Development of power supply system for obstruction lights exploiting induced current which flows through overhead ground wires

Yamaguchi, T.; Takano, Seiii; Naganuma, Osamu; Matsuoka, Masao; Nakamura, H.; Tomonaga, Kazuyuki

doi:10.1109/tdc.2002.1177800

Cited by 9 publications

(4 citation statements)

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“…Last, the case of lightning strike on the power line is considered. The measuring of lightning current is possible in last time [11], but measuring of the magnetic field is impossible, because the frequencies of lightning current are in interval of 20 kHz to 20 MHz [10]. The determination of the magnetic flux density can be done only through simulations.…”

Section: Resultsmentioning

confidence: 99%

Investigation of the Influence of the Electromagnetic Field in the Vicinity of High Voltage Overhead Line

Червенков

Chervenkova

2016

MSF

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The magnetic and electrical field in the vicinity of overhead power line for high voltage - 220 kV is investigated. FEM model is created. Simulations of normal and emergency mode of the power line are made. The electrical intensity at idle mode in some areas, close to overhead power line, creates a high voltage level for humans. It can create also disturbances in the electrical equipment and the vehicles. These surges violate electromagnetic compatibility. The magnetic induction at emergency mode – short circuit and lightning strike in the areas around the towers could give a disturbing reaction of humans, animals and sensitive electronic devices. One solution for decreasing of the magnetic flux density to acceptable values is offered.

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Section: Resultsmentioning

confidence: 99%

Investigation of the Influence of the Electromagnetic Field in the Vicinity of High Voltage Overhead Line

Червенков

Chervenkova

2016

MSF

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“…References [20][21][22] researched the energy harvesting system of wireless sensors to realize the self-power of these nodes. Reference [23] described the development of an electromagnetic induction power supply system that obtained stable power from overhead ground wires. Reference [24] reported a simulation study on a power conversion module for an energy acquisition system that used the ground wire of the transmission line.…”

Section: Introductionmentioning

confidence: 99%

Study on Energy Acquisition Scheme and Parameter Optimization for Double-Insulated Ground Wire of Overhead Transmission Lines

Zhang

et al. 2020

Journal of Sensors

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An energy acquisition system for the ground wire of an overhead transmission line can provide a continuous and stable power supply for an on-line monitoring device. Its key issue is how to obtain enough power. To solve this problem, an energy acquisition scheme based on the double-insulated ground wire of an overhead transmission line has been investigated in this study. Three energy acquisition schemes were proposed, equivalent circuit analysis models of the three energy acquisition schemes were established, and the maximum power acquired was theoretically analyzed. The energy acquisition power of the three energy acquisition schemes for different tower-type sizes was also analyzed. A simulation model was built in PSCAD. The effects of load impedance, length of energy acquisition wire, grounding resistance, and load current on the power acquired were analyzed. The research results of this paper provide theoretical guidance for choosing an energy acquisition scheme and for designing key parameters in practice.

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“…In paper [4], PTC based power is tapped from ground wire to power obstruction indication lights. In paper [5], induced GW voltages and currents are measured respectively on single-circuit and double-circuits transmission lines and compared with theoretical calculations.…”

Section: Introductionmentioning

confidence: 99%

Power Distribution Feature of Coil-based Power-Tapping from Ground Wire of Typical HV Overhead Transmission Line

Xie¹,

Wang²,

Luo³

et al. 2015

Proceedings of the 3rd International Conference on Advances in Energy and Environmental Science 2015

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Overhead transmission line, on-line powering, ground wire current, power distribution. Abstract. Power-tapping from ground wire is an ideal method to power on-line monitoring devices of HV overhead transmission line. And the way with bus-like power-tapping coil plays an important role for its simple engineering and excellent lightning protection performance. The key to the PTC way is whether enough power is available from ground wire. Study has revealed that for PTC of certain size and material the available power from ground wire is variable. Hence, to study the distribution performance of power from ground wire bears great reference value for the power-tapping design and installation of on-line monitoring device. In view of the power is in proportion to square of ground wire current, the power distribution performance is obtained through analyzing ground wire current of power-tapping circuit. Besides, effects of concerned factors on it are analyzed using EMTP-ATP program. Results show that the available power increases from the vicinity of terminal tower to middle zone of line, and tends to be stable when it is about 10 spans away. Besides, conductors transposition could reduce the current evidently while others show little impacts. Finally, on-cite measurements verified the above-said analysis.

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Development of power supply system for obstruction lights exploiting induced current which flows through overhead ground wires

Cited by 9 publications

References 0 publications

Investigation of the Influence of the Electromagnetic Field in the Vicinity of High Voltage Overhead Line

Investigation of the Influence of the Electromagnetic Field in the Vicinity of High Voltage Overhead Line

Study on Energy Acquisition Scheme and Parameter Optimization for Double-Insulated Ground Wire of Overhead Transmission Lines

Power Distribution Feature of Coil-based Power-Tapping from Ground Wire of Typical HV Overhead Transmission Line

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