distance relay
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 ...
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Determining fault location on Transmission Line using Distance Relay
... using distance relay. The model works on the principle of a distance relay, how it work and using the different algorithms for detection of the fault on transmission ...by relay. The ...
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Enhancement Effects of the STATCOM on the Distance Relay Protection
... the distance variable three-phase to ground fault, with variable fault resistance, was applied to the ...of distance relay thus the relay will give a trip signal that it does not suffer from ...
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Design a Fuzzy Distance Relay Including STATCOM Effects
... the distance relay, which is considered as one of the most important types of protection, used in high voltage transmission lines ...the distance relay may be exposed during the work of some ...
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A New Adaptive Technique for Enhancement of Zone 2 Settings of Distance Relay
... of distance relay in adaptive protection system is determined by cal- culating the apparent impedance seen by zone-2 relays when faults are simulated on the lines emanating from the remote bus considering ...
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Calculation of Apparent Impedance and Distance Relay Tripping Characteristics in Ehv/Uhv Transmission Line with and Without Capacitance
... A distance relay operates by measuring the electrical circuit distance between the relay location and the point of fault (apparent impedance) to determine if a fault is in its protection ...
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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 ...
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Apparent Impedance of Ground Distance Relay using Variable Zero Sequence Current Compensation Factor
... ground distance relay for different values of current compensation factor are ...the relay shows underreaching in the protection zone and overreaching beyond the protection ...
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Evaluation of Uncertainties on the Performance of Distance Relay
... on distance relay parameters, reaching saturation point was caused by reactance ...old distance relay with comparative reactance relay ..."distance relay under ct ...
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Impact analysis of STATCOM on Distance Relay
... STATCOM is one of the most important and widely used FACTS devices. It is based on a voltage source convert and can inject an almost sinusoidal current with variable magnitude and in quadrature with the connecting line ...
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Prevention of False Operation of Distance Relay in Ferroresonance
... by distance relay is deviated in effect of Ferroresonance; furthermore, swing behaviour of power and impedance in effect of Ferroresonance causes operation of OSB (Out of Step Blocking) element of ...
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CT Compensation of Numerical Distance Relaying Algorithm
... Fig. 10. Voltage phasor for single phase fault in saturation condition The results for saturation condition including RMS values of compensated current and measured impedance are displayed in Table III and Table IV. ...
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Three Zone Protection By Using Distance Relays in SIMULINK/MATLAB
... line, distance relay measures the impedance between the faulty phases in case of LL fault or between faulty phases and neutral conductor in case of ground ...[1]. Distance relay will first ...
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Impact of IPFC on Distance Protection of Multiline Transmission System
... the distance relay is independent of the types of fault when compared to the over current ...of distance relay, as the Distance Relays are sensitive to apparent impedance seen by the ...
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Fault Location Method for STATCOM Connected Transmission Lines Using CCM
... based distance relay in the presence of FACTS controllers is a challenging task in a transmission ...new distance protection method is developed to locate the fault in a transmission line compensated ...
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Dynamic Analysis of TCSC on Distance Protection Relay & Its Mitigation
... numerical distance relay uses to locate a fault on a distance measurement between the fault and the point where it is ...the relay, can liberate the distance measurement from the ...
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Distance Protection Scheme for Transmission Lines
... such relay depends upon the predetermined value of voltage to current ...The relay will only operate when this voltage to current ratio becomes less than its predetermined ...the relay will only ...
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Setting and Checking the Performance of Multiplev Distance Relays at Single Line to Ground Fault
... A distance relay operates by measuring the electrical circuit distance between the relay location and the point of fault (apparent impedance) to determine if a fault is in its protection ...
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Effect of Communication Range with Node Coop eration in Wireless Passive Sensor Networks
... a relay node close to the source node will employ Decode and Forward and if it is close to the destination node, then Amplify and Forward will be ...single relay, source and destina- ...three relay ...
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Investigation of the sympathetic tripping problem in power systems with large penetrations of distributed generation
... protection relay for a given fault current and act to reduce the risk of sympathetic tripping of DGs connected to the ...the relay characteristic on sympathetic tripping the simulation was repeated with a ...
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