CN113315232B - Control protection system - Google Patents
Control protection system Download PDFInfo
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- CN113315232B CN113315232B CN202110663154.9A CN202110663154A CN113315232B CN 113315232 B CN113315232 B CN 113315232B CN 202110663154 A CN202110663154 A CN 202110663154A CN 113315232 B CN113315232 B CN 113315232B
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- control
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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
- H02J13/00006—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00016—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
- H02J13/00017—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus using optical fiber
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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
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/36—Arrangements for transfer of electric power between ac networks via a high-tension dc link
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a control protection system, which comprises a pole control integrated device; the polar control integrated device comprises a main control board, a first clock board, a polar control measured value receiving board, a first polar control communication interface board, a station control measured value receiving board and a station control communication interface board; the station control measured value receiving board and the pole control measured value receiving board are both connected with an external measuring device, the station control communication interface board is connected with the first pole control communication interface board, the output port of the first clock board is connected with the receiving port of the first clock board, the main control board is connected with the first pole control communication interface board and the station control communication interface board, and the main control board comprises a station control logic processing module and a pole control logic processing module. If necessary, a polar control device can be added and combined with the polar control integrated device. On the premise of ensuring that the system meets the requirements of functions and performance and is stable and reliable, the prior independent station control and pole control devices are integrated, so that the scale and the cost of the product are reduced.
Description
Technical Field
The invention belongs to the field of direct current transmission, and relates to a control protection system.
Background
The existing 12-pulse direct-current transmission control protection system adopts an equipment composition scheme that the system comprises a station control protection (hereinafter referred to as 'station control') device and a pole control protection (hereinafter referred to as 'pole control') device which are mutually independent. These devices all employ several high-performance, high-reliability processors and electronic components, and carry hard real-time embedded real-time operating systems. The related case, processor, interface board, optical fiber and software authorization are generally expensive, the system cost is increased, the price advantage cannot be formed in the field of medium and low voltage direct current transmission with small scale, low voltage level and limited total manufacturing cost, and the market competitiveness and profit margin of the product are influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a control protection system, which integrates the prior independent station control and pole control devices on the premise of ensuring that the system meets the requirements of functions and performance and is stable and reliable, effectively realizes the reuse of part of software and hardware, reduces the quantity of expensive software and hardware, makes the composition structure of the control protection system more compact, further reduces the scale and cost of products and enhances the competitiveness of the products.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
a control protection system comprises a polar control integrated device;
the polar control integrated device comprises a main control board, a first clock board, a polar control measured value receiving board, a first polar control communication interface board, a station control measured value receiving board and a station control communication interface board;
the station control measured value receiving board and the pole control measured value receiving board are both connected with an external measuring device, the station control communication interface board is connected with the first pole control communication interface board, the output port of the first clock board is connected with the receiving port of the first clock board, the main control board is in communication connection with the first pole control communication interface board and the station control communication interface board through the chassis back board, and the main control board comprises a station control logic processing module and a pole control logic processing module.
Preferably, the running beats of the station control logic processing task and the pole control logic processing task are consistent.
Preferably, the light emitting channel of the station control communication interface board is connected to the light receiving channel of the first polar control communication interface board, and the light emitting channel of the first polar control communication interface board is connected to the light receiving channel of the station control communication interface board.
Preferably, the pole control integrated device is connected with a plurality of pole control devices, each pole control device comprises a main control board, a second clock board, a pole control measurement value receiving board and a second pole control communication interface board, an output port of a first clock board of the pole control integrated device is connected with a receiving port of a second clock board of the pole control device, and the second pole control communication interface board of the pole control device is connected with a station control communication interface board of the pole control integrated device.
Furthermore, the pole control integrated device is connected with an operator station and an engineer station, the pole control integrated device and the pole control device are both connected with one converter valve monitoring device, and each converter valve monitoring device is connected with one converter valve.
Still further, the converter valve adopts a 12-pulse converter valve.
Preferably, the main control board, the first pole control communication interface board and the station control communication interface board are in communication connection through the chassis back board.
Compared with the prior art, the invention has the following beneficial effects:
the invention integrates the station control device and the pole control device by adding the station control measurement value receiving board and the station control communication interface board in the pole control device, wherein part of data and signals related to the station control function can be multiplexed with the pole control device, data which cannot be provided by the pole control device is provided by the station control communication interface board, and the station control logic processing function and the pole control logic processing function are completed by the same control board card. By carrying out compact design on the control protection system, the configuration of software and hardware of the system is reduced, so that the control protection system is more miniaturized, and the product cost is effectively reduced.
Drawings
FIG. 1 is a schematic diagram of a control and protection system according to the present invention;
FIG. 2 is a schematic diagram of a polar integrated device according to the present invention;
FIG. 3 is a schematic diagram of the clock board connection of the present invention;
fig. 4 is a schematic diagram of the connection of the interface board of the present invention.
Wherein: 1-operator station; 2-engineer station; 3-a polar control integrated device; 4-a polar control device; 5-converter valve monitoring equipment; 6-12 pulse converter valves; 7-a main control panel; 8-a first clock board; 9-a polar control measured value receiving plate; 10-a first pole control communication interface board; 11-a station control measured value receiving board; 12-station control communication interface board; 13-a second clock board; 14-second polarity communication interface board.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
for the explanation of the proper terms in this application, the pulse: pulse current; hard real time: there is a rigid, unchangeable time limit, not allowing any errors exceeding the time limit; station control: the method aims at controlling and protecting an alternating current field, a direct current field and the like in a direct current transmission system; polar control: control and protection for poles and converters in a DC power transmission system
As shown in fig. 1, the control and protection system according to the present invention includes an operator station 1, an engineer station 2, a pole control integration device 3, a pole control device 4, a converter valve monitoring device 5, and a 12 pulse converter valve.
The system comprises a complete 12-pulse direct-current power transmission control system, a pole control integrated device 3, an independent pole control device 4, a group of 12-pulse converter valves 6, a logic upper station control device and a pole control device, wherein the pole control integrated device 3 and the pole control device 4 correspond to each other. The pole control integrated device 3 and the pole control device 4 are provided with a main control board 7, a clock board, a pole control measurement value receiving board, a pole control communication interface board (PC board) and the like, wherein the main control board 7 is used as a master station to communicate with other board cards. As shown in fig. 2, the polar control integrated device 3 can be formed by adding a part of board cards on the basis of the configuration of the polar control device 4, and the added board cards include a station control measured value receiving board 11 to obtain measured values required by the station control device but not provided by the polar control device 4; and a station control communication interface board 12(SC board) for communicating the station control layer and the pole control layer to realize data transmission between the two control layers.
The station control measured value receiving board 11 and the pole control measured value receiving board 9 are both connected with an external measuring device.
The polar control device 4 comprises a main control board 7, a second clock board 13, a polar control measurement value receiving board 9 and a second polar control communication interface board 14.
The station control device and the pole control device 4 are integrated, namely the station control function is integrated into one set of pole control device 4 to obtain the pole control integrated device 3, so that the control protection system is more compact, and the product cost is reduced.
As shown in fig. 3, one of the output ports of the first clock board 8 in the polarization control integrated device 3 is connected to the receiving port of the second clock board 13 in the polarization control device 4, and the other output port of the first clock board 8 is connected to its own receiving port. The clock board of the polar control integrated device 3 sends two paths of completely consistent clock synchronization signals through optical fibers, one path is sent to a receiving port of the clock board, and the other path is sent to a receiving port of the clock board of the polar control device 4. After receiving the synchronization signal, the clock boards of the polar control integrated device 3 and the polar control device 4 transfer the signal to the main control board 7, so as to realize the synchronization of the control beats of the station control processing task and the polar control processing task.
As shown in fig. 4, the light emitting channels of the station-controlled communication interface board 12 are connected to the light receiving channels of the first and second poled communication interface boards 10 and 14, and the light emitting channels of the first and second poled communication interface boards 10 and 14 are connected to the light receiving channels of the station-controlled communication interface board 12. The station control communication interface board 12(SC board) of the pole control integrated device 3 performs data transmission with the first pole control communication interface board 10(PC board) and the second pole control communication interface board 14(PC board) of the pole control device 4, respectively, through optical fibers.
The main control panel 7 of the pole control integrated device 3 comprises a station control logic processing module and a pole control logic processing module, and from the software perspective, namely, a station control logic task and a related interface are added on the basis of a pole control logic processing task by a program of the main control panel 7, and the station control logic task and the pole control logic processing task are independent and not influenced mutually, so that the station control and the pole control can realize an integrated function by directly using the existing hardware and program in the integration process; the main control board 7 communicates with a station control communication interface board 12(SC board), and data is processed by a station control task. The running beats of the station control logic processing task and the pole control logic processing task are consistent.
The converter valves adopt a grouping design, each group of converter valves corresponds to one pole control device, and each pole control device is formed by carrying the various board cards on one case.
The chassis of the pole control integrated device 3 is additionally provided with a station control measured value receiving board 11 and a station control communication interface board 12(SC board). The main control board 7 is connected with a station control measured value receiving board 11 and a polar control measured value receiving board 9, and one part of measured values required by the station control logic comes from the polar control measured value receiving board 9, and the other part of measured values comes from an added station control measured value receiving board 11. The station control communication interface board 12(SC board) is responsible for data communication between the station control layer and the pole control layer, and transmits data such as control commands, target values, and device states.
A light emitting port of a first clock plate 8 of the polar control integrated device 3 is respectively connected with a light receiving port of the first clock plate 8 and a light receiving port of a second clock plate 13, and synchronous pulse signals are transmitted; the station control communication interface board 12(SC board) of the pole control integrated device 3 is connected to the first pole control communication interface board 10 and the second pole control communication interface board 14, and all optical fiber communications adopt a high-speed protocol conforming to international standards to transmit data.
The main control board 7 of the pole control integrated device 3 is provided with a station control logic processing task, and the running time of the station control logic processing task is consistent with that of the original pole control logic processing task. The station control task reads a primary device sampling value from the measurement value receiving board, reads the device running states sent by the first polarity control communication interface board 10 and the second polarity control communication interface board 14 from the station control communication interface board 12(SC board), processes the data, and finally generates a station control command and synchronously sends the station control command to the first polarity control communication interface board 10 and the second polarity control communication interface board 14 through the station control communication interface board 12(SC board).
By carrying out compact design on the control protection system, the configuration of software and hardware of the system is reduced, so that the control protection system is more miniaturized, and the product cost is effectively reduced.
The station control device and the two sets of pole control devices 4 in the 12-pulse direct-current transmission control protection system have control and protection functions, and the station control device is integrated with one set of pole control device 4.
Data and a part of signals related to the station control function are multiplexed with the pole control device 4, and data which cannot be provided by the pole control device 4 is provided by a communication board card additionally arranged in the device.
The station control logic processing function and the pole control logic processing function are completed by the same control board card.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (5)
1. A control and protection system, characterized by comprising a polar integrated device (3);
the pole control integrated device (3) comprises a main control board (7), a first clock board (8), a pole control measurement value receiving board (9), a first pole control communication interface board (10), a station control measurement value receiving board (11) and a station control communication interface board (12);
the station control measured value receiving board (11) and the pole control measured value receiving board (9) are both connected with an external measuring device, the station control communication interface board (12) is connected with a first pole control communication interface board (10), the output port of the first clock board (8) is connected with the receiving port of the first clock board, the main control board (7) is connected with the first pole control communication interface board (10) and the station control communication interface board (12), and the main control board (7) comprises a station control logic processing module and a pole control logic processing module;
the running beats of the station control logic processing task and the pole control logic processing task are consistent;
the light emitting channel of the station control communication interface board (12) is connected with the light receiving channel of the first pole control communication interface board (10), and the light emitting channel of the first pole control communication interface board (10) is connected with the light receiving channel of the station control communication interface board (12);
the polar control integrated device (3) is connected with a plurality of polar control devices (4), each polar control device (4) comprises a main control board (7), a second clock board (13), a polar control measurement value receiving board (9) and a second polar control communication interface board (14), an output port of a first clock board (8) of the polar control integrated device (3) is connected with a receiving port of the second clock board (13) of the polar control device (4), and the second polar control communication interface board (14) of the polar control integrated device (4) is connected with a station control communication interface board (12) of the polar control integrated device (3);
the station control task reads a primary device sampling value from the measured value receiving plate, reads the device running states sent by the first pole control communication interface plate (10) and the second pole control communication interface plate (14) from the station control communication interface plate (12), processes the device running states, and finally generates a station control command and synchronously sends the station control command to the first pole control communication interface plate (10) and the second pole control communication interface plate (14) through the station control communication interface plate (12).
2. The control and protection system according to claim 1, characterized in that the integrated pole control device (3) is connected with an operator station (1) and an engineer station (2), and one converter valve monitoring device (5) is connected to each of the integrated pole control device (3) and the integrated pole control device (4), and one converter valve is connected to each converter valve monitoring device (5).
3. The control and protection system according to claim 2, characterized in that the station control measured value receiving board (11) and the pole control measured value receiving board (9) are each connected to a converter valve monitoring device (5).
4. The control and protection system according to claim 2, characterized in that the converter valve is a 12-pulse converter valve (6).
5. The control protection system according to claim 1, wherein the main control board (7) is communicatively connected with the first pole control communication interface board (10) and the station control communication interface board (12) through a chassis backplane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110663154.9A CN113315232B (en) | 2021-06-15 | 2021-06-15 | Control protection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110663154.9A CN113315232B (en) | 2021-06-15 | 2021-06-15 | Control protection system |
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| CN113315232A CN113315232A (en) | 2021-08-27 |
| CN113315232B true CN113315232B (en) | 2022-05-24 |
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| CN202110663154.9A Active CN113315232B (en) | 2021-06-15 | 2021-06-15 | Control protection system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209948691U (en) * | 2019-03-22 | 2020-01-14 | 北京四方继保自动化股份有限公司 | Bipolar control device of multi-terminal extra-high voltage direct current transmission system |
| CN110994661A (en) * | 2019-11-12 | 2020-04-10 | 许继电气股份有限公司 | Offshore wind power flexible direct current converter station compact control protection configuration method and system |
| CN112290577A (en) * | 2020-10-21 | 2021-01-29 | 广东电网有限责任公司广州供电局 | Communication interface, communication device and method of direct current control system and stable control device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110784015B (en) * | 2019-10-25 | 2021-07-20 | 南方电网科学研究院有限责任公司 | Inter-station communication switching device and method with polarity conversion for three-terminal power transmission system |
| CN112290677B (en) * | 2020-10-21 | 2023-05-12 | 南方电网科学研究院有限责任公司 | Communication interface, interface communication device and method for control system and stability control device |
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2021
- 2021-06-15 CN CN202110663154.9A patent/CN113315232B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209948691U (en) * | 2019-03-22 | 2020-01-14 | 北京四方继保自动化股份有限公司 | Bipolar control device of multi-terminal extra-high voltage direct current transmission system |
| CN110994661A (en) * | 2019-11-12 | 2020-04-10 | 许继电气股份有限公司 | Offshore wind power flexible direct current converter station compact control protection configuration method and system |
| CN112290577A (en) * | 2020-10-21 | 2021-01-29 | 广东电网有限责任公司广州供电局 | Communication interface, communication device and method of direct current control system and stable control device |
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| 海上风电柔性直流送出紧凑型控制保护系统设计方案;田培涛等;《湖北电力》;20200229;第44卷(第1期);第11-19页 * |
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