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Publications (10 of 196) Show all publications
Angioni, A., Hooshyar, H., Vanfretti, L., Garcia, C. & et al., . (2017). A distributed automation architecture for distribution networks, from design to implementation. Sustainable Energy, Grids and Networks
Open this publication in new window or tab >>A distributed automation architecture for distribution networks, from design to implementation
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2017 (English)In: Sustainable Energy, Grids and Networks, ISSN 0284-4354, E-ISSN 2352-4677Article in journal (Refereed) In press
Abstract [en]

With the current increase of distributed generation in distribution networks, line congestions and PQ issues are expected to increase. The smart grid may effectively coordinate DER, only when supported by a comprehensive architecture for automation. In IDE4L project such architecture is designed based on monitoring, control and business use cases. The IDE4L instance of SGAM architecture is derived and explained in details. The automation actor are specified in terms of interfaces, database and functions. The division in these three layers boosted the implementation phase as dedicated interfaces, databases or application has been developed in a modular way and can be installed in different HW/SW. Some implementation instances are presented and the main output of the architecture is discussed with regards to some indexes as communication traffic and level of distribution of automation functions.

Place, publisher, year, edition, pages
Elsevier, 2017
National Category
Energy Systems
Identifiers
urn:nbn:se:kth:diva-206223 (URN)10.1016/j.segan.2017.04.001 (DOI)
Funder
StandUp
Note

QC 20170628

Available from: 2017-04-28 Created: 2017-04-28 Last updated: 2017-06-28Bibliographically approved
Haddadi, A., Hooshyar, H., Mahseredjian, J., Dufou, C. & Vanfretti, L. (2017). A first step towards the implementation and software-to-software validation of an active distribution network model. In: : . Paper presented at International Conference on Power Systems Transients (IPST2017) in Seoul, Republic of Korea June 26-29, 2017. IPST 2017
Open this publication in new window or tab >>A first step towards the implementation and software-to-software validation of an active distribution network model
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2017 (English)Conference paper, Published paper (Refereed)
Place, publisher, year, edition, pages
IPST 2017, 2017
National Category
Engineering and Technology
Identifiers
urn:nbn:se:kth:diva-208408 (URN)
Conference
International Conference on Power Systems Transients (IPST2017) in Seoul, Republic of Korea June 26-29, 2017
Note

QC 20170627

Available from: 2017-06-07 Created: 2017-06-07 Last updated: 2017-08-11Bibliographically approved
Almas, M. S. & Vanfretti, L. (2017). A method exploiting direct communication between phasor measurement units for power system wide-area protection and control algorithms. MethodsX, 4, 346-359
Open this publication in new window or tab >>A method exploiting direct communication between phasor measurement units for power system wide-area protection and control algorithms
2017 (English)In: MethodsX, ISSN 1258-780X, E-ISSN 2215-0161, Vol. 4, p. 346-359Article in journal (Refereed) Published
Abstract [en]

Synchrophasor measurements from Phasor Measurement Units (PMUs) are the primary sensors used to deploy Wide-Area Monitoring, Protection and Control (WAMPAC) systems. PMUs stream out synchrophasor measurements through the IEEE C37.118.2 protocol using TCP/IP or UDP/IP. The proposed method establishes a direct communication between two PMUs, thus eliminating the requirement of an intermediate phasor data concentrator, data mediator and/or protocol parser and thereby ensuring minimum communication latency without considering communication link delays. This method allows utilizing synchrophasor measurements internally in a PMU to deploy custom protection and control algorithms. These algorithms are deployed using protection logic equations which are supported by all the PMU vendors. Moreover, this method reduces overall equipment cost as the algorithms execute internally in a PMU and therefore does not require any additional controller for their deployment. The proposed method can be utilized for fast prototyping of wide-area measurements based protection and control applications. The proposed method is tested by coupling commercial PMUs as Hardware-in-the-Loop (HIL) with Opal-RT’s eMEGAsim Real-Time Simulator (RTS). As illustrative example, anti-islanding protection application is deployed using proposed method and its performance is assessed. The essential points in the method are:

•  Bypassing intermediate phasor data concentrator or protocol parsers as the synchrophasors are communicated directly between the PMUs (minimizes communication delays).

•  Wide Area Protection and Control Algorithm is deployed using logic equations in the client PMU, therefore eliminating the requirement for an external hardware controller (cost curtailment)

•  Effortless means to exploit PMU measurements in an environment familiar to protection engineers

Place, publisher, year, edition, pages
Elsevier, 2017
Keyword
IEEE C37.118; Phasor Measurement Unit (PMU); Phasor Data Concentrator (PDC); Smart grid; Synchrophasors; Wide Area Monitoring Protection and Control (WAMPAC)
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electrical Engineering
Identifiers
urn:nbn:se:kth:diva-215753 (URN)10.1016/j.mex.2017.10.002 (DOI)000419836300041 ()2-s2.0-85031720126 (Scopus ID)
Projects
Strongrid, Nordic Energy Research
Note

QC 20171023

Available from: 2017-10-18 Created: 2017-10-18 Last updated: 2018-01-29Bibliographically approved
Hooshyar, H. & Vanfretti, L. (2017). A SGAM-based architecture for synchrophasor applications facilitating TSO/DSO interactions. In: : . Paper presented at 8th IEEE Conference on Innovative Smart Grid Technologies (ISGT). IEEE
Open this publication in new window or tab >>A SGAM-based architecture for synchrophasor applications facilitating TSO/DSO interactions
2017 (English)Conference paper, Published paper (Refereed)
Place, publisher, year, edition, pages
IEEE, 2017
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
urn:nbn:se:kth:diva-202196 (URN)
Conference
8th IEEE Conference on Innovative Smart Grid Technologies (ISGT)
Funder
StandUp
Note

QC 20170628

Available from: 2017-02-17 Created: 2017-02-17 Last updated: 2017-06-28Bibliographically approved
Hooshyar, H. & Vanfretti, L. (2017). A SGAM-Based Architecture for Synchrophasor Applications Facilitating TSO/DSO Interactions. IEEE
Open this publication in new window or tab >>A SGAM-Based Architecture for Synchrophasor Applications Facilitating TSO/DSO Interactions
2017 (English)Book (Other academic)
Abstract [en]

Distribution grid dynamics are becoming increasingly complex due to the transition of these networks from passive to active networks. This transition requires increasing the observability and awareness of the interactions between Transmission and Distribution (T&D) grids, particularly to guarantee adequate operational security. As part of the work carried out in the EU-funded IDE4L project, a specific use case, containing PMU-based monitoring functions, has been defined to support the architecture design of a distribution grid automation system. As a result, the architecture can accommodate for synchrophasor applications that provide key dynamic information extraction and exchange between DSO and TSO. This paper presents the use case and the portion of the IDE4L architecture that accommodates for scenarios that exploit synchrophasors for monitoring applications.

Place, publisher, year, edition, pages
IEEE, 2017
Series
2017 IEEE POWER & ENERGY SOCIETY INNOVATIVE SMART GRID TECHNOLOGIES CONFERENCE (ISGT)
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
urn:nbn:se:kth:diva-220649 (URN)000417427900023 ()
Note

QC 20180111

Available from: 2018-01-11 Created: 2018-01-11 Last updated: 2018-01-11Bibliographically approved
Hooshyar, H. & Vanfretti, L. (2017). A SGAM-based architecture for synchrophasor applications facilitating TSO/DSO interactions. In: 2017 IEEE Power and Energy Society Innovative Smart Grid Technologies Conference, ISGT 2017: . Paper presented at 2017 IEEE Power and Energy Society Innovative Smart Grid Technologies Conference, ISGT 2017, 23 April 2017 through 26 April 2017. Institute of Electrical and Electronics Engineers Inc.
Open this publication in new window or tab >>A SGAM-based architecture for synchrophasor applications facilitating TSO/DSO interactions
2017 (English)In: 2017 IEEE Power and Energy Society Innovative Smart Grid Technologies Conference, ISGT 2017, Institute of Electrical and Electronics Engineers Inc. , 2017Conference paper, Published paper (Refereed)
Abstract [en]

Distribution grid dynamics are becoming increasingly complex due to the transition of these networks from passive to active networks. This transition requires increasing the observability and awareness of the interactions between Transmission and Distribution (T&D) grids, particularly to guarantee adequate operational security. As part of the work carried out in the EU-funded IDE4L project, a specific use case, containing PMU-based monitoring functions, has been defined to support the architecture design of a distribution grid automation system. As a result, the architecture can accommodate for synchrophasor applications that provide key dynamic information extraction and exchange between DSO and TSO. This paper presents the use case and the portion of the IDE4L architecture that accommodates for scenarios that exploit synchrophasors for monitoring applications.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers Inc., 2017
Keyword
Active distribution grid, Architecture, PMU, SGAM, WAMS, Automation, Electric power system measurement, Electric power transmission networks, Network architecture, Passive networks, Phasor measurement units, Active distributions, Architecture designs, Automation systems, Monitoring applications, Monitoring functions, Operational security, Transmission and distribution, Smart power grids
National Category
Computer Systems
Identifiers
urn:nbn:se:kth:diva-226017 (URN)10.1109/ISGT.2017.8085977 (DOI)2-s2.0-85040194354 (Scopus ID)9781538628904 (ISBN)
Conference
2017 IEEE Power and Energy Society Innovative Smart Grid Technologies Conference, ISGT 2017, 23 April 2017 through 26 April 2017
Note

QC 20180412

Available from: 2018-04-12 Created: 2018-04-12 Last updated: 2018-04-12Bibliographically approved
Díez-Maroto, L., Vanfretti, L., Almas, M. S., Jónsdóttir, G. M. & Rouco, L. (2017). A WACS exploiting generator Excitation Boosters for power system transient stability enhancement. Electric power systems research, 148, 245-253
Open this publication in new window or tab >>A WACS exploiting generator Excitation Boosters for power system transient stability enhancement
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2017 (English)In: Electric power systems research, ISSN 0378-7796, E-ISSN 1873-2046, Vol. 148, p. 245-253Article in journal (Refereed) Published
Abstract [en]

Excitation Boosters (EB) are designed to improve transient stability of synchronous generators equipped with bus fed static excitation systems. They can be controlled using either local or remote signals following a disturbance. This paper explores how critical clearing times (CCT) can be improved by EBs controlled using remote signals. Particularly, Pseudo Center of Inertia (PCOI) and Dominant Interarea Path (DIP) signals derived from Phasor Measurement Units (PMU) within a Wide Area Control System (WACS) are used. Prototype controllers are tested by means of a Real Time (RT) Hardware-in-the-Loop (HIL) experimental setup.

Place, publisher, year, edition, pages
Elsevier Ltd, 2017
Keyword
Excitation Booster, HIL, PMUs, Real Time systems, Synchronous generator transient stability, WACS, Electric generators, Electric power system stability, Interactive computer systems, Phasor measurement units, Static electricity, Synchronous generators, System stability, Units of measurement, Generator excitations, Hardware in the loops, Power system transient stability, Pseudo centers, Static excitation system, Wide area control
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
urn:nbn:se:kth:diva-207294 (URN)10.1016/j.epsr.2017.03.019 (DOI)000402446800026 ()2-s2.0-85017445917 (Scopus ID)
Note

QC 20170619

Available from: 2017-06-19 Created: 2017-06-19 Last updated: 2017-07-03Bibliographically approved
Mahseredjian, J., Haddadi, A., Hooshyar, H., Vanfretti, L. & Dufour, C. (2017). An active distribution network model for smart grid control and protection studies: model validation progress. In: : . Paper presented at Electrical Power and Energy Conference (EPEC 2017), Saskatoon, Saskatchewan, Canada October 22-25, 2017. IEEE
Open this publication in new window or tab >>An active distribution network model for smart grid control and protection studies: model validation progress
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2017 (English)Conference paper, Published paper (Refereed)
Abstract [en]

This paper presents the implementation of an Active Distribution Network (ADN) model and its qualitative assessment using different off-line and real-time simulation tools. The objective is to provide software-to-software verification for the establishment of the model as a potential benchmark. Expanding upon the authors’ previous work [7], this paper provides additional simulation results, cross-examination of the models, and presents the latest modifications incorporated to address practical considerations. The ADN has multiple voltage levels and features various types of distributed energy resources including solar, wind generators, and storage. It further incorporates control and protection schemes for distributed energy resource units and loads; hence, it adequately represents the complex dynamics of an active distribution grid compared to the existing distribution grid test cases in the literature. As such, the test system can be used by other researchers to test numerical methods and conduct research on Smart Grid control, protection, and dynamic studies.

Place, publisher, year, edition, pages
IEEE, 2017
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
urn:nbn:se:kth:diva-213006 (URN)
Conference
Electrical Power and Energy Conference (EPEC 2017), Saskatoon, Saskatchewan, Canada October 22-25, 2017
Funder
StandUp
Note

QC 20170829

Available from: 2017-08-27 Created: 2017-08-27 Last updated: 2017-08-29Bibliographically approved
Vanfretti, L., Olsen, S., Arava, V. S., Laera, G., Bidadfar, A., Rabuzin, T., . . . Jakobsen, S. H. (2017). An open data repository and a data processing software toolset of an equivalent Nordic grid model matched to historical electricity market data. Data in Brief, 11, 349-357
Open this publication in new window or tab >>An open data repository and a data processing software toolset of an equivalent Nordic grid model matched to historical electricity market data
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2017 (English)In: Data in Brief, E-ISSN 2352-3409, Vol. 11, p. 349-357Article in journal (Refereed) Published
Abstract [en]

This article presents an open data repository, the methodology to generate it and the associated data processing software developed to consolidate an hourly snapshot historical data set for the year 2015 to an equivalent Nordic power grid model (aka Nordic 44), the consolidation was achieved by matching the model׳s physical response w.r.t historical power flow records in the bidding regions of the Nordic grid that are available from the Nordic electricity market agent, Nord Pool.

The model is made available in the form of CIM v14, Modelica and PSS/E (Siemens PTI) files. The Nordic 44 model in Modelica and PSS/E were first presented in the paper titled “iTesla Power Systems Library (iPSL): A Modelica library for phasor time-domain simulations” (Vanfretti et al., 2016) [1] for a single snapshot. In the digital repository being made available with the submission of this paper (SmarTSLab_Nordic44 Repository at Github, 2016) [2], a total of 8760 snapshots (for the year 2015) that can be used to initialize and execute dynamic simulations using tools compatible with CIM v14, the Modelica language and the proprietary PSS/E tool are provided. The Python scripts to generate the snapshots (processed data) are also available with all the data in the GitHub repository (SmarTSLab_Nordic44 Repository at Github, 2016) [2].

This Nordic 44 equivalent model was also used in iTesla project (iTesla) [3] to carry out simulations within a dynamic security assessment toolset (iTesla, 2016) [4], and has been further enhanced during the ITEA3 OpenCPS project (iTEA3) [5]. The raw, processed data and output models utilized within the iTesla platform (iTesla, 2016) [4] are also available in the repository. The CIM and Modelica snapshots of the “Nordic 44” model for the year 2015 are available in a Zenodo repository.

Place, publisher, year, edition, pages
Elsevier, 2017
Keyword
Electrical power systems; Electric power transmission; Smart grid; Power system modeling and simulation; Power system dynamics; Dynamic simulations; Power flow; Common Information Model (CIM); Modelica; Historical market data; Modeling; Simulation
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electrical Engineering
Identifiers
urn:nbn:se:kth:diva-204928 (URN)10.1016/j.dib.2017.02.021 (DOI)2-s2.0-85013906901 (Scopus ID)
Projects
iTESLAOpenCPS
Note

QC 20170509

Available from: 2017-04-04 Created: 2017-04-04 Last updated: 2018-02-26Bibliographically approved
Almas, M. S., Vanfretti, L. & Baudette, M. (2017). BabelFish—Tools for IEEE C37.118.2-compliant real-time synchrophasor data mediation. SoftwareX, 6, 209-216
Open this publication in new window or tab >>BabelFish—Tools for IEEE C37.118.2-compliant real-time synchrophasor data mediation
2017 (English)In: SoftwareX, ISSN 2352-7110, Vol. 6, p. 209-216Article in journal (Refereed) Published
Abstract [en]

BabelFish (BF) is a real-time data mediator for development and fast prototyping of synchrophasor applications. BF is compliant with the synchrophasor data transmission IEEE Std C37.118.2-2011. BF establishes a TCP/IP connection with any Phasor Measurement Unit (PMU) or Phasor Data Concentrator (PDC) stream and parses the IEEE Std C37.118.2-2011 frames in real-time to provide access to raw numerical data in the LabVIEW environment. Furthermore, BF allows the user to select ‘‘data-of-interest’’and transmit it to either a local or remote application using the User Datagram Protocol (UDP) in order to support both unicast and multicast communication. In the power systems Wide Area Monitoring Protection and Control (WAMPAC) domain, BF provides the first Free/Libre and Open Source Software (FLOSS) for the purpose of giving the users tools for fast prototyping of new applications processing PMU measurements in their chosen environment, thus liberating them of time consuming synchrophasor data handling and allowing them to develop applications in a modular fashion, without a need of a large and monolithic synchrophasor software environment.

Place, publisher, year, edition, pages
Elsevier, 2017
Keyword
IEEE Std C37.118.2-2011, Phasor measurement unit, Phasor data concentrator, Standard implementation, Synchrophasors, WAMS, WACS, WAPS, WAMPAC
National Category
Engineering and Technology
Research subject
Electrical Engineering
Identifiers
urn:nbn:se:kth:diva-214696 (URN)10.1016/j.softx.2017.08.002 (DOI)
Projects
KIC InnoEnergy Smart Power: WP 2.6Nordic Energy Research: Strongrid
Note

QC 20170925

Available from: 2017-09-20 Created: 2017-09-20 Last updated: 2017-09-25Bibliographically approved
Organisations
Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0002-4125-1055

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