• No results found

high-voltage high-frequency applications

Development of Optimal 4H-SiC Bipolar Power Diodes for High-Voltage High-Frequency Applications.

Development of Optimal 4H-SiC Bipolar Power Diodes for High-Voltage High-Frequency Applications.

... a high voltage device on-wafer, care must be taken to avoid dielectric breakdown of the atmosphere around the ...for high voltage devices include using either an insulating gas [49], vacuum ...

176

Enabling High Efficiency Medium Voltage Converter for High Speed Drives and Other Grid Applications using Low Voltage (LV) and High Voltage (HV) Silicon Carbide (SiC) Devices

Enabling High Efficiency Medium Voltage Converter for High Speed Drives and Other Grid Applications using Low Voltage (LV) and High Voltage (HV) Silicon Carbide (SiC) Devices

... These high voltage SiC devices generate high dv/dt during switching transitions which generates common mode current through parasitic ...(medium frequency inductor, transformer, and gate ...

219

Cascaded Multilevel Inverters for Photovoltaic Power System Applications

Cascaded Multilevel Inverters for Photovoltaic Power System Applications

... PV applications are its reliability and its efficiency ...for high-switching-frequency inverters (typically 20 kHz or higher) is made possible by switch-mode semiconductor power ...in ...

9

Power Electronic Transformer based IGBT Converters for Electric Locomotive Applications

Power Electronic Transformer based IGBT Converters for Electric Locomotive Applications

... The voltage reduction to suitable level for converters is the only purpose of ...operating frequency even with its high efficiency but its overall volume will increase tractive ...Line ...

6

Development of High Voltage Using Buck Converter and Current Fed Push Pull Inverter

Development of High Voltage Using Buck Converter and Current Fed Push Pull Inverter

... the applications like disinfection, bleaching, water and air purification and in some pharmaceutical ...alternating high voltage iseapplied4acrossgthe two electrodes so that the resulting alternating ...

7

A Review of Cycloconverter Type Voltage and Frequency Variations for High Frequency Applications

A Review of Cycloconverter Type Voltage and Frequency Variations for High Frequency Applications

... Abstract: This paper presents a technique to control the speed of single phase induction motor by using Thyristor. Induction motor is a constant speed machine when operated from the mains. However it is necessary to vary ...

6

The effect of antioxidants on the performance of vegetable oil in high 
		voltage applications

The effect of antioxidants on the performance of vegetable oil in high voltage applications

... Transformer is an electrical device used either to step up or step down AC voltages without altering the frequency [1]. Transformer is the inseparable part of a power system. A proper function of transmission and ...

6

STATCOM Device to Regulate PF of Grid Using Multi-Level Inverter

STATCOM Device to Regulate PF of Grid Using Multi-Level Inverter

... of voltage and frequency. In permanent magnet (PM) wind applications, a back-to-back converter is normally utilized to connect the generator to the ...A high PF is generally desirable in a ...

6

Design Considerations of High Voltage and High Frequency 3 Phase Transformer for Solid State Transformer Application

Design Considerations of High Voltage and High Frequency 3 Phase Transformer for Solid State Transformer Application

... higher frequency than the conventional 60 Hz frequency transformer, to achieve a reduction in size while maintaining high efficiency and high reliability ...at high frequency, ...

81

High frequency unity power factor resonant converter with adjustable brightness for electronic ballast lamp applications

High frequency unity power factor resonant converter with adjustable brightness for electronic ballast lamp applications

... input voltage to DC by DBR at low voltages, the peak value of the capacitor voltage Vc1 will be less than the DC voltage output Vo of the PFC ...During high voltages of the DBR the capacitor ...

7

Current Source Modular Medium Voltage Grid Connected System with High Frequency Isolation for Photovoltaic Applications

Current Source Modular Medium Voltage Grid Connected System with High Frequency Isolation for Photovoltaic Applications

... This paper presents a new modular converter structure for a three-phase medium-voltage PV system based on the HF isolated current source buck-boost converters shown in Fig. 1. As shown in the block diagram in Fig. ...

11

High Efficiency Integrated Switched Capacitor Converter for High Voltage Low Power Applications.

High Efficiency Integrated Switched Capacitor Converter for High Voltage Low Power Applications.

... [34][35], frequency modulation control (FM) [36], hysteresis control [10][37][38], constant on-time control [39][40] and adaptive on-time control ...Output voltage ripple in a cascade controlled SC ...

116

Applications of High Voltage Power Supplies in the Purification of Water

Applications of High Voltage Power Supplies in the Purification of Water

... Scherba et al. (1991) also found that ultrasound in the low-kilohertz frequency range had some efficacy in activating disease agents that may reside in water. They tested the germicidal efficacy of ultrasound on ...

143

A Study on the Impact of Ethical Behaviour of Firms on Global Competitiveness Ranking

A Study on the Impact of Ethical Behaviour of Firms on Global Competitiveness Ranking

... grid applications. The proposed converter system consists of high-voltage high- frequency ac/dc converter, bidirectional low-voltage dc/dc converter, and hybrid-switching dc/ac ...

6

Current-source modular medium-voltage grid-connected system with high-frequency isolation for photovoltaic applications

Current-source modular medium-voltage grid-connected system with high-frequency isolation for photovoltaic applications

... This paper presents a new modular converter structure for a three-phase medium-voltage PV system based on the HF isolated current source buck-boost converters shown in Fig. 1. As shown in the block diagram in Fig. ...

11

High-Frequency AC-link Transformers for Medium-Voltage DC/DC Converters and Solid State Transformer Applications.

High-Frequency AC-link Transformers for Medium-Voltage DC/DC Converters and Solid State Transformer Applications.

... medium voltage, is typically used in the range of 1kV to 35kV (ANSI/IEEE 1585- 2002, IEEE Std 1623-2004), however this term is a rather conventional working definition and varies with international standards and ...

201

Capacitorless LDO for High Frequency Applications

Capacitorless LDO for High Frequency Applications

... a high load current demand, for a major challenge to maintain the dc accuracy of the output ...dropout voltage of a regulator is the difference between the output voltage and input ...Dropout ...

5

Performance Analysis of phase shifted SPWM Technique for Three Phase Diode Clamped Three Level Inverter

Performance Analysis of phase shifted SPWM Technique for Three Phase Diode Clamped Three Level Inverter

... of high voltage and high power applications field in ...of high power and high voltage electric motor drive ...In high power and high voltage ...

5

Modeling of high frequency current transformer based partial discharge detection in high voltage cables

Modeling of high frequency current transformer based partial discharge detection in high voltage cables

... of applications to PD measurement for HV cables, some work has been seen using FDTD modeling to investigate sensitivity of field PD sensors [13,14] and high frequency properties of HV cables ...of ...

8

A hybrid multilevel converter for medium and high voltage applications

A hybrid multilevel converter for medium and high voltage applications

... and high-voltage ...switching frequency per device, device voltage and current stresses, and output voltage waveforms ...capacitor voltage balancing strategies are ...

5

Show all 10000 documents...

Related subjects