Search Results - "Van Hertem, D"

Phase shifter coordination for optimal transmission capacity using particle swarm optimization by Verboomen, J., Van Hertem, D., Schavemaker, P.H., Spaan, F.J.C.M., Delincé, J.-M., Belmans, R., Kling, W.L.

“…When several phase shifting transformers (PSTs) are installed in a meshed grid, the coordination of these devices has to be studied carefully. A poor…”
Get full text

Analytical Approach to Grid Operation With Phase Shifting Transformers by Verboomen, J., Van Hertem, D., Schavemaker, P.H., Kling, W.L., Belmans, R.

“…Analytical expressions are derived to gain insight in the operating principles of phase shifting transformers (PSTs) in a highly meshed grid. To this extent,…”
Get full text

Analysing the performance of incremental quantity based directional time-domain protection near HVAC cables and VSC HVDC converters by Vermunicht, J., Leterme, W., Van Hertem, D.

“…New grid elements such as Voltage Source Converters (VSC) and cables are being increasingly used in today’s power grid. These new grid elements behave…”
Get full text

A new HVDC grid test system for HVDC grid dynamics and protection studies in EMT-type software by Leterme, W, Ahmed, N, Beerten, J, A¨ngquist, L, Van Hertem, D, Norrga, S

“…This paper proposes a new HVDC grid test system for electromagnetic transient analysis, suitable for HVDC power system studies ranging from protection to…”
Get full text

Analysis of DC breaker requirements for different HVDC grid protection schemes by Geebelen, B, Leterme, W, Van Hertem, D

“…This paper compares the DC breaker requirements for different DC breaker protection schemes for high voltage direct current (HVDC) grids with half bridge…”
Get full text

Reduced Modular Multilevel Converter Model to Evaluate Fault Transients in DC Grids by Leterme, W, Van Hertem, D

“…This paper proposes a reduced model for a modular multilevel converter (MMC) that can be used to evaluate the first transient after a short circuit fault in a…”
Get full text

A DC grid primary protection algorithm based on current measurements by Azad, S. Pirooz, Leterme, W., Van Hertem, D.

“…This paper proposes a data-based primary fault detection and identification (FDI) algorithm for HVDC grids. The proposed FDI algorithm utilizes only current…”
Get full text

Protection and pole voltage rebalancing for pole-to-ground faults in symmetrical monopolar HVDC grids by Wang, M, Leterme, W, Chaffey, G, Beerten, J, Van Hertem, D

“…Pole rebalancing in symmetrical monopolar HVDC grids is necessary to remove pole imbalances resulting from pole-to-ground faults. For selective protection…”
Get full text

Review of wind generation within adequacy calculations and capacity markets for different power systems by Söder, Lennart, Tómasson, Egill, Estanqueiro, Ana, Flynn, Damian, Hodge, Bri-Mathias, Kiviluoma, Juha, Korpås, Magnus, Neau, Emmanuel, Couto, António, Pudjianto, Danny, Strbac, Goran, Burke, Daniel, Gómez, Tomás, Das, Kaushik, Cutululis, Nicolaos A., Van Hertem, Dirk, Höschle, Hanspeter, Matevosyan, Julia, von Roon, Serafin, Carlini, Enrico Maria, Caprabianca, Mauro, Vries, Laurens de

“…The integration of renewable energy sources, including wind power, in the adequacy assessment of electricity generation capacity becomes increasingly important…”
Get full text

Primary and secondary power control of multiterminal HVDC grids by Egea-Alvarez, A, Beerten, J, Van Hertem, D, Gomis-Bellmunt, O

“…The article introduces a hierarchical control structure for Multiterminal High Voltage Direct Current (M-HVDC) systems. The presented hierarchy is similar to…”
Get full text

Impedance-based stability assessment of parallel VSC HVDC grid connections by Bayo-Salas, A, Beerten, J, Rimez, J, Van Hertem, D

“…The number of converters connected to the system is likely to be increased. These devices may interact with each other through the network. TSOs are concerned…”
Get full text

Transmission System Topology Optimization for Large-Scale Offshore Wind Integration by Ergun, Hakan, Van Hertem, Dirk, Belmans, Ronnie

“…A method to determine the optimal transmission system topology for multiple offshore wind farms is introduced using a rule-based generic algorithm. The…”
Get full text

Optimal dc reference voltage in HVDC grids by Renner, R.H, Beerten, J, Van Hertem, D

“…In a HVDC grid, power energy equilibrium must be guaranteed at every moment to prevent DC voltage to increase or decrease to unacceptable values. Contrary to…”
Get full text

Implementation of bus bar switching and Short Circuit Constraints in optimal power flow problems by Van Acker, T., Van Hertem, D., Bekaert, D., Karoui, K., Merckx, C.

“…The topology of an electric network heavily influences power system operations, power flows, short circuit currents and certain reliability aspects. While…”
Get full text

Transmission investment problems in Europe: Going beyond standard solutions by Buijs, Patrik, Bekaert, David, Cole, Stijn, Van Hertem, Dirk, Belmans, Ronnie

“…The European transmission grid is facing an investment challenge. There is a strong call for more transmission capacity. At the same time, the investment…”
Get full text

Grid Impact of Voltage Control and Reactive Power Support by Wind Turbines Equipped With Direct-Drive Synchronous Machines by De Rijcke, Simon, Ergun, Hakan, Van Hertem, Dirk, Driesen, Johan

“…This paper proposes voltage control and reactive power support with direct-drive synchronous machines in wind turbines during normal operation and transient…”
Get full text

Coordination of multiple power flow controlling devices in transmission systems by Van Hertem, D, Eriksson, R, So¨der, L, Ghandhari, M

“…Power flow controlling devices are increasingly present in meshed systems. These devices have strong influence on the power flows throughout the power system…”
Get full text

A new approach to HVDC grid voltage control based on generalized state feedback by Beerten, Jef, Eriksson, Robert, Van Hertem, Dirk

“…In this paper, a new approach to DC voltage control in a High Voltage Direct Current (HVDC) grid is introduced. In an HVDC grid, the power sharing after a…”
Get full text

Building a new overlay grid for Europe by Ergun, H., Beerten, J., Van Hertem, D.

“…The strong growth and the expected further increase in renewable energy generation in Europe requires a fundamental upgrade of the transmission system. A…”
Get full text

Voltage Source Converter (VSC) HVDC for bulk power transmission - technology and planning method by Westermann, D, Van Hertem, D, Ku¨ster, A, Atmuri, R, Klo¨ckl, B, Rauhala, T

“…As the value of additional functionality of any new power technology is very case dependent, it is not possible to make general comments on the economics of…”
Get full text