Now showing items 1-19 of 19

    • A review of energy storage technologies for large scale photovoltaic power plants 

      Bullich Massagué, Eduard; Cifuentes-García, Francisco-Javier; Glenny Crende, Ignacio; Cheah Mañé, Marc; Aragüés Peñalba, Mònica; Díaz González, Francisco; Gomis Bellmunt, Oriol (2020-09-15)
      Article
      Restricted access - publisher's policy
      Energy storage can play an essential role in large scale photovoltaic power plants for complying with the current and future standards (grid codes) or for providing market oriented services. But not all the energy storage ...
    • Admittance study of grid-connected VSCs for harmonic oscillatory instabilities 

      Sainz Sapera, Luis; Monjo, Luis; Cheah Mañé, Marc; Liang, Jun; Gomis Bellmunt, Oriol; Prieto Araujo, Eduardo (2019-09-17)
      Article
      Open Access
      Voltage source converters (VSCs) can reduce damping of grid-connected VSC systems at harmonic resonances, leading to system instability. The conductance of the VSC admittance can be shaped selecting appropriate VSC parameter ...
    • Assessment of subsynchronous oscillations in AC grid-connected VSC systems with type-4 wind turbines 

      Sainz Sapera, Luis; Monjo Mur, Lluís; Cheah Mañé, Marc; Liang, Jun (2019-12-09)
      Article
      Open Access
      Converters are the key for increasing the development of renewable energy generation but their dynamic interaction with the grid has an important impact on stability. Oscillatory instabilities in different grid-connected ...
    • Criterion for the electrical resonance stability of offshore wind power plants connected through HVDC links 

      Cheah Mañé, Marc; Sainz Sapera, Luis; Liang, Jun; Jenkins, Nicholas; Ugalde Loo, Carlos E. (2017-11-01)
      Article
      Open Access
      Electrical resonances may compromise the stability of HVDC-connected offshore wind power plants (OWPPs). In particular, an offshore HVDC converter can reduce the damping of an OWPP at low-frequency series resonances, leading ...
    • Effect of wind turbine converter control on wind power plant harmonic response and resonances 

      Sainz Sapera, Luis; Monjo Mur, Lluís; Pedra Durán, Joaquim; Cheah Mañé, Marc; Liang, Jun; Gomis Bellmunt, Oriol (2017-02-01)
      Article
      Restricted access - publisher's policy
      Wind turbine harmonic emissions due to power electronics are a well-known power quality concern in wind power plants (WPPs). This problem may be increased by resonances because they amplify harmonic distortion around ...
    • Electrical resonance instability study in traction systems 

      Sainz Sapera, Luis; Monjo Mur, Lluís; Mesas García, Juan José; Pedra Durán, Joaquim; Cheah Mañé, Marc (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      Traction system stability can be affected by the interaction between the traction load and resonances in the railway traction grid. This paper presents an electrical resonance instability study applied to traction systems. ...
    • Electrical resonance instability study in wind power plants 

      Sainz Sapera, Luis; Mesas García, Juan José; Monjo Mur, Lluís; Pedra Durán, Joaquim; Cheah Mañé, Marc (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      Wind power plant stability can be affected by the interaction between the wind turbine and the resonances in the collector grid. This paper presents an electrical resonance instability study applied to wind power plants. The ...
    • Energy-based control of a DC Modular Multilevel Converter for HVDC grids 

      Cheah Mañé, Marc; Arévalo Soler, Josep; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2020-08)
      Article
      Open Access
      DC-DC converters are expected to interconnect High Voltage Direct Current (HVDC) grids with different configurations or voltage levels, which will increase reliability and operational flexibility. The DC Modular Multilevel ...
    • Flexible converters for meshed HVDC grids: From Flexible AC Transmission Systems (FACTS) to Flexible DC grids 

      Gomis Bellmunt, Oriol; Sau Bassols, Joan; Prieto Araujo, Eduardo; Cheah Mañé, Marc (Institute of Electrical and Electronics Engineers (IEEE), 2020-02-01)
      Article
      Open Access
      Flexible Alternating Current Transmission Systems (FACTS) have achieved to enhance the flexibility of modern AC power systems, by providing fast, reliable and controllable solutions to steer the power flows and voltages ...
    • Impedance-based analysis of harmonic instabilities in HVDC-connected Offshore Wind Power Plants 

      Cheah Mañé, Marc; Sainz Sapera, Luis; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (2019-03-01)
      Article
      Restricted access - publisher's policy
      HVDC-connected Offshore Wind Power Plants (OWPPs) with a large number of power converters are prone to instabilities due to interactions with converter controllers. This paper analyzes harmonic instabilities in OWPPs ...
    • Implementació d'una microxarxa monofàsica basada en convertidors de tipologia VSC 

      Cheah Mañé, Marc (Universitat Politècnica de Catalunya, 2013-02)
      Master thesis (pre-Bologna period)
      Open Access
      Implementació d'una microxarxa monofàsica basada en convertidors de tipologia VSC 1 Resum En aquest projecte es presenta la construcció i validació d'una microxarxa que forma part del sistema elèctric monofàsic dels ...
    • Interaction analysis in islanded power systems with HVDC interconnections 

      Collados Rodríguez, Carlos; Prieto Araujo, Eduardo; Cheah Mañé, Marc; Ferrer San José, Ricard; Gomis Bellmunt, Oriol; Sanz, Silvia; Longás, Carmen; Cordón, Antonio; Coronado, Luis (2018)
      Conference lecture
      Open Access
    • Modelling VSCs connected to weak grids 

      Orellana Montaño, Luis Carlos; Prieto Araujo, Eduardo; Sainz Sapera, Luis; Cheah Mañé, Marc; Gomis Bellmunt, Oriol (2019)
      Conference report
      Restricted access - publisher's policy
      This paper addresses the oscillatory stability phenomena studied in the literature and reported by network operators in grid-connected VSC systems. Negative interactions have been observed at different frequencies in these ...
    • Optimal sizing and location of reactive power compensation in offshore HVAC transmission systems for loss minimization 

      Dakic, Jovana; Cheah Mañé, Marc; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (2019)
      Conference lecture
      Open Access
    • Positive-net-damping stability criterion in grid-connected VSC systems 

      Sainz Sapera, Luis; Cheah Mañé, Marc; Monjo, Luis; Liang, Jun; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2017-12-01)
      Article
      Open Access
      Resonance instabilities in power systems can be assessed with the positive-net-damping stability criterion. This criterion is a review of the complex torque coefficients method, but it does not provide the frequency of the ...
    • Renewable energy emulation concepts for microgrids 

      Prieto Araujo, Eduardo; Olivella Rosell, Pol; Cheah Mañé, Marc; Villafafila Robles, Roberto; Gomis Bellmunt, Oriol (2015-10-01)
      Article
      Open Access
      This paper reviews the renewable energy systems emulators proposals for microgrid laboratory testing platforms. Four emulation conceptual levels are identified based on the literature analysis performed. Each of these ...
    • Stability analysis of systems with high VSC penetration: where is the limit? 

      Collados Rodríguez, Carlos; Cheah Mañé, Marc; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2019-12-16)
      Article
      Restricted access - publisher's policy
      The paper addresses the stability of modern voltage-source-converter-dominated power systems, which are experiencing a progressive phase-out of conventional generation. An essential system model is used to capture the ...
    • Stability and interaction analysis in islanded power systems including VSC-HVDC and LCC-HVDC power converters 

      Collados Rodríguez, Carlos; Cheah Mañé, Marc; Prieto Araujo, Eduardo; Ferrer San José, Ricard; Sánchez Sánchez, Enric; Gomis Bellmunt, Oriol; Sanz, Silvia; Longás, Carmen; Cordón, Antonio; Coronado, Luis (2018)
      Conference lecture
      Restricted access - publisher's policy
      Islanded power systems are often connected to larger mainland power systems using HVDC cables. These interconnections are used to import power at lower cost compared to local generation and improve the security of supply. ...
    • Wind power plant resonances 

      Sainz Sapera, Luis; Cheah Mañé, Marc; Monjo, Luis; Liang, Jun; Gomis Bellmunt, Oriol (2016-12)
      Article
      Open Access
      Onshore and offshore wind power plants comprising wind turbines equipped with power converters are increasing in number worldwide. Harmonic emissions in power converters distort currents and voltages, leading to power ...