Power Systems Research and Operation: Selected Problems II

Introduction
Contents
Simulation of the Load–Frequency Control of the Power System with Renewables
	1 Introduction
	2 Identification and Classification of the “Critical Overhead Lines” Using the “N-1 Principle”
	3 Development of the Windfarm Local Controller Model
	4 Load–Frequency Control Structure in Power Systems with Renewable Energy Sources
	5 Simulation of the Load–Frequency Control in Power System with Renewables
		5.1 Simulation of ALFCS Operation in Case of the Setpoint Change of the Net Interchange Power
		5.2 Load–Frequency Control in Case of the Active Power Imbalance
		5.3 Load–Frequency Control in Case of the Generation Setpoint Change in the Windfarm Controller
	6 Load–Frequency Control Study with the Energy Storage Systems
	References
On One Approach to Distribution Electrical Networks’ State Estimation Under Information Incompleteness Conditions
	1 Introduction
	2 The Features of Problem’s Setting, Formalizing, and Solving
	3 Illustrative Example
	4 Conclusions
	References
Improving the Efficiency of HPP and PSHPP Participation in the Electricity Market of Ukraine
	1 Introduction
	2 Influence of RES on Electricity Production/Consumption Balances
	3 The Importance of Hydropower Plants in the Structure of Ancillary Services
	4 Planning of HPP/PSHPP Operation in the Electricity Market
	5 Modeling of HPP/PSHPP Operation in the Electricity Market
	6 Conclusions
	References
Application of Energy Storage for Automatic Load and Frequency Control
	1 Introduction
	2 Mathematical Model
	3 Modelling Example
	4 Conclusions
	References
Short-Term Load Forecasting in Electrical Networks and Systems with Artificial Neural Networks and Taking into Account Additional Factors
	1 Introduction
	2 Application of Artificial Neural Networks for Forecasting Electrical Load at Different Levels of Power Systems
		2.1 Forecasting of Hierarchical Levels of the Power System
		2.2 Retrospective Data and Results of Forecasting Different Hierarchical Levels of the Power System
		2.3 Decomposition of Schedules of Total Electric Load and Forecasting of Total Electric Load Taking into Account Temperature
		2.4 Analysis of the Results of Total Forecasting Taking into Account the Temperature
	3 Short-Term Nodal Load Forecasting Taking into Account Temperature
	4 Conclusion
	References
Synthesis of Models of the Complex Electric Power Systems
	1 Introduction
	2 Mechanisms and Constrains of Synthesis of the Complex Power Systems with RES
		2.1 Power Quality Issues of RES Integration to the Power Systems
		2.2 Technical Means of Synthesis of the Complex Power Sytems with DG and RES
		2.3 Demand Side Management Mechanisms of Synthesis of the Comples Power Sytems with DG and RES
	3 Game-Theoretic Approach to Optimization of Synthesis of the Complex Power Systems with DG and RES
		3.1 Cost Effective Parameter Optimization Methods for Complex Power Systems with RES
		3.2 Game-Theoretic Approach to Complex Power System Synthesis Optimization
	4 Conclusions
	References
Optimization of Energy Processes in Local Power Supply Systems with Variable Operating Modes
	1 Introduction
	2 Features of Local Power Supply Systems Development According to the Smart Grid Concept
	3 Features of LPSS Modes Optimisation with Demand Side Management Programs
	4 Application of Frieze Reactive Power QF to Assess the Optimality of LPSS Operation Modes
	5 Analysis of the Influence of Cosφ Change and Non-sinusoidality on the Change on QF Value
	6 Optimisation of Power Supply System Operation Modes Based on Minimisation of Frieze Reactive Power QF Components
	7 Optimisation of Electricity Demand Management Processes by Optimizing Consumers Operation Modes
	8 Conclusions
	References
Short-Term Forecasting of Photovoltaic Solar Power Generation Based on Time Series: Application for Ensure the Efficient Operation of the Integrated Energy System of Ukraine
	1 Introduction
	2 Integration of Renewable Energy Sources into the Electricity System of Ukraine: Current Status, Tasks and Challenges
	3 Analysis of Factors Influencing Solar Generation
	4 Methodological Bases of Solar Generation Forecasting
		4.1 Solar Photovoltaic Generation Forecasting Methods: A Review
		4.2 Application of Time Series for Solar Generation Forecast
		4.3 Methodology of Construction of Seasonal Model of Moving Average Autoregression
	5 Results of Modeling and Verification of Forecast Accuracy
		5.1 SARIMA Models for Short-Term PV Generation Forecasting
		5.2 Verification of the SARIMA Model Forecast Accuracy
	6 Conclusions
	References
Research and Development of Means of Automated Monitoring of Time-Synchronization Devices of Power Systems
	1 Introduction
	2 Problem Formulation
	3 Development of a Device for Multi-channel Monitoring of Time-Synchronization Signals of Power Systems
	4 Theoretical and Probability Studies of the Characteristics’ Stability of the Means of Automated Monitoring of Time-Synchronization Devices in Real Operating Conditions at Power Network Facilities
	5 Experimental Studies of the Device for Multi-channel Monitoring of the Time-Synchronization Signals of Power Systems
	6 Conclusions
	References
Power Quality Monitoring System for Electrical Networks
	1 Introduction
	2 Information Model for Determining the Presence of Distortion of Electricity Quality and Its Type
	3 Generalized Identifier of the Presence of Distortions in the Quality of Electricity
	4 Method for Unambiguous Identification of the Presence of Distortions in the Quality of Electricity
	5 Approbation of Research Results
	6 Development of Method for Detecting and Identifying Distortions of Electricity Quality
	7 The Formation of the Vector of Classification Features of Electric Power Quality Distortions
	References
Faults Indicators Applying for Smart Monitoring System for Improving Reliability Electric Power Distribution
	1 Introduction
	2 Faults Indicators as Part of Smart Grid Distribution Networks
	3 Selection of the Optimal Configuration of the Monitoring System for Radial Electric Networks
	4 Accounting for the Components of Losses of the Electricity Distribution System Operators from Undersupply of Electricity
	5 Analysis of Zones of Sensitivity of Emergency Locks to Emergency Currents in LV and MV Electrical Networks 10 kV
	6 Conclusions
	References
Information Technology Platform for Automation of Decision-Making Processes by the Organizational Management System
	1 Introduction
	2 Automation of Decision-Making Processes by the Organizational Management System
		2.1 Problem Formulation of Creating the Organizational Management System of the Electricity Market
		2.2 Analysis State of the Modern Research on the Creation of Organizational Management Systems for Energy Markets
		2.3 Directions for Improving the Organizational Management Systems of the Electricity Market
	3 Conceptual Representation of the Information Technology Platform for Automation of Decision-Making Processes by the Organizational Management System
		3.1 Organizational Schema of Information Technology Platform for Decision-Making Process Automation
		3.2 Analysis of the Functioning Processes Representation for the Organizational Management System
		3.3 Information Model for Subject Area of the Organizational Management System
		3.4 Functional Model of Information Technology Platform for Decision-Making Processes Automation
	4 Organization of the User Interface in the Information Technology Platform for Decision Support System Construction
		4.1 Classification of User Interaction Operations with Subject Area Objects of the Organizational Management System
		4.2 Information Model for Representing User Interfaces of the Decision Support System
		4.3 Functional Modules of the Decision Support System User Interfaces
	5 Conclusions
	References
Increasing the Reliability of Lightning Protection of Electric Power Facilities
	1 Introduction
	2 EF Simulation in the Vicinity of Thin Conductive Rods of Great Length
		2.1 Statement of the Problem of Calculating the EF in the Vicinity of Conductive Rods of Great Length
		2.2 EF Distribution in the Presence of Ionized Streamer Zone Near the Top of the Lightning Leader Channel
	3 Statistical Model of Electrophysical Processes During a Lightning Strike into Ground Objects
		3.1 Statistical Modeling of the “Selection” of the Strike Place by Lightning
		3.2 Comparison of Experimental and Calculated Data on the Place of Discharge in Long Air Gaps
	4 Study of Corona Processes at the Tops of Grounded Rods Simulating Protected Objects and Lightning Rods
	5 Physical Modeling of Electromagnetic Processes During the Development of the Corona on Rod Electrodes with Different Vertices
		5.1 Method for Measuring Corona Current
		5.2 Dependence of the Corona Current on the EF Nature
		5.3 Dependence of the Corona Current on the Rod Geometry
		5.4 Experimental Results
	6 Mathematical Modeling of Corona Discharges from Rod Electrodes
		6.1 Comparison of Calculated and Experimental Results
		6.2 Dependence of the Corona Current on Emax
		6.3 Dependence of the Initial Value of the Corona on the Volume of the Zone Due to the Critical EF
	References
Actual Trends of Electrical Distribution Systems Automation
	1 Introduction
	2 Remotely Controlled Switching Devices
	3 Soft Open Points
	4 Conclusions
	References