Modelling of distribution level coreless induction furnace for rapid voltage change assessment

•Dynamic model for coreless distribution level induction furnace is presented.•The aim is to represent the induction furnace at the start of the melting process.•Field measurements from PCC are used to develop the proposed model.•The proposed model is meant for RVC assessment in network connection s...

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Bibliographic Details
Published in:Electric power systems research 2021-06, Vol.195, p.107151, Article 107151
Main Authors: Trummal, T., Sarnet, T., Kilter, J.
Format: Article
Language:English
Subjects:
Connection study
Core-less induction furnace
Coreless induction furnaces
Distribution network
Electric potential
Electricity distribution
Furnaces
Mathematical models
Operators (mathematics)
Rapid voltage change
Surge protectors
Voltage
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Description
Summary:•Dynamic model for coreless distribution level induction furnace is presented.•The aim is to represent the induction furnace at the start of the melting process.•Field measurements from PCC are used to develop the proposed model.•The proposed model is meant for RVC assessment in network connection studies. This paper proposes a mathematical model for a distribution level, directly fed core-less, induction furnace that can be used for network voltage behavior related studies performed by the network operators. The objective of the model is to represent the dynamic behaviour of the facility when an induction furnace is energized (switched) at the beginning of the melting process. Model development is supported by actual field measurements from PCC to a distribution system. The paper includes a case study and the results indicate that the proposed model offers accurate results for rapid voltage change assessment and it is shown that the model can be successfully used for various load changes and at various voltage levels.
ISSN:0378-7796
1873-2046
DOI:10.1016/j.epsr.2021.107151