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Mostrando ítems 21-40 de 112
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Analytical frequency-constrained UC for island power systems
Rouco Ferriz, Almudena; Rajabdorri, Mohammad; Lobato Miguélez, Enrique; Sigrist, Lukas (Institute of Electrical and Electronics Engineers; Institute of Electrical and Electronics Engineers (Belgrado, Serbia), 2023-06-29)This paper presents a frequency-constrained unit commitment (FCUC) formulation for island power systems. The timely activation of spinning reserve is key to guaranteeing frequency stability in the operation planning phase. ... -
Battery energy storage integration in wind farms: economic viability in the Spanish market
Lobato Miguélez, Enrique; Sigrist, Lukas; Ortega Manjavacas, Álvaro; González García, Alezeia; Fernández de Bobadilla, Jose María (2022-12-01)This paper proposes an economic assessment tool that determines the viability of a battery energy storage system (BESS) integrated within renewable power plants for different market applications such as day-ahead price ... -
Confronting the threat: analysis of the impact of MaDIoT attacks in two power system models
Rodríguez Pérez, Néstor; Matanza Domingo, Javier; Sigrist, Lukas; Rueda Torres, José Luis; López López, Gregorio (2023-12-01)The increasing penetration of Internet of Things (IoT) devices at the consumer level of power systems also increases the surface of attack for the so-called Manipulation of Demand through IoT (MaDIoT) attacks. This paper ... -
Control of wind turbines. Introduction & power ramp-up and ramp-down rate limits and power curtailment for frecuency control in wind farms
Egido Cortés, Ignacio; García Cerrada, Aurelio; Rouco Rodríguez, Luis; Sigrist, Lukas -
Coordinated control in multi-terminal VSC-HVDC systems to improve transient stability: Impact on electromechanical-oscillation damping
Renedo Anglada, Javier; Rouco Rodríguez, Luis; García Cerrada, Aurelio; Sigrist, LukasMulti-terminal high-voltage Direct Current technology based on Voltage-Source Converter stations (VSC-MTDC) is expected to be one of the most important contributors to the future of electric power systems. In fact, among ... -
Coordinated control in VSC-HVDC Multi- terminal systems to improve transient stability: the impact of communication latency
Renedo Anglada, Javier; García Cerrada, Aurelio; Rouco Rodríguez, Luis; Sigrist, Lukas (2019-10-01)Power transmission is the main purpose of high voltage direct current systems based on voltage source converters (VSC-HVDC). Nevertheless, this type of system can also help to improve transient stability by implementing ... -
Coordinated design of supplementary controllers in VSC-HVDC multi-terminal systems to damp electromechanical oscillations
Renedo Anglada, Javier; García Cerrada, Aurelio; Rouco Rodríguez, Luis; Sigrist, LukasHigh Voltage Direct Current Transmission (HVDC) systems are called to play an important role in modern electric power systems. Among the many aspects of HVDC currently under active research, this paper presents a proposal ... -
Coordinated design of supplementary controllers in VSC-HVDC multi-terminal systems to damp electromechanical oscillations
Renedo Anglada, Javier; García Cerrada, Aurelio; Rouco Rodríguez, Luis; Sigrist, Lukas (2021-01-01)High Voltage Direct Current Transmission (HVDC) systems are called to play an important role in modern electric power systems. Among the many aspects of HVDC currently under active research, this paper presents a proposal ... -
Design and comparison of UFLS schemes of isolated power systems based on frequency stability margin
Vadillo Díaz de Aguilar, Mónica; Sigrist, Lukas; Rudez, UrbanIncreasing penetration of renewable energy resources (RES) affects stability and, in particular, frequency stability of island power systems like the Canary Islands. System protection involves underfrequency load shedding ... -
Design and comparison of UFLS schemes of isolated power systems based on frequency stability margin
Vadillo Díaz de Aguilar, Mónica; Sigrist, Lukas; Rudez, Urban (Institute of Electrical and Electronics Engineers; Institute of Electrical and Electronics Engineers (Belgrado, Serbia), 2023-06-29)Increasing penetration of renewable energy resources (RES) affects stability and, in particular, frequency stability of island power systems like the Canary Islands. System protection involves underfrequency load shedding ... -
Design and sensitivity analysis of underfrequency load-shedding schemes of isolated power systems based on frequency stability margin
Vadillo Díaz de Aguilar, Mónica; Sigrist, Lukas; Rouco Rodríguez, Luis; Rudez, UrbanThe objective of this paper is to tune the parameters of an underfrequency load shedding (UFLS) scheme based on the frequency stability margin (FSM) and compare its performance with the conventional UFLS scheme. The ... -
Design and sensitivity analysis of underfrequency load-shedding schemes of isolated power systems based on frequency stability margin
Vadillo Díaz de Aguilar, Mónica; Sigrist, Lukas; Rouco Rodríguez, Luis; Rudez, Urban (Institute of Electrical and Electronics Engineers Power and Energy Society (Orlando, Estados Unidos de América), 2023-09-25)The objective of this paper is to tune the parameters of an underfrequency load shedding (UFLS) scheme based on the frequency stability margin (FSM) and compare its performance with the conventional UFLS scheme. The ... -
Design of power system stabilizers to damp low frequency inter-area oscillations with limited information
Renedo Anglada, Javier; Sigrist, Lukas; Rouco Rodríguez, LuisThis paper proposes a simplified approach to design power system stabilizers (PSSs) aimed at damping low frequency inter-area oscillations when only limited information of the power system is available. The proposed method ... -
Design of power system stabilizers to damp low frequency inter-area oscillations with limited information
Renedo Anglada, Javier; Sigrist, Lukas; Rouco Rodríguez, Luis (Institute of Electrical and Electronics Engineers Power and Energy Society; Politecnico di Milano (Milán, Italia), 2019-06-23)This paper proposes a simplified approach to design power system stabilizers (PSSs) aimed at damping low frequency inter-area oscillations when only limited information of the power system is available. The proposed method ... -
Design of UFLS schemes taking into account load variation
Sigrist, Lukas; Rouco Rodríguez, Luis (Wroclaw University of Technology (Breslavia, Polonia), 2014-08-18)Underfrequency load-shedding (UFLS) schemes are a last-resort tool to protect a power system in case of a severe disturbance. This paper presents a design of UFLS schemes taking into account load variation, affecting their ... -
Development of a PSSE tool for power-flow calculation and dynamic simulation of VSC-HVDC multi-terminal systems
Renedo Anglada, Javier; García Cerrada, Aurelio; Rouco Rodríguez, Luis; Sigrist, Lukas; Egido Cortés, Ignacio; Sanz Verdugo, SilviaThis paper describes the implementation of a PSSE tool for power flow calculation and dynamic simulation of High Voltage Direct Current (HVDC) multi-terminal systems based on Voltage Source Converters. The tool is valid ... -
Dynamic virtual power plant: a new concept for grid integration of renewable energy sources
Marinescu, Bogdan; Gomis Bellmunt, Oriol; Dörfler, Florian; Schulte, Horst; Sigrist, Lukas (2022-12-31)The concept of Virtual Power Plant (VPP) has arisen over a decade ago from the relatively low competitiveness of the back then emerging non-dispatchable RES. A set of smaller generators imitates the behavior of large ... -
Economic assessment of battery energy storage systems for reducing production deviations of wind farms
Utrilla Bustamante, María de la Candelaria; Rouco Rodríguez, Luis; Sigrist, LukasBattery Energy Storage Systems (BESSs) can increase the controllability of wind farms and, therefore, the incomes its operators obtain in the energy markets. More precisely, BESSs can be used to reduce the production ... -
Economic assessment of battery energy storage systems for reducing production deviations of wind farms
Utrilla Bustamante, María de la Candelaria; Rouco Rodríguez, Luis; Sigrist, Lukas (Institute of Electrical and Electronics Engineers Power and Energy Society; Technische Universiteit (La Haya, España), 2020-10-25)Battery Energy Storage Systems (BESSs) can increase the controllability of wind farms and, therefore, the incomes its operators obtain in the energy markets. More precisely, BESSs can be used to reduce the production ... -
Economic assessment of smart grid initiatives for island power systems
Sigrist, Lukas; Lobato Miguélez, Enrique; Rouco Rodríguez, Luis; Gazzino, Marco; Cantù, Matteo (2017-03-01)Islands are facing considerable challenges in meeting their energy needs in a sustainable, affordable and reliable way. The present paper develops an integrated approach to economically assess initiatives that can transform ...