Results 51 to 60 of about 2,082 (162)

Self-capacitance grading approach to suppress winding resonance in EHV transformers under oscillatory terminal disturbances

High Voltage, 2018
Interleaving of the high-voltage winding turns is a widely-accepted method for restraining the surge voltage stresses in extra high voltage (EHV) transformers.
Shampa De, Abhinandan De, Abhinandan De, Gautam Bandyopadhyay   +3 more
doaj   +1 more source

Design and Implementation of a Transformer Winding Machine with Buck-Boost Converter-Based DC Motor Drive

Rekayasa
This research presents the design and implementation of a high-frequency transformer winding machine driven by a DC motor with a Buck-Boost converter to produce transformers accurately and efficiently.
Muhammad Rizani Rusli, Gigih Prabowo, Taufiqurrahman Taufiqurrahman, Arman Jaya, Syechu Dwitya Nugraha, Era Purwanto   +5 more
doaj   +1 more source

Research on the Winding Losses Based on Finite Element Method for High Frequency Transformer

MATEC Web of Conferences, 2015
The transformer loss is the important factor influencing the transformer operation. The high frequency eddy effects including skin and proximity effects raise the winding losses.
Wang Yongqiang, Zheng Zhihong
doaj   +1 more source

Influence of Short‐Circuit Current Nonperiodic Component Increasing on Radial Dynamic Stability of Power Transformer Winding Under Reclosing

IET Electric Power Applications
As one of the key main equipment of the power system, the transformer directly affects the safe and reliable operation of the system. In the process of transformer reclosing, the internal electromagnetic environment is obviously different from that of ...
Yuefeng Hao, Jun Liu, Xiaoli Zhang, Weiwei Zhang   +3 more
doaj   +1 more source

Device for Transforming Wind Motion

Patent documentation for the invention “Device for Transforming Wind Motion” (UZ IAP 7811).The invention relates to the energy industry and describes a mechanical device designed to convert wind energy into mechanical motion. The system is optimized for regions with moderate average wind speeds (3–8 m/s) and includes a self-protection mechanism against
Niyazaliyev, Abdusalom Abdukodirovich, Atojonov, Erkin, Atojonova, Ruxsora Erkin qizi   +2 more
openaire   +2 more sources

High proportion and large value harmonic current influence on the magnetic field, loss and temperature distribution for ultrahigh voltage converter transformer

IET Electric Power Applications
The temperature distribution of ultrahigh voltage (UHV) converter transformer is the key to its service life, allowable load and safe operation.
Cong Liu, Jian Hao, Ruijin Liao, Fan Yang, Wenping Li, Zhiwei Li   +5 more
doaj   +1 more source

Analysis of the Mechanical Stability of Power Transformer Windings Considering the Influence of Temperature Field

Energies
The power transformer is a critical primary device in the power grid, and the verification of its winding mechanical stability is of paramount importance in ensuring the safe and stable operation of the power grid.
Junxin Chen, Zhanlong Zhang, Zhihao Gao, Jinbo Wu   +3 more
doaj   +1 more source

Modeling, simulation and measurement of converter transformer winding multi-frequency vibration Based on electromagnetic structure coupling

International Journal of Electrical Power & Energy Systems
The converter transformer is the key equipment of the UHV DC transmission system, assuming the function of AC/DC conversion. The electromagnetic environment and structural deformation of the converter transformer windings mutually interact under high ...
Peiyu Jiang, Fanghui Yin, Liming Wang
doaj   +1 more source

Design and Performance Test of Transformer Winding Optical Fibre Composite Wire Based on Raman Scattering. [PDF]

Sensors (Basel), 2019
Liu Y, Yin J, Tian Y, Fan X.
europepmc   +1 more source

Transformers with tertiary windings

Transformers with tertiary windings
種別 ...
openaire