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Study of Winding Short Circuit Characteristics Under Different Insulation Material Temperatures in Transformers. [PDF]

Materials (Basel)
Zhou X, Ma Y, Wang X, Tian T, Tai C, Chen D, Wang S.   +6 more
europepmc   +1 more source

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Single-phase insulator transformers

IEEE Potentials, 2002
To show that voltage surges are effectively transmitted between the windings of insulator transformers, a relatively simple and functional test was prepared. The test applied differential-mode voltage surges with small amplitudes to the primary winding of three different types of single-phase no-load insulator transformers.
S.H.L. Cabral, A. Raizer
openaire   +1 more source

Estimation of residual flux in single phase transformer using dynamic modeling of two winding single phase transformer

2017 International Seminar on Intelligent Technology and Its Applications (ISITIA), 2017
This study deals with estimation of residual flux in 1 kVA 1-phase transformer. Transformers used in the study have two type core cutting topology. The transformers were modeled with MATLAB software and then simulated to obtained inrush current. Experiments were also done in order to obtain its inrush current with different demagnetization time.
I Made Yulistya Negara, Daniar Fahmi, Dimas Anton Asfani, I Gusti Ngurah Satriyadi Hernanda, Ayyub Dhimastara Aji   +4 more
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Idling Mode Simulation of Single-Phase Transformer

2019 IEEE International Conference on Modern Electrical and Energy Systems (MEES), 2019
A unifying mathematical model of the single-phase transformer is developed. This model superposes the external electrical circuit and an electromagnetic fields model, which describing the processes of electromagnetic energy conversion in a transformer.
Dmytro Yarymbash, Mykhailo Kotsur, Yevheniia Kulanina, Tetyana Divchuk   +3 more
openaire   +1 more source

Single-Phase Power Transformer Formed Cores

Transactions of the American Institute of Electrical Engineers, 1950
For many years power and distribution transformer cores were built of hot-rolled laminations assembled into a core structure. When cold-rolled, oriented strip steel was introduced into transformers, new types of distribution transformer cores were developed.
T. D. Gordy, G. G. Somerville
openaire   +1 more source