Power quality monitoring仪的System composition:

1On site monitoring layer.Install various types of electrical energy and power quality monitoring equipment on site, and require communication functions.

2Communication transmission layer.In order to transmit the data collected by monitoring layer devices to the server, the devices responsible for data communication transmission mainly include communication management machines, serial servers, network switches, etc. The data collection terminal communicates with the monitoring layer device through a serial port, reads the data, conducts preliminary analysis and organization, and saves the data locallySDIn the card, the data is then transmitted to the wireless communication module. The wireless communication module adopts radio frequency technology to form a wireless local area network on site, collecting data organized by various data collection terminals and transmitting it to the backend server. Data can also be transmitted through network cables or optical fibers.

3Data management layer.The process of storing, parsing, and applying collected data, including server setup and various software applications.

4System functions.The standard monitoring system hasCADDisplay the wiring situation of the medium and low voltage distribution network in a single line diagram; The massive system has the function of multi screen switching and screen navigation; The decentralized distribution system has a spatial and geographical plane of the system's main screen. The main screen can directly display the operating status of each circuit, and has the function of coloring the circuit with power, non power, and faults. The main electrical parameters are directly displayed on the human-computer interaction interface and refreshed in real-time.

5User management.Different levels of users can be granted different permissions to ensure the reliability of the system during operation. For example, the closure of an important circuit/The opening operation requires an operator level user to input the operation password, and an engineer level user to input a confirmation password before completing the operation.

6Data collection and processing.Through the power monitoring system, various electrical parameters and switching status of on-site equipment can be collected in real-time and timed, including three-phase voltage, current, power, power factor, frequency, harmonics, imbalance, and currentKThe collected data, such as coefficients, telephone waveform factors, voltage peak coefficients, electrical energy, temperature, switch positions, and equipment operation status, will be displayed directly or generated through statistical calculations to generate new intuitive data information, and important information will be stored in a database.

7Trend curve analysis.Power system power quality monitoring instrumentTwo curve analysis interfaces, real-time curve and historical trend, are provided to analyze the current load operation status of the relevant circuit by calling the real-time curve interface of the circuit. By calling the real-time curve of a certain distribution circuit, the signal fluctuation caused by the electrical equipment of the circuit can be analyzed. The historical trend of the system refers to the system, and all stored data can be viewed to facilitate quality analysis of the monitored distribution network by engineering personnel.

8Report management.The system has a standard electricity report format and can design report formats that meet user needs according to their needs. The system can automatically design. It can automatically generate various types of real-time operation reports, historical reports, event fault and alarm record reports, operation record reports, etc. It can query and print all data values recorded by the system, automatically generate daily, monthly, quarterly, and annual reports of electricity, and generate electricity rate reports based on the time period of compound rate and the set value of rate. The starting point, interval, and other parameters for querying and printing can be set by oneself;Power system power quality monitoring instrumentThe system design can also customize report output functions to meet different requirements according to user needs.