Vol. 25 No. 25 (2009): Scientific Journal of Riga Technical University. Power and Electrical Engineering

Published: 2009-01-01

Evaluation of Distribution Network Customer Outage Costs

Laila Zemīte, Jānis Gerhards (Author)

7-12
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Single Phase Earth Fault Location in the Medium Voltage Distribution Networks

Jevgēnijs Linčiks, Dzintars Baranovskis (Author)

13-18
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Selection of schemes of switchgears for new 110 kV substations

Aleksandrs Ļvovs, Armands Staltmanis (Author)

19-22
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The Mechanical Transient Process at Asynchronous Motor Oscillating Mode

Uldis Antonovičs, Viesturs Bražis, Jānis Greivulis (Author)

23-26
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Simulation of gas-turbine driven device

Kristīna Bērziņa, Elena Ketnere (Author)

27-30
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The generated power of multipole induction generator with secondary winding on the stator

Guntis Diļevs, Edgars Jakobsons (Author)

31-34
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Solid insulation drying of 110 kV paper-oil instrument transformers

Gerards Gavrilovs, Sandra Vītoliņa (Author)

35-38
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The Comparative Analysis of Inductor and Reluctance Wind Generators

Edmunds Kamoliņš (Author)

39-42
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The Causes of the Parameters Changes of Soil Resistivity

Marina Kižlo, Arvīds Kanbergs (Author)

43-46
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Investigations of the undamped field effect to the electromagnetic processes in the induction machines

Marina Koņuhova, Kārlis Ketners, Elena Ketnere, Svetlana Kļujevska (Author)

47-50
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Determination and analysis of synchronous motor's parameters

Aleksandrs Mesņajevs, Andrejs Zviedris (Author)

51-56
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Optimization of the magnetic circuit of an axial inductor machine

Jānis Dirba, Nikolaj Levin, Svetlana Orlova, Vladislav Pugachov (Author)

57-60
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Modeling of overheat process control of electric motor

Igors Uteshevs, Anatoly Levchenkov (Author)

61-64
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Finding of the rational approach at the decision of a compensation in high-voltage networks

G. Georgiev, I. Zicmane, E. Antonov (Author)

65-68
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Increasing Efficiency of Electrical Supply Model for Small Enterprises in Rural Regions

A. Galkina, N. Kunicina, Y. Chaiko (Author)

69-72
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Control of Steam-Turbine Regulators at Transition to an Island State

Georgi Georgiev (Author)

73-76
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Load forecasting till 2020 of existing and perspective transformer substations in Riga

Svetlana Guseva, Olegs Borscevskis, Nataly Skobeleva, Nikolajs Breners (Author)

77-80
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Operation Modes of HV/MV Substations

Josifs Survilo, Antons Kutjuns (Author)

81-86
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Price of Water

Josifs Survilo, Dmitrijs Boreiko (Author)

87-90
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Application of Neural Network Technologies for Price Forecasting in the Liberalized Electricity Market

Valentin Gerikh, Irina Kolosok, Victor Kurbatsky, Nikita Tomin (Author)

91-96
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Improvement the work effectivenes of static var compensators by using of two-input adaptive controllers

Nikolay Djagarov, Zhivko Grozdev, Milen Bonev (Author)

97-102
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Analysis and Design of 3.3 kV IGBT Based Three-Level DC/DC Converter with High-Frequency Isolation and Current Doubler Rectifier

Dmitri Vinnikov, Tanel Jalakas, Indrek Roasto (Author)

103-108
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Analysis of Gate Drivers for Overvoltage Suppression in Matrix Converters for Integrated Drives

Alvis Sokolovs, Ilja Galkins (Author)

109-112
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Development of a Modular Power Converter

A. Stepanov, L. Biesenieks, A. Sokolovs, I. Galkin (Author)

113-116
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Current Fed Step-up DC/DC Converter for Fuel Cell Inverter Applications

Aleksandrs Andreičiks, Kristaps Vitols, Oskars Krievs, Ingars Steiks (Author)

117-122
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Investigation of the Input Unit of Frequency Converter

I. Rankis, A. Zhiravecka, I. Bunina (Author)

123-126
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Experimental Results from Physical Model of Bidirectional Power Flow Regulator for Power Substations of Electrical Transport

Aigars Vitols, Ivars Rankis (Author)

127-132
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Low Cost Embedded Controlled Full Bridge LC Parallel Resonant Converter

P. Chandrasekhar, S. Reddy (Author)

133-136
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Comparison and Choice of Supply and Driver Unit for Power LED Luminary

Ilya Galkin, Ansis Avotinsh, Alexander Suzdalenko, Leonids Ribickis (Author)

137-140
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Automatic Measurement for Internal Resistance of Battery in Uninterruptible Power Source

Mareks Mezitis, Vladimirs Karevs (Author)

141-144
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Voltage Monitoring on Capacitor of Modular Multilevel Converter

Ingars Steiks, Leonids Ribickis (Author)

145-150
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Investigation of the Operation Speed of AC Voltage Sensor

Vladimirs Cimanis, Vladimirs Hramcovs, Ivars Rankis (Author)

151-154
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A Sensorless Speed Control System for DC Motor Drives

Tsolo Georgiev, Mikho Mikhov (Author)

155-158
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Mathematical Formulation of Public Electric Transport Scheduling Task for Artificial Immune Systems

Mikhail Gorobetz, Ivars Alps, Anatoly Levchenkov (Author)

159-164
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Development of impact aggregation procedure for sustainable transport system

Antons Patlins, Nadezhda Kunicina (Author)

165-170
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Control of Comfort Parameters in Interior of Railway Coach Using ANN and RFID Tasks

Ivars Beinarts, Anatoly Levchenkov (Author)

171-176
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