Results 251 to 260 of about 113,766 (308)

The cranial, mandibular, and hyoid anatomy of softshell turtles (Trionychidae): A revised character list for phylogenetic analysis

The Anatomical Record, EarlyView.
Abstract Softshell turtles (Pan‐Trionychidae) are an early branching clade of hidden‐necked turtles (Cryptodira) with a rich fossil record extending back to the Early Cretaceous. The evolutionary history of softshell turtles is still unresolved because of their conservative morphology combined with high levels of polymorphism related to morphological ...
Léa C. Girard, Walter G. Joyce
wiley   +1 more source

A new coupled-inductor-free bidirectional DC-DC converter with low current ripple in both sides. [PDF]

Sci Rep
Sharifi S, Delshad M.
europepmc   +1 more source

Fault analysis addressing the combined influence of high penetration of DFIG, SCIG, PMSG wind farms, and PV farms in power grid integration. [PDF]

Sci Rep
Dhouib B, Zdiri MA, Khan B, Guerrero JM, Abdallah HH.   +4 more
europepmc   +1 more source

Impedance shaping based stabilization control method for DC Micro-grid Feed-forward compensation. [PDF]

Sci Rep
Zhang X, Jing B, Wang Y, Meng X, Zhang J.   +4 more
europepmc   +1 more source

Grid resilience enhancement of photovoltaic systems via Lyapunov-validated active-reactive power coordination and inverter oversizing. [PDF]

Sci Rep
Kotla RW, Ganji S, Lagudu J, Yarlagadda SR, Bolli S.   +4 more
europepmc   +1 more source

Enhanced CPCV algorithm for improving power quality in electric vehicle battery charging. [PDF]

Sci Rep
Singh AR, Jyothi B, Kumar BA, Bajaj M, Kumar BH, Tuka MB.   +5 more
europepmc   +1 more source

Design and implementation of three-phases energy storage system using DSP F28379D for laboratory research. [PDF]

HardwareX
Nguyen HP, Nguyen TT, Le MP, Tran MT, Pham CD.   +4 more
europepmc   +1 more source

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Stable wideband ac–dc converter

Review of Scientific Instruments, 1982
This paper describes improvements on a stable wideband ac–dc converter, which is basically composed of a dual junction field effect transistor and a low drift operational amplifier. This converter has a stable square-law transfer characteristic up to 200 MHz for 0–0.5 V output with a drift of less than 0.1 mV/h.
Akira Kakimoto, Masahide Ohshita
openaire   +1 more source

Single-phase AC/DC integrated PWM converter

INTELEC. Twenty-Second International Telecommunications Energy Conference (Cat. No.00CH37131), 2002
The paper proposes a new topology of a boost type AC/DC PWM converter featuring high power factor, full control of the output DC voltage and high-frequency line filter inductor and insulation transformer. Its main advantage is the complete integration of a rectifier and an inverter stage, so that a compact converter with only four IGBTs and six diodes ...
ROSSETTO, LEOPOLDO, BUSO, SIMONE
openaire   +2 more sources

AC/DC Converters–Rectifiers

2014
An AC/DC converter usually interconnects the primary source and a DC/DC controller (Fig. 7.1).
Branko L. Dokić, Branko Blanuša
openaire   +1 more source