Rīgas Tehniskā universitāte
Section «Power and Electrical Engineering»
Subsection «Power Engineering»
Subsection «Computerised Electrical Technologies»
Subsection «Electrical Engineering»
Subsection «Power and Electrical Engineering»
Section «Environmental Engineering»
14 October 2010, at 9.00,
Faculty of Power and Electrical Engineering,
Kronvalda blv. 1, room 21
Scientific Committee:
A. Bačauskas, Dr. sc. ing., KTU, Lithuania
L. Boroņina, Dr. sc. ing., STU, Russia
V. Bražis, Dr. sc. ing., RTU, Latvia
M. Budahs, M. sc., Latvenergo, Latvia
V. Čuvičins, Dr. habil. sc. ing., RTU, Latvia
R. Deksnis, Dr. sc. ing., KTU, Lithuania
J. Dirba, Dr. sc. ing., RTU Latvia
J. Ekmanis, Dr. habil. phys., FEI, Latvia
I. Galkins, Dr. sc. ing., RTU, Latvia
J. Gerhards, Dr. sc. ing., RTU, Latvia
J. Greivulis, Dr. habil. sc. ing., RTU, Latvia
K. Ketners, Dr. sc. ing., RTU, Latvia
M. Kolcun, Dr. sc. ing., TUK, Slovakia
V. Krēsliņš, Dr. sc. ing., LEEA, Latvia
O. Krievs, Dr. sc. ing., RTU, Latvia
N. Kuņicina, Dr. sc. ing., RTU, Latvia
L. Latkovskis, Dr. sc. ing., FEI, Latvia
J. Laugis, Dr. sc. ing., TTU, Estonia
T. Lehtla, Dr. sc. ing., TTU, Estonia
A. Mahņitko, Dr. sc. ing., RTU, Latvia
A. Meļko, M. sc., Latvenergo, Latvia
V. Neimane, Dr. sc. ing., Vattenfal, Sweden
R. Neimanis, Dr. sc. ing., General Electric, Sweden
E. Pettai, Dr. sc. ing., TTU, Estonia
Lapa 1 / 16
Rīgas Tehniskā universitāte
Section «Power and Electrical Engineering»
V. Pugachev, Dr. sc. ing., FEI, Latvia
I. Raņķis, Dr. habil. sc. ing., RTU, Latvia
L. Ribickis, Dr. habil. sc. ing., RTU, Latvia
A. Rosin, Dr. sc. ing., TTU, Estonia
A. Sauhats, Dr. habil. sc. ing., RTU, Latvia
J. Stabulnieks, Dr. sc. ing., FEI, Latvia
A. Šņīders, Dr. sc. ing., LLU, Latvia
M. Valdma, Dr. sc. ing., TTU, Estonia
E. Vanzovičs, Dr. sc. ing., RTU, Latvia
D. Vinnikov, Dr. sc. ing., TTU, Estonia
V. Vodovozov, Dr. sc. ing., TTU, Estonia
Co-chairs:
S. Vitolina, RTU, Latvia
L. Zemite, RTU, Latvia
I. Galkin, RTU, Latvia
V. Strelkovs, RTU, Latvia
Organizing Committee:
O. Krievs, RTU, Latvia
A. Ziravecka, RTU, Latvia
O. Petrovska, RTU, Latvia
A. Podgornovs, RTU, Latvia
K. Berzina, RTU, Latvia
Conference Secretariat:
Riga Technical University
Faculty of Power and Electrical Engineering
Kronvalda blv. 1, Riga, LV-1010, Latvia
E-mail: power2010@conference.rtu.lv
Phone: +371 67089942; +371 67089918; +371 67089418
Fax: +371 67089418
Plenary Session
14 October 2010, at 9.00
Faculty of Power and Electrical Engineering,
Kronvalda blv. 1, room 21
Chair: Prof. J. Gerhards, RTU
8.00–9.00
Lapa 2 / 16
Rīgas Tehniskā universitāte
Section «Power and Electrical Engineering»
Registration
9.00–9.15
Prof. J. Gerhards (RTU)
Opening speech
9.15–9.30
Prof. A. Sauhats (RTU)
«Power system risk estimation and management»
9.30–9.45
Prof. L. Ribickis (RTU)
«Scientific research at RTU. Present situation and perspective»
9.45–10.00
Prof. D. Blumberga (RTU)
«Development of environmental and energy problems»
10.00–10.30
Coffee break
Central Plenary Session
14 October 2010, at 15.00–17.00
Kalķu street 1, Big Hall
Subsection «Power Engineering»
14 October 2010, at 10.30
Faculty of Power and Electrical Engineering,
Kronvalda blv. 1, room 36
Chair: Prof. A. Sauhats, RTU
10.30–10.45
M. Budahs, E. Vanzoviсhs, M. Zviedritis M. (RTU, Latvenergo, Latvia)
«Studies of new multistory house electrical supply load and determination methods update»
10.45–11.00
V. Gvozdas, P. Valatka (Kaunas University of Technology, Lithuania)
«Experimental research of the overvoltage in the insulated neutral network»
11.00–11.15
Lapa 3 / 16
Rīgas Tehniskā universitāte
Section «Power and Electrical Engineering»
A. Rosin, T. Möller, M. Lehtla, H. Hõimoja (Tallin University of Technology, Estonia)
«Analysis of household electricity consumption patterns and economy of water heating
shifting and saving bulbs»
11.15–11.30
A. Ļvovs, A. Mutule, (RTU, Latvia)
«Customer dissatisfaction index and its improvement costs»
11.30–11.45
E. Vanzovichs, T. Aristovs, S. Berjozkina (RTU, Latvia)
«Allowable load current calculation method with heating limitation for overhead powerlines»
11.45–12.00
J. Survilo (RTU, Latvia)
«The use of intermediate voltage in a countryside»
12.00–12.15
Coffee break
12.15–12.30
M. Banejad, I. G. Sardou (Shahrood University of Technology, Iran)
«Optimal placement of line switches for distribution automation system using genetic
algorithm»
12.30–12.45
M. Ozolnieks, E. Vanzovichs (RTU, Latvia)
«State of the determination of the necessity of protection against lightning and overvoltage
and improvement possibilities»
12.45–13.00
G. Georgiev (Technical University of Varna, Bulgaria), I. Zicmane, S. Kovalenko, E. Antonov
(RTU, Latvia)
«An algorithm for the automated design of power grids»
13.00–13.15
A. Mahnitko, A. Gavrilov (RTU, Latvia)
«Use of Pareto principle in power system mode analysis»
13.15–13.30
T. Y. Panikovskaya (Ural State Technical University named after the first President of Russia B.N.
Yeltsin, Russia)
Lapa 4 / 16
Rīgas Tehniskā universitāte
Section «Power and Electrical Engineering»
«Determination of equilibrium points for steady state conservative models»
13.30–13.45
S. Guseva, O. Borscevskis, N. Skobeleva, L. Kozireva (RTU, Latvia)
«Load determination and selection of transformer substations’ optimal power for tasks of
urban networks' development»
13.45–14.00
A. Rubtsov (JSC «The Design & Research Institute of Power Systems and Networks
ENERGOSETPROJECT», Russia)
«Approach to stochastic modeling of power systems»
14.00–15.00
Lunch
Kronvalda 1, Big Hall
Central Plenary Session
14 October 2010, at 15.00–17.00
Kalķu street 1, Big Hall
Subsection «Power Engineering»
Faculty of Power and Electrical Engineering,
Kronvalda blv. 1, room 36 17.00–17.15
I. Erlich (University Duisburg – Essen, Germany), F. Shewarega (University Duisburg – Essen,
Germany), O. Scheufeld (FGH Test Systems GmbH, Germany)
«Modeling wind turbines in the simulation of power system dynamics: an overview»
17.15–17.30
A. Palamar, E. Pettai, V. Beldjajev (Tallinn University of Technology, Estonia)
«Control system for a diesel generator and UPS based microgrid»
17.30–17.45
V. G. Kurbatsky, D. V. Sidorov, V. Spiryaev, N. V. Tomin (Energy Systems Institute, Siberian
Branch of Russian Academy of Sciences, Russia)
«Joint use ANN models and Hilbert-Huang transform for forecasting prices in the liberalized
electricity market»
17.45–18.00
I. Oleinikova, A. Obushev (RTU, Latvia)
«Baltic power system development – tendency and infrastructure projects»
Lapa 5 / 16
Rīgas Tehniskā universitāte
Section «Power and Electrical Engineering»
18.00–18.15
H. Hõimoja, T. Jalakas, A. Rosin, A. Rassylkin (Tallinn University of Technology, Estonia)
«Modernization issues of diesel – electric shunting locomotive power units»
18.15–18.30
I. Dmitrenko, J. Laugis (Tallinn University of Technology, Estonia)
«The handle of substation remote terminal unit configuration»
18.30–18.45
V. F. Sivokobylenko, D. I. Kuzmenko (Volodymyr Dahl East Ukrainian National University,
Ukraine)
«Searching the damaged outgoing feeder in networks with insulated neutral by phase-to
ground fault»
18.45–19.00
A. Mahnitko, I. Umbrasko (RTU, Latvia)
«Technological limitations influence on value of objective function of electric power system
optimisation task»
Subsection «Electrical Engineering»
14 October 2010, at 10.30
Faculty of Power and Electrical Engineering,
Kronvalda blv. 1, room 21
Chair: Prof. L. Ribickis, RTU
10.30–10.45
J. Zakis, D. Vinnikov, I. Roasto, T. Jalakas (Tallinn University of Technology, Estonia)
«Practical design guidelines of qZSI based step-up DC/DC converter»
10.45–11.00
A. Andreiciks, I. Steiks, O. Krievs (RTU, Latvia)
«Current-fed step-up DC/DC converter for fuel cell applications with active overvoltage
clamping»
11.00–11.15
A. Blinov, T. Yalakas, D. Vinnikov, K. Yanson (Tallin University of Technology, Estonia)
«Switch-off behaviour of 6.5 kV IGBT modules in two-level voltage source inverter»
11.15–11.30
A. Stepanov, I. Galkin (RTU, Latvia)
Lapa 6 / 16
Rīgas Tehniskā universitāte
Section «Power and Electrical Engineering»
«Active rectifier for uninterruptable power supply»
11.30–11.45
O. Krievs, I. Steiks, L. Ribickis (RTU, Latvia)
«A PLL scheme for synchronization with grid voltage phasor in active power filter systems»
11.45–12.00
A. Sokolovs, I. Galkin (RTU, Latvia)
«Matrix converter bi-directional switch power loss and cooling condition estimation for
integrated drives»
12.00–12.30
Coffee break
12.30–12.45
V. Cimanis, V. Hramcovs, I. Rankis (RTU, Latvia)
«The single-phase AC regulator on base of bidirectional IGBT switches»
12.45–13.00
A. Gundars, L. Ribickis, V. Novikovs (RTU, Latvia)
«Troubleshooting of matrix frequency converter conducted and radiated emissions»
13.00–13.15
N. Gnezdov, A. Kolganov, S. Lebedev (Ivanovo State Power University, Russia)
«Application of astatic state observers in electromechanotronic modules»
13.15–13.30
K. Vitols, N. Reinberg, I. Galkin (RTU, Latvia)
«DC motor power supply for electric kart»
13.30–13.45
L. Bisenieks, R. Vinogradov, A. Lazdans, I. Galkin (RTU, Latvia)
«Upgrading possibilities of low – power electric scooter»
13.45–14.00
I. Milashevski, J. Armas (Tallinn University of Technology, Estonia)
«Smart solutions for street lighting»
14.00–15.00
Lunch
Kronvalda 1, Big Hall
Lapa 7 / 16
Rīgas Tehniskā universitāte
Section «Power and Electrical Engineering»
Central Plenary Session
14 October 2010, at 15.00–17.00
Kalķu street 1, Big Hall
Subsection «Electrical Engineering»
Faculty of Power and Electrical Engineering,
Kronvalda blv. 1, room 21
17.00–17.15
A. Avotins, L. Ribickis (RTU, Latvia)
«Toward intelligent lighting systems with power LED»
17.15–17.30
A. Suzdalenko, I. Galkin (RTU, Latvia)
«Research and development of LED driver with power line communication for intelligent
lighting»
17.30–17.45
O. Ruban (Tallinn University of Technology, Estonia)
«Wireless fail-safe communication via profinet»
17.45–18.00
J. Chaiko, N. Kunicina, A. Patlins, A. Galkina (RTU, Latvia)
«Building of mathematical models of data transferring through the interface RS – 485 in
industrial networks»
18.00–18.15
O. Krumins, I. Rankis (RTU, Latvia)
«Discrete arithmetic models for traffic interpretation and prediction»
18.15–18.30
I. Alps, A. Potapov, M. Gorobetz, A. Levchenkov (RTU, Latvia)
«Algorithm for public electric transport schedule control for intelligent embedded devices»
18.30–18.45
A. Potapov, M. Gorobetz, A. Levchenkov (RTU, Latvia)
«Algorithm for embedded safety braking control system in city electric transport»
18.45–19.00
A. Mor-Yaroslavtsev, A. Levchenkov (RTU, Latvia)
«Immune negative selection algorithm for railway electric vehicle fault detection system»
Lapa 8 / 16
Rīgas Tehniskā universitāte
Section «Power and Electrical Engineering»
19.00–19.15
J. Kiploks (RTU, Latvia), J. Vjaters (University of Latvia, Latvia), I. Rankis (RTU, Latvia)
«Possibilities of shooting simulator SAIKU – 8 improvement»
Subsection «Computerised Electrical Technologies»
Reports of Doctoral Candidates
14 October 2010, at 19.20
Faculty of Power and Electrical Engineering,
Kronvalda blv. 1, room 21
19.20–19.30
Mihails Zavgorodnijs (RTU, Latvia)
«Investigation of control methods for BMS»
19.30–19.40
Dmitrijs Bartkevičs (RTU, Latvia)
«Energy efficiency improvement methods in buildings»
19.40–19.50
Peteris Apse-Apsitis (RTU, Latvia)
«Simulation of motion control sensors for robots»
19.50–20.00
Raimonds Cimbals (RTU, Latvia)
«Investigation of power flow controller»
20.00–20.10
Davis Meike (RTU, Latvia)
«Energy efficiency improvement of industrial robots»
20.10–20.20
Anatolijs Zabašta (RTU, Latvia)
«Control methods of critical infrastructures»
20.20–20.30
Valdis Bogdans (RTU, Latvia)
«Investigation of electrical equipment of unmanned airplanes»
20.30–20.40
Lapa 9 / 16
Rīgas Tehniskā universitāte
Section «Power and Electrical Engineering»
Ugis Sirmelis (RTU, Latvia)
«Energy efficiency improvement in electrical transport with special electrical storage devices»
20.40–20.50
Glebs Golubevs (RTU, Latvia)
«Investigation ASD with frequency converter»
20.50–21.00
Juris Egle (RTU, Latvia)
«Investigation of robust frequency converter»
21.00–21.10
Edgars Dreimanis (RTU, Latvia)
«Investigation of diagnostic method for high voltage transformers» Subsection «Power and Electrical Engineering»
14 October 2010, at 10.30
Faculty of Power and Electrical Engineering,
Kronvalda blv. 1, room 33
Chair: Prof. J. Dirba, RTU
10.30–10.45
I. Matiss, A. Purvinsh (RTU, Latvia)
«Electrical measuring techniques – expectations for increasing accuracy»
10.45–11.00
G. Dilevs, E. Jakobsons, G. Orlovskis (RTU, Latvia)
«Testing results of multipolar double fed induction generator»
11.00–11.15
M. Konuhova, G. Orlovskis, K. Ketners (RTU, Latvia)
«Mathematical modelling of induction motor transient processes during stator winding
interruption»
11.15–11.30
A. Akrami, M. A. Ghaderi, S. R. Ghadi (Dezfool Azad Islamic University, Iran)
Lapa 10 / 16
Rīgas Tehniskā universitāte
Section «Power and Electrical Engineering»
«Synchronous study of ferroresonance phenomenon and inrush current and their related
reasons in ground power networks»
11.30–11.45
V. G. Kurbatsky (Energy Systems Institute, Siberian Branch of Russian Academy of Sciences,
Russia)
«Application of integrated hardware and software system «PRIZNAK–10M» for measuring
power – frequency electric and magnetic fields in electric networks»
11.45–12.00
O. Sliskis, S. Miesniece, K. Ketners, E. Vanzovichs (RTU, Latvia)
«Application of ATP/EMTP program for solving of some High – voltage engineering
problems»
12.00–12.15
Coffee break
12.15–12.30
U. Brakanskis, J. Dirba, L. Kukjane, V. Drava (RTU, Latvia)
«Analysis of a permanent – magnet brushless DC motor with fixed dimensions»
12.30–12.45
A. Meishele, E. Ketnere, A. Mesnyayevs (RTU, Latvia)
«Simulation of induction motor characteristics using a circle diagram»
12.45–13.00
G. Gavrilovs, S. Vītoliņa (Riga Technical University, Latvia)
«Measuring specificities of dissipation factor of electrical equipment in substations»
13.00–13.15
M. Kizhlo, A. Kanbergs, M. Kizhlo (RTU, Latvia)
«Correlation analysis between grounding resistance and diurnal variations of upper soil
resistivity during March 2010 in Balozhi, Latvia»
13.30–15.00
Lunch
Kronvalda 1, Big Hall
Central Plenary Session
14 October 2010, at 15.00–17.00
Kalķu street 1, Big Hall
Lapa 11 / 16
Rīgas Tehniskā universitāte
Section «Power and Electrical Engineering»
Section «Environmental Engineering»
Scientific Committee:
D. Blumberga, Dr. habil. sc. ing., RTU, Chairman
M. Rošā, Dr. sc. ing., RTU, Deputy Chairman
A. Siirde, Dr. sc. ing., Tallinn Technical University, Estonia
C. Luttropp, Dr., Royal Institute of Technology, Sweden
G. Denafas, Dr. habil. sc. ing., Kaunas Technical University, Lithuania
L. Mez, Dr. habil., Dr. rer. pol., Freie Universität Berlin, Germany
P. Lindblad, Dr. sc. ing., Uppsala University, Sweden
V. Martinaitis, Dr. habil. sc. ing., Vilnius Technical University, Lithuania
M. Kļaviņš, Dr. habil. chem., University of Latvia
A. Blumberga, Dr. sc. ing., RTU, Latvia
G. Bažbauers, Dr. sc. ing., RTU, Latvia
K. Valters, Dr. chem., RTU
I. Veidenbergs, Dr. habil. sc. ing., RTU
J. Simanovska, MSc. env., RTU
S. N. Kalniņš, MSc., RTU
12 October 2010, at 9.00
Faculty of Power and Electrical Engineering,
Kronvalda Blv. 1, room 21
8.30–9.00
Registration
9.00–9.10
D. Blumberga (RTU, Latvia)
Opening speech
Session I. Development of the low carbon national energy supply system. Availability of
renewable energy sources
9.10–9.40
L. Mez (Freie Universität Berlin, Germany)
«The development of renewable energy technologies in Germany»
9.40–10.00
N. Lykova, J.-E.Gustaffson (Royal Institute of Technology, Sweden)
«A survey of biofuel production potentials in Russia»
Lapa 12 / 16
Rīgas Tehniskā universitāte
Section «Power and Electrical Engineering»
10.00-10.20
I. Dzene, C. Rochas, M. Rošā, D. Blumberga, A. Erdmanis (RTU, Latvia)
«Energy recovery from end – of – life tyres: untapped possibility to reduce CO2 emissions»
10.20-10.40
J. Porubova, G. Bažbauers (RTU, Latvia)
«Analysis of long – term plan for energy supply system for Latvia that is 100% based on the
use of local energy resources»
10.40–11.00
Coffee break
11.00–11.20
A. Volkova, A. Siirde (TTU, Estonia)
«Efficiency assessment of support mechanisms for wood – fired cogeneration development in
Estonia»
11.20–11.40
E. Latõšov, A. Siirde, J. Kleesmaa (TTU, Estonia)
«The impact of pollution charges, ash handling and carbon dioxide on the cost
competitiveness of the fuel sources used for energy production in Estonia»
11.40–12.00
Discussion
12.00–13.20
Lunch break
Session II. Development of technologies using biomass and other renewable energy sources
13.20–13.50
P. Lindblad (Uppsala University, Sweden)
«Design of photosynthetic factories for direct biofuel production»
13.50–14.20
G. Āboltiņš-Āboliņš (Statoil ASA, Norway)
«Experience in sustainable marine based feedstock biofuel technology and value chain
development»
14.20–14.40
S. Simoni, A. Cappelli, E. Gigli, R. Renda, L. Muzi (CIRPS – University «La Sapienza» of Rome
(Italy)
Lapa 13 / 16
Rīgas Tehniskā universitāte
Section «Power and Electrical Engineering»
«Energetic and environmental impacts related to transport and assembling processes in a
biogas production plant from marine macroalgae (FP7 Project BioWALK4Biofuels)»
14.40–15.00
Z. Auniņa, K. Valters (RTU, Latvia)
«Latvia feasibility of bioethanol production from lignocellulosic biomass»
15.00–15.20
A. Žandeckis, D. Blumberga, C. Rochas, I. Veidenbergs, K. Siliņš (RTU, Latvia)
«Methods of nitrogen oxide reduction in pellet boilers»
15.20–14.40
I. Barmina, M. Zaķe, M. Gedrovičs, V. Kriško (LU, RTU, Latvia)
«Modification of wood pellets and propane co-firing in a magnetic field»
15.40–16.00
Coffee break
16.00–16.20
A. Boloņina, C. Rochas, I. Kibure, M. Rošā, D. Blumberga (RTU, Latvia)
«Compact solar combisystem for an apartment building»
16.20–16.40
Dz. Jaunzems, I. Veidenbergs (RTU, Latvia)
«Small scale solar cooling unit in climate conditions of Latvia: environmental and economical
aspects»
16.40–17.00
G. Kučinskis, G. Bajārs, J. Šmits, J. Kleperis (LU, Latvia)
«Kinetic behavior of LiFePO4/C thin film cathode material for lithium-ion batteries»
17.00–17.20
Discussion
Session III. Environmental impact assessment
17.20–17.40
J. Pubule, D. Blumberga (RTU, Latvia)
«Use of benchmark methodology in environmental impact assessment»
17.40–18.00
Discussion
Lapa 14 / 16
Rīgas Tehniskā universitāte
Section «Power and Electrical Engineering»
13 October 2010, at 9.00
Faculty of Electrical and Power Engineering,
Kronvalda Blv. 1, room 21
Session IV. Energy efficient buildings
9.00–9.20
M. Pelšs, A. Blumberga, A. Kamenders (RTU, Latvia)
«Thermal bridge impact on the heating demand in a low – energy house»
9.20–9.40
G. Žogla, A. Blumberga (RTU, Latvia)
«Energy consumption and indoor air quality of different ventilation possibilities in a new
apartment building»
9.40–10.00
Discussion
Session V. Use of ecodesign and life cycle assessment as tools for implementation of low
carbon technologies
10.00–10.20
R. Heijungs (Leiden University, The Netherlands)
«Ecodesign – carbon footprint – life cycle assessment – life cycle sustainability analysis. A
flexible framework for a continuum of tools»
10.20–10.40
C. Luttropp (Royal Institute of Technology, Sweden)
«EcoDesign «How do we make it happen»
10.40–11.00
Z. Sauka, «Zaļās mājas» & «Latvijas Valsts meži» (Latvia)
«BREEAM – LV: a tool towards sustainable buildings in Latvia»
11.00–11.20
Coffee break
11.20–11.40
A. Bērziņa, E. Dāce, G. Bažbauers (RTU, Latvia)
«Analysis of ecodesign implementation and solutions for packaging waste system by using
system dynamics modelling»
Lapa 15 / 16
Rīgas Tehniskā universitāte
Section «Power and Electrical Engineering»
11.40–12.00
F. Romagnoli, D. Blumberga (RTU, Latvia), E. Gigli (CIRPS, University of Rome, Italy)
«Biogas from marine macroalgae: a new environmental technology – life cycle inventory for a
further LCA»
12.00–12.20
Discussion
12.20–12.40
M. Rošā (RTU, Latvia)
«Editorial note. Closing of the scientific part of the conference»
12.40–13.50
Lunch break
13.50
Working Groups:
I: Bioenergy
II: LCA/Ecodesign
Lapa 16 / 16