[PDF] Top 20 A New Adaptive Technique for Enhancement of Zone 2 Settings of Distance Relay

A New Adaptive Technique for Enhancement of Zone 2 Settings of Distance Relay

... offline settings can only consider limited network states. The online settings (or adaptive settings), on the other hand, respond to the changing system conditions and adapt the relay ... See full document

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Adaptive mho distance relay for combined transmission line: An optimization technique for charging current compensation

... Distance relay operation is shown in Figure-5 for a different fault resistance at reach point of ...vital. Distance relay is affected by fault resistance and fault location which can reduce ... See full document

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Apparent Impedance of Ground Distance Relay using Variable Zero Sequence Current Compensation Factor

... turn relay setting of long EHV/ UHV transmission lines ...the relay to minimise the time delay and enable fast tripping of the circuit breakers ...[2]. New method based on apparent impedance ... See full document

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Multi microphone speech enhancement technique using a novel neural network beamformer : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Engineering at Massey University, Albany, New Zealand

... LPC distance measure (Rabiner & Sambur, 1977), energy distribution, timing, pitch (Arcienega & Drygajlo, 2002), zero crossing rates (Junqua, Mak, & Reaves, 1994), cepstral features (Haigh & Mason, ... See full document

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Evaluation of Uncertainties on the Performance of Distance Relay

... a new approach for calculating zone 2 distance relay settings and its application in comparative ...calculating zone 2 settings in response to change in ... See full document

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Solubility Enhancement of Diacerein by Solid Dispersion Technique

... The study shows that dissolution rate of diacerien can be enhanced to great extent by solid dispersion techniques due to wetting and solubilization phenomena. Analytical method of IR spectrum, DSC and TLC was confirmed ... See full document

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A Novel Technique for Speech Processing Using Combinational Adaptive Methods

... of Adaptive-FIR Filter using shadow concept for Kaiser window was ...to Adaptive filter and obtained de noised wave form at output which is shown in ...based Adaptive filter from Fig:4 to Fig:6 for ... See full document

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Impact analysis of STATCOM on Distance Relay

... Now-a-days power systems have become very complex with interconnected long distance transmission lines. The interconnected Grids become unstable as the heavy loads vary dynamically in their magnitude and phase ... See full document

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EFFECTS OF FACTS DEVICE (STATCOM/SVC) ON ZONES AND POWER SWING SETTINGS IN DISTANCE NUMERICAL RELAY OF TRANSMISSION LINE

... The zone-1 covers 80% of impedance of line and fast operation. And zone-2 is 100% of first line and 50% of second line impedance or 120% of line ...And zone-3 is 100% of first line and 100% ... See full document

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A Model of Distance Protection Relay

... A model of the distance protection relay has been presented. There are two basic comparison techniques: Amplitude and phase techniques. In impedance measurement, the phase comparator can be equated to the ... See full document

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Numerical Quadrilateral Distance relay

... quadrilateral distance relay characteristic for the protection of high voltage line using numerical ...the relay is generated by the software designed in Visual Basic ...numerical relay is ... See full document

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Systematic procedure to determine line current differential relay settings with back up distance for a 500 kV ac three phase line

... At times a command to trip an intended circuit breaker (CB) may fail to achieve its mission because of a CB failure to trip. There are a many reasons why a CB may fail to trip once given a command to do so. Failure of a ... See full document

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A new modified technique of laparoscopic needle catheter jejunostomy: a 2-year follow-up study

... (Figure 2) was introduced in the left upper quad- rant below the costal margin (the proposed jejunal feeding tube exit site) (Figure 1), percutaneously into the peritoneal cavity, under direct ...Polysorb™ ... See full document

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Setting and Checking the Performance of Multiplev Distance Relays at Single Line to Ground Fault

... instantaneous Zone 1 protection. For digital/numerical distance relays, settings of up to 85% may be ...the Zone 1 protection over-reaching the protected line due to errors in the current and ... See full document

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A Framework for Mobile Learning for the enhancement of Learning in Higher Education

... This article highlights how mobile learning using SMS and Facebook could be used together with classroom learning in order to support student learning in higher [r] ... See full document

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Two-Stage Interpolation Algorithm Based on Fuzzy Logics and Edges Features for Image Zooming

... Particle swarm optimization (PSO) is a population- based evolutionary algorithm that was inspired by the social behavior of biological organisms [29, 30], which is associated with an optimization search for solutions. As ... See full document

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ENHANCEMENT OF SOLUBILITY AND DISSOLUTION RATE OF EFAVIRENZ USING LIQUI SOLID COMPACT TECHNIQUE

... Disintegration Time: The disintegration time was determined using disintegration test apparatus at 37 0 C ± 2 0 C. A tablet was placed in each of the six tubes of the apparatus and one disc was added to each tube. ... See full document

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Fuzzy logic and Regression Approaches for Adaptive Sampling of Multimedia Traffic in Wireless Computer Networks

... To evaluate the effectiveness of the developed adaptive sampling method, comparisons of the original traffic's data packets and its sampled versions were carried out. Comparisons of mean and standard deviation of ... See full document

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Adaptive Zone-based Bandwidth Management in the IEEE 802.16j Multi-hop Relay Network

... network is expected in order to guarantee QoS transmission. The issue of QoS supporting for mobile users (also referred as Mobile QoS, denoted by MQoS), has been addressed in the literature for many years. The typical ... See full document

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Online Full Text

... The relay settings with also correspondingly change for this, as a result of the adaptability ...numerical relay has been aimed mainly to solve a chronic ailment in one of the power utilities of ... See full document

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