Research on Power Supply Employed in Ices Real-Time Monitoring System of High-Voltage Transmission Lines

Abstract

The research on the real time monitoring of the transmission lines is one of the directions for the power grid technologies. Seeing that the terminals of data acquisition system (DAS) of the real time monitoring of the transmission lines had to be located on the top of the tower, they were always in an unattended state, which brought out a protrusive problem of the power supply. This paper described a sort of power supply system featured as a hybrid of capacitors and solar batteries. The design of this power supply device must consider some important factors, such as how to take advantage of solar energy as full as possible and isolate from the high voltage electromagnetic interference. There are also many concrete details in the design of this supply device featured as a hybrid of super capacitors and solar batteries. The capacity of capacitors and solar batteries should also be deliberated to guarantee the maintainable supply at least one week even in the overcast and rainy days. This paper brought out some opinions on the solutions of the problems mentioned above. Related simulations were done to prove the effect of this power supply system of the monitoring system for transmission lines. The result showed that a hybrid energy storing system can play a better performance than single entire energy storing device.

Preliminary Application of Terrestrial 3D LiDar in Corridor Defects Detection of Overhead Transmission Lines

“…Conductor sag is the main indicator of line design and operation. It must be controlled within the range specified in the design because it is related to the safe operation of the lines [10]. Since the conductor sag varies with the changes of operational load and ambient, excessive sag will not only cause potential accidents, but also limit the transmission capacity of the line, especially in crossed crossing and crowded places [11].…”

“…Not only does it save much time, but also it is very convenient to use. Terrestrial 3D LiDar technology has been widely used in urban 3D visualization model establishment, industrial reverse engineering, deformation monitoring and other projects [4][5][6][7][8][9][10]. In this paper, firstly, we briefly describe the terrestrial 3D LiDar technology.…”

A Load-Independent Self-Oscillating Control of Domino Wireless Power Transfer Systems for High-Voltage Power Grid Monitoring Equipment

“…Online monitoring devices are widely adopted for high-voltage transmission lines (HVTLs) to ensure safe operations, since the electric parameters, wire temperatures, weather conditions, and lifetime detections of the auxiliary equipment for HVTLs are monitored by those devices [1][2][3]. To ensure sustainable operations of the monitoring systems under rainy and snowy weather, reliable power supplies are crucial.…”

A Power Supply Technology for a Low-Power Online Monitoring Sensor Based on Electric Field Induction

“…A stable and reliable power supply is an indispensable part of an online monitoring sensor for transmission lines. Currently, the online monitoring sensor on the tower is mainly powered by solar photovoltaic (PV) generation and batteries [1]. However, solar PV generation is influenced by environmental factors.…”