HIgh-voltage-engineering-2012






Multi-cell VEP Results: High Voltage, High Q, and Localized Temperature Analysis
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Abstract Cornell’s SRF group has been developed Vertical Electro-Polishing (VEP) for many years. So far VEP’ed cavity performance was limited by too much Q-slope above 25 MV/m. For ILC 9-cel cavity” ACCEL9 ,we minimized VEP removal based on previous VEP 

The Effects of High Voltage Electric Transmission Lines on Commercial and Industrial Properties
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This paper presents a series of analyses of the effects of high voltage transmission lines on the sales price and value of commercial and industrial properties in Wisconsin. The properties evaluated in this study are located in Madison, Milwaukee and other generally 

Effect of Cr-oxide partial coating on the electrochemical behavior of thin film high-voltagespinel
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The stored energy content of a (Li ion) battery can be optimized by increasing the specific capacity (mAhg-1) of the cell, maximizing the potential difference between positive (cathode) and negative (anode) electrodes and by reducing the amount of inactive material. Lithium 

Real Life High Voltage Accident Cases–Teaching Electrical Safety
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ABSTRACT – We discuss the engineering principles of Hi-voltage (any voltage above 600 volts). We cite 4 examples that typify some of the problems facing the Engineer and technician working with Hi-voltages, including geometry considerations, the need to follow proper 

Diathermy-induced ventricular fibrillation with Riata high-voltage lead insulation failure
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A 76-year-old man presented to a small peripheral hospital after a series of six shocks in quick succession from his implanted biventricular defibrillator (St Jude Medical Promote Accel RF device; right atrial, right ventricular, and left ventricular leads were SJM1688T, 

Alterations in arterial function after high-voltage electrical injury
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Abstract Introduction: The aim of this study was to evaluate the functional changes of the arterial endothelium and smooth muscle after a high-voltage electrical injury (HVEI), using flow-mediated dilation (FMD) and nitratemediated dilation (NMD).

An approximate dynamic programming algorithm for the allocation of high-voltage transformer spares in the electric grid
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This paper addresses the problem of allocating high-voltage transformer spares (not installed) throughout the electric grid to mitigate the risk of random transformer failures. With this application we investigate the use of approximate dynamic programming (ADP) for 

-Term Localized Fat Reduction and Cellulite Improvement Using Controlled, Suction Coupled, Radiofrequency Heating and High Voltage Ultra-Short Electrical
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Study of Pulsed High Voltage Source for Ozone Generation
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Abstract Production of ozone is one of the most typical industrial and commercial applications of electrical discharge. Ozone is replacing chlorine, for processing drinking water treatment, industrial wastewater, bleaching and decolourization. In this paper 

The Influence of Equipment Settings and Rock Properties on High Voltage Breakage
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 Settings and Rock Properties on High Voltage Breakage Klaas Peter van der High Voltage Breakage (HVB) relies on nanosecond electrical pulses to induce electrical breakdown 

Measurement of effective blast energy for direct initiation of spherical gaseous detonations fromhigh-voltage spark discharge
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ABSTRACT In this study, effective energy from spark discharge for direct blast initiation of spherical gaseous detonations is investigated. In the experiment, direct initiation of detonation is achieved via a spark discharge from a high-voltage and low-inductance 

Rubber Sealing Materials for High Voltage and High Temperature Aluminium Electrolytic Capacitors
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ABSTRACT Rubber sealing materials play an important role in aluminium electrolytic capacitors, especially at high voltages and high temperatures. These materials must have outstanding temperature resistance; optimum hardness and mechanical strength for long 

Electrocoalescence of Field Crude Oil using High voltage Direct Current
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ABSTRACT In the treatment of crude oil from oil wells, entrained water is removed principally by using chemical demulsifiers or heat treatment. There are, however, emulsions of water in oil which have been stabilized by the presence of surface active agents in the 

Artificial Neural Network Controlled Multilevel Inverter based Active Power Filter for High Voltage Systems
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ABSTRACT In this paper, a five-level multilevel inverter based shunt active power filter is presented. In the industry, use of High Voltage (HV) nonlinear load is increasing considerably and elimination of harmonics in HV system is gaining importance. 

High Voltage and High Reliability Silicon-on-Insulator Power IC Technologies and Their Application to 750 V 4.5 A Micro-Inverter IC
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We have successfully developed the record high blocking voltage of 750V and the largest current capability of 4.5 A silicon-on-insulator (SOI) micro-inverter IC, which is made possible by the newly developed high voltage reliability technology and high-speed and 

High Voltage Electron Cooler
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INTRODUCTION The new generation of particle accelerators operating in the energy range of 1-8 GeV/u for nuclear physics experiments requires very powerful beam cooling to obtain high luminosity. For example the investigation of meson resonances with PANDA detector 

RF Compact Modeling of High-voltage MOSFETs
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ABSTRACT The High-Voltage MOSFET is used in a wide variety of applications covering from power systems up to RF-IC. Compact models that describe the high-frequency behavior of the device are required to predict high-frequency operation and switching capabilities of 

Human Factors Issues and the Risk of High Voltage Equipment: Are Standards Sufficient to Ensure Safety by Design?
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High voltage equipment is mostly designed according to technically prescriptive standards requirements based on electrical engineering safety principles. However a more risk-based approach to standards and regulation may be advisable to enable designer and user to 

sLine: a High Voltage Switcher ASIC for LCLS Detectors with Rolling Shutter
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Abstract sLine is a fast-frame 128 dual-channel high-voltage switcher ASIC for 2D SLAC LINAC Coherent Light Source (LCLS) detectors with rolling shutter. The ASIC allows each row of pixels in a sensor to be addressed according to a time-division multiplexing 

Experimental Investigations of High Voltage Pulsed Pseudospark Discharge and Intense Electron Beams
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HE pseudospark discharge was first discovered in the late 1970’s, as an axially symmetric, high voltage gas discharge operating at low pressure regime located on the left hand side of the Paschen curve as illustrated in Fig. 1, which is based on the principles of a hollow 

An ANN based Relay Design for Identification Faults of 400kv High Voltage AC Transmission Line
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ABSTRACT This Paper Presents the modelling and identification of faults of a 400KV high voltage AC transmission line by using PSCAD/EMTDC Software and design an ANN Based distance relay in MATLAB NNTOOLBOX. The ANN Based distance relay which can 

A Cockcroft-Walton High-Voltage System for the ANDY Electromagnetic Calorimeter
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? Motivations for a Cockcroft-Walton HV system ? Design and principles of operation ? Control system overview ? Initial test results ? Mass production ? Cost and lead times ? Testing and

A Soft-Switching DC/DC Converter With High Voltage Gain for Renewable Energy Application
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ABSTRACT A soft-switching dc/dc converter with high voltage gain is proposed in this paper. It provides a continuous input current and high voltage gain. Moreover, soft-switching characteristic of the proposed converter reduces switching loss of active power switches 

Design and Development of a High-Voltage Transformer-less Power Supply for Ozone Generators Based on a Voltage-fed Full Bridge Resonant Inverter
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ABSTRACT It is known that transformer based power supplies for ozone generators have low efficiency, high cost and exhibits a limited frequency range of operation. To overcome these disadvantages, this paper proposes a high frequency ozone generator with the absence 

Study of gas mixtures and high voltage in a single gap RPC monitoring system
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The response of Resistive Plate Counters (RPC) detectors depends on both gas mixture and environmental parameters such as temperature, humidity, atmospheric pressure. An array composed of 12 single-gap square (50 x 50) cm2 RPC detectors is in operation at Frascati 

Reliability of High-Voltage MnO2 Tantalum Capacitors
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ABSTRACT While tantalum polymer capacitors are making significant penetration into many applications previously dominated by MnO2 tantalum capacitors, the present reality is that significantly more capacitors are manufactured with MnO2 as the cathode material than 

Study on Advanced High Voltage Capacitor and Its Applications
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ABSTRACT Owing to meet the advancement in electrical and electronics field modernization is common in all aspects, thus providing latest technologies on capacitors in order to take over the high voltage machineries and transmissions. These capacitors provide good effects on 

A High Efficiency Charge Pump for Low Voltage Devices
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ABSTRACT A charge pump is a kind of DC to DC converter that uses capacitor as energy storage elements to create a higher or lower voltage power source. Charge pumps make use of switching devices for controlling the connection of voltage to the capacitor. Charge 

Ultrashort pulse laser-triggering of long gap high voltage switches.
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ABSTRACT Laser-triggered high voltage switches need longer length and lifetime laser plasmas at controlled plasma densities in order to achieve optimal operational parameters (such as short runtime, low temporal jitter, and high voltage hold-off). We have 

Proposal of a New High Step-Up Hybrid Switch Converter with Reduced Switch VoltageStress
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ABSTRACT In this paper a new step-up DC-to-DC converter with high voltage conversion ratio with small voltage stress is presented. The converter is suitable for the applications where high voltage conversion ratio is required. The proposed converter is different from the 

Effect of extremely low frequency electromagnetic field exposure on sleep quality in high voltage substations
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ABSTRACT This study aims to investigate the effect of extremely low frequency electromagnetic fields exposure on sleep quality in high voltage substations (132, 230 and 400 KV) in Kerman city and the suburbs. For this purpose, the electric field intensity and magnetic flux 


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