Results 51 to 60 of about 4,981,356 (146)

Design of coreless PCB transformers for power and signal isolation in a modular ADC system for power quality data acquisition [PDF]

, 2014
Available industrial energy meters offer high accuracy and reliability, but are typically expensive and low-bandwidth, making them poorly suited to multi-sensor data acquisition schemes and power quality analysis.
Mark A. H. Broadmeadow, Michael T. Carpenter, Broadmeadow, Mark, Carpenter, Michael T.   +3 more
core   +1 more source

Optimal Current Distribution in Multi-Winding Transformers for Isolated and Wireless Power Transfer

IEEE Open Journal of Power Electronics
This work explores the modeling and optimization of multi-winding transformers which may be used for high-frequency isolated power conversion and wireless power transfer.
Kishalay Datta, Yue Wu, Charles R. Sullivan, Jason T. Stauth   +3 more
doaj   +1 more source

Technical specifications for the procurement of power transformers [PDF]

Zbornik Radova: Elektrotehnički Institut "Nikola Tesla"
This paper analyzes the provisions and significance of Internal Standard IS 2, which defines the electrotechnical requirements and methodology for developing technical specifications for the procurement of new and the revitalization of existing power ...
Ristić Mihajlo, Maksimović Slobodan, Pejović Branko, Jovanović Đorđe, Teslić Dragan, Radojčić Miroslav, Radin Vesna   +6 more
doaj   +1 more source

Application of electro-optic modulation technique for PD monitoring of power transformers

Partial discharge (PD) detection is an important technique for assessing the health of high voltage power transformers. A partial discharge signal within an oil-filled power transformer may reach a winding first, then travel along the winding to the ...
Sutton, Simon, Tian, Y., Lewin, P.L., Swingler, S.G., Hao, L., Wilkinson, J.S., L. Hao, P.L. Lewin, S.J. Sutton, Y. Tian, J.S. Wilkinson, S.G. Swingler   +11 more
core   +1 more source

Analysis of drying methods of oil-oiled power transformers [PDF]

E3S Web of Conferences
The article describes the influence of power transformers on the energy system, the condition of the insulation system to ensure their reliable operation.
Yusupov D.T., Muminov A.B., Sa’dullayev A.B., Norboev A.E., Babaev O.E.   +4 more
doaj   +1 more source

Surface tracking in the inter-phase region of large transformers

, 2008
Transmission and distribution operators throughout the world manage significant populations of ageing large transformers which use mineral oil and paper as the dielectric insulation.
Mitchinson, Peter Mark
core   +1 more source

Power Measurement Errors Using Current and Voltage Transformers in the Extended WB2 Optional Accuracy Class

Energies
Modern power systems increasingly operate under distorted waveform conditions caused by distributed generation, renewable energy sources, and power-electronic loads.
Ernest Stano, Łukasz Pietrzak
doaj   +1 more source

Quantitative Analysis Ageing Status of Natural Ester-paper Insulation and Mineral Oil-paper Insulation by Polarization/Depolarization Current

, 2012
Polarization and Depolarization Current (PDC) technique is an effective tool to assess the condition of oil-paper insulation system in power transformers. So far the PDC behaviors of mineral oil-paper insulation have been widely investigated.
Yang, Lijun, Hao, Jian, Liao, Ruijin, Ma, Zhiqin, Chen, George   +4 more
core   +1 more source

Condition Monitoring Techniques of Power Transformers: A Review [PDF]

Journal of Operation and Automation in Power Engineering, 2015
Power transformers provide a vital link between the generation and distribution of produced energy. Such static equipment is subjected to abuse during operation in generation and distribution stations and leads to catastrophic failures.
Z. Moravej, S. Bagheri
doaj  

Robust Wireless Power Transfer for EVs by Self-Oscillating Controlled Inverters and Identical Single-Coil Transmitting and Receiving Pads

Energies
Inductive wireless power transfer (IWPT) with stable output power and high efficiency is a major challenge for charging electric vehicles (EVs). This paper, for the first time, develops a robust IWPT system using a circular pad (CP) and double-D pad (DDP)
Alireza Eikani, Mohammad Amirkhani, Ehsan Farmahini Farahani, Volker Pickert, Mojtaba Mirsalim, Sadegh Vaez-Zadeh   +5 more
doaj   +1 more source