Power Line Carrier Communication Technology Research Articles

Design of Single-lamp Monitoring System for Airfield Lighting Based on Broadband Power Line Carrier Communication

Considering the problems of low communication rate and large communication delay of the traditional single-lamp monitoring system for airfield lighting based on narrow-band power line carrier communication technology, a solution of single-lamp monitoring system for airfield lighting based on broadband power carrier communication technology is proposed. Firstly, this paper has made a comparison of advantages and disadvantages between narrow-band power line carrier communication technology and broadband power line carrier communication technology, and briefed the problems faced by traditional single-lamp monitoring system based on narrow-band power line carrier communication. Taking technical characteristics into consideration, broadband power line carrier communication technology is selected for the development of a new single-lamp monitoring system for airfield lighting. Secondly, this paper articulated the design and development process of new airfield lighting single-lamp monitoring system based on broadband power line carrier communication technology, from the formulation of the overall architecture scheme of the system to the realization of local convergent equipment, and focused on the analysis of hardware and software development process of single-lamp monitoring module. Finally, this paper set up a test environment, and verified the performance index by experiments. The test results show that the system meets the design index requirements, can improve the performance of the single-lamp monitoring system for airfield lighting, effectively solves the problems faced by the traditional system, and can further meet the needs of the airport for airfield lighting monitoring and control.

Power Line Communication Challenges in the Energy Internet

Energy Internet is a new hot topic in the research of industry and academia at home and abroad. It is also the development direction of the energy industry, and it is possible to innovate the way of human life. The paper summarized the concept and connotation by surveying the domestic and international development of the Internet of Energy. The information technology architecture of the Internet of Energy is reviewed from the perspective of the integration of energy system and information technology. This article described the characteristics of power line carrier communication, and analyzed the role and status of power line carrier communication technology in the Internet of Energy. The challenges and opportunities that power line carrier communication faces in the Internet of Energy are analyzed. In the end, this paper discussed the future development of Internet of Energy. Through the “Internet +”technology though, it will integrate advanced information technology and energy systems, coordinate multi-energy networks, innovate energy system operation modes, promote industrial upgrading, and generate new economic growth points.

A Matching Optimization Method of Distribution Power Internet of Things Based on Network Looseness

Power line carrier communication (PLC) is one of the important technologies to construct and realize ubiquitous power Internet of Things, while the degree of network matching severely affects the communication quality of the network. Combined with the actual topology of a medium voltage (MV) distribution network, the transmission line theory is used to derive the impedance matching relationship between the two slave nodes in the master-slave network mode. Based on this, a matching optimization method for the carrier communication of MV distribution Internet of Things based on network looseness is proposed. Firstly, a large complex distribution communication network is selected and divided into several small impedance-matching networks according to the network looseness on the trunk lines. Then, in each region, the particle swarm algorithm is applied for matching coordination to avoid power wasting and impedance mismatching among multiple communication nodes. The coordinated matching method has fast optimization speed and strong portability, and its feasibility and effectiveness are verified by theoretical derivation, simulation and laboratory test results, which provides an important theoretical basis for the planning, design and popularization of PLC technology in the ubiquitous power Internet of Things.

Research on Power Consumption Information Acquisition System Based on Broadband Power Line Carrier Technology

At present, the broadband power line carrier communication technology is developing continuously. It has the advantages of improving the real-time, stability and reliability of acquisition, and it can carry out unified comprehensive management of the distribution power communication network, so it has a more extensive application prospect. This paper analyzes and compares the mainstream communication technologies of the current power consumption information acquisition system, discusses the advantages and disadvantages of various communication technologies, and discusses and analyzes the application prospect of broadband power line carrier communication technology.

Research on Improving the Success Rate of Electricity Information Acquisition System by Using Medium Voltage Power Line Carrier Communication Technology

This paper studies the application of medium voltage power line carrier in Electricity Information Acquisition System, discusses the main application scenarios of medium voltage power line carrier, compares three upstream communication modes of medium voltage power line carrier, optical fiber and wireless public network, and summarizes the investment cost, construction and maintenance of medium voltage power line carrier. The field operation proves that the medium voltage carrier communication technology can improve the success rate of Electricity Information Acquisition System.

Research on Smart Grid Power Line Broadband Communication System

With the rapid development of high-speed carrier communication technology, high-speed carrier communication technology has become a new choice for power information acquisition systems. High-speed carrier communication technology achieves excellent application results in the construction of power information acquisition system by virtue of its high communication rate, high real-time communication, support for automatic networking and real-time routing, support for phase identification and station identification. Therefore, the power line carrier communication technology in the smart grid has become more and more important. This paper introduces the key technologies of power line broadband carrier communication in detail, analyzes and studies the design difficulties, and studies the smart grid power line broadband communication system through practical application. It provides powerful technical support for smart grid power line broadband communication.

Transformer Region Customer Information Management System Design

In order to clarify the relationship between concentrator and collector in some Transformer Regions, the transformer region customer information management system was proposed based on a low voltage power line carrier technology. The system consists of the customer information detection terminal and the customer information management software. Detection terminal achieves the detection of relationship between concentrator and collector, within the scope of the common variants, through power line carrier communication technology, and sends the information to the information management server. Customer information management software managed the information ,which came from the terminal, using a database technology and displayed the results sorted, achieving the functions of detection terminal—parameter settings, data management, communication function, management functions for user rights. GPRS mobile public transport networks were used to keep communication between the terminal and information management software.

Design of Intelligent Lighting Control System Based on Power Line Carrier Communication Technology

To implement intelligent lighting, a control system based on power line carrier (PLC) communication was proposed, which has wide application prospects compared with traditional lighting control system for not needing special serial communication line and wireless network. This paper designed a lighting control system with including an upper computer and lower computers, PLC modules, relays and etc. A PC is used as the upper computer which can control lower computers and a friendly interactive interface is designed. The lower computers are designed to control power on or off by relays. By working and testing, the proposed system works stabily and operates conveniently, which can satisfy requests of applications.

The Application of Broadband Power Line Carrier Communication in Electric Energy Data Acquisition Remote Communication

The remote communication is an important part of electric energy data acquisition system. Currently, the electric energy data acquisition remote communication has these disadvantages such as high costs of GPRS rental , poor reliability and it’s hard to meet the demand of real-time fee control and other senior business. To solve these problems, this paper proposes a solution for electric energy data acquisition remote communication channel by using built fiber access network to combine with broadband power line carrier communication technology .This solution have achieved a good result through field pilot application and validated the feasibility of it.

Hardware Design and Implementation of Power Line Carrier Communication for Medium Voltage Based on DSP

A hardware system based on digital signal processor (DSP) is designed for power line carrier communication (PLC) over medium voltage power line networks. This system is designed to realize better stability and reliability of data communication in electric system. This paper introduces PLC technology, and then discusses the composition of this system and gives design scheme. Finally, the DSP implementation is developed with analog front-end (AFE) and coupling circuit. This paper shows a new PLC and automatic management solution.

Decentralized Multi-Agent System-Based Cooperative Frequency Control for Autonomous Microgrids With Communication Constraints

Based on power line carrier communication technology, a decentralized multi-agent system (DMAS)-based frequency control strategy is proposed and investigated in this study on an autonomous microgrid with communication constraints, where each agent can only communicate with its neighboring agents. Using the optimized average consensus algorithm, the global information (i.e., total active power deficiency of the microgrid) can be accurately shared in a decentralized way. Depending on the discovered global information, the cooperative frequency control strategy, which involves primary and secondary frequency control and multi-stage load shedding, is executed to achieve a cooperative frequency recovery. Simulation results indicate that the proposed frequency control approach can guarantee the consensus and coordination of the distributed agents and maintain the frequency stability of islanded microgrids even in emergency conditions.

Switching Power Supply Impact on the Power Line Carrier Communication

This paper introduces the power line carrier communication technology and switching power supply, and expounds the factors that affect the switching power supply for power line communication, analyzes how to solve the problem of switching power supply in power line communication, such as analysis of phase noise electromagnetic interference on the impact of switching power supply, and proposes measures to perfect the switching power supply.

The Design and Realization of Distance Education System Based on the Power Line Carrier

Characterized by extensive coverage, easy connection and huge application potential, power line carrier com- munication has gained increasing attention and become a research hotspot in recent years. This paper started by an intro- duction of the power line carrier communication technology, and then compared it with other networking methods, finally practical power line networking project was proposed. Based on the advantages of power line communication technology, the hardware system was formatted applying four-tier B/S architecture. The computer distance education system was es- tablished using ASP technology in the premise of effective protection of network security. Study shows that the power line communication network is a reliable network education resource, of great significance to promote distance education.

Research on Remote Monitoring and Control System Based on Communication Technology by Power Line Carrier

The communication by power line carrier has been became the mainstream of the communication technology. With the development of science and technology, this technology is no longer limited to communications. Remote control system research based on the technology has been developed into a very hot topic at present. But the remote monitoring system design are not identical, and it caused many remote monitoring system appear to the compatibility problem. The paper firstly established the model of the power line carrier communication technology, and then on the basis of this model, completed remote monitoring system design research. This paper mainly took the current very hot intelligent household as a case study, and then spread the monitoring system according to the practical, and it have a description of the design about remote control system of power line carrier communication technology. The paper makes important theoretical basis for the other USES of remote monitoring system design based on this technology.

PLC-Based Communications Network Design for EV Charging & Swapping Stations

Electric vehicle (EV) charging & swapping station is an indispensable EV energy service infrastructure after the large-scale industrialization of EV. Power line carrier communication (PLC) is a technology that transmits analog or digital signal with high speed through the carrier. By applying robust and reliable power line as the transmission medium of carrier signal, PLC is featured with stable and reliable information transmission, reasonable routing, no re-wiring, wide coverage, convenient connection, and highly reliable channel. This paper briefly describes the characteristics and applications of PLC technology, introduces functions and an overall design plan for the communication network of EV charging and swapping stations. Meanwhile, it provides the hardware realization and protocol establishment of communications network interfaces for PLC-based EV charging and swapping stations as well as a design for information management system.

Research on Signal Transmission Mode of Underground Based on Power Carrier

During the process of oil collection, treating power cable for the supply of electrical submersible pump unit as the medium of the underground signal transmission to the ground, it has broad application prospects and economic value. But there is large distance between down-hole devices and ground equipment, and electrical submersible pump unit condition monitoring system measures many parameters, and there is a converter of harmonic interference, therefore, it restricted the application of the underground power line carrier communication technology severely. Designing an overall plan for signal extraction and transmission system in the paper. Based on the low-frequency power line carrier technology developing a practical communication protocol, to ensure the reliability of communication.

Research of Zero-Cross Modulation Technology

The zero-cross modulation technology is a communication technology for distribution network, different from the traditional distribution network power line carrier communication technology. Its basic principle is to use the TWACS of the power frequency voltage fundamental wave to realize the signal transmission, and the modulation signal frequency is low It can be long-distance communication across the transformer. The data reliability and data through rate are high. It has broad application prospects in real-time communication less demanding situations. This paper first introduces the principle of the zero-cross modulation technology, and then details the generation and the identification of the voltage modulation signal. Practice shows that the transmission success rate of zero-cross modulation signal is up to100%. Meet the actual needs.