Next-gen transmission line inspection solutions

Overhead transmission line infrastructure have many points, long lines, and wide areas, and are several kilometers to hundreds of kilometers long. In such a narrow and long range, the line equipment is exposed to the natural environment for a long time, subject to various climatic conditions (such as storms, floods, ice, snow freezing, clouds, pollution, lightning strikes, etc.); Other external force damage (such as construction machinery breaking the wire, etc.).

All these factors endanger the safe operation of the line at any time. Therefore, there are more chances of line failure, and once a failure occurs, it will take a long time to repair and transmit power, which will cause different degrees of loss. To ensure the safe operation of the line, it is necessary to strengthen the daily inspection of the line and find out the defects of the equipment and the factors that endanger the safe operation of the line at any time to repair and eliminate hidden dangers in time and formulate safety measures.

Next-gen transmission line

The traditional operation and inspection mode often require many human resources focused on operation and maintenance, overhaul, and power preservation. With the rapid development of the power grid, professional human resources are increasingly tight, and the external operation and maintenance environment are increasingly harsh, the contradiction between the original manual inspection mode and the rapidly growing scale of the power grid is increasingly prominent, and the operation and maintenance effect needs to be significantly improved.

The second generation of transmission line visualisation inspection program – the application of the image/video monitoring device / with expansion module installed on the tower, through wireless 3G / 4G / 5G communication technology to obtain real-time line channel environment, the use of Artificial Intelligence (AI) image processing technology based on foreign object invasion automatic warning, hidden type of intelligent identification and other transmission line visualisation protection key technology, the line channel and the tower base near the emergence of external breakage of hidden danger timely warning, real-time feedback to the line inspection personnel, timely elimination of hidden dangers, the establishment of a combination of human, physical and technical prevention of transmission lines efficient visualisation protection system.

The Senter transmission wisdom line program, through a series of terminal products and software products, realises intelligent autonomous analysis and remote centralised monitoring, serves lean three-dimensional inspection of transmission lines and considers tower bases, provides early warning of tower theft, and realises multi-dimensional three-dimensional sensing of transmission lines such as visual, auditory, and tactile sensing. The products involved in the program are distributed in the application layer, platform layer, network layer, and perception layer.

In the perception layer, create edge intelligent terminals to extend the application of several types of online monitoring devices for transmission lines, gather a variety of online monitoring data through a variety of wireless communication technologies to achieve the integration of a variety of online monitoring; through edge computing, realise the pre-processing of a variety of online monitoring information to improve the timeliness of monitoring and warning.

In the network layer, it supports carrier network, wireless bridge, power dedicated network, and fiber optic way to realise remote online monitoring of multi-region and multi-terrain lines, and strictly follows the normative requirements of information security, focusing on information security guarantee while ubiquitous connection.

In the platform layer, the combination of, maintenance, and control, respectively, meets the needs of different dimensions such as application and management, to create an integrated Internet of Things (IoT) platform application system.

In the application layer, through the deep application of big data analysis, artificial intelligence, and other technologies, especially image intelligence analysis technology based on contextual understanding, the intelligence level and efficiency of the system operation are effectively improved.

1. This solution can be used in some very remote areas, such as mountainous areas, deserts, and trans-oceanic areas, where manual inspection is difficult to reach. And it can completely replace the manual inspection with a 24-hour picture inspection.

2. We solve 80% of the demand pain points with less than 20% of the cost, significantly reducing the cost and improving the service life of the equipment.

3. We have created a model: main screen monitoring, supplemented by video for intelligent analysis. Without affecting the efficiency of detection, it improves the service life and standby time of the machine.

4. The most important thing is to be able to detect hidden dangers in advance, such as hill fires, cranes, bird damage, tower theft, and all other dangers that may damage transmission lines or tower bases, and then the inspectors can arrive at the scene in advance, thus greatly reducing the outage rate.

Successful Cases

Xinjiang’s 750kV Datu first-line line channel environment is complex and diverse, covering many transmission line application scenarios, and there is a mismatch between the speed of power grid construction and the growth rate of operation and maintenance personnel, the transmission channel has a wide range of hidden dangers that are not easy to manage and control, professionals are not in place in a timely manner, the lack of professional level of mass line protection organisations, high inspection costs and low efficiency

After adopting the new transmission line visualisation operation and maintenance management mode, the frequency of inspection has been improved and the probability of accidents has been reduced. The accident probability was reduced by 34%.

Name	General hidden danger point inspection interval	Number of visits per tower per day	The number of hidden danger points per person	Daily Cumulative Nursing Time
Traditional management mode	4 Hour	4 times	3 towers	8 hours
New management mode	30 Minute	48 times	50 towers	24 hours

Each tower’s daily inspection frequency (From the original manual 8 hours on average 4 times), increased to 24 hours 48 times. The number of hidden dangers per person per day also changed from 3 per person per day to 50 per person per day, improving efficiency, improving the quality and level of grid services, and generating good social benefits.

Guided by the strategic policy of “leading international energy internet enterprise with Chinese characteristics”. Senter leads the domestic transmission line anti-breakage field. The first transmission line visual inspection system, with low cost, high reliability, intelligence, and easy installation, has won the high recognition of power users and has been widely promoted, and now our company has landed more than 300,000 sets of products nationwide.

For more information, visit the Shandong Senter website
E-mail: Joe@senter.com.cn
Phone: +86 15966980535