Massively Parallel Modeling of Battery Energy Storage Systems for AC/DC Grid High-Performance Transient Simulation

Extensive integration of power electronics apparatuses complicates the modern power grid and consequently necessitates time-domain transients study for its planning and operation. In this work, a heterogeneous computing architecture utilizing the CPU and graphics processing unit (GPU) is proposed fo...

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Vydané v:IEEE transactions on power systems Ročník 38; číslo 3; s. 2736 - 2747
Hlavní autori: Lin, Ning, Cao, Shiqi, Dinavahi, Venkata
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: New York IEEE 01.05.2023
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Predmet:
AC/DC grid
Batteries
battery energy storage
Central processing units
Computation
Computational modeling
CPUs
Dynamic stability
electromagnetic transients
Energy storage
graphics processing unit
Graphics processing units
high-performance computing
Mathematical models
Parallel processing
power system transient stability
Simulation
Stability analysis
Storage systems
Storage units
Transient analysis
Transient stability
Voltage
ISSN:0885-8950, 1558-0679
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Shrnutí:Extensive integration of power electronics apparatuses complicates the modern power grid and consequently necessitates time-domain transients study for its planning and operation. In this work, a heterogeneous computing architecture utilizing the CPU and graphics processing unit (GPU) is proposed for the efficient study of interactions between a power grid network and massive utility-scale battery energy storage systems (BESSs). The device-level electromagnetic transient (EMT) simulation aiming at enhanced fidelity of the BESS is conducted simultaneously with electro-mechanical transient stability (TS) simulation which suffices system-level dynamic security assessment. Since the reservation of a large amount of energy storage units is computationally intensive for the CPU, the concurrent multi-streaming, multi-threading capability of GPU is exploited to achieve asynchronous sequential-parallel processing, so that the proposed EMT-TS co-simulation can flexibly harness all available computing resources. The multi-rate scheme is adopted for further computational burden alleviation in addition to achieving timely information exchange. It shows that the heterogeneous computation of an IEEE 118-bus system integrated with a substantial number of distributed batteries becomes feasible following the achievement of a remarkable speedup of over 200, and the device- as well as system-level accuracy are validated by MATLAB/Simulink and DSATools TM /TSAT simulation, respectively.
Bibliografia:ObjectType-Article-1
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ISSN:0885-8950
1558-0679
DOI:10.1109/TPWRS.2022.3196286