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A method exploiting direct communication between phasor measurement units for power system wide-area protection and control algorithms
KTH, School of Electrical Engineering (EES), Electric Power and Energy Systems. (SmarTS Lab)
KTH, School of Electrical Engineering (EES), Electric Power and Energy Systems. Statnett. (SmarTS Lab)ORCID iD: 0000-0002-4125-1055
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. Vol. 4, p. 346-359
Keyword [en]
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: urn:nbn:se:kth:diva-215753DOI: 10.1016/j.mex.2017.10.002ISI: 000419836300041Scopus ID: 2-s2.0-85031720126OAI: oai:DiVA.org:kth-215753DiVA, id: diva2:1150227
Projects
Strongrid, Nordic Energy Research
Note

QC 20171023

Available from: 2017-10-18 Created: 2017-10-18 Last updated: 2018-01-29Bibliographically approved

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Publisher's full textScopushttp://www.sciencedirect.com/science/article/pii/S2215016117300390

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