CN114389355A - Centralized GOOSE interlocking device - Google Patents
Centralized GOOSE interlocking device Download PDFInfo
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- CN114389355A CN114389355A CN202111351537.9A CN202111351537A CN114389355A CN 114389355 A CN114389355 A CN 114389355A CN 202111351537 A CN202111351537 A CN 202111351537A CN 114389355 A CN114389355 A CN 114389355A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
- H02J13/0004—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0092—Details of emergency protective circuit arrangements concerning the data processing means, e.g. expert systems, neural networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Artificial Intelligence (AREA)
- Evolutionary Computation (AREA)
- Human Computer Interaction (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a centralized GOOSE interlocking device in the technical field of substation error prevention, which comprises two centralized GOOSE interlocking devices respectively serving as a host machine and a standby machine, wherein the two centralized GOOSE interlocking devices are connected to a station control layer network, a plurality of interval measurement and control devices are further connected to the station control layer network, the host machine and the standby machine receive interval internal information collected by the interval measurement and control devices and then calculate an interlocking result, only the host machine feeds the interlocking result back to the interval measurement and control devices, and the states of the host machine and the standby machine can be switched between the two centralized GOOSE interlocking devices. The invention can run two sets of centralized GOOSE interlocking devices with the same configuration in a master-slave mode, and reduces the influence of overhauling and extension on power failure of related intervals as much as possible through switching the master and slave machines.
Description
Technical Field
The invention relates to a centralized GOOSE interlocking device, and belongs to the technical field of transformer substation error prevention.
Background
Switches, disconnecting links, grounding switches and the like which operate in an electric power system are often switched on and off according to the change of an operation mode and the requirement of maintenance and repair. In order to ensure the safety and reliability of the operation process, the possible misoperation must be avoided by establishing a corresponding interlocking rule. Interlocking logic of each interval in the transformer substation is generally distributed in corresponding measurement and control devices, some measurement and control devices may also involve interlocking across intervals, and signals for other interval measurement and control need to be received to participate in the interlocking logic. Under the scheme, when the measurement and control devices in a certain interval are overhauled or a new interval is expanded, the measurement and control devices related to the cross-interval information need to be in power-off cooperation. In order to reduce the power failure influence on the related intervals during maintenance and extension as much as possible, a new interlocking implementation scheme needs to be designed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a centralized GOOSE interlocking device, wherein two sets of centralized GOOSE interlocking devices with the same configuration run in a main and standby mode, and the effect of power failure influence on relevant intervals caused by maintenance and extension is reduced as much as possible by switching the main and standby machines.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
the invention provides a centralized GOOSE interlocking device which comprises two centralized GOOSE interlocking devices respectively serving as a host machine and a standby machine, wherein the two centralized GOOSE interlocking devices are connected to a station control layer network, a plurality of interval measurement and control devices are further connected to the station control layer network, the host machine and the standby machine receive interval internal information collected by the interval measurement and control devices and then calculate interlocking results, only the host machine feeds the interlocking results back to the interval measurement and control devices, and the state of the host machine and the state of the standby machine can be switched between the two centralized GOOSE interlocking devices.
Furthermore, a monitoring system is connected to the station control layer network, and the interval measurement and control devices and the host respectively transmit the acquired interval internal information and the calculated interlocking result to the monitoring system through the station control layer network.
Further, the centralized GOOSE interlocking apparatus comprises:
the input plug-in unit receives an electric input signal outside the centralized GOOSE interlocking device and then sends the input signal to the CPU plug-in unit through the CAN bus;
the CPU plug-in receives the opening signal sent by the opening plug-in to participate in the interlocking logic and then sends the opening signal to the monitoring system through the station control layer network;
the method comprises the steps of opening a plug-in unit, outputting locking and warning lamp signals of the centralized GOOSE interlocking device, and monitoring the running state of the centralized GOOSE interlocking device;
the human-computer interface plug-in is connected with the CPU plug-in and used for displaying the output result of the CPU plug-in;
and the power supply plug-in supplies power to the centralized GOOSE interlocking device.
Further, the CPU plug-in includes:
the DSP core acquires switching value and analog quantity signals required by the interlocking logic, calculates the interlocking logic of the whole station, sends an interlocking logic calculation result to each interval measurement and control device, and sends the interlocking calculation result and the switching value and analog quantity signals to the CPU core through the HTM bus;
and the CPU core sends the switching value and analog quantity signals and the interlocking calculation result to the man-machine interface plug-in unit for man-machine interface display, and sends the interlocking calculation result to the monitoring system for monitoring.
Further, the CPU core communicates with the monitoring system through an Ethernet by using an IEC61850 protocol, and uploads the total station interlocking calculation result.
Furthermore, the interlocking calculation result is displayed on a human-computer interface through liquid crystal menu information or an LED indicator lamp.
Further, the analog quantity signal is a current voltage and a power value of a power line of the power system, and the switching quantity signal is a switch, knife switch position information and a hard node signal.
Further, the states of the main and standby machines among the centralized GOOSE interlocking devices are switched by the monitoring system through issuing remote control commands or modifying parameters.
Furthermore, the centralized GOOSE interlocking device responds to the maintenance of the interval measurement and control devices and the normal operation of the centralized GOOSE interlocking device, acquires corresponding information belt maintenance quality, only locks corresponding interlocking logics, and keeps the interval measurement and control devices of other intervals in uninterrupted power supply; and in response to the overhaul of the centralized GOOSE interlocking device and the normal operation of the interval measurement and control device, keeping the interlocking logic not locked and participating in logic judgment according to the actual state.
Furthermore, when the centralized GOOSE interlocking device responds to the new interval, the newly added interlocking logic configuration is downloaded to the standby machine, and after the standby machine is switched to operate as the host machine, the newly added interlocking logic is downloaded to the original host machine, so that the synchronous upgrade of the configuration files of the standby machine is completed.
Compared with the prior art, the invention has the following beneficial effects:
in view of the above, an embodiment of the present invention provides a centralized GOOSE interlocking device, which collects switch and disconnecting link position information used by a total station interlocking logic and some key monitoring measurement information (analog quantity and switching quantity), integrates each interval interlocking logic into an independent device to implement, and only receives an interlocking result sent by the centralized GOOSE interlocking device by an interval measurement and control device; two sets of centralized GOOSE interlocking devices with the same configuration operate in a master-slave mode, each set of device comprises interlocking logic of a total station, and the influence of overhauling and extension on power failure of relevant intervals is reduced as much as possible through master-slave machine switching.
The centralized GOOSE interlocking device provided by the invention is characterized in that a CPU core for processing human-computer information display and communicating with a monitoring system and a DSP core for processing total station interlocking logic are integrated into a CPU plug-in, wherein the CPU core completes the display of human-computer information and the communication function with the monitoring system, the DSP core completes the acquisition of switching value and analog value signals required by the interlocking logic, the calculation of all interval interlocking logic and the issuing of interlocking results, and the CPU core and the DSP core exchange data through an HTM bus.
Drawings
Fig. 1 is a schematic structural diagram of a centralized GOOSE interlocking device provided in an embodiment of the present invention;
FIG. 2 is a schematic diagram of a CPU plug-in according to an embodiment of the present invention;
fig. 3 is a schematic system structure diagram of a centralized GOOSE interlocking apparatus according to an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example (b):
as shown in fig. 1, the centralized GOOSE interlock 10 includes: CPU plug-in 110, plug-in 120, plug-out 130, man-machine interface plug-in 140, power plug-in 150 and CAN bus 160 (controller area network), CPU plug-in 110, plug-in 120, plug-out 130 are all connected with CAN bus 160 that accomplishes data transmission, wherein:
the CPU plug-in 110 is configured to receive the open signal sent by the open plug-in 120 to participate in the interlock logic, and to display or send the open signal to the monitoring system 12;
the access plug-in 120 is used for receiving an electrical access signal outside the centralized GOOSE interlocking device 10, and sending the access signal to the CPU plug-in 110 through the CAN bus 160, and the access signal CAN be used as a switching handle on a screen cabinet for purposes of overhaul, remote local switching, master/slave switching and the like;
the output plug-in 130 is used for locking the centralized GOOSE interlocking device and outputting warning light signals, and is used for monitoring the operation state of the centralized GOOSE interlocking device 10 itself, where the CPU plug-in 110, the output plug-in 120, and the output plug-in 130 may be implemented by a Digital Signal Processor (DSP), a Microprocessor (MPU), a Central Processing Unit (CPU), or a programmable gate array (FPGA) chip, etc. located in the centralized GOOSE interlocking device 10 in practical application;
the human-machine interface plug-in 140 is connected to the CPU plug-in 110, and is configured to display an output result of the CPU plug-in 110, where the human-machine interface plug-in 140 may be a display device such as a display screen, and the output result includes some opening signals collected by the centralized GOOSE interlocking apparatus 10 and total station interlocking logic output signals calculated in real time;
the power plug 150 is used to provide power to the centralized GOOSE interlock device 10, and the power plug 150 may be ac/dc power.
It should be noted that the CPU plug-in 110 is further configured to perform data communication with the interval measurement and control device 11 and the monitoring system 12, where the interval measurement and control device 11 and the monitoring system 12 are devices other than the centralized GOOSE interlocking device 10; specifically, the CPU plug-in 110 and the interval measurement and control device 11 exchange information in a GOOSE manner through a station level network, and an interface may be an optical fiber interface or an electrical network interface. The interval measurement and control device 11 sends the collected switch, knife switch position information, switching value information (hard nodes) and analog quantity information (amplitudes of voltage, current power and the like) to the CPU plug-in 110 through GOOSE, and meanwhile, the CPU plug-in 110 sends the calculated interlocking result to the interval measurement and control device 11 through GOOSE; how to exchange data through GOOSE belongs to the prior art, and is not described herein in detail.
The CPU plug-in 110 is also connected to the monitoring system 12 through the station control layer network, and the interlock result calculated by the CPU plug-in 110 can be sent to the monitoring system 12 through the station control layer MMS to display data, and display the interlock state of the operation object in real time. The monitoring system 12 may also switch the master/standby state of the centralized GOOSE interlock device 10 by issuing a remote control command or modifying a parameter.
The specific structure of the CPU card 110 is shown in fig. 2, and includes: a CPU core 21, a DSP core 22, and an HTM bus 23; wherein:
the CPU core 21 is used for displaying human-computer information and communicating with the monitoring system 12, the displaying of the human-computer information comprises displaying of a human-computer interface of switching value and analog quantity signals and interlocking calculation results, the communicating with the monitoring system 12 comprises uploading the interlocking calculation results to the monitoring system 12 for monitoring, and the CPU core 21 communicates with the monitoring system 12 through an Ethernet by using an IEC61850 protocol to realize uploading of the total-station interlocking calculation results;
the DSP core 22 is configured to acquire switching value and analog value signals required by the interlock logic, implement calculation of the total station interlock logic, and issue the calculated interlock logic result to each interval measurement and control device 11, where the analog value signals are generally current voltage and power value of a power line of the power system, the switching value signals are generally switch, switch position information, and hard node signals, and acquisition and transmission of these signals belong to the prior art, and are not described herein any more, and here, the DSP core 22 sends the interlock calculation result, the switching value and the analog value signals to the CPU core 21 through the HTM bus 23, implement human-computer system display of the interlock calculation result information, and human-computer system display of the interlock calculation result may be implemented by using liquid crystal menu information or LED indicator lights, and is not described herein any more;
the HTM bus 23 is used for data interaction between the CPU core 21 and the DSP core 22.
The system structure diagram of the centralized GOOSE interlocking device of the present invention is shown in fig. 3.
And (4) acquiring information in each interval from interval measurement and control 1 to interval measurement and control n, and sending the information to the monitoring system on an MMS station control layer network. The interval measurement and control sends signals required by interlocking logics such as switches and disconnecting links to the centralized GOOSE interlocking device in a GOOSE mode through the station level network, and receives an interlocking result sent by the centralized GOOSE interlocking device.
The interlocking logic configuration of the centralized GOOSE interlocking device host machine and the centralized GOOSE interlocking device standby machine are completely the same as the GOOSE receiving and sending configuration files, the interlocking logic is calculated independently in real time, the centralized GOOSE interlocking device host machine sends the interlocking result to each interval measurement and control device in a GOOSE mode, and the standby machine does not send the interlocking result.
The two centralized GOOSE interlocking devices collect the same switching value information (generally in a hard-open mode and a handle mode), the information obtained by switching value information input and negation is respectively used as the input of the two devices, the device with the input value of 1 is used as a host, and the device with the input value of 0 is used as a standby. When the switching value information is switched, the host computer is lowered to be the standby computer, and the original standby computer is raised to be the host computer. The switching of the main machine and the standby machine can also be realized by modifying a fixed value from the monitoring main station or by a remote control mode.
When a certain interval measurement and control device n overhauls and the centralized GOOSE interlocking device normally operates, the centralized GOOSE interlocking device acquires the overhaul quality of an information band corresponding to the interval, corresponding interlocking logic is locked at the moment, and measurement and control of other intervals do not need power failure coordination; when the centralized GOOSE interlocking device overhauls and the interval measurement and control device n normally runs, the interlocking logic is not locked, and the interlocking logic normally participates in logic judgment according to the actual state.
When a new interval is expanded, the newly added interlocking logic configuration is downloaded to the standby machine of the centralized GOOSE interlocking device, then the main machine and the standby machine are manually switched, and the standby machine is upgraded to the main machine to run. And then, the newly added interlocking logic is downloaded to the original host to complete the synchronous upgrade of the configuration files of the main and standby machines, thereby completing the interlocking upgrade brought by interval extension and achieving the purpose of no power outage.
In summary, the invention provides a centralized GOOSE interlocking device, which realizes the interlocking logic function of the intervals of the whole substation under the condition of utilizing the existing network structure in the substation, and two sets of centralized GOOSE interlocking devices with the same configuration run in a master-standby mode, thereby effectively solving the problem that other intervals need to be matched with power failure during interval measurement and control maintenance and interval extension.
In the embodiment of the present invention, the CPU core 21 for processing human-computer information display and background communication and the DSP core 22 for processing the interlocking logic of the total station are integrated into one CPU plug-in 110, and data is exchanged between the two cores through the HTM bus 23. The CPU core 21 completes the display of the interlocking result, the switching value, the analog quantity and other information and the communication function with the monitoring system, the DSP core 22 completes the acquisition of the switching value and the analog quantity information, the calculation of the interlocking logic of the whole station and sends the interlocking calculation result to each interval measurement and control device, and each interval measurement and control device completes the interlocking judgment of an operation object according to the received interlocking calculation result, thereby realizing the interlocking function of all intervals of the whole station.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a centralized GOOSE interlock, characterized by includes two centralized GOOSE interlocks as host computer and stand-by machine respectively, and the two all connects on station control layer network, it still is connected with a plurality of interval measurement and control devices on the station control layer network, host computer and stand-by machine all receive the interval inner information back calculation interlock result that each interval measurement and control device gathered, and only the host computer feeds back each interval measurement and control device, two with the interlock result switchable main and stand-by machine state between centralized GOOSE interlocks.
2. The centralized GOOSE interlocking device as claimed in claim 1, wherein a monitoring system is further connected to the station control layer network, and each of the interval measurement and control devices and the host computer respectively send the collected interval internal information and the calculated interlocking result to the monitoring system through the station control layer network.
3. The centralized GOOSE interlock as recited in claim 2, wherein said centralized GOOSE interlock comprises:
the input plug-in unit receives an electric input signal outside the centralized GOOSE interlocking device and then sends the input signal to the CPU plug-in unit through the CAN bus;
the CPU plug-in receives the opening signal sent by the opening plug-in to participate in the interlocking logic and then sends the opening signal to the monitoring system through the station control layer network;
the method comprises the steps of opening a plug-in unit, outputting locking and warning lamp signals of the centralized GOOSE interlocking device, and monitoring the running state of the centralized GOOSE interlocking device;
the human-computer interface plug-in is connected with the CPU plug-in and used for displaying the output result of the CPU plug-in;
and the power supply plug-in supplies power to the centralized GOOSE interlocking device.
4. The centralized GOOSE interlock as recited in claim 3, wherein said CPU card comprises:
the DSP core acquires switching value and analog quantity signals required by the interlocking logic, calculates the interlocking logic of the whole station, sends an interlocking logic calculation result to each interval measurement and control device, and sends the interlocking calculation result and the switching value and analog quantity signals to the CPU core through the HTM bus;
and the CPU core sends the switching value and analog quantity signals and the interlocking calculation result to the man-machine interface plug-in unit for man-machine interface display, and sends the interlocking calculation result to the monitoring system for monitoring.
5. The centralized GOOSE interlock as recited in claim 4,
and the CPU core communicates with the monitoring system through an Ethernet by using an IEC61850 protocol and uploads a total station interlocking calculation result.
6. The centralized GOOSE interlocking device as claimed in claim 4, wherein the interlocking calculation result is displayed via liquid crystal menu information or LED indicator.
7. The centralized GOOSE interlock apparatus as claimed in claim 4, wherein said analog signals are the current voltage and power values of the power line of the power system, and said switching signals are the switch, the knife position information and the hard node signal.
8. The centralized GOOSE interlocking apparatus according to claim 2, wherein the states of the master and slave machines in said centralized GOOSE interlocking apparatus are switched by the monitoring system by issuing remote control commands or modifying parameters.
9. The centralized GOOSE interlocking device according to claim 1, wherein the centralized GOOSE interlocking device collects corresponding information band maintenance quality in response to maintenance of the interval measurement and control devices and normal operation of the centralized GOOSE interlocking device, locks only corresponding interlocking logic, and keeps the interval measurement and control devices of the rest intervals in non-power-off cooperation; and in response to the overhaul of the centralized GOOSE interlocking device and the normal operation of the interval measurement and control device, keeping the interlocking logic not locked and participating in logic judgment according to the actual state.
10. The centralized GOOSE interlocking apparatus according to claim 1, wherein said centralized GOOSE interlocking apparatus downloads a new interlocking logic configuration to the standby machine in response to the new interval being expanded, and downloads the new interlocking logic configuration to the original host machine after the standby machine is switched to operate as the host machine, thereby completing the synchronous upgrade of the configuration files of the host and standby machines.
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| CN202111351537.9A CN114389355A (en) | 2021-11-16 | 2021-11-16 | Centralized GOOSE interlocking device |
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| CN202111351537.9A CN114389355A (en) | 2021-11-16 | 2021-11-16 | Centralized GOOSE interlocking device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115140129A (en) * | 2022-09-05 | 2022-10-04 | 卡斯柯信号(北京)有限公司 | Method and device for adjusting train occupation receipt information |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115140129A (en) * | 2022-09-05 | 2022-10-04 | 卡斯柯信号(北京)有限公司 | Method and device for adjusting train occupation receipt information |
| CN115140129B (en) * | 2022-09-05 | 2022-12-09 | 卡斯柯信号(北京)有限公司 | Method and device for adjusting train occupation receipt information |
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