high voltage transmission line
Research of communication technology on IoT for high voltage transmission line
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This paper presents a three layered network construction of Internet of Things (IOT) communication method for high voltage transmission line which involves the wireless self- organized sensor network (WSN), optical fiber composite overhead ground wire (OPGW)
Genetic diversity of winter wheat (Triticum aestivum L.) growing near a high voltage transmission line
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The objective of this study was to determine the effects of an electromagnetic field on the genetic variability on winter wheat plants cultivated underneath high voltage transmission lines (50 Hz, 6 kV/m). The experiment with winter wheat plants was carried out near Kafr El
MHO distance relay of transmission line high voltage using series compensation in Algerian networks
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This paper deal with an analytical and simulation of the application of distance relay for the protection of line transmission high voltage 220 kV employing series capacitors compensating devices. A detailed modelling of series compensated (SC) is proposed and
Congestion management in high voltage transmission line using thyrister controlled series capacitors (TCSC)
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Congestion management is one of the technical challenges in power system deregulation. In deregulated electricity market transmission congestion occurs when there is insufficient transmission capacity to simultaneously accommodate all constraints for transmission of a
Prediction of Flashover and Pollution Severity of High Voltage Transmission Line Insulators Using Wavelet Transform and Fuzzy C-Means Approach
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Major problem in the high voltage power transmission line is the flashover due to polluted ceramic insulators which leads to failure of equipments, catastrophic fires and power outages. This paper deals with the development of a better diagnostic tool to predict the
Reduction of power loss from corona phenomena in high voltage transmission line 115 and 230 kV
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Abstract The Power Loss from Corona Phenomena in High Voltage Transmission Line 115 and 230 kV were studied the effects of various elements that affect the power loss from corona in high voltage transmission line between Khon Kaen and Nakhon Ratchasima and
Fault Diagnosis of a High Voltage Transmission Line Using Waveform Matching Approach
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This paper is based on the problem of accurate fault diagnosis by incorporating a waveform matching technique. Fault isolation and detection of a double circuit high voltage power transmission line is of immense importance from point of view of Energy Management
Fast decoupled power flow for power system with high voltage direct current transmission line system
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Problem statement: High voltage direct current transmission line system has been widely applied for control power flow in power system. The power flow analysis was the one of powerful tools by which the power system equipped was analyzed both for planning and
Finite element approach to electric field distribution resulting from phase-sequence orientation of a double-circuit high voltage transmission line
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This paper proposes a mathematical model of electric fields caused by high voltage conductors of electric power transmission systems by using a set of second-order partial differential equations. This study has considered the effect of conductor phase-sequence
Polymer matrix composites in high voltage transmission line applications
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The primary purpose of the weathersheds is to increase the leakage distance between the energized and ground ends of the insulators and to protect the GRP rod against the outside environment. Today, common housing materials are ethylene-propylene rubbers, different
Study on Surface Electric Field Simulation of High Voltage Transmission Line Assembly
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For the studies in the field of high voltage power transmission , this paper has adopted the method of finite element node potential, and put forward two kinds of high pressure sensor- fixture modeling scheme for the sensor-fixture of the high voltage side, the simulation
Insulation Coordination of Quadruple Circuit High Voltage Transmission Line using ATP-EMTP
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ABSTRACT A significant number of faults in overhead transmission lines are due to lightning strikes which cause back flashovers and hence single or double circuit outages. The continuity and quality of the power supply is therefore can be severely affected by the
Power improvement of transmission line using high voltage direct current (HVDC) transmission system
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The use of long EHV (Extremely High Voltage ) ac lines for the transmission of electrical energy increases the line reactance and susceptance which limits the thermal loadings on the line in order to keep sufficient margin against transient instability. With the scheme
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
Fault Location in High Voltage Transmission Line with Current Traveling Wave
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This paper presents a new fault location method for high -speed transmission line protection using wavelet technique. Traveling wave theory is utilized in capturing the travel time of the transients along the monitored lines between the fault point and the relay. This knowledge is
Electromagnetic field interaction between overhead high voltage power transmission line and buried utility pipeline
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This work presents the development of a new approach of modelling the source excitation and the penetration of structures by continuous propagating electromagnetic (EM) plane waves. The technique incorporates the solution of time-dependent Maxwells equations and
Study on Suppression of Secondary Arc Current under Different Fault Locations for High Voltage Transmission Line
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In super/extra high voltage systems, voltage levels are much higher and transmission lines are much longer, so it makes burning times of secondary arc current become longer, thus reduces the successful rate of single-phase auto reclosing. When single-phase grounding
Development of High Strength Invar Alloy Wire for High Voltage Overhead Power Transmission Line
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Since 1980, Aluminum Conductor Invar alloy Reinforced (ZTACIR), developed by Sumitomo Electric, has been used as a high voltage power line . As electricity consumption increases, the power line has increasingly been installed in order to boost the capacity of overhead
On- line wireless PD monitoring system for contamination detection on high voltage overhead transmission lines insulators
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In the age of Smart Grid, the use of new monitoring sensors in transmission networks, has become vital from a techno-economical perspective. Contaminatedinsulators in polluted areas lead to flashovers and outages if they are not cleaned periodically. Resulting
Comparison of Induced Voltages in Different Cases Describing the Effect of High Voltage on Transmission Line
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Voltage induced on overhead transmission lines due to lightning phenomena is one of the major reasons for the flash over and outages. The basic insulation levels of the transmission lines are lower; therefore the problems caused by the lightning strokes in the vicinity of the
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