Properties of Polypropylene. Proceedings of the 19 th Nordic Insulation Symposium (NORD-IS 05), Trondheim, Norway, June 13-15, 2005, pp Takala, M., Kannus, K., Lahti, K., Salovaara, P., Water Permeability of LDPE, PP, PEN and Silicone Rubber Films Under Combined Humidity and Electric DC-Field Stresses. Proceedings of the 19 th Nordic Insulation Symposium (NORD-IS 05), Trondheim, Norway, June 13-15, 2005, pp Salovaara, P., Kannus, K., Increasing the dielectric breakdown strength of polypropylene using polyaniline additive. Proceedings of the IASTED-conference on Energy and Power Systems, March 29-31, 2006, Chiang Mai, Thailand, pp Salovaara, P., Takala, M., Kannus, K., Effect of film thickness on the electrical strength of polypropylene compounds. INSUCON 2006, Proceedings of the 10th Insucon International Conference, May, 2006, Birmingham, UK, pp Verho, P., Marttila, M., Kannus, K., Pylvänäinen, J., Pouttu, M., Optimization of overvoltage protection of distribution networks. Proceedings of the CIRED 2007 Conference, Vienna, Austria, May 21-24, 2007, Paper No 0616, 4 p Takala, M., Kortet, S., Salovaara, P., Karttunen, M., Kannus, K., AC Breakdown Strength of Polypropylene-Calcium Carbonate Compounds, Nordic Insulation Symposium, Nord-IS 07, Lyngby, Denmark, June 2007, pp Linnamaa, L., Kannus, K., Effects of Polyhedral Oligomeric Silsesquioxanes on Partial Discharge Endurance and Electrical Properties of XLPE, Nordic Insulation Symposium, Nord-IS 07, Lyngby, Denmark, June 2007, pp Takala, M., Sallinen, T., Nevalainen, P., Pelto, J., Kannus, K., Surface Degradation of Nanostructured Polypropylene Compounds Caused by Partial Discharges, IEEE International Symposium on Electrical Insulation, Vancouver, Canada, June 8-11, 2008, pp Ranta, H., Kannus, K., Effect of electrical aging on AC breakdown strength of polypropylene nanocompounds. Proceedings of the 21st Nordic Insulation Symposium NORD-IS 09,June 15-17, 2009, Gothenburg, Sweden pp Takala, M. Ranta, H., Pelto, J., Virtanen, S., Koivu, V., Pettersson, M. and Kannus, K., Dielectric Properties of Polypropylene-Silica Nanocomposites, 21 st Nordic Insulation Symposium, NORD-IS 09, Gothenburg, Sweden, June 15-17, 2009, pp

6 2.41 M. Takala, B. Sonerud, H. Ranta, J. Pelto, S. Ahonen, M. Pettersson and K. Kannus, Effect of Low Amount of Nanosilica on Dielectric Properties of Polypropylene, Proceedings of IEEE International Conference on Solid Dielectrics (ICSD 2010), Potsdam, Germany, July 4-9, 2010, pp Patents 3.1. Kannus, K., Lahti, K., Suomi, H., Peltonen, H., Järvelä, P., Ylijännitesuojan erotuslaite (Disconnection device for a surge arrester). Patenttijulkaisu FI B. Patentti- ja rekisterihallitus, Helsinki s.+liites. (in Finnish). 4. Scientific monographs 4.1. Kannus, K., Investigation of the applications of the climate room of the high voltage laboratory at Tampere University of Technology. Tampere University of Technology, Department of Electrical Engineering. Diploma thesis. Tampere p. (in Finnish) 4.2. Kannus, K., AC Performance of Ice Covered High Voltage Insulators. Tampere University of Technology, Department of Electrical Engineering. Licentiate thesis. Tampere p. (in Finnish) 4.3. Kannus, K., Aspects of the electrical performance of high voltage insulators and metal oxide surge arresters under various environmental stresses. Thesis for the degree of Doctor of Technology. Tampere University of Technology, Publications 229. Tampere p. 5. Other international scientific publications 5.1 Kannus, K., Verkkonen, V., Effects of ice coating on the dielectric strength of high voltage insulators. Fourth International Conference on Atmospheric Icing of Structures. Paris, France, pp Lehtio, A., Pakonen, P., Kannus, K., Lakervi, E., New site diagnostic methods for high voltage networks. 27th Universities Power Engineering Conference. University of Bath, UK, pp Keränen, J., Kannus, K., Lehtinen, P., Kuokkala, V.-T., Degradation and failure analysis of ZnO varistors in subarctic environment. Ceramic Materials '95, Gothenburg, Sweden, June p Kannus, K., Lahti, K., Nousiainen, K., Comparisons between experiments and calculations of the electrical behaviour of ice-covered high voltage insulators. The Eighth International Workshop on Atmospheric Icing of Structures. Reykjavik, Iceland, June pp Kannus, K., Lahti, K., Electrical behaviour of high voltage insulator strings under rime ice. Proceedings of the Ninth International Workshop on Atmospheric Icing of Structures. Chester, UK, June 5-8, p.

7 7 5.6 Lahti, K., Kannus, K., Nousiainen, K., Aspects of the electrical behaviour of ice or frost covered high voltage equipment. Kitami Institute of Technology 40 th Anniversary International Symposium, Kitami, Japan, June 8-9, 2000, pp Ruuska, H., Arola, E., Kannus, K., Valkealahti, S., Rantala, T., Computational studies on electronic and dielectric properties of polymer compounds. In: Kauranen, M. et al. (eds). Proceedings of the XL Annual Conference of the Finnish Physical Society, 9-11 March, 2006, Tampere, Finland. Tampere University of Technology. Institute of Physics. Report. 3 p. 5.8 Marttila, M., Verho, P., Stranden, J., Kannus, K., Aspects on Possibilities to Develop Weather-Proof Distribution Network, The 8 th Nordic Electriricity Distribution and Asset Management Conference, NORDAC 2008, Bergen, Norway, 8-9 September 2008, 11 p. 5.9 E. Arola, H. Ruuska, T. Kortelainen, T. T. Rantala, K. Kannus and S. Valkealahti, Dielectric Properties of Acrylic Acid Grafted Polypropylene from First-Principles Calculations, Nordic Polymer Days 2010, , Helsinki, 1 p Kortelainen, T., Arola, E., Ahonen, S., Virtanen, S., Pelto, J., Kannus, K. and Pettersson, M., Raman spectroscopical studies of crystalline octamethylsilsesquioxane (CH3)8Si8O12 in polypropylene matrix, Nordic Polymer Days 2010, , Helsinki,1 p. 6. National scientific publications (in Finnish) 6.1 Kannus, K., Verkkonen, V., Ilman lämpötilan ja kosteuden vaikutus keskijänniteverkossa käytettävien ulosasennettavien eristimien vaihtojännitelujuuteen. TTKK- SVT, raportti Tampere s. 6.2 Kannus, K, Lakervi, E., Verkkonen, V., Lautaseristinketjujen sähkötekninen käyttäytyminen huurteisissa oloissa. TTKK-SVT, raportti Tampere s. 6.3 Kannus, K., Verkkonen, V., Jääpeitteen vaikutus keskijänniteverkossa käytettävien eristimien vaihtojännitelujuuteen. TTKK-SVT, raportti Tampere s. 6.4 Kannus, K., Verkkonen, V., Keskijännite-eristimien aiheuttamat radiohäiriöt ja niiden pienentäminen. TTKK-SVT, raportti Tampere s. 6.5 Kannus, K., Keskijännite-eristimien käyttöominaisuudet. Tampereen teknillisen korkeakoulun täydennyskoulutuskurssi "Sähkövoima-alan uudet tekniikat", Tampere , Tampere. 6.6 Moisio, M., Pakonen, P., Kannus, K., Lehtio, A., Kipinä- ja koronapurkauksien aiheuttamien radiohäiriöiden ominaisuuksien määrittäminen spektrianalysaattorimittausten avulla. TTKK-SEJ, raportti Tampere s. 6.7 Kannus, K., Ympäristörasitusten vaikutukset metallioksidiylijännitesuojiin. TTKK- SEJ, esitutkimusraportti. Tampere s.

8 6.8 Kannus, K., Lakervi, E., Verkkonen, V., Keskijännite-eristimien vaihtojännitelujuus eri ympäristöoloissa. Sähkö-Tele, nro 7-8, s Lehtio, A., Kannus, K., Keskijänniteverkkojen aiheuttamat radio- ja televisiohäiriöt, Amppeeri & Digitaali, nro 6/1991, s (osa 1), nro 7/1991, s (osa 2) Kannus, K., Nousiainen, K., Lahti, K., Pakonen, P., Nikander, A., Metallioksidisuojien käyttöön ja kestävyyteen liittyviä näkökohtia, TTKK-SEJ, raportti 12-96, Tampere s Nousiainen, K., Kannus, K., Metallioksidisuojat Suomen keskijänniteverkoissa. Sähkö-Tele, nro 4, s Kannus,K., Metallioksidiylijännitesuojille suoritettuja tutkimuksia, Sähkönjakeluverkon maadoitukset ja ylijännitesuojaus, Adato Energia Oy, Jyväskylä, s Nousiainen, K., Kannus, K., Keskijänniteverkkojen suurjännitekomponentteihin kohdistuvat rasitukset ja sovellettavissa olevat kunnonvalvontamenetelmät, TESLAraportti nro 11/99, Tampereen teknillinen korkeakoulu, 1999, 60 s Kannus, K., Ylijännitesuojien kunnonhallinta. Käyttöpäivät 2000, Adato Energia Oy, Tampere, s Kannus, K., Keskijänniteverkkojen ukkossuojaus Suomessa taustaa ja nykytilanne. Salamat ja sähköverkkojen ukkossuojaus seminaarijulkaisu, Tampereen teknillinen korkeakoulu, Sähköverkkotekniikka, Tampere, , 15 s Kannus, K., Keskijänniteverkkojen ylijännitesuojaus. Seminaarijulkaisu. Tampereen teknillinen yliopisto, Sähkövoimatekniikka, Tampere, , 20 s Kannus, K., Ukkosylijännitteet ja ylijännitesuojaus. Sähkönjakeluverkkojen hallinnan uudet menetelmät -seminaari. Tampereen teknillinen yliopisto, Sähkövoimatekniikka, Tampere, , 20 s. 8

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