A Dedicated Device Based on the Spatial Electric Field for Measuring Voltage of Catenary System

2015 ◽  
Vol 734 ◽  
pp. 109-112
Author(s):  
Jia Song ◽  
Xiao Dong Zhang ◽  
Yue Jia Sun
Keyword(s):  
Electric Field ◽  
Field Test ◽  
High Voltage ◽  
Test Results ◽  
Induced Voltage ◽  
Voltage Measurement ◽  
Measuring Device ◽  
Voltage Difference ◽  
The Earth ◽  
Catenary System

The traditional high-voltage electroscope is difficult to distinguish normal catenary voltage and induced voltage. In order to solve the problem, a method to measure high-voltage based on the effect of space electric field is proposed and a dedicated catenary voltage measuring device is made. The method follows divider effect of spatial capacitance and achieves quantitative voltage measurement without grounding by measuring and transforming the induced voltage difference of the capacitance which is placed between the catenary system and the earth and showing the actual catenary voltage value in LCD. The device can effectively distinguish catenary normal voltage and induced voltage, then reflects catenary real operation state. The field test results show the device meets the requirement of catenary voltage measurement.

scholarly journals Surface-Integrated Electric Field Sensor for the Detection of High-Voltage Power Lines

Sensors ◽  
2021 ◽  
Vol 21 (24) ◽  
pp. 8327
Author(s):  
Gunbok Lee ◽  
Jeong-Yeon Kim ◽  
Gildong Kim ◽  
Jae Hee Kim
Keyword(s):  
Electric Field ◽  
Electric Fields ◽  
High Voltage ◽  
Strong Electric Field ◽  
The Body ◽  
Power Lines ◽  
Induced Voltage ◽  
Electric Field Sensor ◽  
Field Sensor ◽  
High Voltage Power Lines

When a drone is used for inspection of facilities, there are often cases in which high-voltage power lines interfere, resulting in the drone being caught or falling. To prevent this type of incident, drones must be capable of detecting high-voltage power lines. Typically, a strong electric field is formed around the high-voltage lines. To detect the electric fields around high-voltage lines, this study proposes an electric field sensor that may be integrated within the body of a drone. In a laboratory environment, a voltage of 25 kV was applied to an overhead line, and the induced voltage in the proposed sensor was measured at various electric field intensities. Over an electric field range of 0.5 to 10.1 kV/m, a voltage of 0 to 0.77 V was measured with each proposed sensor. In addition, the electric field and the voltage induced in the sensor were measured in a real-world railway environment with overhead lines. Under these conditions, the proposed sensor has the compensated value of 4.5 when the measured electric field was 4.05 kV/m. Therefore, the proposed sensor may be applied in drones to measure large electric fields and to detect the presence of high-voltage lines in its vicinity.

scholarly journals Designing and Development of 30 KV DC Rectifier Amplifier for Polling Optimization on PVDF Thin Film

2014 ◽  
Vol 15 (1) ◽  
pp. 23
Author(s):  
Ambran Hartono ◽  
Mitra Djamal ◽  
Suparno Satira ◽  
Herman Bahar ◽  
Ramli Ramli ◽  
...  
Keyword(s):  
Thin Films ◽  
Electric Field ◽  
High Voltage ◽  
Output Voltage ◽  
Pvdf Film ◽  
Test Results ◽  
Output Stability ◽  
Voltage Amplifier ◽  
Design And Manufacture

DC high voltage amplifier is one of the important components to support of PVDF thin films polling equipment. Hardware polling is a very important tool in the characterization of PVDF thin films to increase piezoelectric properties. The existence of the problem will be difficult to obtain a high voltage DC sources of lead in the market encouraged us to design and create high-voltage DC source. In research that has been done I've been able to design and create high-voltage amplifier 30 KV DC as a producer of high electric field. To validate the performance of this high voltage DC amplifier has created further testing and measuring the output voltage. Testing is performed to determine the precision, accuracy and stability of the output voltage of the amplifier for more than 60 minutes. From the test results and output measurements performed show that the relative error of 4.5%. Tool output stability is good enough for a span of 30 minutes. This indicates that the design and manufacture of high DC voltage gain have been successful.   Keywords: DC Amplifier, Electric field, High voltage, Polling, PVDF Film

scholarly journals The profile of the electric field on the earth discontinuity with a lightning conductor

2016 ◽  
Vol 1 (1) ◽  
pp. 30
Author(s):  
Ali Khechekhouche
Keyword(s):  
Electric Field ◽  
Field Distribution ◽  
Field Intensity ◽  
High Voltage ◽  
Electric Field Distribution ◽  
Geometrical Model ◽  
Electrical Strength ◽  
Capture Effect ◽  
Air Gaps ◽  
The Earth

In this paper, we present some results of investigations carried out in the electric field distribution of both horizontal and vertical lightning conductors in the case of discontinuous earth. The conductors may be situated as well as in the upper or the lower earth part. The electric field distribution was determined in the case of lightning conductor situated between the high voltage rod and the discontinuity (interface) and also in the case of high voltage rod situated between the lightning conductor and the discontinuity. In some situations the electric field distribution on the plan are smaller than defined by the electro-geometrical model. We attribute this result to the great field intensity at the discontinuity, which reduce the lightning conductor discharge capture effect. This is in concordance with the results concerning the electrical strength of such air gaps without lightning conductors. 

PEMANFAATAN RADIASI ENERGI TEGANGAN 150 KV UNTUK LAMPU LED PENERANGAN JALAN

Jurnal Teknik ◽  
2018 ◽  
Vol 7 (1) ◽  
Author(s):  
Mauludi Manfaluthy
Keyword(s):  
Magnetic Field ◽  
Electric Field ◽  
High Voltage ◽  
Low Frequency ◽  
Energy Utilization ◽  
World Health ◽  
Electromagnetic Signals ◽  
Health Organization ◽  
The Magnetic Field ◽  
Low Frequency Waves

WHO (World Health Organization) concludes that not much effect is caused by electric field up to 20 kV / m in humans. WHO standard also mentions that humans will not be affected by the magnetic field under  100 micro tesla and that the electric field will affect the human body with a maximum standard of 5,000 volts per meter. In this study did not discuss about the effect of high voltage radiation SUTT (High Voltage Air Channel) with human health. The research will focus on energy utilization of SUTT radiation. The combination of electric field and magnetic field on SUTT (70-150KV) can generate electromagnetic (EM) and radiation waves, which are expected to be converted to turn on street lights around the location of high voltage areas or into other forms. The design of this prototype works like an antenna in general that captures electromagnetic signals and converts them into AC waves. With a capacitor that can store the potential energy of AC and Schottky diode waves created specifically for low frequency waves, make the current into one direction (DC). From the research results obtained the current generated from the radiation is very small even though the voltage is big enough.Keywords : Radiance Energy, Joule Thief, and  LED Module.

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