Faster-than-Real-Time Simulation of a Large Brazilian AC/DC Grid to Analyze Electromagnetic & Electromechanical Transients as Well as Commutation Failures

被引：0
|
作者：
de Toledo Silva, Fabiana Ap [1 ]
Komatsu, Wilson [2 ]
Pedroso, Felipe Velloso [2 ]
Jardini, Jose Antonio [2 ]
Belanger, Jean [3 ]
机构：
[1] Univ Fed ABC UFABC, Ctr Engn Modelagem & Ciencias Sociais Aplicadas C, Santo Andre, SP, Brazil
[2] Univ Sao Paulo, Eletr PEA, Dept Engn Elect & Automacao, Sao Paulo, Brazil
[3] OPAL RT Technol, Montreal, PQ, Canada
来源：
2020 IEEE PES TRANSMISSION & DISTRIBUTION CONFERENCE AND EXHIBITION - LATIN AMERICA (T&D LA) | 2020年
关键词：
Real Time simulation; AC/DC Grid; Direct Current Transmission; Commutation Failure; Multi Infeed; EMT Electro Magnetics Transients; Electromechanical Stability;
D O I：
10.1109/TDLA47668.2020.9326145
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Power system studies consist mainly of power flow, short circuit, electromechanical transient (stability EMS) and electromagnetic transient (EMT) studies. EMS simulations are usually performed at the pluming stage and by system operators using phasor methods to accelerate the analysis of very large systems under several fault contingencies. EMT analysis is performed with very detailed models and small integration steps to simulate fast transients and control dynamics. Determining the risk of multiple HVDC commutation failures and the resulting power transfer capability of large multi-infeed HVDC inverter systems would normally require performing EMT simulation using detailed HVDC controller models. However, using traditional single-processor EMT software is normally not practical to analyze the EMS of large systems with several HVDCs due to the long calculation times. This paper analyzes the performance of parallel EMT software to analyze the transient stability of practical and large AC/DC systems using standard multi-core computers. It will be demonstrated that a simulation speed of two real-time speed can be achieved with a reasonable number of processors, even for a system as large as the Brazilian grid.
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页数：6
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