The intelligent power distribution system is a set of high-precision, high-automatic, easy-to-use, high-performance, high-reliability, and is suitable for low-voltage power distribution systems, which is developed according to the requirements of users and follows the standard specifications of power distribution systems. Power management system. The English name is smart power DistribuTIon, so it is also called SPD intelligent power distribution system. Through telemetry and remote control, the load can be properly adjusted to achieve optimal operation, save energy, and have peak and low-level electricity records, thus providing the necessary conditions for energy management. At the same time, the electric energy is classified and analyzed according to the power consumption of the outlet, the power consumption, the electricity consumption of the air conditioner, and the special electricity.
Intelligent power distribution system application technology
SPD intelligent power distribution system integrates object-oriented technology, component technology, network technology, Internet technology, database technology, visualization technology, middleware technology, intelligent electrical technology, anti-interference technology, reliability technology and cross-platform technology. The system has self-diagnosis and self-recovery functions to ensure the safe operation of the system. The system functions can be easily extended according to user requirements to meet the user's requirements for system flexibility and scalability.
With the rapid development of the economy, energy shortages and environmental degradation have been closely watched by the world. Energy is an important foundation for the development of the national economy. In order to respond to the call of the country and take the road of sustainable development, energy conservation and consumption reduction are the primary tasks. Among them, the consumption of electric energy in all energy sources is relatively large, and the unified management of electric energy is particularly important. Only accurate and reliable measurement of electrical energy can save energy in a true sense.
According to the relevant requirements of the state for energy measurement, the system measures the power consumption in a sub-item, including:
(1) Electricity for lighting sockets: electricity for indoor equipment such as lighting and sockets in the main functional areas of buildings. It mainly includes electricity for lighting and sockets, electricity for corridors and emergency lighting, and electricity for outdoor landscape lighting.
(2) Air conditioning electricity: mainly includes electricity for heating and cooling stations, and electricity for air conditioning ends.
(3) Power consumption: mainly includes electricity for elevators, electricity for pumps, and electricity for fans.
(4) Special electricity: mainly includes information center, laundry room, kitchen restaurant, swimming pool, gym or other special electricity.
Intelligent power distribution system function
Front-end human-computer interaction interface
Design an interactive interface suitable for customer requirements; standard primitive library for easy call combination; real-time data acquisition and display; automatic logic calculation and processing of data information; remote parameter setting of device parameters; combined status display and forced operation.
Information processing
Use the collected information and specific methods for calculation; statistical total power, maximum demand, number of switches; acquisition power factor, set upper and lower limits; record load status analysis power quality; temperature and humidity information collection and processing display (this function must be equipped with temperature Humidity controller). n Alarm/abnormal/event storage phase-off alarm real-time display; communication abnormal record storage; closing and opening operation records; real-time display of current day alarm events; history event query and printing.
Curve and report management settings
The trend curve of the electric parameters required by the customer; the historical trend of the forward/reverse presence/reactive power; the design of various reports that meet the customer's needs; the daily, monthly and annual reports that automatically generate the energy measurement; can be based on the commonly used MS Excel Set up templates and generate reports to make it easy for users to use; query reports, display and print at any time.
Backstage database management
Application of a wide range of database software such as Access, MSSQL; establish an open, networked database; store a specified number of years or all data information; dynamic link library implemented by the software system; real-time data information update is safe and reliable; support C / S, B / S Ways to achieve data remote transmission.
Multi-level user management
The password is logged in to the background to ensure the security of the settings; the high privilege is for low privilege management, the grading operation, and each privilege has the function of changing the password.
Communication management settings
Each serial port is self-configured and easy to operate; the communication protocol of different devices is selected; the communication baud rate is selected autonomously; the system automatically performs unified remote configuration of each device connected to a port of the front-end machine according to the selection result.
Internet function
The dual-system hot backup function supports redundancy of dual-machine, dual-network, and dual-device, and adopts the form of hot backup to ensure stable and reliable operation of the system, and the configuration is simple and convenient. Any machine on the network can be designated as an I/O server (ie, a front-end machine), and other machines on the network can easily obtain data from the machine.
Other functions and features
The main wiring diagram, the trend graph display, and the real-time data display can all be screen copy.
Real-time display of real-time power, switch status, signal status and motion accumulation data of the power station.
Real-time display of current working status of each module, communication, printer, etc., error automatic alarm.
Graphical conditions such as main wiring diagram, power flow diagram, and geographic map are normally displayed. The data on it is automatically refreshed, which is larger than the entire screen and can be roamed.
Normally display the main transformer temperature, equipment voltage, current, load bar graph and store relevant historical data at regular intervals. According to the operating conditions and the site conditions, various characteristics of each measured power can be modified online. Optimize and expand the system.
The protection setting value of each protection device can be dynamically displayed and modified, and the protection functions in the protection device can be retired online for the modification and function operation of various types of detection power. The system is equipped with multiple authorization passwords, and the whole system operation control is convenient and reliable.
Support various databases through the ODBC interface, such as ORACAL, SYBASE, SQLSERVER, ACCESS, and so on.
WEB publishing function, all the pictures produced can be published on the Internet in HTML format. The remote calculation can use the Internet Explorer to log in to the WEB server to browse the system real-time data through INTERNET.
The processing of the fault recording wave can record the fault recording data and display the waveform in the form of a curve for analysis.
Accident recall, can list the order of the displacement of each switch and the data value of the relevant telemetry in the form of a table.
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