[图书][B] Transformer engineering

SV Kulkarni, SA Khaparde - 2004 - api.taylorfrancis.com
There have been considerable advancements in various aspects of transformer engineering
since the publication of the first edition in 2004. Improvements can be clearly seen in …

Improved power transformer winding fault detection using FRA diagnostics–part 1: axial displacement simulation

N Hashemnia, A Abu-Siada… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Frequency response analysis (FRA) has become a widely accepted tool to detect power
transformer winding deformation due to the development of FRA test equipment. Because …

High-frequency modeling of power transformers for use in frequency response analysis (FRA)

N Abeywickrama, YV Serdyuk… - IEEE transactions on …, 2008 - ieeexplore.ieee.org
This paper presents an advanced model of the frequency response of a three-phase power
transformer for use in conjunction with diagnostic measurements by the method of frequency …

High frequency modeling of electric machines using finite element analysis derived data

DA Hewitt, S Sundeep, J Wang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The use of wide band gap (WBG) semiconductor switching devices in electric machine
drives leads to a significant increase in power density and efficiency compared to …

Transformer core parameter identification using frequency response analysis

A Shintemirov, WH Tang, QH Wu - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
We present a novel model-based approach for parameter identification of a laminated core,
such as magnetic permeability and electrical conductivity, of power transformers on the …

Finite-element modeling for analysis of radial deformations within transformer windings

ZW Zhang, WH Tang, TY Ji… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
This paper develops computational models for undeformed and deformed transformers,
using the finite-element method (FEM) to calculate frequency dependent parameters …

Determination of complex permeability of silicon steel for use in high-frequency modeling of power transformers

KGNB Abeywickrama, T Daszczynski… - IEEE Transactions …, 2008 - ieeexplore.ieee.org
Information about frequency dependence of complex permeability of silicon steel is a vital
input parameter in calculations of transformer winding inductance used for modeling high …

Achieving the exact equivalent circuit of a large-scale transformer winding using an improved detailed model for partial discharge study

PR Baravati, M Moazzami, SMH Hosseini… - International Journal of …, 2022 - Elsevier
Investigating partial discharge (PD) is a critical issue in monitoring the condition of power
transformers. For analyzing the transient state behavior of transformer winding, the …

Double-ladder circuit model of transformer winding for frequency response analysis considering frequency-dependent losses

H Zhang, S Wang, D Yuan, X Tao - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
It is well known that power transformers inevitably suffer the impacts of short-circuit
electromagnetic forces in service. For precise diagnosis investigation of winding mechanical …

A new method for analyzing the impact of winding mechanical defects on the equivalent circuit parameters of power transformers

H Tarimoradi, M Askari - IET Generation, Transmission & …, 2023 - Wiley Online Library
Condition monitoring of the power transformer winding and diagnose of the fault in its
incipient stages can prevent the spread of defect, and as a result, the unexpected exit of the …