Zobrazeno 1 - 10
of 3 280
pro vyhledávání: '"Delta-wye transformer"'
Publikováno v:
2021 IEEE Energy Conversion Congress and Exposition (ECCE).
Grid emulators provide efficient manners to test grid-connected distributed power generators. They test the power generator such as photovoltaics, wind turbines without hardware damages. Recent studies investigated conventional voltage source inverte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3effc650e3fb2c3909641ba04e9cb9e8
https://doi.org/10.1109/ecce47101.2021.9595175
https://doi.org/10.1109/ecce47101.2021.9595175
Power transformers using a high temperature superconductor (HTS) ReBCO coated conductor and liquid nitrogen dielectric have many potential advantages over conventional transformers. The ac loss in the windings complicates the cryogenics and reduces t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::110b2a4041038136313ff19f2fb0ce40
https://doi.org/10.26686/wgtn.14331608.v1
https://doi.org/10.26686/wgtn.14331608.v1
Publikováno v:
2020 Conference on Precision Electromagnetic Measurements (CPEM).
A self-calibrating current transformer with nominal ratio 10 A to 100 mA, intended for low frequencies applications, was developed. It has 100 independent primary windings to be connected in series or parallel, so that it can be configured as 100:1 o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab3c407eec7a45f861a54ee894dce706
https://doi.org/10.1109/cpem49742.2020.9191806
https://doi.org/10.1109/cpem49742.2020.9191806
Publikováno v:
IEEE Transactions on Power Delivery. 33:2061-2069
The commercial application of conventional unified power flow controllers (UPFCs) is rare, because of their high installation and operational costs. Sen proposed the “Sen” transformer (ST) that provides similar power flow control functionality as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a28c43a946d864f26175facddeb8946
https://doi.org/10.1109/tpwrd.2016.2616368
https://doi.org/10.1109/tpwrd.2016.2616368
Publikováno v:
IEEE Transactions on Power Electronics. 33:7545-7557
This paper presents a high-frequency modular medium-voltage AC (4160 VAC or 13.8 kVAC) to low-voltage DC (400 VDC) system that is scalable in order to be used for different scale microgrids. A 15 kW, 500 kHz DC/DC converter is demonstrated as the mos
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::33f8169f34004f0a23a2a6235dfc4466
https://doi.org/10.1109/tpel.2017.2774440
https://doi.org/10.1109/tpel.2017.2774440
Publikováno v:
Ekhtiari, M, Zsurzsan, T-G, Andersen, M A E & Zhang, Z 2017, ' Optimum phase shift in the self-oscillating loop for piezoelectric transformer-based power converters ', I E E E Transactions on Power Electronics . https://doi.org/10.1109/TPEL.2017.2771297
BASE-Bielefeld Academic Search Engine
BASE-Bielefeld Academic Search Engine
A new method is implemented in designing of self-oscillating loop for driving piezoelectric transformers. The implemented method is based on combining both analog and digital control systems. Digitally controlled time delay through the self-oscillati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db82495b149aa956659bdf2b41849226
https://doi.org/10.1109/tpel.2017.2771297
https://doi.org/10.1109/tpel.2017.2771297
Autor:
L. Satish, Pritam Mukherjee
Publikováno v:
IEEE Transactions on Power Delivery. 33:1620-1627
A novel indirect measurement method to estimate the equivalent air-core inductance of an iron-cored transformer winding is proposed. The method utilizes frequency response analysis (FRA) magnitude data to estimate this quantity. Its implementation in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5cfe656781f85a3be851bcc814d6867d
https://doi.org/10.1109/tpwrd.2017.2735627
https://doi.org/10.1109/tpwrd.2017.2735627
Autor:
Hao Chen, Deepak Divan
Publikováno v:
IEEE Transactions on Power Electronics. 33:5724-5738
The soft-switching solid-state transformer (S4T) employs only 12 main active devices and an auxiliary resonant circuit to implement a bidirectional solid-state transformer, with an attractive feature of achieving a full range of zero-voltage-switchin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::89d6422b01f0cac1c8271f46d1c00813
https://doi.org/10.1109/tpel.2017.2749430
https://doi.org/10.1109/tpel.2017.2749430
Publikováno v:
IEEE Transactions on Power Delivery. 33:1035-1043
Precise localization of partial discharge (PD) inside a power transformer winding is a challenging task. Previously, researchers have used internal calibration or reference signals to locate the PD source. The location of any arbitrary (test) PD sour
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f59f3381fd931daf550f917c04ebd246
https://doi.org/10.1109/tpwrd.2017.2683560
https://doi.org/10.1109/tpwrd.2017.2683560
Publikováno v:
IEEE Transactions on Power Delivery. 33:610-619
Current transformer (CT) saturation can cause the maloperation of transformer differential protection under external faults. To avoid this problem, a method based on the histogram of the normalized rotated current (NRC) is proposed. NRC is obtained b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::747d6914d214d871116191b724ffed14
https://doi.org/10.1109/tpwrd.2017.2712806
https://doi.org/10.1109/tpwrd.2017.2712806