CN104502753A - Networked on-line real-time analysis system for electric power fault recording device and application of system - Google Patents

Abstract

The application relates to a networked online real-time analysis system of a power failure wave recording device, which includes a main station system, an external network and an internal network connected to the main station system. The main station system includes data server and application server, as well as parallel maintenance workstation and printing terminal. The external network includes an external communication server, which is connected to a network through a GPS network, a network switch and a dispatching data network. After the dispatching data network is connected to a substation, a parallel fault recorder is installed in the substation. The internal network includes an internal communication server, which is connected to a database server, a communication server and a WEB server, and is connected to the dispatching management system DMIS server group as a whole. The application can quickly and accurately obtain fault reports and fault recording data, and accurately analyze and judge fault conditions for relay maintenance personnel, thereby improving the speed of accident analysis and processing, and improving the safe and stable operation of the power system. It can also monitor the operating status of the oscilloscope, reducing the operation and maintenance costs of daily monitoring.

Description

Networked online real-time analysis system and its application of power fault recorder

technical field

This application relates to a networked online real-time analysis system of a power failure wave recording device and its application.

Background technique

At present, there are many manufacturers of fault recording devices, and the data format is not uniform. Most of the data is still obtained by personnel going to the site. This method not only slows the response speed, delays the speed of fault analysis and processing, but also consumes a lot of manpower. costs and transportation costs. The maintenance of fault recording devices still adopts the mode of planned maintenance. There are serious defects in planned maintenance, such as frequent temporary maintenance, insufficient or excessive maintenance, blind maintenance, etc., which makes countries around the world spend a lot of money on equipment maintenance every year. How to reasonably arrange the maintenance of power equipment, save maintenance costs, reduce maintenance costs, and at the same time ensure that the system has high reliability is an important issue for system operators. With the application of microelectronics technology, computer software and hardware technology, and communication networking technology in fault data communication and equipment status monitoring, the remote acquisition of fault recording data and the research on condition-based maintenance based on equipment status monitoring have been developed. an important research topic.

Contents of the invention

The purpose of this application is to propose an online real-time analysis system for power fault recording devices that can monitor the operating status of each plant fault recording device online and obtain fault reports and fault recording data quickly and accurately at the dispatching end; hereby On the basis of the purpose, another purpose of this application is to propose an application method for online real-time analysis of a power failure wave recording device.

The purpose of this application is achieved in this way: the online real-time analysis system of the power fault recorder includes a main station system, and an external network and an internal network connected to the main station system. The master station system includes a data server and an application server, as well as a parallel maintenance workstation and a printing terminal. The external network includes an external communication server, which is connected to the existing dispatching data network of the power system through the GPS network, the network switch, and is connected to the parallel substations after the dispatching data network. Each substation is provided with a number of parallel fault recorders device. The internal network includes an internal communication server, which is followed by a parallel database server, communication server and WEB server, and is connected with the dispatching management system DMIS server group as a whole.

Due to the implementation of the above technical solutions, the establishment of a networked online real-time analysis system for fault recording devices can not only quickly and accurately obtain fault reports and fault recording data at the dispatching end, reduce the workload of relay protection personnel, and provide accurate analysis and judgment for relay protection personnel It plays a very important role in improving the speed of accident analysis and processing and improving the safe and stable operation of the power system by analyzing the protection action behavior and improving technical support for fault conditions. Moreover, it can also monitor the operating status of the fault recording devices of each plant and station online, improve its operation rate and availability, reduce the operation and maintenance costs of daily monitoring of equipment, and provide a technical basis for the realization of the condition maintenance of fault recording devices.

Description of drawings: the specific structure of the application is provided by the following drawings and examples:

Figure 1 is a schematic structural diagram of the online real-time analysis system of the power failure wave recording device;

Figure 2 is a working principle diagram of the online real-time analysis system of the power failure wave recording device.

Specific implementation methods: the present application is not limited by the following examples, and the specific implementation manners can be determined according to the technical solutions of the application and actual conditions.

Embodiment: As shown in FIG. 1 , the online real-time analysis system of the power failure wave recording device includes a main station system, and an external network and an internal network connected to the main station system. The master station system includes a data server and an application server, as well as a parallel maintenance workstation and a printing terminal. The external network includes an external communication server, which is connected to the existing dispatching data network of the power system through the GPS network, the network switch, and is connected to the parallel substations after the dispatching data network. Each substation is provided with a number of parallel fault recorders device. The internal network includes an internal communication server, which is followed by a parallel database server, communication server and WEB server, and is connected with the dispatching management system DMIS server group as a whole. A forward network isolation device is set between the internal communication server and the parallel database server, communication server and WEB server.

The data server and application server and the database server are servers for installing and running database software.

The external communication server is a server used by the main station system to communicate with the fault recorder.

The internal communication server is a server used by the main station system to communicate with the DMIS server group of the dispatch management system.

The WEB server is a server for publishing and browsing external information.

The master station system includes two maintenance workstations, one for maintenance and one for scheduling.

The network switch includes two, one for internal network communication and one for external network communication.

If the 10M/100M data network is used, the router provided by the dispatching data network shall be used. If the 2M power data network is used, a rack-mounted router (protocol converter) capable of accessing the 2M network shall be added.

The printing terminal is a printer for printing fault reports and waveforms. At the same time, various output methods such as flashing, sounding, and text messages can be added.

As shown in Figure 2, the application of the online real-time analysis system of the power fault recording device includes the following steps:

1. The grid data is collected by the wave recorder, and uploaded to the data server of the external network through the dispatching data network for storage;

2. The built-in application program of the data server of the maintenance workstation or the external network monitors the collected data, network data, system resource data and program process data. If an abnormality occurs, an alarm will be issued, and the fault point will be measured at the same time. Finally, the fault type will be , fault distance and other relevant data are summarized and archived; if there is no fault, the collected data, network, system resources and program process will be monitored; at the same time, the start-up and operation of the wave recorder will be monitored.

3. During the monitoring process of step 2, the internal network backs up relevant data to the database server of the internal network at the same time through the control of the master station system, and realizes one-way data transmission through networking with the DMIS server group of the dispatching management system;

4. During the monitoring process of step 2, the graphics and parameters generated by the collected data can be maintained through the maintenance workstation, and remote control can be performed. The reset of the wave recorder, the time synchronization of the remote wave recorder, and the direct remote control of the work of the wave recorder; after modifying the work setting of the wave recorder, compare the collected data with the data stored in the data server, and compare the The changed value is recorded;

5. After step 3, the DMIS server group of the dispatching management system can be connected to the user side, and the user can perform corresponding operations on the data according to different permissions by publishing operations with permission assignments to the WEB server.

6. In the monitoring process of step 2, the user can select the data sent by the fault recording device, filter out unnecessary alarm information, and avoid important information being overwhelmed by a large number of alarm information. Intelligent alarm: alarm type, alarm level, alarm limit, alarm mode, etc. can be customized by users. It supports multiple alarm output methods such as image push, flashing, sound, printing, and SMS. Support users to make alarm display information group sentences according to their own habits. Provide hierarchical and classified management of historical alarm information based on alarm type, alarm object, and alarm time. Through the alarm, the corresponding device object can be quickly located, and the fault handling speed can be improved.

The collected data in step 2 refers to the real-time effective value of the analog quantity, the real-time state of the switch quantity, and the real-time frequency.

The system resource monitoring includes monitoring the CPU utilization rate, memory capacity, memory occupied capacity, disk space, etc. of each server, and giving prompts and warning information.

The process monitoring includes the running status of the application program, process exit alarm, automatic process inspection, and full-process automatic monitoring of the core process, as well as process management and restart of important processes when the time limit expires.

The network monitoring includes starting and exiting the network nodes of the online monitoring system, and giving prompts and alarm information. Real-time online display.

This application uses computer, network and communication technology to fully integrate the acquired fault information together, realize the unified access and centralized management of a large number of fault recorders of different manufacturers, different types and different protocols, and can record wave data Collect and classify the information of fault reports, analyze protection actions in a timely and accurate manner, and improve the comprehensive analysis and processing capabilities of information and faults.

The above technical features constitute the best embodiment of this application, which has strong adaptability and best implementation effect, and non-essential technical features can be added or subtracted according to actual needs to meet the needs of different situations.

Claims (12)

1. An online real-time analysis system of a power failure wave recording device networking, is characterized in that: it comprises a master station system, and an external network and an internal network connected to the master station system, and the master station system includes a data server and an application server concurrently, And parallel maintenance workstations and printing terminals, the external network includes an external communication server, which is connected to the existing dispatching data network of the power system through the GPS network, the network switch, and is connected to the parallel substations after the dispatching data network. Several parallel fault recorders are installed in the station, and the internal network includes an internal communication server, followed by a parallel database server, communication server and WEB server, and is connected to the DMIS server group of the dispatch management system as a whole. 2. The online real-time analysis system of power failure wave recording device networking as claimed in claim 1, characterized in that: a forward network isolation device is arranged between the internal communication server and the parallel database server, communication server and WEB server . 3. The networked online real-time analysis system of power fault wave recording devices according to claim 1, characterized in that: the external communication server is a server used by the main station system to communicate with the fault wave recorder. 4. The networked online real-time analysis system of power failure wave recording devices according to claim 1, characterized in that: the internal communication server is a server used by the master station system to communicate with the DMIS server group of the dispatch management system. 5. The networked online real-time analysis system of power failure wave recording devices according to claim 1, characterized in that: said network switches include two, one for internal network communication and one for external network communication. 6. The networked online real-time analysis system of power failure wave recording devices according to claim 1, characterized in that: the master station system uses a 10M/100M data network. 7. The online real-time analysis system of power failure wave recording device networking as claimed in claim 1, characterized in that: the master station system uses a 2M power data network, and increases the ability to access between the dispatching data network and the external communication server 2M network rack router. 8. An application of an online real-time analysis system of a power failure wave recording device, characterized in that: comprising the following steps: (1) The grid data is collected by the wave recorder and uploaded to the data server of the external network via the dispatching data network for storage; (2) The built-in application program of the data server of the maintenance workstation or the external network monitors the collected data, network data, system resource data and program process data. If an abnormality occurs, an alarm is issued, and the fault point is measured at the same time, and finally the fault is rectified. Type, fault distance and other relevant data are summarized and archived; if there is no fault, the collected data, network, system resources and program process will be monitored; at the same time, the start-up and operation of the wave recorder will be monitored; (3) During the monitoring process of step 2, the internal network backs up relevant data to the database server of the internal network at the same time through the control of the master station system, and realizes one-way data transmission through networking with the DMIS server group of the dispatching management system; (4) During the monitoring process of step 2, the graphics and parameters generated by the collected data can be maintained through the maintenance workstation, and remote control can be performed. Reset of the wave recorder, time synchronization of the remote wave recorder, and direct remote control of the work of the wave recorder; after modifying the work setting of the wave recorder, compare the collected data with the data stored in the data server, Record the changed value; (5) After step 3, the network can be connected to the user side through the DMIS server group of the dispatching management system, and the user can perform corresponding operations on the data according to different permissions by publishing operations with permission assignments to the WEB server; (6) During the monitoring process of step 2, the user can select the data sent by the fault recorder, filter out unnecessary alarm information, and prevent important information from being overwhelmed by a large number of alarm information. 9. The application of the online real-time analysis system of power failure wave recording device as claimed in claim 8, characterized in that: the collected data in step 2 refers to the real-time effective value of the analog quantity, the real-time state of the switching quantity, and the real-time frequency. 10. The application of the networked online real-time analysis system of power failure wave recording devices as claimed in claim 8, wherein said system resource monitoring includes utilization rate, memory capacity, memory occupancy capacity, disk space, etc. of each server CPU Monitor and give tips and warning information. 11. The application of the networked online real-time analysis system of the power failure wave recording device according to claim 8, characterized in that: the process monitoring includes the running status of the application program, process exit alarm, automatic inspection of the process, core process The whole process of automatic monitoring, including process management, and the restart of important processes overtime. 12. The application of the networked online real-time analysis system of the power failure wave recording device according to claim 8, wherein the network monitoring includes starting and exiting the network nodes of the online monitoring system, and giving prompts and warning information.