■ system overview
The system voltage monitoring information management by the Baoding Yuxin electrical science and technology limited company developed specifically for voltage monitoring, the electricity sector power grid data acquisition, data processing and automatic voltage control system hardware and software composition of management.
The voltage monitoring instrument for the series of products, variety complete, the voltage and the qualified rate of monitoring and recording, harmonic monitoring and recording, to the blackout records, the time period 24 gauge records records. Data collection and communication mode of serial communication, IC card data read, modem remote communication. GSM / GPRS wireless communication, network communication and other alternative.
The software has powerful data management and data conversion function, can automatically generate monthly, quarterly, annual reports, letters and various comprehensive report, geographic information management intuitive. And through the office automation network power supply bureau will voltage monitoring data were released, truly achieve data sharing, network management, satisfy the power system's charge the demand to the greatest extent.
■ DJT series voltage monitor varieties and characteristics
The DJTI - T/G monitor: the need for artificial meter reading, recording.
The DJT2 - T/G monitor: available handheld meter reading, but also through the negative control, integrated automation system for data transmission.
The DJT3 - T/G monitor: using the telephone network, to realize MODEM remote communication, can be one to one meter and a timing group copy.
The DJT4 - T/G monitor: read data in IC card reading mode, can be a card and a card machine.
DJT6 - T/G monitor: can use China Mobile or Chinese Unicom's wireless public network, through the short message mode to realize the control center to measure the data, especially suitable for low pressure monitoring points of unattended substation and power grid environment dispersed, low operation cost.
The DJT7 - T/G monitor: a voltage monitoring and harmonic monitoring function, loss of pressure recording. Record 256 recent power outage calls time, monitoring record of 2 - 25 times harmonic ratio and the total harmonic distortion.
The DJT8 - T/G monitor: data collection by the power company local area network or INTERHET network, especially suitable for the transformation of laying fiber substation, with a stable, fast, real-time monitoring function, and late without running cost,
The DJT9 - T/G monitor: data transmission based on GPRS wireless network, the transmission of large amount of data, real-time online, especially suitable for unattended substation and dispersed pressure monitoring points.
Voltage monitoring information management software features
The full range of compatible products above, data acquisition mode choice.
The software can run on WIN9X, WINXP, WINNT, WIN2000 and other operating system platform.
Supports stand-alone version and network version.
Supports client / server system structure.
According to the need of automatic generation of all kinds of reports, can be a EXCEL spreadsheet, ACCESS database statement form.
◎ with other systems for data exchange and sharing (OLE function).
The data backup and data recovery.
◎ contains geographic information map and the qualification rate of contrast analysis of the graph. Geographic information can directly see the survey of the distribution and location of the lines and substations, the qualification rate of contrast analysis of the graph can be qualified rate and the same period in the history of comparative analysis of the current rate of qualified.
The data can be distributed issued statements that each computer can access the LAN through Webpage form view and management on the report, realize the network management.
Type DJT2 voltage monitor (RS-485/232 communication)
Characteristics of the instrument
The data acquisition of high precision, wide monitoring range
The large storage capacity, data storage for one year
The liquid crystal display Chinese, Chinese menu
The hardware watchdog circuit, automatic recovery system
The monitoring and recording the voltage qualification rate and statistics
The super low, alarm display and output
The remote parameter setting
The remote data acquisition
The RS - 485 and RS - 232
Especially suitable for unattended substation.
Type DJT3 voltage monitor (MODEM communication)
Characteristics of the instrument
The data acquisition of high precision, wide monitoring range
The large storage capacity, storage for one year of statistical data
The liquid crystal display Chinese, Chinese menu
The super low, alarm display and output
The use of mobile communication network, and microwave network
Using MODEM data transmission cable
The remote data acquisition
The remote parameter setting
Especially suitable for unattended substation.
Type DJT4 voltage monitor (IC card data acquisition)
Characteristics of the instrument
The data acquisition of high precision, wide monitoring range
The large storage capacity, data storage for one year
The liquid crystal display Chinese, Chinese menu
The hardware watchdog circuit, automatic recovery system
The monitoring and recording the voltage qualification rate and statistics
The super low, alarm display and output
The IC card data acquisition
Concentration of simple background management
◎ has a card machine and more than one card machine selection
Type DJT6 voltage monitor (GSM wireless short message communication type)
Characteristics of the instrument
The data acquisition of high precision, wide monitoring range
The large storage capacity, storage for one year of statistical data
The liquid crystal display Chinese, Chinese menu
The use of wireless mobile communication network provider
Using transmission of wireless data Short Message
The wireless remote data automatic collection
The wireless remote parameter setting
◎ suitable child unattended substation and decentralized voltage monitoring point
Type DJT7 voltage monitor (voltage / harmonic monitoring type)
Characteristics of the instrument:
The data acquisition of high precision, wide monitoring range
The large storage capacity, data storage for one year
The liquid crystal display Chinese, Chinese menu
The monitoring and recording the voltage qualification rate and statistics
The monitoring and recording 2~25 second harmonic ratio
The monitoring and recording the total harmonic distortion
A record 256 recent power outage calls time
The available data acquisition card /RS-485/RS232
Type DJT8 voltage monitor (TCP/IP network communication type)
Characteristics of the instrument
The data acquisition of high precision, wide monitoring range
The large storage capacity, storage for one year of statistical data
The liquid crystal display Chinese, Chinese menu
Using the advanced hardware clock module
◎ with RJ45 communication interface
◎ can be applied to the local area network or INTERHET network
The automatic remote data acquisition
The remote parameter setting
Especially suitable for the transformation of the laying of fiber substation
Type DJT9 voltage monitor (GPRS wireless communication type)
Characteristics of the instrument
The data acquisition of high precision, wide monitoring range
The large storage capacity, storage for one year related data
The liquid crystal display Chinese, Chinese menu
The use of GPRS wireless network of mobile communication business
The wireless remote data communication, real-time online
The wireless remote parameter setting
A particularly suitable for unattended substation and decentralized voltage monitoring point
"System" voltage monitoring information management software
The software has the following characteristics:
A unified window interface, convenient and quick. The user through a communication program, data communication directly with various voltage monitor, the point to point meter reading, copying or timing group by group, and can realize remote parameter setting, the incoming call prompt to power instrument, data query and other functions.
A set of RS - 485 communication, MODEM communication, IC card data read, GSM / GPRS wireless communication, local area network and INTERNET network communication in one.
The software can be gathered original data, such as pressure, operating voltage, peak and valley, qualified, qualified (rate), super time (rate), super down (rate), automatically generated data and geographic information map corresponding.
The voltage idle work task and relevant management personnel can query the data, and carries on the comprehensive analysis and processing, in order to find the problem in time to strengthen management.
The software not only can make the daily report, monthly report, monthly report, annual report automatic generation of fast running data of each voltage monitoring points, and can also generate global daily report, monthly report and annual report, a great convenience to management.
The users can set up according to each monitoring point, on the situation of the system user and password, the user permissions settings so that non key management personnel cannot overwrite data, has the security function to a certain extent.
The system has the following functions:
The voltage monitoring using distributed in voltage monitor each voltage monitoring points per second, a real-time sampling rate, the voltage monitoring data sampling and recording.
The statistical data base data sampling (such as: the whole point, all day. Whole month, typical data) statistics, and the statistics of each period, the lowest and highest voltage occurs.
The data transmission management through the computer with the system and the corresponding communication network, for remote data transmission for each voltage monitoring, the statistical data of each voltage monitoring points of the concentrated extract.
The backstage management software of data query, will the voltage monitoring point data acquisition and formed a set of complete database, the database can be a full range of data grid query
The report form various voltage data statistics report automatic generation of the software. By the power supply departments at all levels will report is stored as a text file, XLS file, or another file format.
The geographic information with geographic information management function, the system can visually settings and data query and other operations on the monitoring point.
According to the comprehensive analysis of voltage monitoring statistics data. May carry on the comprehensive analysis of the jurisdiction power grid operation area, in order to discover and solve problems.