Single-phase and three-phase AC-AC converters are employed in variable speed drive, induction heating systems, and grid voltage compensation. They are direct frequency and voltage controllers having no intermediate power conversion stage.
Naveed Ashraf +3 more
doaj +1 more source
A new method to regulate the output voltage of the secondary side of an inductive power transfer (IPT) system through a DC‐voltage controlled variable capacitor (DCVC) is proposed.
J. Tian, A.P. Hu
doaj +1 more source
An AC voltage switching regulator with instantaneous output voltage control.
AbstractThis is the first attempt to control the instantaneous output of an ac/ac direct power converter. The ac chopper‐type regulator has the potential ability of quick response to the control command. However, detecting the mean or effective value of the ac output voltage, as is commonly done in the conventional closed‐loop ac regulators, greatly ...
Nomura, Hiroshi, Kawasaki, Naoya
openaire +2 more sources
Investigation of Vibration Energy Harvesting in Multilayer Composite Plates with Anisotropic Piezoelectric Patches [PDF]
This study investigates the impact of anisotropic and isotropic piezoelectric coefficients on vibrational energy harvesting using a piezoelectric patch integrated into plate-like structures.
Asghar Jamshiddoust +2 more
doaj +1 more source
Direct power control of dual-active-bridge dc–dc converters based on unified phase shift control
Dual-active-bridge (DAB) dc–dc converters are the important part of the transformerless electric traction drive system in railway application. Also the dynamic characteristic of DAB converters in the electric traction drive system is very significant ...
Feng An, Wensheng Song, Kexin Yang
doaj +1 more source
Overmodulation Strategy Using DC-Link Shunt Resistor Inverters to Maintain Output Voltage Linearity
To detect the three-phase current in the complex plane of a DC link shunt inverter, an algorithm for restoring the current is required. In this paper, a method of dividing the detection voltage and the compensation voltage to match the output voltage as ...
Soonho Kwon +5 more
doaj +1 more source
Enhanced output voltage generation via ZnO nanowires (50nm): Effect of diameter thinning on voltage enhancement [PDF]
© 2017 Elsevier Ltd 50nm ZnO nanowires were grown on indium tin oxide (ITO) coated poly ethylene terephthalate (PET) substrates by adapting facile aqueous growth technique using low temperature and vacuum conditions.
Luxton, Richard W +4 more
core +1 more source
Quantitative Detection of Rock Crack Width Using Microwave Resonance Vibration Eigenvalues
To accurately detect micro crack widths in rocks in real time, a new method based on a microwave resonance vibration model is proposed. Repeated experiments carried out by the developed microwave resonance vibration model-based sensor and the measuring ...
Chuanjing Ou +6 more
doaj +1 more source
Influence of coil spacing on performance of resonant wireless power transmission system
For coil spacing is a key indicator to measure wireless power transfer distance, influence of coil spacing on performance of resonant wireless power transmission system was studied.
QIAO Zhenpeng +5 more
doaj +1 more source
Quick Identification of Single Open-Switch Faults in a Vienna Rectifier
Three-leg AC-DC Vienna rectifiers are susceptible to single open-switch faults, which make DC-link voltage ripple and make three-leg input AC currents distorted and unbalanced.
Qian Li +4 more
doaj +1 more source

