A Comprehensive Investigation On the Selection of High-Pass Harmonic Filters

Wang, Yang; Chen, Pengfei; Yong, Jiongmin; Xu, Wilsun; Xu, Shuangting; Liu, Ke

doi:10.1109/tpwrd.2022.3147835

Cited by 45 publications

(20 citation statements)

References 38 publications

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“…Such devices are important wireless receivers [38]. They could also be accounted as important components of circuits used for configuration of high-pass harmonic filters [39]. The cutoff limit reaching ∼16 GHz of the device under study indicate their possible application as bandpass filters based on artificial multi-mode resonators after slight adjustments to raise the cutoff limit to ∼30 GHz [40].…”

Section: Microwave Cavitiesmentioning

confidence: 99%

ZnPc based multifunctional devices designed as fast capacitors, rectifiers, infrared detectors and microwave resonators adequate for 6 G technology applications

Qasrawi,

Daragme

2024

Phys. Scr.

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Herein Zinc phthalocyanine (ZnPc) based multifunctional devices are fabricated and characterized. The device fabrication included formation of an Au nanosheets onto n-Si wafers and coating these nanosheets with 500 nm thick ZnPc layer. Silver and platinum were used to form a Schottky and an ohmic contacts with n-Si and ZnPc, respectively. The device hybrid structure (Ag/n-Si/Au/p-ZnPc/Pt; abbreviated as ASZ) is composed of Ag/n-Si Schottky arm and p- and n- layers forming pn junction separated by Au nanosheets. Electrical and photoelectrical measurements on the ASZ devices have shown their ability to perform as conventional metal-oxide-semiconductor capacitors (CMOS). These CMOS devices showed light and frequency controlled charge accumulation, depletion and inversion mechanisms within the range of 1.0-50 MHz. The flat band and threshold voltages of the ASZ capacitors are engineered by the imposed ac signal frequency and by infrared (IR) light. In addition, ASZ devices performed as biasing controlled IR photosensors and as current rectifiers. A rectification ratio of 103, IR light sensitivity of 39, specific detectivity of .96×109 Jones and current responsivity exceeding 9.0 mA/W are recorded at biasing voltage of 4.5 V. Moreover ASZ devices displayed microwave resonator characteristics presented by negative capacitance effect, resonance –antiresonance phenomena and high microwave cutoff frequency. The latter is larger than 10 GHz nominating the device for 6G technology applications.

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Section: Microwave Cavitiesmentioning

confidence: 99%

ZnPc based multifunctional devices designed as fast capacitors, rectifiers, infrared detectors and microwave resonators adequate for 6 G technology applications

Qasrawi,

Daragme

2024

Phys. Scr.

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“…The fixed combs are rigidly attached to the substrate, and the movable combs are held in-plane by flexible beams anchoring at a suitable point. Among the various applications, they have been implemented in accelerometers, microgrippers [9], resonators [10,11], filters [12][13][14][15], generic force actuators [16], two-dimensional microstagers [17,18], and micromirrors [19,20].…”

Section: Introductionmentioning

confidence: 99%

Design and simulation of a tunable comb-drive actuator with a wide frequency tuning range and low pull-in voltage

Taherian,

Gholinataj-Jelodar,

Yuan

2024

Phys. Scr.

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The presented paper describes the design, simulation, and analysis of a novel tunable comb-drive actuator that aims to increase the range of tuning resonance frequency while reducing the pull-in voltage. The conventional comb resonator has a limited resonant frequency tuning range, and hence, modifying the spring stiffness of the structure is crucial to obtain a tunable comb resonator. The proposed design includes eight flexible beams on each side that support a set of comb finger parts. The actuator achieves the goal of shifting the resonance frequency both downwards and upwards by utilizing Serpentine nested-folded beams. A triangular comb with non-uniform varied finger lengths combined with variable gap fingers is designed to adjust the frequency downwards, while a comb with constant finger lengths combined with variable gap fingers is designed to adjust the frequency upwards. To simulate and design the structure, the IntelliSuite software is utilized. The results show that the actuator has a primary resonant frequency of 3052 Hz, which can be lowered to 335 Hz by applying a tuning voltage of 74 V to the downward tuning part. Similarly, the resonant frequency can be increased to 3159 Hz by applying a tuning voltage of 60 V to the upward tuning part. The resonator achieves a maximum frequency tuning range of 90%, and the simulation results are in good agreement with the theoretical predictions. However, it is worth noting that the size of this resonator is relatively small, approximately 1077 × 328 μm2. This innovative design offers potential applications in various fields, including micro-electromechanical systems (MEMS), micro-optics, and microsensors. Overall, the presented work demonstrates the feasibility of achieving a tunable comb resonator with a significantly improved resonant frequency tuning range and reduced pull-in voltage.

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“…To further increase the gain, voltage multiplier circuits (VMC) such as Dickson VMC and Cockcroft-Walton VMC are used [ 12 ]. The switched capacitor and the switched inductor converter [ 13 , 14 ] provide a very high step-down conversion. It is used to supply low-voltage applications such as electric vehicles (EVs) [ 15 ] and the low-voltage energy storage system used in HRES [ 16 ].…”

Section: Introductionmentioning

confidence: 99%

An efficient high-gain bidirectional interleaved boost converter for PV integration to DC microgrid

Sreelatha,

Pandian,

Reddy

et al. 2024

PLoS ONE

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The design of a power electronic interface for high voltage difference DC buses is a key aspect in DC microgrid applications. A multi-port non isolated interleaved high-voltage gain bidirectional converter, which facilitates bidirectional power transfer and islanded operation in a DC microgrid, is presented in this paper. The forward high-voltage transfer ratio is achieved using a voltage multiplier circuit, and the high-gain step-down power conversion is performed using a resonant power module. A novel power transfer selection algorithm is proposed to control power flow among the interfaces of the RES, ESS, and DC grid converters, which utilizes the net power difference as the basis for switching the converter. The proposed converter is simulated for a 24 V PV source, 12 V battery, and 400 V DC grid interface using MATLAB/SIMULINK. A 200 W hardware prototype is implemented. The simulation results for voltages, currents, and power flow among RES, ESS, and microgrid DC bus proved an excellent voltage regulation, efficient power conversion, and a feasible duty cycle range with high voltage gain. These observations are validated through equivalent experimental results. A comparison is made regarding achieved gain, component sizing, achievable power transfer modes, efficiency, and control complexity with existing converters for DC microgrid applications. The presented topology proved to be a better interface with multiple-mode support with high efficiency.

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A Comprehensive Investigation On the Selection of High-Pass Harmonic Filters

Cited by 45 publications

References 38 publications

ZnPc based multifunctional devices designed as fast capacitors, rectifiers, infrared detectors and microwave resonators adequate for 6 G technology applications

ZnPc based multifunctional devices designed as fast capacitors, rectifiers, infrared detectors and microwave resonators adequate for 6 G technology applications

Design and simulation of a tunable comb-drive actuator with a wide frequency tuning range and low pull-in voltage

An efficient high-gain bidirectional interleaved boost converter for PV integration to DC microgrid

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