Dr
Tom Huiskamp
(Eindhoven University of Tehcnology)
07/07/2016, 13:30
Biological, Medical, and Environmental Applications of Power Modulators
Poster Presentation
In this contribution, we present a 15-stage, avalanche transistor Marx generator using inexpensive 2N5551 transistors. It can be used in low-power biomedical, environmental and food applications where compact circuits to generate high-voltage pulses are required. We characterized the avalanche transistors and built a test setup with 15 stages which provides 1.3-kV pulses into a 50 Ohm load and...
Peter Norgard
(University of Missouri)
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
Piezoelectric transformer-based power converters are ideally suited for uses in applications where compact form factor and high voltage isolation are major considerations. Piezoelectric transformers are resonant electromechanical devices that use mechanical vibrations to induce polarization throughout the bulk of their constituent material. Two types of piezoelectric transformer, one type...
Prof.
Claudio Motta
(University of Sao Paulo)
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
In this paper, a control system for an isolated LLC resonant DC-DC converter is proposed to regulate the high voltage output level. The converter uses a single stage and it is based on a full bridge structure using IGBTs as switching devices. The output stage of the DC-DC converter is assembled using series-connected lower voltage modules. The proposed topology is based on the current-fed...
Mr
Lingyu Gong
(Chongqing University)
07/07/2016, 13:30
Biological, Medical, and Environmental Applications of Power Modulators
Poster Presentation
Irreversible electroporation (IRE) is a biophysical process in which electric fields applied across a cell cause extensive or permanent permeabilization of the cell membrane, which eventually leads to cell death. It has shown significant advantages in ablating prostatic tissue, such as rapid lesion creation, rapid lesion resolution, sparing of structures such as vessels, nerves and urethra for...
Prof.
GE LI
(Institute of Plasma physics, Chinese Academy of Sciences)
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
Abstract—This paper studies an inductor-capacitor-inductor(LCL)voltage-source converter(VSC) which can be implemented by zero current switches(ZCS). The ZCS has potential applications in improving the efficiency of high-voltage high-current system, such as servo power supplies at over 10 MW for the compressed plasma suggested in[Li, G. High-gain high-field fusion plasma,Scientific Reports,...
Mrs
Xiaoyun Sun
(School of Communication and Information Engineering , Xi’an University of Science and Technology)
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
The voltage source converter is an important part of VSC-HVDC (Voltage source converter based high voltage direct current) system which has low over-voltage and over current bearing ability and thus prone to various faults. In this paper, based on the VSC-HVDC system PSCAD/EMTDC simulation model, the mathematical model of DC voltage and current fluctuation component caused by AC single-phase...
Kyle Thompson
(University at Buffalo)
07/07/2016, 13:30
Biological, Medical, and Environmental Applications of Power Modulators
Poster Presentation
Nonthermal plasma is an emerging treatment method of Melanoma cancer cells with promising results. Implementation of nonthermal plasma for Melanoma cancer cell treatment is hindered by the need for precise setup and constant manual reconfiguration. This work presents a new automated approach for the generation of nonthermal plasma that can maintain a stable plume with no user intervention,...
Mr
C.B. Sumod Sumod
(Institute for plasma research), Mr
Dipal Thakkar Dipal
(Institute for plasma research), Mr
L.N. Gupta Laxminarayan
(Institute for plasma research), Mr
Pareshkumar Pareshkumar
(Institute for plasma research), Mr
U.K.Baruah Ujjwal
(Institute for plasma research)
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
Regulated high voltage power supplies (RHVPS) at an 80kV/10 MW level are designed, developed in-house and patented by Institute for plasma research (IPR) and are being utilized for different heating systems within steady state tokomak (SST-1). These are main power sources for NBI, LHCD, ECRH and ICRH heating systems for running an SST-1.
In this presentation, different subparts of these...
Mr
Argenis Bilbao
(Texas Tech University), Dr
Michael Giesselmann
(Texas Tech University)
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
Rapid capacitor chargers are typically used to charge a bank of capacitors with the purpose of discharging it into a pulsed power load [1,3]. Previous research shows that the charging voltage of the load can be accurately calculated in real-time using microcontroller software algorithms [2]. The objective of this paper is to report a hardware based approach to measure the charge transfer into...
Sewan Heo
(Electronics and Telecommunications Research Institute)
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
This paper proposes a closed transition transfer switch (CTTS) based on a photovoltaic inverter which is capable of transition between grid-connected and island modes. The proposed system consists of the CTTS, utility grid and photovoltaic inverter connected to each input, respectively, an active load with power factor correction, and a system controller. According to the grid condition, the...
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
Silicon carbide power semiconductor devices are capable of increasing the power density of power electronics systems[1,2]. In recent years, devices rated to block voltages up to 20 kV have been demonstrated[3]. These research grade devices must be fully characterized to determine operating characteristics as well as failure mechanisms. The purpose of this paper is to demonstrate the continuous...
Keita Yasu
(Yamagata university)
07/07/2016, 13:30
Biological, Medical, and Environmental Applications of Power Modulators
Poster Presentation
Nanosecond and sub-nanosecond high voltage pulses can provide new biological applications. A cancer treatment by an ultra-short pulse high electric field is one of them. High power pulsed electromagnetic wave has been proposed to apply the high electric field for that treatment [1]. This work focuses on the design of a compact high power pulsed electromagnetic wave generator using a nanosecond...
Mr
William Leighty
(The Leighty Foundation)
07/07/2016, 13:30
Biological, Medical, and Environmental Applications of Power Modulators
Poster Presentation
The answer to Humanity's energy emergency is beneath our feet: ubiquitous, abundant, baseload geothermal heat -is - if only we could afford to bore deep enough to reach it, anywhere on Earth. The average geothermal gradient, anywhere on Earth, is about 30 C per km depth. At 9 km, at almost 300 C, with enough contact area, abundant energy may be extracted, forever, if the borehole system is...
Mr
Koki Saito
(Yamagata University)
07/07/2016, 13:30
Biological, Medical, and Environmental Applications of Power Modulators
Poster Presentation
We have investigated sterilization of packaging foods. In sterilization methods of the packaging foods, there is pulsed discharge sterilization and high frequency pulsed electric field sterilization[1][2]. The pulsed discharge sterilization is suitable for solid fresh foods. The high frequency pulsed electric field sterilization is suitable for liquid fresh foods. However, many liquid fresh...
Mr
Mitsuru Morimoto
(Tokushima University)
07/07/2016, 13:30
Biological, Medical, and Environmental Applications of Power Modulators
Poster Presentation
Recently, water pollution has come to an issue around the world. As a new water treatment technology, advanced oxidation processes (AOPs) has attracted attention. We have studied an efficient wastewater treatment using nanosecond pulsed power as one of the AOPs. In this system, effects of not only the active species but also electric discharges are expected. A nonionic surfactant was selected...
Dr
Yawei Li
(Electric Power Research Institute of State Grid Sichuan Electric Power Company)
07/07/2016, 13:30
Biological, Medical, and Environmental Applications of Power Modulators
Poster Presentation
In the humid areas like Sichuan Province of southern China, algae often grows abundantly on the surface of porcelain insulators covered with room temperature vulcanized silicone rubber (RTV), which may increase the risk of pollution flashover. In order to solve the potential threat to the safety of power grid, study on the growth conditions, the species, the growth habit and the distribution...
07/07/2016, 13:30
Biological, Medical, and Environmental Applications of Power Modulators
Poster Presentation
A single 2.5 or 5.0 V/cm electric pulse (EP) of 90 s duration induced changes in cardiomyocyte differentiation, increasing the number of beating foci with the higher field strength increasing intracellular reactive oxygen species [1]. Similar field strengths can also induce cytoskeletal stresses that facilitate manipulation of osteoblasts and mesenchymal stem cells [2]. While effective,...
07/07/2016, 13:30
Biological, Medical, and Environmental Applications of Power Modulators
Poster Presentation
Variations in the electrical properties of biological cells elucidate how intense electric pulses (EPs) can alter mammalian cell structure, intracellular organelles, and plasma membrane integrity [1-2]. Time domain dielectric spectroscopy (TDDS) can characterize these changes by measuring the electrical properties of the plasma membrane, cytoplasm, nuclear envelope, and nucleoplasm [1-2]....
Allen Garner
(Purdue University)
07/07/2016, 13:30
Biological, Medical, and Environmental Applications of Power Modulators
Poster Presentation
A desire to limit CO2 emissions and overall energy demands has motivated the search for alternative energy sources. The first approach involved the development of plant biofuels for a greener, renewable solution; however, crop-based biofuels grew unpopular because they were expensive and used foodstuffs. Using microalgae can avoid these issues and are now an increasingly popular source of...
Adel El Shahat
(Georgia Southern University)
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
When renewable energy introduces the term “energy storage” automatically comes. Because electric power is consumed the instant it is produced so electrical energy storage technologies are designed to absorb electrical energy directly and release it as electrical energy (act like a generator) at a later time. To mitigate the problem of intermittency of renewable energy as well as to improve the...
Mr
Takahiro Sadamatsu
(Nagasaki university)
07/07/2016, 13:30
Biological, Medical, and Environmental Applications of Power Modulators
Poster Presentation
In recent years, surface discharge on water has received attention as one of the wastewater treatment method. Discharge plasma can produce OH radicals without secondary product, and the electrode setup of the surface discharge allows a reduction in water pollution from electrode by erosion. Generally, the heating of discharge channel is suppressed by application of short pulse width voltage....
Paul Gregor Nikolic
(RWTH Aachen University)
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
The replacement of the strong greenhouse gas sulphur hexafluoride and the emerging installation of multi-terminal HVDC grids also lead to significantly changing requirements for future switching devices. On the one hand, the application of alternative insulating and arc quenching gases requires higher opening velocities of the contacts to compensate the reduced dielectric strength of these...
Ms
Ke Yue
(State Key Laboratory of Electrical Insulation and Power Equipment, Xi’an Jiaotong University, Xi’an 710049, Shaanxi Province, China)
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
The high power thyristor is the basic unit in HVDC converter valve, and its transient performance has a tremendous influence on the reliability, stability of the whole power system and designs of thyristor control unit. For this reason, each thyristor needs to be tested routinely before the operation of the power system. However, there is no specification for the routine test of thyristor...
Mr
chenguo yao
(chongqing university),
shoulong dong
(Chongqing University), Mr
yajun zhao
(chongqing university)
07/07/2016, 13:30
Biological, Medical, and Environmental Applications of Power Modulators
Poster Presentation
Irreversible electroporation (IRE) is a new method for tissue ablation. An exposure of a cell to a sufficiently high external electric field results in irreversible electroporation. The electrical conductivity of the cells will change during the irreversible electroporation, and the impedance of the tissue will also change. This paper uses various tissues of New Zealand white rabbits for...
Mr
Michael Kempkes
(Diversified Technologies, Inc.)
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
Fast solid-state switching is an enabling technology for MVDC (Medium Voltage Direct Current) systems. Series- and parallel-connected IGBTs (insulate gate bipolar transistors) enable thousands of volts (up to 50 kV+) to switch hundreds of amps (up to 1000 A+) in less than 1 microsecond. These devices have characteristic power density of 200 MVA/m3 for a typical device rating of 4.5 kV and...
Mr
Isaac Cohen
(University of Texas at Arlington)
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
As the Navy transitions to a more electrical fleet, the electrical architectures must adapt to the changing load profiles. With the introduction of electrical propulsion, new types of electrical energy based weapons, and energy storage backups for these devices, load profiles have become higher power and more transient than ever seen before – especially during directed energy weapon operation....
Clay Nunnally
(APELC)
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
High-potential DC power distribution systems such as those found in aeronautics are at risk to failures different from AC and low-voltage DC systems. Detection and mitigation of such failures, in conjunction with prevention, are of importance for not only the aerospace field but also to electric vehicles, solar power systems, and data centers.
In collaboration with the Air Force Research...
Mr
Hassan El-Kishky
(The University of Texas at Tyler)
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
Pulsed power loads such as electromagnetic guns, electron lasers, high-power radars, electromagnetic launch and recovery systems can cause significant stress on aircraft electric power systems. In this paper, the performance characteristics of a fully integrated advanced aircraft electric power system (AAEPS) with a hybrid fuel cell-battery auxiliary power unit and connected pulsed power loads...
Muhammad Majid Hussain
(Glasgow Caledonian University)
07/07/2016, 13:30
Dielectrics, Insulation, and Breakdown
Poster Presentation
The present work is an experimental work to investigate the impact of wind speed on pollution accumulation rate on outdoor insulators near coastal area. The outdoor insulators near shoreline are suffered from rapid saline accumulation due to heavy wind coming from the seashore, which is more dangerous in foggy weather conditions. A method was developed in laboratory to find the impact of wind...
Mr
David Dodson
(University of Texas at Arlington)
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
The United States Navy is transitioning its fleet to utilize more high power electrical loads. Many of these loads are not only higher power than previously seen aboard ships, but also operate in a transient nature with loads that are much more capacitive than previously seen. In this transition, efficiency in power conversion has become more important than ever before. Converting AC power to...
Ze Zhang
(Texas Tech University)
07/07/2016, 13:30
Biological, Medical, and Environmental Applications of Power Modulators
Poster Presentation
Applications of electric pulses is known to create nanopores at the membranes of biological cells, which can then modulate the intracellular conductivity and permeabilization in a controlled manner. Applications of such membrane poration lies in the field of biomedical engineering, drug/gene delivery, cell fusion, and electrochemotherapy for cancer treatment. However, in addition to external...
Dr
Chenguo Yao
(Chongqing University), Ms
Hongmei Liu
(Chongqing University)
07/07/2016, 13:30
Biological, Medical, and Environmental Applications of Power Modulators
Poster Presentation
Pulsed electric fields have recently been the focus of considerable attention because of their potential application in biomedicine. However, their practical clinical applications are limited by poor understanding of the interaction mechanism between pulsed electric fields and cells, particularly in different effect of electroporation exposed in different parameters, and the optimal pulsed...
Adel El Shahat
(Georgia Southern University)
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
This paper proposes reviewing the recent advances and new technologies for NanoGrids systems. It aims to make a point of view on the Nano-grid as a future promising electric power system grid. It tries to reply some questions like what are the Nano-grids, how they are related to smart-grids and what is the difference between them and Micro-grids. Microgrids are building blocks of a Smart-grid....
Mr
Kouji Omatsu
(Tokushima University)
07/07/2016, 13:30
Biological, Medical, and Environmental Applications of Power Modulators
Poster Presentation
In recent years, environmental problems as acid rain and air pollution have become more serious. Nitrogen oxides (NOx) are one of causative agents of them. Currently, NOx treatment technology has been established, but they have some disadvantages as high cost and large-sized equipment. Because the NOx treatment equipment did not become widespread, there is a need in the art for a...
Mr
Huarong Li
(Institute of Plasma Physics Chinese Academy of Sciences)
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
Abstract-This paper suggests a four quadrants converter System for tokamak CPSS, such as ITER-like CFETR. The converter is composed of insulated-gate bipolar transistor (IGBT) and an internal passive LCL circuit. The resonant frequency characteristics of the LCL circuit are analyzed, and a parameter design method on the base of voltage stepping and the current regulation under extreme...
Dr
Adel El Shahat
(Georgia Southern University)
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
This paper proposes design and implementation of a small scale micro-hydro power electrical system capable of supplying a house near flowing water with sustainable power. A small scale hydropower turbine system and a larger system using a DC power supply generator are built. Real small hydro-generator associated with electric generator is used with a simple load, rectifier, and dc-dc...
Mr
Ross Petrella
(Old Dominion University)
07/07/2016, 13:30
Biological, Medical, and Environmental Applications of Power Modulators
Poster Presentation
Picosecond pulsed electric fields in the range of 20 kV/cm can affect electrically excitable cells such as neurons. A noninvasive applicator in the form of a wideband dielectric rod antenna was designed to achieve these ends in the brain. The antenna consists of three sections (a conical wave launcher, cylindrical waveguide, and conical emitting section). In a simulation utilizing a human...
07/07/2016, 13:30
Biological, Medical, and Environmental Applications of Power Modulators
Poster Presentation
We demonstrate that application of the pulsed power is an indispensable condition for realization of microbiological decontamination in an energy-efficient (respectively, non-thermal) manner.
There appear two distinctive (characteristic) cases of microbiological decontamination: the case of non-selective, tough sterilization, and the case of selective, obligatory non-thermal, chemically...
Mr
chenguo yao
(chongqing university),
shoulong dong
(Chongqing University)
07/07/2016, 13:30
Biological, Medical, and Environmental Applications of Power Modulators
Poster Presentation
The irreversible electroporation has the advantages of non-thermal, minimally invasive and visualization for the ablation of tumors which has been research and applied extensively. The technique involves delivering a series of unipolar electric pulses to permanently destabilize the plasma membrane of cancer cells through an increase in transmembrane potential, which leads to the development of...
Tao Shao
(Institute of Electrical Engineering, Chinese Academy of Science),
chengyan ren
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
The cascade type high voltage pulse power supply with the magnetic isolation is used to solve the problem of floating power supply of each cascade unit. Its structure is compact and the trigger mode is simple and reliable. Using the trigger mode of magnetic coupling isolation can increase the tail branch in each concatenation unit simply and conveniently, reduce the falling edge of output high...
Prof.
CHONG LIU
(008601064102268)
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
Power IGBT module is widely used in high power conversion applications in various fields because of the advantages of high voltage and high current applications. In order to avoid the influence of temperature rise to the device measurement, pulse test method is widely used to test its static and dynamic parameters, So there are single high pulse voltage source and single pulse high current...
Dr
Xiu Yao
(University at Buffalo)
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
With the development and implementation of dc based power systems, dc arc fault protection becomes an inevitable challenge for the safe operation in various applications. This paper presents a brief review of dc arc fault modeling and detection methods. The goal is to examine state-of-the-art technologies and to identify future research and development needs of dc arc fault protection in...
Dr
Adel El Shahat
(Georgia Southern University)
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
A Nano-grid is a model version of a smart grid with the ability to function as separate power generator. The power electronics converters are playing very important roles in smart homes. So this paper proposes three important converters as the following: Single-Input Multi-Outputs (SIMO) DC-DC Converter, Multi-Inputs Multi-Outputs Converter (MIMO) and Multi-Level Cascaded Inverter (MLCI)...
Shun Ogura
(Tokushima University)
07/07/2016, 13:30
Biological, Medical, and Environmental Applications of Power Modulators
Poster Presentation
Treatment approach of malignant neoplasm (cancer), which has high probability to death, has been actively studied. Although there are several current cancer therapy as radiation therapy, surgical therapy, and chemotherapy (anticancer drugs), these therapy have some disadvantages such as radiation to patient and critical side effects. The goal of this study was to establish a new cancer...
07/07/2016, 13:30
Biological, Medical, and Environmental Applications of Power Modulators
Poster Presentation
To solve the problems involved in tumor treatment using pulsed electric fields (PEF), we presented a novel tumor treatment method using high-frequency nanosecond pulsed electric fields (nsPEF) modulated by microsecond pulse based on both apoptosis and irreversible electroporation, also aiming at direct killing effects of microsecond pulsed electric fields (μsPEF) and indirect modulating...
Prof.
Kefu Liu
(Fudan University)
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
A solid-state dual Marx generator combined a pulse transformer is proposed in this paper, which can obtain a bipolar pulse and increase the output voltage. While, its input current will many times of the ratio of the pulse transformer, which will increase the difficult of the system thermal stress for its compact footprint. The power loss, power efficiency and thermal stress will be studied...
Mr
Inhwan Lee
(University at Buffalo)
07/07/2016, 13:30
Power Electronics, Power Supplies, Prime Power, Rotating Machines, and Energy Converters
Poster Presentation
Modular multilevel converter (MMC) has gained tremendous attention in high power applications since its introduction in 2003. It has enabled the usage of IGBT devices for high voltage applications without the need to connect a large number of switches in series. Although mostly adopted in medium voltage drives and high voltage dc transmission converter stations, MMC can be very promising...
Mr
Tomohiro Mori
(Kindai University)
07/07/2016, 13:30
Plasmas, Discharges, and Electromagnetic Phenomena
Poster Presentation
Over the past ten years, a number of studies using the discharge plasma, such as the surface discharge over water, the discharge assisted by bubbling and so on, have performed for the treatment of contaminated water. The aim of these researches is focused on the improvement of the energy efficiency. The input energy supplied into the discharge is used preferentially to produce discharge plasma...
