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An advanced TMR sensor-based magnetrode for in vivo LFP magnetic field recording. [PDF]

Microsyst Nanoeng
Wang Y, Luo J, Zhang C, Jin Z, Wang M, Xu Z, Cai X, Chen J.   +7 more
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DC Bias Study for DC-DC Dual-Active-Bridge Converter

2018 IEEE 4th Southern Power Electronics Conference (SPEC), 2018
For the dual-active-bridge (DAB) converter, the adoption of high-frequency transformer provides galvanic isolation, but also brings the possibility of dc bias. In this paper, the calculation methods for dc bias are derived in details. Hence, the dc bias magnetizing current can be predicted considering the inconsistency of semiconductor switches and ...
Liangcai Shu, Wu Chen, Zhiguang Lin, Dajun Ma, XiaoKun He, Waqar Azeem Syed   +5 more
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A Method for Detecting DC Bias in Transformer of Dual Active Bridge DC-DC Converter

2021 IEEE 12th Energy Conversion Congress & Exposition - Asia (ECCE-Asia), 2021
A potential concern with the isolation transformer in a dual active bridge DC-DC converter (DAB) unit is the DC bias of magnetization. With the influence of DC bias, the loss of the transformer increases, and the lifespan decreases. However, it is difficult to accurately measure the small DC component mixed in a large (>10A peak), high-frequency AC ...
Guanqun Qiu, Li Ran, Huaping Jiang, Teng Long, Andrew Forsyth, WeiHua Shao   +5 more
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Impedance of DC-bias-controlled composite FBARs

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 2013
A closed-form analytic formula is derived for composite resonators consisting of two layers of paraelectricphase ferroelectrics. It is used to analyze the properties of these resonators. Under an applied dc electric field, the layers exhibit an induced piezoelectric effect.
Spartak, Gevorgian, Andrei, Vorobiev
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Effect of Voltage Bias on the dc SQUID Characteristics

Journal of Low Temperature Physics, 2001
The dynamics of the dc SQUID, when voltage biased through an inductor, is computed by numerical simulation and by perturbative analytical calculation. We find that the dynamic resistance decreases from its current-biased value at low bias voltages, where the inductive series reactance no longer separates the Josephson voltage oscillation from the bias ...
Seppä, Heikki, Kiviranta, Mikko
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Research on DC Bias Due to Magnetic Storm and DC Transmission

2005 IEEE/PES Transmission & Distribution Conference & Exposition: Asia and Pacific, 2005
This paper focuses on the research on the DC bias due to magnetic storm and HVDC. In the paper, we introduce the DC bias problem of Jiangsu Yang-Huai transmit electric system and Southern Power Grids, discuss the harmful effect of the transformer DC bias and the significance of research, and analyze the compensation, weakening and elimination of ...
null Weiping Shi, null Lianguang Liu, null Qian Wang, null Zongqi Liu   +3 more
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Research on Vibration of Transformer with DC Bias

Applied Mechanics and Materials, 2012
As the manufacturing technology of transformer getting more and more mature, issue of its vibration and noise is getting more and more attention. The vibration is more obviously when the transformer is running with DC Bias. 3D field-circuit coupling models of single-phase three-column power transformer was created by ANSYS. The simulating distributions
Bao Dong Bai, Bing Yin Qu, De Zhi Chen, Bo Zhang, Wu Hao Jia   +4 more
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