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Latvian Journal of Physics and Technical Sciences

Volume 58 (2021): Issue 3 (June 2021)

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16 Articles
Open Access | Jun 24, 2021
Energy Transition of the Baltic States: Problems and Solutions
A. Sauhats

A. Sauhats

Riga Technical University, Institute of Power EngineeringLatvia
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Sauhats, A.
, 
Z. Broka

Z. Broka

Riga Technical University, Institute of Power EngineeringLatvia
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Broka, Z.
 and 
K. Baltputnis

K. Baltputnis

Riga Technical University, Institute of Power EngineeringLatvia
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Baltputnis, K.
  
Open Access | Jun 24, 2021
Methodology for Investment Evaluation in Electricity Generation Modules according to the Requirements of the European Union
L. Vempere

L. Vempere

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Vempere, L.
, 
A. Jasevics

A. Jasevics

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Jasevics, A.
, 
L. Zemite

L. Zemite

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Zemite, L.
 and 
G. Vempers

G. Vempers

Inženierija LtdLatvia
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Vempers, G.
  
Open Access | Jun 24, 2021
Estimating the Benefit from Independent Aggregation in the Day-Ahead Market
K. Baltputnis

K. Baltputnis

Riga Technical University, Institute of Power EngineeringLatvia
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Baltputnis, K.
 and 
Z. Broka

Z. Broka

Riga Technical University, Institute of Power EngineeringLatvia
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Broka, Z.
  
Open Access | Jun 24, 2021
Modelling the Future of the Baltic Energy Systems: A Green Scenario
L. Petrichenko

L. Petrichenko

Riga Technical University, Institute of Power EngineeringLatvia
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Petrichenko, L.
, 
R. Petrichenko

R. Petrichenko

Riga Technical University, Institute of Power EngineeringLatvia
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Petrichenko, R.
, 
A. Sauhats

A. Sauhats

Riga Technical University, Institute of Power EngineeringLatvia
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Sauhats, A.
, 
K. Baltputnis

K. Baltputnis

Riga Technical University, Institute of Power EngineeringLatvia
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Baltputnis, K.
 and 
Z. Broka

Z. Broka

Riga Technical University, Institute of Power EngineeringLatvia
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Broka, Z.
  
Open Access | Jun 24, 2021
Power Plant Cooperation In District Heating Considering Open Electricity Market
R. Oleksijs

R. Oleksijs

Riga Technical University, Power Engineering InstituteLatvia
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Oleksijs, R.
, 
A. Sauhats

A. Sauhats

Riga Technical University, Power Engineering InstituteLatvia
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Sauhats, A.
 and 
B. Olekshii

B. Olekshii

Riga Technical University, Power Engineering InstituteLatvia
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Olekshii, B.
  
Open Access | Jun 24, 2021
Assessment of PV Integration in the Industrial and Residential Sector under Energy Market Conditions
L. Petrichenko

L. Petrichenko

Riga Technical University, Institute of Power EngineeringLatvia
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Petrichenko, L.
, 
J. Kozadajevs

J. Kozadajevs

Riga Technical University, Institute of Power EngineeringLatvia
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Kozadajevs, J.
, 
R. Petrichenko

R. Petrichenko

Riga Technical University, Institute of Power EngineeringLatvia
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Petrichenko, R.
, 
O. Ozgonenel

O. Ozgonenel

Department of Electrical-Electronics Engineering, Ondokuz Mayis UniversitySamsun, Turkey
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Ozgonenel, O.
, 
D. Boreiko

D. Boreiko

Riga Technical University, Institute of Power EngineeringLatvia
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Boreiko, D.
 and 
A. Dolgicers

A. Dolgicers

Riga Technical University, Institute of Power EngineeringLatvia
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Dolgicers, A.
  
Open Access | Jun 24, 2021
Heat Pump Optimization Strategies for Participation in Price-Controlled Demand Response in the Latvian Electricity Market
L. Kurevska

L. Kurevska

Riga Technical University, Power Engineering InstituteLatvia
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Kurevska, L.
  
Open Access | Jun 24, 2021
Simplified Model for Evaluation of Hydropower Plant Conversion into Pumped Storage Hydropower Plant
S. Kiene

S. Kiene

Riga Technical University, Institute of Power Engineering, Electrical and Environmental EngineeringLatvia
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Kiene, S.
 and 
O. Linkevics

O. Linkevics

Riga Technical University, Institute of Power Engineering, Electrical and Environmental EngineeringLatvia
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Linkevics, O.
  
Open Access | Jun 24, 2021
Heat Load Numerical Prediction for District Heating System Operational Control
D. Rusovs

D. Rusovs

Riga Technical University, Department of Heat and Power Engineering SystemsLatvia
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Rusovs, D.
, 
L. Jakovleva

L. Jakovleva

Riga Technical University, Department of Heat and Power Engineering SystemsLatvia
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Jakovleva, L.
, 
V. Zentins

V. Zentins

Riga Technical University, Department of Heat and Power Engineering SystemsLatvia
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Zentins, V.
 and 
K. Baltputnis

K. Baltputnis

Riga Technical University, Institute of Power EngineeringLatvia
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Baltputnis, K.
  
Open Access | Jun 24, 2021
A Linearized Numerical Solution for Steady-State Simulations of Gas Networks
I. Zalitis

I. Zalitis

Riga Technical University, Institute of Power EngineeringLatvia
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Zalitis, I.
, 
A. Dolgicers

A. Dolgicers

Riga Technical University, Institute of Power EngineeringLatvia
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Dolgicers, A.
, 
L. Zemite

L. Zemite

Riga Technical University, Institute of Power EngineeringLatvia
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Zemite, L.
, 
S. Ganter

S. Ganter

Fraunhofer Institute for High-Speed Dynamics Am Klingelberg 1Germany
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Ganter, S.
, 
V. Kopustinskas

V. Kopustinskas

European Commission, Joint Research Centre (JRC)Ispra, Italy
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Kopustinskas, V.
, 
B. Vamanu

B. Vamanu

European Commission, Joint Research Centre (JRC)Ispra, Italy
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Vamanu, B.
, 
I. Bode

I. Bode

Riga Technical University, Institute of Power EngineeringLatvia
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Bode, I.
 and 
J. Kozadajevs

J. Kozadajevs

Riga Technical University, Institute of Power EngineeringLatvia
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Kozadajevs, J.
  
Open Access | Jun 24, 2021
CHPP Operation Mode Optimization under Electricity and Gas Market Conditions using a Genetic Algorithm
J. Kozadajevs

J. Kozadajevs

Riga Technical University, Institute of Power EngineeringLatvia
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Kozadajevs, J.
, 
A. Dolgicers

A. Dolgicers

Riga Technical University, Institute of Power EngineeringLatvia
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Dolgicers, A.
 and 
D. Boreiko

D. Boreiko

Riga Technical University, Institute of Power EngineeringLatvia
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Boreiko, D.
  
Open Access | Jun 24, 2021
The Natural Gas as a Sustainable Fuel Atlernative in Latvia
J. Savickis

J. Savickis

Latvia
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Savickis, J.
, 
A. Ansone

A. Ansone

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Ansone, A.
, 
L. Zemite

L. Zemite

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Zemite, L.
, 
I. Bode

I. Bode

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Bode, I.
, 
L. Jansons

L. Jansons

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Jansons, L.
, 
N. Zeltins

N. Zeltins

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Zeltins, N.
, 
A. Koposovs

A. Koposovs

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Koposovs, A.
, 
L. Vempere

L. Vempere

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Vempere, L.
 and 
E. Dzelzitis

E. Dzelzitis

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Dzelzitis, E.
  
Open Access | Jun 24, 2021
The Natural Gas Supply of the Latvian Municipality during the Local Energy Crisis
L. Zemite

L. Zemite

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Zemite, L.
, 
E. Nevercika

E. Nevercika

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Nevercika, E.
, 
L. Jansons

L. Jansons

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Jansons, L.
, 
I. Bode

I. Bode

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Bode, I.
, 
A. Koposovs

A. Koposovs

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Koposovs, A.
, 
N. Kondrahins

N. Kondrahins

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Kondrahins, N.
 and 
A. Jasevics

A. Jasevics

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Jasevics, A.
  
Open Access | Jun 24, 2021
The Creation of the Integrated Natural Gas Market in the Baltic Region and its Legal Implications
L. Zemite

L. Zemite

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Zemite, L.
, 
A. Ansone

A. Ansone

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Ansone, A.
, 
L. Jansons

L. Jansons

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Jansons, L.
, 
I. Bode

I. Bode

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Bode, I.
, 
E. Dzelzitis

E. Dzelzitis

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Dzelzitis, E.
, 
A. Selickis

A. Selickis

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Selickis, A.
, 
A. Romanovs

A. Romanovs

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Romanovs, A.
 and 
L. Vempere

L. Vempere

Riga Technical University, Faculty of Electrical and Environmental Engineering, Institute of Power EngineeringLatvia
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Vempere, L.
  
Open Access | Jun 24, 2021
Analysis of the Role of the Latvian Natural Gas Network for the use of Future Energy Systems: Hydrogen from Res
J. Kleperis

J. Kleperis

Institute of Solid State Physics of University of LatviaLatvia
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Kleperis, J.
, 
D. Boss

D. Boss

Institute of Solid State Physics of University of LatviaLatvia
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Boss, D.
, 
A. Mezulis

A. Mezulis

Institute of Solid State Physics of University of LatviaLatvia
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Mezulis, A.
, 
L. Zemite

L. Zemite

Riga Technical University, Institute of EnergeticsLatvia
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Zemite, L.
, 
P. Lesnicenoks

P. Lesnicenoks

  • Institute of Solid State Physics of University of LatviaLatvia
  • Riga Technical University, Faculty of Materials Science and Applied ChemistryLatvia
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Lesnicenoks, P.
, 
A. Knoks

A. Knoks

Institute of Solid State Physics of University of LatviaLatvia
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Knoks, A.
 and 
I. Dimanta

I. Dimanta

  • Institute of Solid State Physics of University of LatviaLatvia
  • Faculty of Biology, University of LatviaLatvia
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Dimanta, I.
  
Open Access | Jun 24, 2021
A Review: The Energy Poverty Issue in the European Union and Latvia
D. Zalostiba

D. Zalostiba

Riga Technical University, Institute of Power EngineeringLatvia
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Zalostiba, D.
 and 
D. Kiselovs

D. Kiselovs

Riga Technical University, Institute of Power EngineeringLatvia
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Kiselovs, D.
  

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