Browsing by Subject "Capacitors"
Now showing items 1-18 of 18
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A high voltage pulse-generator based on DC-to-DC converters and capacitor-diode voltage multipliers for water treatment applications
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Article)Pulsed electric field (PEF) can be used effectively in water treatment applications by passing infected water through two electrodes excited from a high voltage pulsed power supply which guarantees killing the harmful ... -
A modified capacitor voltage control algorithm for suppressing the effect of measurement noise on grid-connected Z-source inverters controllers
( http://dx.doi.org/10.1109/IECON.2013.6699136 , 2013 , Conference Paper)Inverters are considered the orbit of research objectives for safe and reliable grid interface. Amongst the conventional inverters known as suitable candidates for gird connection in the last two decades, Z-source inverter ... -
A modified modulation scheme for capacitor voltage control of renewable energy-fed grid-connected Z-Source Inverters
( IEEE , 2012 , Conference Paper)An important issue in grid connection applications is boosting the limited output voltage of the renewable energy sources. Two-stage converters are most commonly employed for successful grid connection and optimum power ... -
A new three-level switched-capacitor submodule for modular multilevel converters
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)Conventionally, only one out of the two capacitors in a three-level submodule is involved in the arm current path to generate the first non-zero voltage level (E) in modular multilevel converters (MMCs). While two capacitors ... -
An LCL filter-based grid-interfaced three-phase voltage source inverter: Performance evaluation and stability analysis
( Institution of Engineering and Technology , 2014 , Conference Paper)Power converters in grid connection applications commonly employ Sinusoidal Pulse-Width Modulation (SPWM) technique. Passive filters are employed in order to attenuate the generated switching current ripples and reduces ... -
Capacitor voltage balancing using redundant states of space vector modulation for five-level diode clamped inverters
( IEEE , 2010 , Article)A redundancy balancing technique for the five-level diode-clamped inverter is presented, which balances the four dc-link capacitor voltages at high modulation index and high power factor. The technique is based on dividing ... -
Conceptual study of AC-powered switched non-polarized-capacitors based solid-state bipolar Marx pulse generator
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Article)The conventional unipolar Marx generator can be employed for bipolar pulsed electric field by adding a high-voltage H-bridge at the load side which necessitates stacked switches. Alternatively, bipolar Marx generator with ... -
DC-link capacitor voltage balancing for a five-level diode-clamped active power filter using redundant vectors
(2013 , Article)This paper investigates the compensation and modulation processes of the five- level diode-clamped active power filter, compensating a three-phase rectified resistor-inductor load with redundant vectors. From the analysis, ... -
Fundamental output voltage enhancement of half-bridge voltage source inverter with low DC-link capacitance
( Korean Institute of Power Electronics , 2018 , Article)Conventionally, in order to reduce the ac components of the dc-link capacitors of the two-level Half-Bridge Voltage Source Inverter (HB-VSI), high dc-link capacitances are required. This necessitates the employment of ... -
Graphene oxide reinforced polyvinyl alcohol/polyethylene glycol blend composites as high-performance dielectric material
( Springer Netherlands , 2016 , Article)Novel flexible dielectric composites composed of polyvinyl alcohol (PVA), polyethylene glycol (PEG), and graphene oxide (GO) with high dielectric constant and low dielectric loss have been developed using facile and ... -
High voltage pulse generator based on DC-to-DC boost converter with capacitor-diode voltage multipliers for bacterial decontamination
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)High voltage pulse generators can be used effectively in water treatment applications, as applying a pulsed electric field on the infected sample guarantees killing of harmful germs and bacteria. In this paper, a new high ... -
Modular Multilevel Converter Circulating Current Reduction Using Model Predictive Control
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)Modular multilevel converter (MMC) is a promising new topology for high-voltage applications. The MMC is made of several identical submodules. For proper operation, each submodule can be considered as a controlled voltage ... -
Modular Multilevel Converter-Based Bipolar High-Voltage Pulse Generator with Sensorless Capacitor Voltage Balancing Technique
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)In order to generate bipolar high-voltage (HV) pulses across certain load from HV dc (HVdc) power supply, a voltage source inverter (VSI) stage should be inserted between the load and the supply. In order to meet the ... -
Nonisolated Symmetrical Interleaved Multilevel Boost Converter with Reduction in Voltage Rating of Capacitors for High-Voltage Microgrid Applications
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)This article proposed a nonisolated symmetrical interleaved multilevel boost converter for high-voltage microgrid applications. The proposed converter configuration is derived from the integration of a voltage multiplier ... -
Optimal Allocation of Multiple Distributed Generators and Shunt Capacitors in Distribution System Using Flower Pollination Algorithm
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Optimal siting and sizing of Distributed generators (DGs) and capacitors helps in enhancing the overall performance of distribution system. A proficient method to optimally allocate DGs and shunt capacitors in distribution ... -
Preparation and Preliminary Dielectric Characterization of Structured C60-Thiol-Ene Polymer Nanocomposites Assembled Using the Thiol-Ene Click Reaction
( MDPI AG , 2015 , Article)Fullerene-containing materials have the ability to store and release electrical energy. Therefore, fullerenes may ultimately find use in high-voltage equipment devices or as super capacitors for high electric energy storage ... -
Switched mode power supplies for charge-up, discharge and balancing dc-link capacitors of diode-clamped five-level inverter
( IET , 2010 , Article)Inductor switch mode power supplies (SMPS) operated in a discontinuous inductor current mode are used to balance the dc-link capacitor voltages of a diode-clamped five-level inverter. The SMPS concept is extended to charge ... -
Transformer-less Boost Converter with Reduced Voltage Stress for High Voltage Step-Up Applications
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)In this paper, a new Transformer-less Boost Converter (TBC) is proposed to achieve high step-up voltage with a reduced voltage across switches. The proposed topology has the advantage of providing a high voltage gain, the ...