Multi-rate co-simulation of power system transients using dynamic phasor and EMT solvers

This study presents a novel multi-rate algorithm for the co-simulation of power system transients using base-frequency dynamic phasor solver for frequency adaptive simulation of transient (BFAST) and electromagnetic transient (EMT) solvers. The BFAST solver alters its solution technique from dynamic...

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Vydáno v:Journal of engineering (Stevenage, England) Ročník 2020; číslo 10; s. 854 - 862
Hlavní autoři: Rupasinghe, Janesh, Filizadeh, Shaahin, Gole, Aniruddha M, Strunz, Kai
Médium: Journal Article
Jazyk:angličtina
Vydáno: The Institution of Engineering and Technology 01.10.2020
Wiley
Témata:
base-frequency dynamic phasor solver
BFAST solver
BFAST–EMT multirate co‐simulator
changeover algorithm
electromagnetic transient solvers
EMTP
frequency adaptive simulation
frequency contents
industrial-grade emt
multirate co-simulation
novel multirate algorithm
parallel processing
power system simulation
power system transients
power transmission lines
Research Article
power transmission lines
industrial-grade EMT
EMTP
power system simulation
base-frequency dynamic phasor solver
parallel processing
novel multirate algorithm
frequency contents
frequency adaptive simulation
power system transients
BFAST solver
BFAST–EMT multirate co-simulator
multirate co-simulation
changeover algorithm
electromagnetic transient solvers
ISSN:2051-3305, 2051-3305
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Popis
Shrnutí:This study presents a novel multi-rate algorithm for the co-simulation of power system transients using base-frequency dynamic phasor solver for frequency adaptive simulation of transient (BFAST) and electromagnetic transient (EMT) solvers. The BFAST solver alters its solution technique from dynamic phasors to EMT based upon the frequency contents of the waveforms being simulated. A changeover algorithm between the two solvers is also presented. The BFAST solver is then integrated with an industrial-grade EMT solver to develop a BFAST–EMT multi-rate co-simulator. The interface between the two solvers is established using transmission lines at the partitioning locations. The co-simulator combines the benefits of dynamic phasors, frequency adaptive simulation of transients, parallel processing, and multi-rate simulation. The study describes the several solution modes of the proposed co-simulator. Illustrative examples are included to demonstrate the accuracy and computational benefits of the proposed co-simulator.
ISSN:2051-3305
2051-3305
DOI:10.1049/joe.2020.0099