Analysis and reduction of magnetizing inrush current for switch-on unloaded transformer
G Ning, W Aiyuan, W Jie, L Haitao… - 2013 2nd international …, 2013 - ieeexplore.ieee.org
Transformer magnetizing inrush current can lead false-actions of differential protection and,
reduce transformer lifetime, and send higher harmonics to power grid. The paper deals with …
reduce transformer lifetime, and send higher harmonics to power grid. The paper deals with …
Investigation of various affecting factors and reduction technique of transformer magnetizing inrush current
Power transformer is one of the most vital and costlier equipment in power system. When the
transformer is energized from a standard power source it draws a very high transient current …
transformer is energized from a standard power source it draws a very high transient current …
Research on controlled switching in reducing unloaded power transformer inrush current considering circuit breaker's prestrike characteristics
L Wei, F Chun-en, Z Bi-de, X Pian… - … on Discharges and …, 2016 - ieeexplore.ieee.org
A random energization unload power transformers may cause large inrush currents and
overvoltages, which have high magnitudes and rich harmonic components. These transients …
overvoltages, which have high magnitudes and rich harmonic components. These transients …
The inrush current analysis and restraining method of energizing no-load transformer
N Chen, C Wang, J Zhang, F Yang… - … on Systems and …, 2016 - ieeexplore.ieee.org
If a no-load transformer is switch on or switch off, or in the period of voltage recovery when
suffered from an external fault, a big excitation inrush current will appear in transformer …
suffered from an external fault, a big excitation inrush current will appear in transformer …
Reduction of magnetizing inrush current in a delta connected transformer
KP Basu, A Asghar - 2008 IEEE 2nd International Power and …, 2008 - ieeexplore.ieee.org
Magnetizing inrush current in power transformer creates severe power quality problems.
Energization of the transformer from the delta side of a delta-star transformer does not allow …
Energization of the transformer from the delta side of a delta-star transformer does not allow …
Research On Magnetizing Inrush Current and Fault Identification of Transformer Based on Wavelet Analysis
E Wang, J Bai, H Liu - … Conference on Civil Aviation Safety and …, 2023 - ieeexplore.ieee.org
Magnetizing inrush current caused by no-load closing of transformers frequently lead to
malfunction of transformer differential protection, which will result in potential risks to power …
malfunction of transformer differential protection, which will result in potential risks to power …
Transformer inrush simulation and analysis
S Liqun, Y Chenguang, Z Yuan… - 2019 IEEE 2nd …, 2019 - ieeexplore.ieee.org
Power transformer inrush current discrimination has always been the main task of
transformer current differential protection. The power transformer will generate two kinds of …
transformer current differential protection. The power transformer will generate two kinds of …
A controlled switching methodology for transformer inrush current elimination: Theory and experimental validation
A Reis, JC de Oliveira, R Apolonio… - … on Electrical Power …, 2011 - ieeexplore.ieee.org
Transformers are generally energized by closing the circuit breakers at random times.
Consequently, this operation generates high transient inrush currents as a result of the …
Consequently, this operation generates high transient inrush currents as a result of the …
Use of power electronic converters to suppress transformer inrush current
M Wani, K Kurundkar… - 2012 IEEE International …, 2012 - ieeexplore.ieee.org
Magnetizing inrush current in transformer results from any abrupt changes of the
magnetizing voltage. When a transformer is first energized, a transient current up to 10 to 50 …
magnetizing voltage. When a transformer is first energized, a transient current up to 10 to 50 …
Effect of sequential phase energization on the inrush current of a delta connected transformer
KP Basu, A Asghar, S Morris - 2006 International Conference …, 2006 - ieeexplore.ieee.org
Magnetizing inrush current in power transformer creates severe power quality problems.
Energization of the transformer from the delta side of a delta-star transformer does not allow …
Energization of the transformer from the delta side of a delta-star transformer does not allow …