scholarly journals High Power Density, High-Voltage Parallel Resonant Converter Using Parasitic Capacitance on the Secondary Side of a Transformer

Electronics ◽  
2021 ◽  
Vol 10 (14) ◽  
pp. 1736
Author(s):  
Jaean Kwon ◽  
Rae-Young Kim
Keyword(s):  
Power Density ◽  
High Voltage ◽  
Electrostatic Precipitator ◽  
Power Supplies ◽  
Equivalent Model ◽  
Resonant Converter ◽  
High Voltage Power Supply ◽  
Resonant Capacitor ◽  
Parasitic Components ◽  
Secondary Side

High-voltage DC power supplies are used in several applications, including X-ray, plasma, electrostatic precipitator, and capacitor charging. However, such a high-voltage power supply has problems, such as a decrease in reliability, owing to an increase in output ripple voltage, and a decrease in power density, owing to an increase in volume. Therefore, this study proposes a method for improving the power density of a parallel resonant converter using the parasitic capacitor of the secondary side of the transformer. Due to the fact that high-voltage power supplies have many turns on the secondary side, a significant number of parasitic capacitors are generated. In addition, in the case of a parallel resonant converter, because the transformer and the primary resonant capacitor are connected in parallel, the parasitic capacitor component generated on the secondary side of the transformer can be equalized and used. A parallel cap-less resonant converter structure developed using the parasitic components of such transformers is proposed. Primary side and secondary side equivalent model analyses are conducted in order to derive new equations and gain waveforms. Finally, the validity of the proposed structure is verified experimentally.

Analysis of a Fifth-Order Resonant Converter for High-Voltage DC Power Supplies

2013 ◽  
Vol 28 (1) ◽  
pp. 85-100 ◽  
Author(s):  
Navid Shafiei ◽  
Majid Pahlevaninezhad ◽  
Hosein Farzanehfard ◽  
Alireza Bakhshai ◽  
Praveen Jain
Keyword(s):  
High Voltage ◽  
Power Supplies ◽  
Resonant Converter ◽  
Dc Power ◽  
Fifth Order

A High Power Density, High Voltage Power Supply For A Pulsed Radar System

2005 ◽  
Author(s):  
E.E. Bowles ◽  
S. Chapelle ◽  
G.X. Ferguson ◽  
D.S. Furuno ◽  
M. Marietta
Keyword(s):  
Power Density ◽  
High Voltage ◽  
High Power ◽  
Power Supply ◽  
Radar System ◽  
High Power Density ◽  
High Voltage Power Supply

scholarly journals Performance Measure of LCC Resonant Converter for High Voltage Power Supply

2019 ◽  
Vol 8 (3) ◽  
pp. 8871-8874
Keyword(s):  
Power Supply ◽  
Output Voltage ◽  
Closed Loop ◽  
Input Voltage ◽  
Performance Measure ◽  
Open Loop ◽  
Power Supplies ◽  
Resonant Converter ◽  
High Voltage Power Supply ◽  
Load Conditions

This Work presents the Design and Analysis of LCC Resonant Converter for Power Supplies which are used for high Voltages. LCC Resonant Converter was designed and simulated in both Open loop and closed loop in Matlab Simulink. The Closed loop was found to have a lesser steady state error as compared with that of the open loop. The Stress across the Switches was measured for different input voltages and found that it is linearly proportional to the input voltage. Also the Output Voltage was plotted against different load conditions.

scholarly journals A New Validation Approach of a New Three-Phase High Voltage Power Supply for Microwaves Generators with one Magnetron by Phase

2016 ◽  
Vol 6 (1) ◽  
pp. 1
Author(s):  
M. Bassoui ◽  
M. Ferfra ◽  
M. Chraygane
Keyword(s):  
High Voltage ◽  
Power Factor ◽  
Power Supply ◽  
Average Power ◽  
Equivalent Model ◽  
High Voltage Power Supply ◽  
Proposed Model ◽  
Three Phase ◽  
Voltage Doubler ◽  
Magnetic Shunt

In order to validating the new three-phase High voltage power supply for microwave generators with one magnetron by phase, this paper presents a new validation approach to evaluate the proposed model with several evaluations. This approach is based on the calculation and measurement of the performance and the power factor of this new three-phase power supply, also the study of the operation of this new system in case of failure. The design of this power supply is composed of new three-phase transformer with magnetic shunt, supplying by phase a voltage doubler cell composed of a capacitor and a diode. Each cell in turn, supplies a single magnetron. In this paper we have presented the new three-phase transformer by its equivalent model; it’s a π  quadruple  model composed  of  storable  inductances  able  to translating the nonlinear saturation phenomena for stabilization of  the  magnetron  current. The voltage and current curves obtained by simulation with MATLAB SIMULINK are in good conformity with those obtained by experimental of conventional power supply using a single phase transformer for one magnetron.<strong> </strong>The same curves will allow us to plot the instantaneous power absorbed by each magnetron. This leads to determine the average power emitted by each magnetron, and establish the balance of the power microwave generator by computing its performance which is compared to that obtained from experimental. After that we will compute the power factor of this power supply and we will study its operation in case of failure of one or two magnetrons.

Arcing and Spacing Requirements for High Voltage Printed Circuit Boards

2015 ◽  
Author(s):  
Prabjit Singh
Keyword(s):  
High Voltage ◽  
Printed Circuit Boards ◽  
Power Supplies ◽  
Circuit Boards ◽  
High Voltage Power Supply ◽  
Conformal Coating ◽  
Printed Circuit ◽  
Electronic Hardware ◽  
Vacuum Test ◽  
Partial Vacuum

The electronic hardware miniaturization trend continues unabated. The reduced feature spacing expose the high voltage power supply circuits to arcing. The power MOSFET gate to drain and the drain to source lead gaps are narrow enough for zinc whiskers emanating from under the raised floor zinc plated tiles to arc across the MOSFET leads. Arcing can also occur because of paper cellulose fibers and dust in high relative humidity environments. The physics of arcing will be presented. Paschen’s law of arcing will be described; it will be shown how the law led to a novel way of testing power supplies for propensity to arcing. Examples of application of the test, called the partial vacuum test, to power supplies will be described. Testing the integrity of conformal coating is one useful application of the partial vacuum test. A novel zinc whisker spray test, developed to determine the spacing required to avoid arcing between features at high electric potential between them, will be described and its results will be presented that verify the UL feature spacing guidelines.

The Control System of High Voltage Electrostatic Precipitator Based on FPGA

2013 ◽  
Vol 823 ◽  
pp. 528-531 ◽  
Author(s):  
Zi Sheng Zhang ◽  
Peng Bo Ge ◽  
Xiao Dong Shi ◽  
Bo Feng Liu ◽  
Zhi Qiang Liu
Keyword(s):  
Control System ◽  
High Voltage ◽  
Integrated Circuit ◽  
High Speed ◽  
Electrostatic Precipitator ◽  
Logic Device ◽  
High Voltage Power Supply ◽  
Control Module ◽  
Development Platform ◽  
Field Programmable

It is urgent to study a new control system for improving the efficiency of electrostatic precipitator. The System-on-a-Programmable-Chip (SOPC) development board, which belongs to the series of Cyclone of Altera Company, is used as the development platform. Analog Digital (AD) conversion module, voltage control module and overall control module of the electrostatic precipitator are designed and the simulation waveform of the system is analyzed, based on the programmable logic device EP1C12Q240C6 and Very-High-Speed Integrated Circuit Hardware Description Language (VHDL) programming language. The results show that: by using Field Programmable Gate Array (FPGA) as the control, transformation of AD is accurate and fast and high voltage power supply is stable, which leads to a certain value for generalization.

Sign in / Sign up

Export Citation Format

Share Document