District Heating Consumer Thermal Energy Forecast
19/07/2019

District Heating Consumer Thermal Energy Forecast

WHAT IS DISTRICT HEATING CONSUMER THERMAL ENERGY CONSUMPTION FORECASTING?   Thermal energy forecasting is a process where depending on the weather conditions and information about the consumers, operators forecast thermal energy consumption. WHY IS IT IMPORTANT TO FORECAST THERMAL ENERGY?  Precise hourly forecasts allow to manage the district heating network in the most efficient way: Automatic … Read More

by Energy Advice
Efficiency Analysis: Condition Assessment and Forecast of Photovoltaic Electricity Generation
21/06/2019

Efficiency Analysis: Condition Assessment and Forecast of Photovoltaic Electricity Generation

WHAT IS EFFICIENCY ANALYSIS? Efficiency Analysis identifies whether the PV systems are running in optimum conditions or not by electricity generation forecast and real time condition assessment. WHY DO WE NEED EFFICIENCY ANALYSIS? Hourly real time efficiency would allow to track the status of PV; Automated alarm system announces via email about emerging situations; Analysis … Read More

by Energy Advice
Parallel operation of electrical power transformers
16/05/2019

Parallel operation of electrical power transformers

It is common to use several smaller rated transformers connected in parallel instead of one bigger rated transformer in electrical power systems. The advantages of parallel operation of transformers are: INCREASED RELIABILITY AND MAXIMIZED ELECTRICAL POWER SYSTEM AVAILABILITY. This is because it is not necessary to disconnect the whole system if fault occurs with one of … Read More

by Energy Advice
Challenges of grid integration of renewable energy power plants
31/07/2018

Challenges of grid integration of renewable energy power plants

JSC Energy Advice director, dr. Vytautas Šiožinys JSC Energy Advice project manager, Mantas Kaminickas Renewable energy power generation is constantly growing as a result of promotional policies and development of renewable energy harvesting technologies. However, intermittent generation of renewable energy power plants can cause power quality problems and other challenges that must be coped for … Read More

by Energy Advice
Combined Analysis of Cascade Heating Supply Infrastructure
02/07/2018

Combined Analysis of Cascade Heating Supply Infrastructure

Hydraulic pumps operation point control is essential part of any heating supply infrastructure which vastly influences the performance and effectiveness of the network. The optimization of pumps operating points is time consuming and calculation heavy work. It is a common practise to simplify this tasks by increasing the reserve threshold for the pumps parameters and … Read More

by Energy Advice
Power plant protection and automation reliability assessment
14/10/2015

Power plant protection and automation reliability assessment

The aim of the project was to increase thermal power plant reliability throughout evaluation of power flow regimes of power plant, short circuit studies and protection coordination and optimization. As an analysis tool EA-PSM revealed as reliable, accurate, fast task solving tool.   Thermal power plant has two electrical generators with capacity of 24MW, interconnected to 6kV network, also … Read More

by Energy Advice
Reactive power compensation and grid analysis of a wood processing plant
14/10/2015

Reactive power compensation and grid analysis of a wood processing plant

The case study of reactive power compensation equipment sizing in a wood processing plant is presented. Analysis performed with EA – PSM software. Object and technical assignment Installed apparent power of the analysed wood processing plant is 10.5 MVA. The vast majority of energy consumers are induction motors with 0.8 – 0.85 power factor. Therefore, … Read More

by Energy Advice
Power plant harmonic losses reduction. Increase of network reliability
14/10/2015

Power plant harmonic losses reduction. Increase of network reliability

In this study case a grid harmonics evaluation was done to prevent equipment damage and processes shutdown. A power plant company suffered from constant shutdown and damages to their equipment like computer and motors. To prevent these consequence harmonic distortion were measured and analysed at different location, modelled power plant’s grid and performed calculation with … Read More

by Energy Advice
Integration of renewable energy sources
14/10/2015

Integration of renewable energy sources

The analysis of technical requirements for renewable energy sources grid integration was performed by DSO named AB LESTO. The case study was performed using EA-PSM. Study had included reactive power and voltage control, voltage sag evaluation, harmonic load flow study, harmonic losses analysis, grid optimization through power losses, short circuit analysis and protection coordination. Renewable … Read More

by Energy Advice