Abstract : In recent decades, China's modern economy has continued to develop, and computer technology, information technology and other related industries have also made leaps and bounds. With the continuous improvement of intelligent management and energy-saving requirements in commercial, living and public buildings, power monitoring systems have gradually penetrated into people's daily lives and played an irreplaceable role. The optimization of the economic atmosphere has generally increased people's demand for office and living environment reliability, safety, comfort, and efficiency. Intelligent buildings have emerged as the times require, successfully realizing the perfect combination of quality of life and information services, and becoming the construction industry in the 21st century. mainstream. If electricity is the blood of intelligent buildings, then the power management system is the blood circulation system of intelligent buildings. The two complement each other and bring out the best in each other. Intelligent buildings are not only the embodiment of the country's comprehensive national strength and technological level, but also reflect the social development's concern for human nature. Not only has it become another foothold for the economic development of China but also countries around the world.
Keywords : power monitoring; intelligence; monitoring system;
1. Characteristics of intelligent buildings
Intelligent buildings are modern achievements that combine human landscape with ecological nature. It aims to provide people with a safe, reliable, comfortable and natural living environment and an active and healthy lifestyle. It integrates the data communication, voice communication and multimedia communication of the whole building or the whole community to form a communication network with a wide range and rich content. Such a modern communication method can effectively meet the efficient and fast-paced work needs of the modern information society. An electronic monitoring system provides a unified monitoring and management system for high and low voltage power distribution, information exchange, and resource sharing in buildings. Intelligent system platform.
2. Overview of power monitoring system
The power monitoring system uses modern network technology and computer video technology to monitor various data such as power system operating parameters, event records, wave file records, etc. The center has a comprehensive understanding of the operating conditions of the power system, so that it can accurately and quickly determine the location and cause of the fault, simplify the work process, and provide a limited way for the staff to solve the problem in a targeted manner. It is convenient for various analysis and completes various tasks efficiently.
3. Application of power monitoring system in intelligent buildings
Power monitoring systems are widely used in intelligent buildings. Solar energy, solar greenhouse, water ring heat pump air conditioning technology, and ground source heat pump cavity technology are all its manifestations. The secondary equipment in the power distribution room (safety automatic device, traditional measuring instrument, operation control, signal system) is a power monitoring system involving lighting, power distribution, heating, communication, alarm and other aspects, which is widely used in intelligent buildings. Solar energy, solar greenhouse, water ring heat pump air conditioning technology, and ground source heat pump cavity technology are all its manifestations. The secondary equipment (safety automatic device, traditional measuring instrument, operation control, signal system) in the power distribution room is the basis for lighting, power distribution, heating, communication, alarm and other aspects. Related systems communicate with intelligent devices, including: building equipment automation systems, communication network systems, office automation systems, and automatic fire alarm systems, so as to realize mutual communication and information sharing between automation systems. Benefits brought by the electronic monitoring system:
The solar panel in the solar room collects heat extensively, and transmits it into the automatic display system. At the same time, the automatic power generation system transmits the generated electricity to every corner of the home through energy conversion. Renewable resources are effectively used, costs are reduced, failures are reduced, and the benefits of effective resources are maximized; solar greenhouses minimize the disadvantages of plants affected by seasons, and the most efficient photosynthesis maximizes fruit optimization. Systematization, environmental protection, standardization, and high efficiency are the necessary conditions for the development of circular sustainable economy in the future, and become the best choice for promoting economic development in the information age.
4. The role of power monitoring system in intelligent buildings
Due to the development of new system technologies such as network technology, video technology, communication technology, and intelligent power distribution, and the application of power monitoring systems in intelligent buildings, future intelligent buildings are developing in the direction of intensification, systematization, and standardization. Reliable, safe, convenient and simple way of life enables people to enjoy a higher degree of green life.
The value generated by the power monitoring system in intelligent buildings:
According to the survey data, various related enterprises and institutions and electronic monitoring systems in public places spend a huge amount of money on maintenance and configuration every year. Moreover, there is a lot of power loss, which not only causes a waste of resources but also affects the normal life of residents. Here are two examples:
Case 1: Recently, a very serious transient fault occurred inside an important device of a well-known computer manufacturing company, but it returned to normal soon. If there is no monitoring system, this fault cannot be detected at all. This is a terrible potential threat. Since the installed electronic monitoring system discovered this fault in time and captured and recorded the transient fault waveform, this information saved DELL 25,000 yuan in equipment maintenance costs.
Case 2: In February 2013, in a thermal power plant’s 220kV substation, the lead clip from No. 1 bus to Jingzao was broken, and when the lead fell, it touched No. 2 bus, causing voltage loss in the whole station, Jingzao line was blacked out, and the only remaining wire was broken once. The line tripped, causing the Zaoshan Substation of Hubei Jingmen Power Supply Company and five 110kV substations to stop completely. The accident caused a load loss of 90,000 kW, accounting for 10.8% of the total load in Jingmen City, and affected 63,000 users, accounting for 6.7% of the city's users. caused huge losses.
In order to solve this problem, the application of intelligent buildings makes intelligent buildings develop in the direction of intensification, systematization and standardization. The application of the electronic monitoring system reduces the waste of equipment operation and power consumption; rationally and effectively utilizes the greatest advantages of the equipment, reduces unnecessary additions, avoids waste of resources, and saves a lot of money; discovers potential faults in time and reduces The maintenance cost of equipment not only prolongs the service life of equipment, but also realizes the maximum utilization of resources; improves the efficiency of operation and management, reduces the workload of operation and maintenance personnel, and also improves the stability and reliability of power, shortening the Power outage time, reduce fires, avoid accidents, and ensure the safety of people's lives and property. Users can also enjoy a more intelligent, green and environmentally friendly life.
5. Energy saving and prospect optimization analysis of intelligent buildings
Intelligent buildings have become the mainstream in the construction industry in the 21st century. With the development of the economy and the theoretical requirements of sustainable development, the energy saving of intelligent buildings must follow the efficient economic model of low energy consumption, low input and high output, so that the circular economy does not exist only in the control An innovative energy-saving company with the latest technology is more reflected in every corner of life. The main feature of intelligent buildings is resource efficiency. While constructing a more comfortable building that meets modern requirements, the owner takes green energy conservation as the starting point and goal, so as to save high expenses. The sustainable building design with the lowest energy consumption and operation cost generally includes the following technical measures: ①Energy saving. ②Reduce the development of limited resources and increase the development of renewable resources and new energy. ③Humanism of indoor environment and quality. ④ Minimize the impact of the site and environment on the implementation and development of the building. ⑤ New propositions of art and space. ⑥ Intelligent. Realize the maximum utilization and recycling of resources.
In the future, intelligent buildings will pay more attention to the development of human nature and the maximization of environmental benefits. Creating a healthy, comfortable, green, environmentally friendly, simple and convenient living environment and modern quality of life is the common wish of more and more people, and it is also the basis and goal of building energy conservation. The future development of intelligent buildings must do the following:
①Warm in winter and cool in summer, providing people with a comfortable living environment.
②The ventilation is good, and the breathing is fresh and unobstructed.
③Sufficient light, try to use natural light, natural lighting, combined with artificial lighting.
④Intelligent artificial control. Ventilation, lighting, heating, home appliances, etc. can all be controlled by computers, which can be managed according to predetermined procedures or locally controlled. To meet the different needs of people in different occasions, while recycling resources and reducing waste.
6. Optimizing the application prospect of electronic monitoring system in the future
As a unique invention of the information age, the electronic monitoring system plays an irreplaceable role in people's production and life. In recent years, economic development has also brought about a series of social problems: serious land loss, increased environmental pollution, increased violent crimes, disordered social regulation system, and weakened natural self-purification and self-rescue capabilities. Therefore, the power monitoring system will develop from simple monitoring and display to a more automated and intelligent direction. It will realize massive information storage, quickly and directly complete data collection, analysis and processing, and make effective instruction prompts. So that the problem solving becomes more rapid and accurate. Save more manpower and money, and realize the conservation and efficient use of natural and social resources. At the same time, more new features will be extended:
(1) Advancement: Make full use of the latest modern and future technologies to develop the most reliable scientific and technological achievements.
(2) Reliability: become a more mature technical product. Compatible with social development.
(3) Practicality and convenience: to meet the market demand and actual use needs to the greatest extent for convenience, safety and durability.
(4) Scalability and economy: Compatibility is enhanced, design is continuously optimized, and performance is improved.
(5) Standardization and structure: Due to the fact that market information itself does not depend on human subjective will, the electronic monitoring system should be more structured, standardized and serialized.
7. Product introduction and selection of Ankerui power monitoring system
7.1 Overview
Acrel-2000Z power monitoring system is a layered distributed substation monitoring and management system developed by Acrel Electric Co., Ltd. for the voltage level of 35kV and below according to the requirements of power system automation and unattended operation. The system is an open, networked, unitized, and configurable system that integrates protection, monitoring, control, and communication, using power automation technology, computer technology, and information transmission technology. It is suitable for voltages of 35kV and below The substations of urban power grid, rural power grid and user substations at the same level can realize the control and management of the substation position, meet the needs of no one or few people on duty in the substation, and provide a solid guarantee for the safe, stable and economical operation of the substation.
7.2 Application places
(1) Office buildings (commercial offices, office buildings of state agencies, etc.)
(2) Commercial buildings (shopping malls, financial institution buildings, etc.)
(3) Tourist buildings (hotels, entertainment venues, etc.)
(4) Science, education, culture and health buildings (culture, education, scientific research, medical and health, sports buildings)
(5) Communication buildings (posts and telecommunications, communications, radio, television, data centers, etc.)
(6) Transportation buildings (airports, stations, wharf buildings, etc.)
(7) Construction of factories and mines (petroleum, chemical industry, cement, coal, steel, etc.)
(8) New energy buildings (photovoltaic power generation, wind power generation, etc.)
7.3 System structure
Acrel-2000Z power monitoring system adopts hierarchical distributed design, which can be divided into three layers: station control management layer, network communication layer and field device layer. The networking mode can be standard network structure, optical fiber star network structure, optical fiber ring According to the network structure, the network mode is considered comprehensively according to the user's power consumption scale, the distribution of power equipment, and the area occupied by the user.
7.4 Equipment selection
8. Conclusion
The electronic monitoring system is a product of the information age, which reflects the unremitting pursuit and good hope of human beings for quality of life and simplified work procedures in the era of high-efficiency economy. Its wide application in intelligent buildings has promoted the intellectualization and simplification of people's lives, and it reflects the concern for people in the development of social science and technology economy; the embodiment in life makes people realize its safety, reliability and efficiency. features. It can be said that the electronic monitoring system benefits every aspect of life. Reliance on electronic systems is increasing day by day.