Application of Power Monitoring System in China Construction Bank Co., Ltd. Jilin Branch

Application of Power Monitoring System in China Construction Bank Co., Ltd. Jilin Branch

Distribution automation is an integrated information management system integrating computer technology, data transmission technology, control technology, modern equipment and management. Its purpose is to improve the reliability of power supply, improve the quality of power, provide users with quality services, reduce operating costs, and reduce the labor intensity of operating personnel.
With the continuous development of the electric power network, the continuous increase in the use of electricity loads, various new types of loads have emerged, and users are paying more attention to the issue of power quality. At the same time, more stringent requirements have been put on power quality. Users need more effective power monitoring and management solutions to meet the challenges brought about by these changes, in order to achieve a continuous, reliable, efficient and low-cost operation of the power distribution system. This article describes the application of the power monitoring system in the banking sector through the construction of a power monitoring system for China Construction Bank Co., Ltd. Jilin Branch.
1 Project Overview and Construction Objectives
The China Construction Bank Jilin Branch was established on September 21, 2004 and was established on October 1, 1954 in the Jilin Provincial Branch of China Construction Bank. All staff of CCB Jilin Branch really fight hard, strive to be the first to actively explore the market, adjust the structure, vigorously promote institutional reforms, optimize the operation and management mechanism, and constantly innovate the financial business, strengthen risk management, in the fierce market competition, operating efficiency and value The level of innovation has reached new heights. In the whole year of 2010, the profit before assessment was 2.26 billion yuan, and the economic added value was 1.063 billion yuan. In 2010, the development of the Bank’s main business took a new step, with a total deposit balance of RMB 13.375 billion and a loan balance of RMB 79.877 billion. The balance of corporate deposits and new deposits for the first time leapt to the fourth line of the industry. 1. Intermediate business achieved extraordinary leapfrog development. The annual net income of intermediary business was RMB 900 million. Intermediate business income for the first time leapt to the top position in the industry. The company's stock of non-performing loan items and non-credit NPL projects were all cleared. The loan rate was 0.28%, a decrease of 0.21 percentage points from the beginning of the year.
CCB Jilin Branch follows the business philosophy of “customer-oriented” modern commercial bank, and focuses on the goal of maximizing bank value, continuously innovating financial products and improving service functions. The types of financial products and services ranged from traditional deposits, loans, and settlement development to more than ten categories and hundreds of varieties such as banks, e-banking, and agency services. In the real estate finance, commissioned agency, project cost consulting, project financing and trade financing, investment consulting and financial advisory and other business areas have always maintained a dominant position. In the province, it first introduced a number of personal service brands such as personal housing loans, personal housing renovation loans, personal auto consumption loans, personal consumption quota loans, and “Befriends” personal financial services, which have won wide recognition and praise from customers. The marketing language such as "Used Dragon Card" and "Housing to Construction Bank" is deeply rooted in the customer's mind.
CCB Jilin Branch actively advocates science and technology and always stays at the forefront of technological development in the financial sector. The personal electronic remittance "Shuhuitong" realized the instant remittance of personal remittance; "Important customer service system" provides customized services tailored to group companies, multinational companies, financial interbanks, government departments and other customers; online banking, mobile banking And telephone banking network, breakthrough time and geographical restrictions, to provide customers with safe, fast and personalized service.
"China Construction Bank, Building Modern Life" is the sincere promise of China Construction Bank to serve the country, serve the society, and serve customers. CCB Jilin Branch takes “supporting the development of enterprises and serving the public life” as its mission and firmly establishes the “customer-centric, market-oriented” business philosophy and wholeheartedly provides its customers with comprehensive financial services and branches in Jilin Province. Cheng Cheng provides services to target customers and becomes a bank with good regional asset quality and good efficiency.
2 Design of power monitoring system
In the design of the monitoring system, we must fully consider the actual needs of customers, as well as the actual structure of the power system, the actual load capacity of the power system, and other factors, and then choose a reasonable monitoring equipment, which is not only conducive to reducing the cost of system operation, but also It is conducive to the realization of system functions.
The power monitoring system of this project can realize real-time monitoring of the high- and low-voltage distribution circuits in the line and is conducive to power management. On the other hand, the power monitoring system can not only accurately show the power status of the loop, it also has network communication and other functions, and can be combined with computers, serial servers and other devices to display the operating status of each distribution circuit in a row. When the load of the in-row power system exceeds the standard, the power monitoring system can quickly alarm and issue a voice prompt. In addition, the power monitoring system can also generate statistical information such as reports and graphs, which facilitates the analysis of power consumption in various parts of the bank and makes the power activities in the bank safer. The monitoring software can be used to split floor loads separately or in batches. The use of electricity within the bank is more flexible, so as to ensure the safety of personnel in the bank and improve the work efficiency of the staff.
2.1 System Structure
According to the distribution of the distribution of the bank, the online monitoring system construction adopts a hierarchical distributed structure. The system includes: station management layer, network communication layer, and field device layer. The network structure of the system is shown in the figure:

The direct window of human-computer interaction between the management and management personnel of the management team and the computer calculates, analyzes, and processes various types of data collected on the site, and reflects the operation status of the site by means of graphics, digital display, sound, etc., which is the most systematic The upper part. Mainly by the system software and necessary hardware equipment, such as industrial-grade computers, printers, UPS power supply and other components.
The device used by the communication layer is the N2S16-485I-ETS serial server. This layer is a bridge for data information exchange. It is responsible for the collection, classification, and transmission of data information sent back from field devices, and at the same time conveys various control commands from the upper computer to the field devices.
The field device layer is mainly connected to various types of instruments used for the collection and measurement of electrical parameters in the network, and it is also a necessary basic element for constructing the power distribution system. Field configuration of Ankerui's microcomputer protection and energy meter to realize high- and low-voltage loop three-phase current, three-phase voltage, frequency, power, four-quadrant electrical energy and other electrical parameters monitoring, protection action information; and each circuit breaker circuit The gate status is monitored.
2.2 Network Design
The network system in the power monitoring system can transmit data in time and quickly transfer operation instructions, which is the basis for realizing various functions of the power monitoring system. Connect each device on the spot with the bus in the scene, and then connect all buses to the communication gateway to realize the transfer with the host.
2.3 monitoring system software function design
The system is designed according to the customer's actual needs and realizes a main wiring diagram interface display; electric parameter telemetering and electric parameter crossing limit alarm; event recording; system operation abnormality monitoring; fault alarm and operation record; report query and printing; system load real-time , history curve, user rights management and other main functions.
2.3.1 Data Acquisition and Processing
Data acquisition mainly includes analog and digital acquisition. The acquisition of analog quantity mainly collects the information of line voltage, current, power, power factor, frequency, etc. The collection of switch quantity is mainly the work pattern and protection action information of the circuit breaker, isolation switch, grounding switch, etc. The alarm information such as power-off protection and operation failures is collected to realize local real-time display of remote data. Data processing is mainly to display the electrical parameters collected according to requirements in real time and accurately to the user, so as to meet the requirements of automation and intelligence of the power distribution monitoring. At the same time, the collected data is stored in the database for user query.

2.3.2 Data Record
The data recording function of the power monitoring system is mainly to record the sequence of the circuit-breaker-disconnected state and the protection operation. It requires that there must be enough memory space in the system, and then a long time and a large amount of data information is recorded and stored. Secondly, the data recording function of the power monitoring system also includes the recording of fault information, that is, recording and storing data such as real-time current and real-time voltage when the fault occurs. It can be seen that the data recording function can accurately reflect the problems existing in the system through the recording of the working status of the protection device and the recording of the fault information, thereby facilitating the solution of the staff.
2.3.3 Power Management
In order to realize the supervision of the power consumption of each circuit in the Bank, the system has designed a power management report. The system automatically generates daily, monthly and annual reports and prints the report according to the different names of the circuits. It can also inquire about the electricity consumption in a certain time period of a certain loop, which can help the property to establish an effective energy management assessment system. Through the system about energy consumption.

3 Significance of Application of Power Monitoring System in Power Supply and Distribution Design
In summary, the power monitoring system helps power units to improve efficiency, reduce losses, and reduce operating costs. The power monitoring system can effectively ensure the efficiency of power grid management and reduce the operating costs of power. It also becomes an important component in the design of power supply and distribution. section. The power monitoring system's functions such as communication, fault alarm, and data storage record make it more convenient for the staff in actual work. Through the man-machine interface, the operating status of the power system can be directly known and the operating instructions can be rapidly transmitted. The transmission of data by devices is achieved through network transmission. Therefore, different power monitoring systems can be designed with different networking methods to ensure that data information can be transmitted quickly and accurately. On the other hand, in the power supply and distribution design using the power monitoring system, monitoring equipment should be selected based on the actual situation. General power monitoring systems usually use devices with long-distance communications, remote observation, and remote control, while some high-end power monitoring systems require smart devices with more complete functions.
The establishment of electric power monitoring systems in bank buildings and other places can realize real-time monitoring of low-voltage distribution circuits in the bank, which is conducive to power management. On the other hand, the power monitoring system can not only accurately show the power status of the loop, it also has network communication and other functions, and can be combined with computers, serial servers and other devices to display the operating status of each distribution circuit in a row. When the load of the in-row power system exceeds the standard, the power monitoring system can quickly alarm and issue a voice prompt. In addition, the power monitoring system can also generate statistical information such as reports and graphs, which facilitates the analysis of power consumption in all parts of the industry and makes the power activities in the bank safer, thereby ensuring the safety of personnel in the bank and improving the work of the staff. effectiveness.
references
[1] "Principles and Application Guide for Power Electronic Measurement Digital Meters", Ren Chengcheng, Zhou Zhong, China Electric Power Press
[2] "Application of Power Monitoring System in Power Supply and Distribution Design", Gao Shihong, Science and Technology

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