Browsing by Author "Monadi, Mehdi"

Now showing items 1-13 of 13

    • A communication-assisted protection scheme for direct-current distribution networks 

      Monadi, Mehdi; Zamani, M. Amin; Koch-Ciobotaru, Cosmin; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2016-05-27)
      Article
      Open Access
      One of the major issues associated with the implementation of direct-current distribution systems is the design of a proper protection scheme. The fault current characteristics in direct-current distribution systems are ...

    • A communication: assisted protection for MVDC distribution systems with distributed generation 

      Monadi, Mehdi; Gavriluta, Catalin; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2015)
      Conference report
      Open Access
      In this paper, a communication-assisted protection scheme is proposed for medium voltage dc (MVDC) distribution networks. MVDC grids are applicable for connection between microgrids, upgrading the transmission capacity of ...

    • A protection strategy for fault detection and location for multi-terminal MVDC distribution systems with renewable energy systems 

      Monadi, Mehdi; Koch-Ciobotaru, Cosmin; Luna Alloza, Álvaro; Candela García, José Ignacio; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      A fault location method and a fault clearance strategy are presented in this paper for medium voltage dc (MVDC) distribution system. MVDC systems are applicable for connection between microgrids (MGs) and integration of ...

    • Analysis of ferroresonance effects in distribution networks with distributed source units 

      Monadi, Mehdi; Luna Alloza, Álvaro; Candela García, José Ignacio; Rocabert Delgado, Joan; Fayezizadeh, Mostafa; Rodríguez Cortés, Pedro (2013)
      Conference report
      Restricted access - publisher's policy
      The connection of Distributed Generation (DG) units to existing networks may give rise to harmful effects on the network and the DG units itself. Therefore, due to increasing penetration of DG units, it is important to ...

    • Centralized protection strategy for medium voltage DC microgrids 

      Monadi, Mehdi; Gavriluta, Catalin; Luna Alloza, Álvaro; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2016-08-15)
      Article
      Open Access
      This paper presents a centralized protection strategy for medium voltage dc (MVDC) microgrids. The proposed strategy consists of a communication-assisted fault detection method with a centralized protection coordinator and ...

    • Design of a centralized protection technique for medium voltage DC microgrids 

      Monadi, Mehdi; Koch-Ciobotaru, Cosmin; Luna Alloza, Álvaro; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2015)
      Conference report
      Open Access
      This paper presents a communication-assisted protection technique for dc microgrids. The technique, consist of a centralized fault detection, by use of the differential method; and a fault isolation strategy by coordinated ...

    • Distributed FLISR algorithm for smart grid self-reconfiguration based on IEC61850 

      Koch-Ciobotaru, Cosmin; Monadi, Mehdi; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      This paper proposes a distributed algorithm for Fault Location, Isolation, and Service Restoration (FLISR) to be implemented as part of the intelligent software for controlling the operation of each circuit breaker. The ...

    • Enhanced performance of SVC via using rotor speed deviation signal (RSDS) 

      Ghorbani, Hamidreza; Monadi, Mehdi; Luna Alloza, Álvaro; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2015)
      Conference report
      Open Access
      Transient stability enhancement through using a Static Var Compensator (SVC) and Rotor Speed Deviation Signal (RSDS) of synchronous machine are thoroughly investigated in this paper. Speed deviation signal of generator as ...

    • Implementation of the differential protection for MVDC distribution systems using real-time simulation and hardware-in-the-loop 

      Monadi, Mehdi; Koch-Ciobotaru, Cosmin; Luna Alloza, Álvaro; Candela García, José Ignacio; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Open Access
      Development of Medium Voltage DC (MVDC) distribution systems require using proper protection schemes whereas due to the behavior of dc fault current, the conventional fault detection methods for ac distribution systems ...

    • Measurement-based network clustering for active distribution systems 

      Monadi, Mehdi; Hooshyar, Hossein; Vanfretti, Luigi; Mahmood, Farhan; Candela García, José Ignacio; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2019-04-11)
      Article
      Open Access
      This paper presents a network clustering (NC) method for active distribution networks (ADNs). Following the outage of a section of an ADN, the method identifies and forms an optimum cluster of microgrids within the section. ...

    • Multi-terminal MVDC grids fault location and isolation 

      Monadi, Mehdi; Koch-Ciobotaru, Cosmin; Luna Alloza, Álvaro; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2016-06-28)
      Article
      Open Access
      Voltage source converters (VSCs) are highly vulnerable to DC fault current; thus, protection is one of the most important concerns associated with the implementation of multi-terminal VSC-based DC networks. This paper ...

    • Protection and fault management in active distribution systems 

      Monadi, Mehdi (Universitat Politècnica de Catalunya, 2016-12-14)
      Doctoral thesis
      Open Access
      The integration of renewable energy resources (RES), as a type of distributed generation (OG) units, is increasing in distribution, systems. This integration, changes the topology, performance and the operational aspects ...

    • Protection of AC and DC distribution systems. Embedding distributed energy resources: a comparative review and analysis 

      Monadi, Mehdi; Zamani, M. Amin; Candela García, José Ignacio; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2015-11-01)
      Article
      Open Access
      The integration of distributed generation (DG) units into distribution networks has challenged the operating principles of traditional AC distribution systems, and also motivated the development of emerging DC systems. Of ...