Case and case panel of direct current transmission valve control system
Technical Field
The application relates to the technical field of direct-current transmission equipment, in particular to a case and a case panel of a direct-current transmission valve control system.
Background
In the operation of a power grid system, the reliable operation of a power station system depends on the stability of a control system, if the control system fails, the electronic equipment in operation can be damaged greatly, the operation of the power grid can be influenced, and the power utilization of a corresponding power supply area is influenced.
In a flexible direct-current transmission project, the requirement on the stability of a converter valve control system is very high, so that the design of a valve control cabinet is particularly important in the whole valve control system architecture. In the operation process of the valve control system, some abnormal conditions, such as voltage fluctuation, switch stealing and the like, can be generated, and the abnormal conditions can directly influence the stability of the valve control system, so that the operation reliability of the valve control system is reduced.
SUMMERY OF THE UTILITY MODEL
The application provides a case and a case panel of a direct current transmission valve control system, which are used for improving the operational reliability of the existing valve control system.
In view of this, the first aspect of the present application provides a chassis of a dc power transmission valve control system, including: the device comprises a first power panel, a first wave recording panel, a first main control panel, a first expansion interface board and a case body;
the first power panel is provided with a two-way power supply;
the first power panel, the second power panel, the first wave recording panel, the first main control panel and the first expansion interface board are all arranged in the case body;
the first power panel is used for providing power for the direct-current transmission valve control system in the case body;
the first wave recording board and the first expansion interface board are both electrically connected with the first main control board.
Preferably, the method further comprises the following steps: the second power panel, the second wave recording panel, the second main control panel and the second expansion interface board;
the second power panel, the second wave recording panel, the second main control panel and the second expansion interface board are all arranged in the case body;
the second power panel is the same as the first power panel, the second wave recording panel is the same as the first wave recording panel, the second main control panel is the same as the first main control panel, and the second expansion interface board is the same as the first expansion interface board;
the first power panel, the first wave recording panel, the first main control panel and the first expansion interface board form a first control system;
the second power panel, the second wave recording panel, the second main control panel and the second expansion interface board form a second control system.
Preferably, the first power supply board is provided with an LC fiber interface;
the first power panel is connected with the first main control panel through the LC optical fiber interface.
Preferably, the first recording board is provided with a storage device.
A second aspect of the present application provides a chassis panel of a dc transmission valve control system, where the chassis panel is installed on a chassis of any one of the dc transmission valve control systems described in the first aspect;
the chassis panel is provided with a first power panel interface, a first recording panel interface, a first main control panel interface and a first expansion interface board interface.
Preferably, the chassis panel is further provided with: the second power panel interface, the second recording board interface, the second main control board interface and the second expansion interface board interface.
According to the technical scheme, the method has the following advantages:
the utility model provides a quick-witted case of direct current transmission valve accuse system includes: the device comprises a first power panel, a first wave recording panel, a first main control panel, a first expansion interface board and a case body; the first power panel is provided with a two-way power supply; the first power panel, the second power panel, the first wave recording panel, the first main control panel and the first expansion interface board are all arranged in the case body; the first power panel is used for providing power for the direct-current transmission valve control system in the case body; the first wave recording board and the first expansion interface board are electrically connected with the first main control board. The case provided in the application is provided with a first power supply board, a first wave recording board, a first main control board and a first expansion interface board in an integrated mode, wherein the first power supply board is powered by dual power redundancy, when one power supply fails, the other power supply supplies power to the system, the wave recording board automatically and accurately records the change conditions of various electrical quantities before and after the system fails, the change conditions are reported to a monitoring background in real time through the first main control board for data analysis and processing, the first expansion interface board is externally provided with various communication interfaces, and the safe and reliable operation of the system can be guaranteed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural block diagram of an embodiment of a chassis of a dc power transmission valve control system provided in the present application;
fig. 2 is a schematic structural diagram of an embodiment of a chassis panel of a dc power transmission valve control system provided in the present application.
Detailed Description
The embodiment of the application provides a case and a case panel of a direct current transmission valve control system, and the case panel are used for improving the operational reliability of the existing valve control system.
Referring to fig. 1, the present application provides an embodiment of a chassis of a dc transmission valve control system, where the chassis of the dc transmission valve control system provided in the embodiment of the present application includes: the device comprises a first power panel, a first wave recording panel, a first main control panel, a first expansion interface board and a case body;
the first power panel is provided with a two-way power supply;
the first power panel, the second power panel, the first wave recording panel, the first main control panel and the first expansion interface board are all arranged in the case body;
the first power panel is used for providing power for the direct-current transmission valve control system in the case body;
the first wave recording board and the first expansion interface board are electrically connected with the first main control board.
It should be noted that, in this embodiment of the present application, a first power board, a first wave recording board, a first main control board, and a first expansion interface board are integrated in a chassis box of a dc transmission valve control system, and a connection relationship between the first power board, the first wave recording board, the first main control board, and the first expansion interface board is shown in a structural block diagram provided in fig. 1; the first wave recording board can rapidly record most information when the system is in fault in real time, power supply ripple information and the like are transmitted to the monitoring background through the first main control board for data analysis and processing, and an RJ45 network port can be arranged on the first main control board and is communicated with the monitoring background through an RJ45 network port; the first main control board completes functions of loop current inhibition, communication with a monitoring background, self-checking of a valve control system, voltage-sharing control of a bridge arm and the like; the first expansion interface board mainly completes the communication connection with the control protection system and the measurement system, the GPS time-tick signal interface and other functions, and transmits the measurement signals of other devices and the GPS time-tick signals to the first main control board to participate in the overall control.
As an improvement, the chassis of the dc transmission valve control system provided in the embodiment of the present application further includes: the second power panel, the second wave recording panel, the second main control panel and the second expansion interface board;
the second power supply board, the second wave recording board, the second main control board and the second expansion interface board are all arranged in the case body;
the second power supply board is the same as the first power supply board, the second wave recording board is the same as the first wave recording board, the second main control board is the same as the first main control board, and the second expansion interface board is the same as the first expansion interface board;
the first power panel, the first wave recording panel, the first main control panel and the first expansion interface board form a first control system;
the second power panel, the second wave recording panel, the second main control panel and the second expansion interface board form a second control system.
It should be noted that two sets of control systems can be integrated in the chassis box, the first power board, the first recording board, the first main control board and the first expansion interface board constitute a first control system, the second power board, the second recording board, the second main control board and the second expansion interface board constitute a second control system, the two sets of systems are consistent in arrangement and can be used alternatively, each set of control system is provided with a recording board, and a recording trigger condition can be selected to ensure that various states of system operation at that time can be obtained from the device at the moment when various faults occur in the system and used as data for analyzing and processing the problems.
As an improvement, the first power panel is provided with an LC optical fiber interface;
the first power panel is connected with the first main control panel through an LC optical fiber interface.
As a refinement, the first recording board is provided with a storage device.
The case of the direct current transmission valve air system provided in the application is provided with a first power supply board, a first wave recording board, a first main control board and a first expansion interface board in an integrated mode, wherein the first power supply board adopts dual power redundancy power supply, when one path of power supply fails, the other path of power supply supplies power to the system, the wave recording board automatically and accurately records the change conditions of various electrical quantities before and after the system failure, the change conditions are reported to a monitoring background in real time through the first main control board for data analysis and processing, the first expansion interface board is externally provided with various communication interfaces, and the safe and reliable operation of the system can be guaranteed.
To facilitate understanding, please refer to fig. 2, fig. 2 is a schematic structural diagram of a chassis panel of a dc transmission valve control system provided in an embodiment of the present application, where the chassis panel is configured to be installed on a chassis of the dc transmission valve control system in the foregoing embodiment, and the chassis panel is provided with a first power board interface, a first recording board interface, a first main control board interface, and a first expansion interface board interface, which correspond to the first power board, the first recording board, the first main control board, and the first expansion interface board in the foregoing embodiment, respectively.
As an improvement, the chassis panel is further provided with: the second power panel interface, the second recording board interface, the second main control board interface and the second expansion interface board interface. The second power board interface, the second recording board interface, the second main control board interface and the second expansion interface board interface correspond to the second power board, the second recording board, the second main control board and the second expansion interface board in the foregoing embodiments, respectively.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.