ELECTROMAGNETIC TRANSIENT ANALYSIS AND NOVEL PROTECTIVE RELAYING TECHNIQUES FOR POWER TRANSFORMER

domain closed-form Green’s functions can be employed efficiently in the solution of MPIE for planar, multilayered geometries.
With the appropriate spatial-domain Green’s function and boundary conditions, the surface current of a specified problem can be calculated. Based on the a[r]

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It is possible to integrate an APF function into a battery charger. For example, an uninterruptible power supply (UPS) with integrated APF capability has been proposed (C.-C.& Manjrekar, 2005; Wu & Jou, 1995). In both cases, a voltage-fed type APF i[r]

The dynamic displacement of any point in an elastic waveguide can be determined by superimposing the amplitudes of the constituent waves traveling along the waveguide, which is a basis of wave propagation. Based on this simple fact, an alternative technique for the free and forced v[r]

I suppose very few engineers have wound direct current machines for 10,000 volts. My experience with such machines which I constructed for certain experimental purposes was that they invariably break down. The reason is that owing to the presence of[r]

Analysis of complex mixture containing three or more components represented a challenge for analysts. New smart spectrophotometric methods have been recently evolved with no limitation. A study of different novel and smart spectrophotometric techniques for resolution of severely overlapping spectra[r]

Ethanolysis of sunflower oil with Mucor mehi lipase did not yield more than
85% even under optimized conditions but the yields were improved by the addition of silica gel to the reaction medium (Selmi and Thomas 1998). This was due to the adsorption of the glycerol by the sili[r]

CARD Project Milestone 4 focused on the development of supply chain training workshops and manuals. These manuals were translated into Vietnamese. Participatory action learning and farmer’s extension school activities were conducted for trainers in Southern Sub-institute of[r]

Linear Minimum Mean-Square-Error Transceiver Design for Amplify-and-Forward Multiple Antenna Relaying Systems

1. Introduction
The change from vegetative to reproductive growth is a critical developmental transition in the life of plants. Various external cues, such as photoperiod and temperature, are known to initiate plant flowering under the appropriate seasonal conditions. Endogenous cues incl[r]

recombinant HBV-expressing adenoviruses and transfected with a p16 overexpression plasmid or siRNAs to p21 or p27 or both p21 and p27 (Gearhart & Bouchard, 2010b). The results of these studies demonstrated that entry of quiescent, primary rat hepatocytes into the G1 phase of th[r]

The values for the check standard should be recorded along with pertinent
environmental readings and identifications for all other significant factors. The best way to record this information is in one file with one line or row (on a spreadsheet) of information in fixed fields[r]

Contact Sheets
• One technique which has generated good results is to combine automated “user” input with manual verification of the resulting on-screen content
• Events such as key-presses are automatically generated, and after a certain period screenshots are taken and stored <[r]

This paper uses techniques for SWOT analysis to identify strengths, weaknesses of tourism potential in the Southern Central region and opportunities and challenges to[r]

The first letter of the element name specifies the element type. The nodes following the element name must be non-negative integers but need not be numbered sequen- tially and where node 0 is the ground or reference node.
A control line within the input deck is specified by a line containin[r]

This study also reviewed the effect of cable burial depth on temperature distribution when a single XLPE insulated cable was considered. It was observed that the cables laid near to earth surface had increased current carrying capacity. This case is due to convection on earth. Reduction in t[r]

CHAPTER 7 Slide 2 OBJECTIVES  To describe the principal requirements engineering activities and their relationships  To introduce techniques for requirements elicitation and analysis [r]

The no-load losses are essentially the power required to keep the core energized, and so are many times referred to as the core losses. They exist whenever the unit is energized. No-load losses depend primarily upon the voltage and frequency, so under operational condition[r]

publications give the burdens of individual relays, meters, etc., from which, together with the resistance of interconnecting leads, the total CT burden can be calculated.
The CT burden impedance decreases as the secondary current increases, because of saturation in the magnetic circuits of rela[r]

McGowan 1 Introduction 163 2 Magnetizing Inrush 163 2.1 Initial Inrush 163 2.2 Recovery Inrush 165 2.3 Sympathetic Inrush 165 3 Differential Relaying for Transformer Protection 166 3.1 D[r]

amounts. Eventually, a point is reached where the outer shell has such a large surface area that any further increase adds little to the total resistance. At this point the resistance can be considered constant. It rises rapidly again as the measuring electrode intercepts the shells associated w[r]