Journal
ELECTRIC POWER SYSTEMS RESEARCH
Volume 190, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.epsr.2020.106596
Keywords
Electro-magnetic transient; Hybrid simulation; Interfacing techniques; Real-time digital simulation; Transient stability analysis
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This paper discusses practical challenges of interfacing Transient Stability Analysis and Electro-Magnetic Transient Simulation tools in hybrid simulation studies. Various interfacing approaches are examined and single port Thevenin equivalent is proposed as a suitable and practical solution. A quantitative measure is proposed to evaluate validity of the interface, and the effectiveness of the proposed technique is demonstrated using two practical power systems.
This paper discusses practical challenges of interfacing Transient Stability Analysis and Electro-Magnetic Transient Simulation tools in hybrid simulation studies. Various interfacing approaches are examined and single port Thevenin equivalent is proposed as a suitable and practical solution to represent the TSA-side system in the EMT simulation. The shortcomings of this representation are discussed and a quantitative measure is proposed to evaluate validity of the interface, which helps capturing the cases where the simulation may run into numerical instability due to simple representation of the external system. The effectiveness of the proposed technique is demonstrated using two practical power systems.
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