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An interleaved high-power flyback inverter for photovoltaic applications

Category : Power Electronics


Sub Category : DC TO AC CONVERTERS (INVERTERS)


Project Code : ITPW21


Project Desc : This letter proposes a hybrid multicarrier pulse width modulation (H-MCPWM) technique to reduce leakage current in a transformerless cascaded multilevel inverter for photovoltaic (PV) systems. The transformerless PV inverter topology has the advantages of simple structure, low weight and provides higher efficiency.

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Hybrid multicarrier modulation to reduce leakage current in a transformer less cascaded multilevel inverter for photovoltaic systems

Category : Power Electronics


Sub Category : DC TO AC CONVERTERS (INVERTERS)


Project Code : ITPW22


Project Desc : This letter proposes a hybrid multicarrier pulse width modulation (H-MCPWM) technique to reduce leakage current in a transformerless cascaded multilevel inverter for photovoltaic (PV) systems. The transformerless PV inverter topology has the advantages of simple structure, low weight and provides higher efficiency.

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Hybrid switched-inductor converters for high step-up conversion

Category : Power Electronics


Sub Category : DC TO AC CONVERTERS (INVERTERS)


Project Code : ITPW23


Project Desc : In applications where the high voltage gain is required, such as photovoltaic grid-connected system, fuel-cell and high-intensity discharge lamps for automobile, high step-up dc-dc converters have been introduced to boost the low voltage to a high bus voltage.

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Optimum structures of proposed new cascaded multilevel inverter with reduced number of components

Category : Power Electronics


Sub Category : DC TO AC CONVERTERS (INVERTERS)


Project Code : ITPW24


Project Desc : In this paper, a new cascaded multilevel inverter is proposed. For the proposed inverter, two different algorithms to determine the magnitude of dc voltage sources are proposed. Then, in order to generate maximum numbers of output voltage levels by using constant number of power switches and or dc voltage sources, several optimum structures of the proposed inverter are obtained.

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Zero-crossing disturbance elimination and spectrum analysis of single-carrier seven-level SPWM

Category : Power Electronics


Sub Category : DC TO AC CONVERTERS (INVERTERS)


Project Code : ITPW25


Project Desc : In this paper, a seven-level single-carrier and multi-modulation-wave sinusoidal pulse width modulation (SCMM-SPWM) strategy is proposed. In the negative half cycle of the modulation waves (MWs), dc offsets related to the amplitude of the carrier are set on the three MWs, respectively, to apply the same comparison logics of the MWs and carrier during positive and negative half cycles of the MWs.

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A step-up switched-capacitor multilevel inverter with self voltage balancing

Category : Power Electronics


Sub Category : DC TO AC CONVERTERS (INVERTERS)


Project Code : ITPW26


Project Desc : The objective of this paper is to propose a new inverter topology for multilevel voltage output. This topology is designed based on switched-capacitor technique and the number of output levels is determined by the number of switched-capacitor cells.

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A bridgeless BHB ZVS-PWM AC-AC converter for high-frequency induction heating applications

Category : Power Electronics


Sub Category : AC TO AC (CYCLOCONVERTER)


Project Code : ITPW27


Project Desc : A new prototype of a zero voltage soft-switching (ZVS) utility frequency ac (UFAC) to high-frequency ac (HFAC) resonant power converter for induction heating (IH) applications is presented in this paper.

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A dimming method for hot cathode fluorescent lamp using a resonant inverter operating at fixed switching frequency

Category : Power Electronics


Sub Category : AC TO AC (CYCLOCONVERTER)


Project Code : ITPW28


Project Desc : This paper describes a dimming method for hot cathode fluorescent lamp (HCFL) using a resonant inverter operating at fixed switching frequency. The proposed method is based on burst dimming and decreases the inverter output voltage during the burst-off period by changing the switching pattern of the inverter.

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PFC CUK converter-fed BLDC motor drive

Category : Power Electronics


Sub Category : MOTOR APPLICATIONS


Project Code : ITPW29


Project Desc : This paper deals with a power factor correction (PFC)-based Cuk converter-fed brushless dc motor (BLDC) drive as a cost-effective solution for low-power applications. The speed of the BLDC motor is controlled by varying the dc-bus voltage of a voltage source inverter (VSI) which uses a low frequency switching of VSI (electronic commutation of the BLDCmotor) for low switching losses.

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A BL-CSC converter-fed BLDC motor drive with power factor correction

Category : Power Electronics


Sub Category : MOTOR APPLICATIONS


Project Code : ITPW30


Project Desc : This paper presents a power factor correction (PFC)-based bridgeless canonical switching cell (BL-CSC) converter-fed brushless dc (BLDC) motor drive. The proposed BL-CSC converter operating in a discontinuous inductor current mode is used to achieve a unity power factor at the ac mains using a single voltage sensor.

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