Aineistot 1-10 / 423
Extended Kalman filter-based approach for Nodal pricing in active distribution networks
This article presents an analytical approach based on Extended Kalman Filter (EKF) for nodal pricing in distribution networks containing private distributed generation (DG). An appropriate nodal pricing policy can direct ...
Optimized Operation of Local Energy Community Providing Frequency Restoration Reserve
(Institute of Electrical and Electronics Engineers, 2020-09-29)
In order to unlock the maximum flexibility potential of all levels in the power system, distribution-network-located flexible energy resources (FERs) should play an important role in providing system-wide ancillary services. ...
Decision tree analysis to identify harmful contingencies and estimate blackout indices for predicting system vulnerability
Cascading failure is the main mechanism for progressing large blackouts in power systems. Following an initial event, it is challenging to predict whether there is a potential for starting cascading failure. In fact, the ...
Minimizing wind power curtailment using a continuous-time risk-based model of generating units and bulk energy storage
Wind power curtailment (WPC) occurs because of the non-correlation between wind power generation (WPG) and load, and also due to the fast sub-hourly variations of WPG. Recently, advances in energy storage technologies ...
Utilization of a mixture of CTs and current sensors in line differential protection applications
The popularity of Rogowski sensors is increasing due to their advantages over conventional CTs. Consequently, network utilities may sometimes end up facing a question whether it would be possible to use line differential ...
Sensitivity analysis of frequency and voltage stability in islanded microgrid
This paper studies the voltage and frequency stability of an islanded microgrid and the sensitivity of these quantities to certain changes in system configuration. In conventional power systems the system frequency ...
Voltage and current THD in microgrid with different DG unit and load configurations
After microgrid transition from the normal operation to the islanded operation the system impedance changes considerably and it affects on the harmonic voltages of the microgrid. In this paper the voltage ...
Protection system for future LV microgrids
Traditional protection of low voltage (LV) network will not be applicable for future LV microgrids and new adaptive protection system must be developed. In this paper adaptive protection system for LV microgrid during ...
Novel protection approach for MV microgrid
The amount of distributed generation (DG) connected to medium voltage (MV) networks is expected to increase continuously. This trend creates a good opportunity to use MV feeders as microgrids. Normally ...
Active network management scheme for reactive power control
In the future new options to provide needed technical ancillary services locally and system-wide by distributed energy resources (DER) are needed. One ancillary service which DER could provide is the reactive power management ...