تصفح Electrical Engineering حسب الموضوع "Capacitance"
السجلات المعروضة 1 -- 12 من 12
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A Neutral-Point Diode-Clamped Converter with Inherent Voltage-Boosting for a Four-Phase SRM Drive
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)This article proposes a new asymmetric neutral-point diode-clamped (NPC) multilevel converter for a four-phase switched reluctance motor drive. The inbuilt NPC clamping capacitors are used for both voltage level clamping ... -
A novel CRLH transmission Line using Spiral Resonator
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)In this paper, a novel composite right / left handed transmission line structure composed of six double spiral ring resonator is proposed. The proposed transmission line is designed, simulated and fabricated using an ... -
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 ... -
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 ... -
Humidity sensor based on electrospun MEH-PPV:PVP microstructured composite
( Royal Society of Chemistry , 2016 , Article)The present study demonstrates a solution-processed humidity sensor based on poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene]:polyvinylpyrrolidone (MEH-PPV:PVP) organic microstructured composite thin film. The ... -
HVDC shunt tap based on three single-phase half-bridge series-connected MMCs operated under 2L modulation
( Institution of Engineering and Technology , 2019 , Article)In this study, a cost-effective HVDC shunt tap with low-number of relatively low-voltage semiconductor devices and small-sized passive components is proposed. The proposed architecture is based on employing three single-phase ... -
Integrated capacitive and resistive humidity transduction via surface type nickel phthalocyanine based sensor
( Electrochemical Science Group , 2017 , Article)This paper reports the study of an organic semiconductor nickel phthalocyanine (NiPc) based thin film surface-type integrated capacitive and resistive type humidity sensor. The capacitance and resistance of the fabricated ... -
Modular Multilevel Converter with Self-Energy Equalization for Medium Voltage AC Drive Applications
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)The modular multilevel converter (MMC) is a promising candidate for high-/medium-voltage high-power applications such as medium voltage ac drives due to its modularity, reliability, and scalability. The main challenge of ... -
Modular multilevel structure of a high power dual active bridge DC transformer with stepped two-level output
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)This paper addresses the issues of dc voltage matching and dc fault protection in potential super-grids. An approach for high power dc-dc conversion is proposed and analyzed. A front-to-front connection of modular-multilevel ... -
Study of voltage source converter-based HVDC system during DC side faults
( IEEE , 2013 , Conference Paper)Recently voltage source converter-based HVDC technology has witnessed a remarkable development due to the several advantages it exhibits over the conventional HVDC systems. However, one of the main remaining challenges is ... -
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 ...