A Brief Discussion on the Application of Power Monitoring System in Highways

Li Mingjun

Ankerui Electric Co., Ltd. Shanghai Jiading 201801

AbstractexpresswayAs an important foundation guarantee for current urban development and progress, it can promote rapid economic growth in the region. To ensure the opening of highwaysSafety and efficiency are important for the orderly development of mechanical and electrical engineering, and the introduction of power monitoring systems can timely detect safety hazards in highway operation through information technology, and then take targeted measures to improve the stability of highway transportation. Based on this, the article first provides a brief introduction to the functions of the power monitoring system, then focuses on the importance of the power monitoring system for highway electromechanical engineering, and finally comprehensively explores specific measures to improve the construction quality of the power monitoring system. It is hoped that this can provide some reference and inspiration for relevant personnel to jointly promote the stable operation of electromechanical engineering, ensure the safety of highway opening, and achieve the sustainable development of highways.

Keywords:expressway; Mechanical and electrical engineering; Power monitoring system; importance

0 Introduction

The application of power monitoring system in highways can effectively improveThe safety and stability of roads. Real time road condition management of highways through monitoring devices can timely detect and warn of traffic congestion, accidents, and other situations, providing drivers with the latest road condition information and avoiding unstable road operation caused by unexpected situations. At the same time, the power monitoring system can also develop targeted measures for vehicle failures and accidents through data analysis and processing, to ensure that citizens are not excessively affected by external factors during highway travel, and to achieve effective integration of science and technology with human society.

The functions of the power monitoring system

1.1 Remote communication, monitoring, and control functions

The power monitoring system is a system that integrates remote communication, monitoring, and control functionsA system that can be integrated into one, which enables real-time monitoring of various power equipment and their operating conditions through relevant monitoring software during operation. Monitoring and management personnel only need to log in through the power monitoring software to directly obtain the operation status of other systems, without the need for on-site inspections, which improves work efficiency and operational convenience. Through the conversion of photoelectric signals, the power monitoring system can convert the operation status of power equipment into corresponding signals and transmit them in real-time to a database for storage, including important parameters such as voltage, current, power factor, etc., which can reflect the operation status of power equipment. By connecting with the database, the monitoring system can provide real-time operational data, accurate power information for users, and facilitate timely judgment of operational status. In addition, technicians can also use various chart information and historical curve graphs in the system to diagnose equipment failures**By analyzing, effective measures can be taken to address the existing abnormal states. At the same time, the monitoring system can achieve early warning. When the device parameters change and reach the expected alarm threshold, the monitoring system will automatically recognize and alarm in a timely manner, allowing staff to quickly view relevant information and handle it promptly, reducing the recurrence of faults. At the same time, the system can also provide important data backup and analysis functions for subsequent continuous work, continuously optimizing the power operation system and providing basic guarantees for the normal and orderly operation of high-speed electromechanical engineering.

1.2 Data processing function

As a key link in the monitoring system, data processing can provide data decision-making information for the orderly work of highway electromechanical engineering. General data processing engineering mainly involves the recording and processing of event sequences, telemetry data processing, and the generation of trend curves for analysis data.

First,Event sequence recording and processing. The system can automatically understand the process of events based on their sequence of occurrence (power failure, equipment alarm), in order to conduct in-depth analysis and processing, ensuring the smooth progress of subsequent work. Secondly, telemetry data processing. The power monitoring system can collect multiple parameters such as current, voltage, and power of power equipment in real time, and then preprocess the data. By processing and analyzing telemetry data, it can accurately grasp the changes in the operating status of power equipment, and timely detect and deal with possible abnormal dangers. At the same time, statistical analysis of data can also be conducted during data analysis and processing, thereby gaining a clear understanding of the overall operation status and energy consumption of the power system, in order to better implement management measures for the power system in the futureProvide intuitive basis for operational decision-makers. In addition, through various data reportsThe formation can also provide a visual understanding of the current operating situation. Thirdly, analyze the generation of data trend curves. By automatically collecting and organizing relevant data information, the power monitoring system can form a data trend curve graph, which can be combined with the curve graph to clearly see the changes in the operating status of power equipment before and after, and timely detect abnormal operating conditions. Based on the changes in the curve graph, power faults in the equipment can be discovered in a timely manner, providing an important foundation for the normal operation of mechanical and electrical engineering.

1.3 Human machine interface functions

nowThe reasonable application of information technology can provide visual human-machine interface for staff, thereby gaining a clear and intuitive understanding of the power operation status, and thus mastering the actual operation status of the highway power system. In case of abnormal situations, they can quickly respond. The main function of human-computer interaction is to construct models, through which the specific operating status of the highway power system can be clearly seen, thereby achieving visualization effects. During the modeling process, information such as the layout of power equipment, cable connection methods, and laying paths can be simulated. Then, the overall shape of the power system can be presented to the staff through three-dimensional graphics, enabling them to more accurately grasp the internal structure and composition of the power system, helping them better understand the operating principles of the power system, and thus enabling timely investigation of potential power hazards,**Ensuring the continuous stability and reliability of power operation provides an important basis for the orderly and healthy development of highway electromechanical engineering. At the same time, the implementation of human-computer interaction function can also provide personnel with the actual status of the power system during highway operation through indicator lights or charts, and accurately determine whether there is power overload or other abnormal situations, thereby achieving the controllability of the power system and ensuring that it is within the normal range. In addition, the human-computer interaction function also has advance warning and alarm functions. By setting parameter thresholds in advance, a warning will be issued when parameter changes exceed the pre-set values, so that staff can quickly handle them and minimize the impact of faults. At the same time, staff can also set alarm conditions and alarm methods on the interface to meet the needs of different scenarios. This function can effectively improve the operational efficiency and decision-making ability of staff, ensuring that the power system of the highway operates within a normal range, thereby guaranteeing the normal operation and safety of the highway.

The Importance of Power Monitoring System for Highway Mechanical and Electrical Engineering

2.1 Ensure the normal operation of highways

The power monitoring system can observe the operation status of power supply equipment in real time through the collection and data collection of measurement and control instruments. Through the collection and analysis of these data, abnormal situations of equipment (such as equipment damage, faults, etc.) can be detected early, and repair or replacement measures can be taken in a timely manner to avoid the suspension of highways or other traffic accidents caused by power supply problems. For example, when a sudden power failure occurs, it may cause the toll collection system on the highway to malfunction, resulting in long queues at highway intersections. This not only causes more people to be stranded on the highway, affecting its daily operation, but also brings a bad living experience to travelers and reduces the influence of the city. The application of power monitoring systems can effectively avoid the occurrence of such phenomena, detect faults in a timely manner, and**Take effective measures within the time frame to greatly safeguard the interests of travelers. Secondly, the power monitoring system can help detect whether the power supply is running normally. By monitoring changes in parameters such as voltage and current, it can promptly detect unstable power supply situations, such as high or low voltage, excessive current, etc. When these problems are discovered, the system can immediately sound an alarm and notify maintenance personnel to make adjustments and repairs, ensuring the stability of power supply and ensuring the normal operation of the highway. In addition, through the analysis and statistics of electricity data, the power consumption and load situation of highways can be understood. This is of great significance for formulating reasonable energy consumption strategies and improving energy utilization efficiency. By monitoring and analyzing power data, some energy-saving potential can also be discovered, further reducing highway operating costs.

2.2 Protection of high-speed cables

In the construction of highways in China, the use of cables has become an important part, carrying important equipment power supply tasks in highway electromechanical engineering, such as lighting, signal systems, electronic toll systems, etc. However, in recent years, the incidents of cable damage and theft have been on the rise, posing significant risks to the safe operation and maintenance of highways. As a key device, the power monitoring system can monitor, control, and manage the operation status of highway power equipment in real time, providing important protection for high-speed cables. Firstly, the power monitoring system monitors highway cables in real-time through sensors, which can detect cable damage, theft, or abnormal situations. Once an abnormality is detected, the system will immediately issue an alarm signal and quickly transmit the information to relevant personnel for timely measures to avoid further losses. At the same time, the power monitoring system can also achieve remote monitoring and adjustment of cable operation status. When problems such as cable overload and short circuit are detected, timely response can be made, and staff can carry out cable repair and maintenance work based on monitoring data,**Reduced the occurrence of line faults in cables during long-term operation, ensuring the stability of the power system. In addition, through the remote communication function, the actual operating data of the cable can be visually presented to the operator through charts. By identifying potential hazards and taking early intervention measures, the service life of high-speed cables can be effectively extended. At the same time, the remote control function can also perform operations such as cable switching and load adjustment, improving the efficiency and convenience of cable operation and maintenance, and protecting the normal operation of highways.

2.3 Reduce operation and maintenance costs

With the continuous development of the social economy, the construction of highways is also showing an upward trend, and the scale of installation and maintenance of power equipment is also expanding. The traditional form of manual inspection not only requires a large amount of human resources, but also has a certain lag, which is difficult to meet the growing demand for power maintenance. The effective application of power monitoring systems can fully combine the advantages of information technology for real-time monitoring and remote operation of power systems. By installing sensor devices, real-time operating data can be obtained to achieve real-time monitoring of power systems, which not only saves human resource expenses but also greatly improves maintenance efficiency and effectively reduces operation and maintenance costs. At the same time, the power monitoring system can also achieve remote control of switchgear, load adjustment, etc., which not only reduces personnel travel costs, but also enables faster and more accurate equipment debugging and operation, saving time and energy costs. In addition, by deeply analyzing the data collected by the equipment and combining it with the assessment of the equipment's healthy operation status, a comprehensive maintenance plan can be developed to effectively avoid unnecessary maintenance measures,Further reducing maintenance funds and achieving the goal of lowering operation and maintenance costs.

3. Construction quality control measures for electromechanical engineering power monitoring system

3.1 Preparation before Construction

During the construction process of the power monitoring system, it is necessary to prepare well in the early stage, in order to lay a solid foundation for the orderly development of subsequent work. Firstly, the construction unit should conduct on-site inspections of the construction site, fully grasp various information such as the on-site environment, in order to ensure the operability of the project construction. At the same time, various equipment and materials will be used during the construction process, so it is necessary to carry out relevant testing and inspection work to ensure that the equipment, materials, etc. used in the actual project comply with relevant national standards, providing important support for the efficient operation of the power monitoring system. Specific performance evaluations need to be conducted again when equipment and materials enter the site, and on-site storage of equipment and materials needs to be done well. Through effective implementation of quality control measures and continuous optimization and adjustment of mechanical equipment, the project construction needs can be met. In addition, the design unit should have sufficient communication and coordination with the construction unit and the supervision unit, and achieve efficient implementation of the construction plan through the joint cooperation and cooperation of the three parties. The supervisory agency should attach great importance to the continuous improvement of the supervision mechanism, and at the same time equip professional supervision and management personnel to conduct strict review and supervision of the engineering design and construction stages, ensuring the quality of engineering construction. in order to**To play the role of supervision, it is necessary to cultivate the sense of responsibility of supervision and management personnel, and establish a reward and punishment system to stimulate their work enthusiasm, thereby effectively controlling potential risks in construction and ensuring the orderly progress of the project.

3.2 Strictly control the construction quality

The construction process of the power monitoring system involves a variety of engineering equipment and materials. In order to ensure the quality of the project, it is necessary to pay attention to the quality control of the equipment and materials and ensure that they meet the construction standards. Firstly, strict registration should be carried out for the entry of equipment and materialsrecordTo ensure the reliability of quality through acceptance inspection. At the same time, relevant maintenance and management work should be done well during use to ensure the quality of the project. At the same time, professional operators are required during the use of the equipment to reduce quality issues caused by human error. In order to ensure the reasonable allocation of equipment operators, a construction plan can be formulated and task allocation can be carried out. At the same time, pre job training can be provided to operators to ensure that they have sufficient professional skills to achieve the correct operation of equipment and the professionalism of construction technology, reducing the risk of construction delays. In addition, the supervision unit needs to monitor and manage the construction quality, which can be combined with big data technology to conduct inspections on the construction site, quickly and accurately discover problems that exist during construction, and then propose overall rectification opinions for the current problems and track their implementation to ensure the continuous improvement of construction quality. High quality engineering construction can achieve stability and reliability in the operation of the power system, improve the efficiency of the Tiheng Expressway, and create a more comfortable and safe environment for people's travel.

4. Solution for Acrel-2000Z Power Monitoring System of Ankerui

4.1 Overview

For user substations (generally voltage levels of 35kV and below), a comprehensive automation monitoring system is composed of microcomputer protection devices, switch cabinet comprehensive measurement and control devices, electrical contact wireless temperature measurement products, power quality online monitoring devices, distribution room environmental monitoring equipment, arc protection devices, and other equipment to achieve safe operation and surface management of substations, distribution, and electricity consumption. The monitoring scope includes user substations, switch stations, substations, and distribution rooms.

Acrel-2000Z power monitoring system is a layered distributed substation monitoring and management system developed by Ankerui Electric Co., Ltd. for voltage levels of 35kV and below, in accordance with the requirements of power system automation and unmanned operation. This system is an open, networked, modular, and configurable system that applies power automation technology, computer technology, network technology, and information transmission technology to integrate protection, monitoring, control, communication, and other functions. It is suitable for urban and rural power grid substations and user substations with voltage levels of 35kV and below, and can achieve control and management of the substation's * direction, meet the needs of unmanned or few person duty in substations, and provide a solid guarantee for the safe, stable, and economical operation of substations.

4.2 Application Sites

Suitable for the design, construction, and operation maintenance of 35kV and below user end power supply and distribution automation systems in rail transit, industry, construction, schools, commercial complexes, and other industries.

4.3 System Architecture

The Acrel-2000Z power monitoring system adopts a layered and distributed design, which can be divided into three layers: station control management layer, network communication layer, and on-site equipment layer. The networking methods can be standard network structure, fiber optic star network structure, and fiber optic ring network structure. The networking method is comprehensively considered based on the user's electricity consumption scale, distribution of electrical equipment, and land area.

4.4 System Functions

（1）real-time monitoring：Intuitively display the operating status of the distribution network, monitor real-time electrical parameter information of each circuit, and dynamically monitor signals related to faults, alarms, etc. of each distribution circuit.

（2）Electrical parameter inquiry：In the distribution diagram, detailed electrical parameters of the circuit can be directly viewed.

（3）Curve query：You can directly view the curves of various electrical parameters.

（4）Run Report：Query the operating parameters of each circuit or device at a specified time.

（5）Real-time alerts：It has real-time alarm function, and the system can issue alarms for remote signal displacement, protection actions, accident tripping and other events in the distribution circuit.

（6）Historical event query：Store and manage event records to facilitate users' historical tracing, query statistics, and accident analysis of system events and alarms.

（7）Electric Energy Statistical Report：The system has the function of timed meter reading, summary and statistics, and users can freely query the electricity consumption of each distribution node at any time period since the normal operation of the system.

（8）User permission management：User permission management function has been set up, which can define login names, passwords, and operation permissions for users of different levels.

（9）network topology diagram：Support real-time monitoring and diagnosis of the communication status of each device, and be able to fully display the entire system network structure.

（10）Power quality monitoring：Continuous monitoring of power quality and reliability throughout the entire distribution system is possible.

（11）remote control function：Remote control operation can be performed on equipment within the entire distribution system.

（12）fault recording：It can automatically and accurately record the changes in various electrical quantities before and after the system failure.

（13）accident recall：It can automatically record all real-time steady-state information before and after the accident.

（14）Web access：The display page shows overview information such as the number of substations, transformers, monitoring points, equipment communication status, electricity analysis, and event records.

（15）APP access：The device data page displays the electrical parameter data and curves of each device.

5 System hardware configuration

6Closing remarks

In short, the effective application of power monitoring systems can fully utilize information technology to achieve the normal operation of highways, which has important value in ensuring cables and reducing operation and maintenance costs. During the operation of highways, real-time monitoring and control of power equipment can be achieved through the remote communication, monitoring and control functions, data processing functions, and human-computer interaction functions of the power monitoring system, in order to timely detect and solve possible problems,**Ensure the safe operation of highway traffic. Therefore, in the specific construction process, attention should be paid to the construction of the power monitoring system, extending the service life of the equipment, in order to achieve the safe, stable, and long-term development of the expressway.

References

【1】Yu Dong Research on the Importance of Power Monitoring System for Expressway Mechanical and Electrical Engineering [J]. Building Engineering Technology and Design, 2020 (25): 2421

【2】Deng Boxuan, Xu Feng Research on Power Monitoring System for Expressway Mechanical and Electrical Engineering [J]. Engineering Technology Research, 2022,7 (15): 98-100

【3】Zhang Ke Analysis of the Importance of Power Monitoring System for Expressway Mechanical and Electrical Engineering [J]. Urban Construction, 2021 (17): 338-339

【4】Yang Linsong Research on the Importance of Power Monitoring System for Expressway Mechanical and Electrical Engineering [J]. Automation Today, 2022 (12): 107-109

【5】Money flies A Brief Discussion on the Importance of Power Monitoring System for Expressway Mechanical and Electrical Engineering [J]. Building Engineering Technology and Design, 2018 (35): 2293

【6】Liu Leijing Discussion on Standardization of Maintenance of Expressway Mechanical and Electrical Engineering System [J]. Theoretical Research on Urban Construction (Electronic Version), 2016 (15): 5214-5214

【7】Xi Xiupeng Research on the Importance of Power Monitoring System for Expressway Mechanical and Electrical Engineering [J]. Engineering Construction and Design, 2018 (10): 216-217

【8】Shu Riyong Research on the Importance of Power Monitoring System for Expressway Mechanical and Electrical Engineering [J]. China New Communications, 2019,21 (15): 243

【9】Ankerui Enterprise Microgrid Design and Application Manual. July 2024 Edition

Author's Profile

Li Mingjun, male, currently works at Ankerui Electric Co., Ltd. His main research direction is in the field of smart energy management.