CN112994227A - Modular module and transformer substation monitoring system on spot - Google Patents
Modular module and transformer substation monitoring system on spot Download PDFInfo
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- CN112994227A CN112994227A CN201911285048.0A CN201911285048A CN112994227A CN 112994227 A CN112994227 A CN 112994227A CN 201911285048 A CN201911285048 A CN 201911285048A CN 112994227 A CN112994227 A CN 112994227A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000012545 processing Methods 0.000 claims abstract description 17
- 230000003993 interaction Effects 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims abstract description 15
- 239000013307 optical fiber Substances 0.000 claims abstract description 12
- 238000011065 in-situ storage Methods 0.000 claims description 15
- 230000006978 adaptation Effects 0.000 claims description 11
- 238000004364 calculation method Methods 0.000 claims description 8
- 238000007726 management method Methods 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 43
- 125000006850 spacer group Chemical group 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000007405 data analysis Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000013468 resource allocation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
-
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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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
- 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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- 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
- Y04S40/128—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 involving the use of Internet protocol
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to a combined type on-site module and a transformer substation monitoring system, and belongs to the field of transformer substation monitoring. Wherein the modular in-place module comprises: the sensor access unit is used for connecting a sensor of a transformer substation process layer; the main control unit is connected with the sensor access unit and used for acquiring monitoring data of the sensor access unit and processing the monitoring data; and the Internet of things access unit is connected with the main control unit and is used for accessing the processed monitoring data into the substation bay level through optical fibers. The Internet of things access unit in the combined type on-site module is accessed to the spacing layer in an optical fiber mode, the mode that the original process layer carries out data interaction with the spacing layer through a communication cable is replaced, the use of the communication cable is reduced, and the problems of complex wiring and high cost of the conventional transformer substation are solved.
Description
Technical Field
The invention relates to a combined type on-site module and a transformer substation monitoring system, and belongs to the field of transformer substation monitoring.
Background
At present, an online monitoring system of an intelligent substation adopts a three-layer two-network architecture, as shown in fig. 1, the three layers include a process layer, a spacer layer and a station control layer, and the two networks include a spacer layer network and a station control layer network. Wherein, the process layer equipment and the spacer layer equipment are generally connected through a shielded cable, and a Modbus-RTU communication protocol is adopted. In order to realize the deep monitoring of the whole station, more and more process layer devices are used, so that communication cables required by the construction of the intelligent substation are greatly increased, and the problems of complex wiring and high cost exist.
Disclosure of Invention
The invention aims to provide a combined on-site module and a transformer substation monitoring system, which are used for solving the problems of complex wiring and high cost of the conventional transformer substation.
To achieve the above object, the present invention provides a combined in-situ module, comprising: the sensor access unit is used for connecting a sensor of a transformer substation process layer; the main control unit is connected with the sensor access unit and used for acquiring monitoring data of the sensor access unit and processing the monitoring data; and the Internet of things access unit is connected with the main control unit and is used for accessing the processed monitoring data into the substation bay level through optical fibers.
The beneficial effects are that: the Internet of things access unit in the combined type on-site module is accessed to the spacing layer in an optical fiber mode, the mode that the original process layer carries out data interaction with the spacing layer through a communication cable is replaced, the use of the communication cable is reduced, and the problems of complex wiring and high cost of the conventional transformer substation are solved.
And the edge processing unit is connected with the main control unit and is used for performing edge calculation on the monitoring data.
The beneficial effects are that: based on the edge processing unit, the combined type in-situ module can perform certain edge calculation and reduce the equipment configuration of the spacer layer.
And the system further comprises a human-computer interaction unit which is connected with the main control unit and used for local query and configuration of local data.
The beneficial effects are that: the combined on-site module integrates a human-computer interaction interface, and can improve the system debugging efficiency and the operation maintenance efficiency.
The system further comprises a protocol adaptation unit, wherein the protocol adaptation unit is arranged between the sensor access unit and the main control unit and is used for realizing identification of the identity information of the sensor and analysis of monitoring data.
Furthermore, the system also comprises a power supply management unit which is used for providing power supply for each unit.
In addition, the invention also provides a transformer substation monitoring system, which comprises a process layer and a spacing layer, wherein the process layer comprises a sensor, the process layer also comprises a combined in-situ module, and the combined in-situ module comprises: the sensor access unit is connected with the sensor of the process layer; the main control unit is connected with the sensor access unit and used for acquiring monitoring data of the sensor access unit and processing the monitoring data; and the Internet of things access unit is connected with the main control unit and is used for accessing the processed monitoring data into the spacing layer through optical fibers.
The beneficial effects are that: the Internet of things access unit of the transformer substation monitoring system is accessed to the spacer layer in an optical fiber mode, the mode that the original process layer carries out data interaction with the spacer layer through a communication cable is replaced, the use of the communication cable is reduced, and the problems of complex wiring and high cost of the conventional transformer substation are solved.
And the edge processing unit is connected with the main control unit and is used for performing edge calculation on the monitoring data.
The beneficial effects are that: based on the edge processing unit, the combined type in-situ module can perform certain edge calculation and reduce the equipment configuration of the spacer layer.
And the system further comprises a human-computer interaction unit which is connected with the main control unit and used for local query and configuration of local data.
The beneficial effects are that: the combined on-site module integrates a human-computer interaction interface, and can improve the system debugging efficiency and the operation maintenance efficiency.
The system further comprises a protocol adaptation unit, wherein the protocol adaptation unit is arranged between the sensor access unit and the main control unit and is used for realizing identification of the identity information of the sensor and analysis of monitoring data.
Further, the interlayer comprises a communication gateway, and the internet of things access unit accesses the communication gateway through an optical fiber.
Drawings
FIG. 1 is a schematic structural diagram of a substation monitoring system in the prior art;
fig. 2 is a schematic structural diagram of a substation monitoring system in an embodiment of the substation monitoring system according to the present invention;
fig. 3 is a schematic structural diagram of a combined localization module in an embodiment of the substation monitoring system according to the present invention;
fig. 4 is a schematic diagram of a flexible bus interface of a combined localization module in an embodiment of the substation monitoring system according to the present invention.
Detailed Description
The embodiment of the transformer substation monitoring system comprises:
as shown in fig. 2, the substation monitoring system of this embodiment includes a process layer, a spacer layer, and a station control layer, where the process layer includes a sensor and a combined in-situ module, the spacer layer includes a communication gateway, and the combined in-situ module of the process layer is connected to the sensor through a cable, so as to obtain monitoring data of the sensor; the combined type on-site module is connected with the communication gateway of the interval layer through optical fibers, so that information interaction between the process layer and the interval layer can be realized.
As shown in fig. 3, the combined in-situ module of this embodiment includes a sensor access unit, a protocol adaptation unit, a main control unit, an edge processing unit, a power management unit, a human-computer interaction unit, and an internet of things access unit, where the sensor access unit is connected to the main control unit through the protocol adaptation unit, and the main control unit is further connected to the edge processing unit, the human-computer interaction unit, and the internet of things access unit, respectively.
The functions of the above units are as follows: the sensor access unit provides a sensor RS-485 signal access interface, has RS-485 network segment segmentation and automatic fault isolation functions, and can adopt an ISO3082DWR chip, an EP4CE10F17C8 chip and an ADM2587E data transceiver; the protocol adaptation unit integrates a Modbus-RTU communication protocol library, is used for realizing identification and data analysis of sensor identity information, and can adopt an STM32F103VCT6 chip; the main control unit is used for system resource allocation, bus maintenance and monitoring the state of each unit, and can adopt an STM32F429IGT6 chip; the edge processing unit is used for sensor data analysis, light-weight edge calculation and sensor algorithm configuration, and can adopt an M6G2C-256LI core board; the power management unit provides a system power supply, has the functions of surge protection, pulse group interference protection, voltage and current detection and the like, and can adopt an LTC1421 controller; the human-computer interaction unit is provided with a high-protection display module for local data on-site query and basic configuration, and can adopt an STM32F103C8T6 chip and a 1.3-inch OLED display screen; the Internet of things access unit performs data interaction with the spacer layer equipment after internally realizing information hardware encryption, and can adopt an E32-433T30S chip, an SC1704Y terminal security chip, an MD-149 product and an ADM2587E data transceiver.
Except the power management unit and the main control unit, other units of the combined local module have power management and data monitoring functions, so that the hot drop and retreat of the unit can be realized, and the unit can be replaced or increased or decreased without power outage.
The combined local module of the embodiment is formed by combining necessary units through flexible bus interfaces, and each unit comprises 4 flexible bus interfaces with redundant design. The units in the combined type on-site module are connected through bus terminals, the traditional fixed backboard design is cancelled, and the function adaptation, combination and expansion are more flexible.
The flexible bus interface implementation principle of this embodiment is shown in fig. 4, and the flexible bus interface includes a driving support layer, a hardware support layer, and a physical interface layer. Wherein at the hardware support layer: the hot switching power supply control loop prevents the voltage from generating high-frequency oscillation by controlling the rising and falling rate of positive and negative voltage, and provides a fault current detection channel for the driving support layer; the surge absorption loop is used for absorbing and suppressing surge current of the bus power supply and preventing the physical interface from being damaged; the data and clock bus switch carries out independent switching control on the data and clock bus by detecting the power state of the bus; in the drive support layer: the fault automatic detection unit analyzes and diagnoses the working state of the hot-plug power supply by detecting the fault current of the hardware support layer and provides auxiliary control and state indication under the fault state; the system fault-tolerant unit realizes the data fault tolerance of bus hot-drop and hot-drop stability by providing a data and clock fault-tolerant mechanism and a data caching and checking mechanism; the automatic reconfiguration unit supports the functions of the program elements such as interconnection, movement, extraction and update, and assists the system fault-tolerant unit to realize the safe reconfiguration of data in the hot-drop/quit process.
In the embodiment, the combined local module realizes the edge processing of the sensor data, so that the interlayer only adopts the communication gateway to carry out simple data interaction, the waste of functions, performance and resources of the interlayer equipment is reduced, and the calculation load of the interlayer equipment is reduced.
In this embodiment, the number of the units of the combined in-situ module can be increased or decreased according to the specific requirements of the project, such as reducing the number of human-computer interaction units or edge processing units.
Combined in-place module embodiment:
the combined in-situ module of the embodiment comprises: the sensor access unit is used for connecting a sensor of a transformer substation process layer; the main control unit is connected with the sensor access unit and used for acquiring monitoring data of the sensor access unit and processing the monitoring data; and the Internet of things access unit is connected with the main control unit and is used for accessing the processed monitoring data into the substation bay level through optical fibers.
The combined on-site module of the present embodiment has been described in the embodiment of the substation monitoring system, and is not described herein again.
Claims (10)
1. A modular in-place module, comprising:
the sensor access unit is used for connecting a sensor of a transformer substation process layer;
the main control unit is connected with the sensor access unit and used for acquiring monitoring data of the sensor access unit and processing the monitoring data;
and the Internet of things access unit is connected with the main control unit and is used for accessing the processed monitoring data into the substation bay level through optical fibers.
2. The modular in-place module of claim 1 further comprising an edge processing unit coupled to the master control unit for performing edge calculations on the monitored data.
3. The combined in-situ module of claim 1, further comprising a human-machine interaction unit connected to the main control unit for in-situ query and configuration of local data.
4. The combined in-situ module of claim 1, further comprising a protocol adaptation unit disposed between the sensor access unit and the main control unit for implementing identification of the sensor identity information and analysis of the monitoring data.
5. The modular in-place module of claim 1 further comprising a power management unit for providing power to the units.
6. A transformer substation monitoring system comprises a process layer and a spacing layer, wherein the process layer comprises a sensor, and the transformer substation monitoring system is characterized in that the process layer further comprises a combined type on-site module, and the combined type on-site module comprises:
the sensor access unit is connected with the sensor of the process layer;
the main control unit is connected with the sensor access unit and used for acquiring monitoring data of the sensor access unit and processing the monitoring data;
and the Internet of things access unit is connected with the main control unit and is used for accessing the processed monitoring data into the spacing layer through optical fibers.
7. The substation monitoring system of claim 6, wherein the combined in-situ module further comprises an edge processing unit connected to the master control unit for performing edge calculations on the monitoring data.
8. The substation monitoring system according to claim 6, wherein the combined local module further comprises a human-computer interaction unit connected to the main control unit for local query and configuration of local data.
9. The substation monitoring system according to claim 6, wherein the combined in-situ module further comprises a protocol adaptation unit, and the protocol adaptation unit is arranged between the sensor access unit and the main control unit and used for realizing identification of the sensor identity information and analysis of monitoring data.
10. The substation monitoring system of claim 6, wherein the bay level comprises a communications gateway to which the internet of things access unit accesses via optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911285048.0A CN112994227A (en) | 2019-12-13 | 2019-12-13 | Modular module and transformer substation monitoring system on spot |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911285048.0A CN112994227A (en) | 2019-12-13 | 2019-12-13 | Modular module and transformer substation monitoring system on spot |
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| CN112994227A true CN112994227A (en) | 2021-06-18 |
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| CN201911285048.0A Pending CN112994227A (en) | 2019-12-13 | 2019-12-13 | Modular module and transformer substation monitoring system on spot |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101465564A (en) * | 2009-01-09 | 2009-06-24 | 北京美兰尼尔电子技术有限公司 | In-situ digitalization method and apparatus for transforming plant primary equipment |
| CN101610003A (en) * | 2009-07-22 | 2009-12-23 | 天津市电力公司 | Digital transformer station secondary system |
| CN102710018A (en) * | 2012-06-06 | 2012-10-03 | 河南省电力公司郑州供电公司 | Automatic system for digital substation |
| CN103475092A (en) * | 2013-08-29 | 2013-12-25 | 国家电网公司 | Intelligent transformation method for traditional substation circuit breaker |
| CN104253487A (en) * | 2014-10-13 | 2014-12-31 | 国家电网公司 | Integrated intelligent electronic device of transition layer of intelligent substation |
| CN104715596A (en) * | 2014-12-30 | 2015-06-17 | 国家电网公司 | Method for transmitting data in transformer station |
| CN207117310U (en) * | 2017-08-16 | 2018-03-16 | 中铁第一勘察设计院集团有限公司 | A kind of intelligent traction substation framework |
| CN108282026A (en) * | 2017-12-27 | 2018-07-13 | 河南平高电气股份有限公司 | A kind of high-tension switch gear novel maintenance system |
-
2019
- 2019-12-13 CN CN201911285048.0A patent/CN112994227A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101465564A (en) * | 2009-01-09 | 2009-06-24 | 北京美兰尼尔电子技术有限公司 | In-situ digitalization method and apparatus for transforming plant primary equipment |
| CN101610003A (en) * | 2009-07-22 | 2009-12-23 | 天津市电力公司 | Digital transformer station secondary system |
| CN102710018A (en) * | 2012-06-06 | 2012-10-03 | 河南省电力公司郑州供电公司 | Automatic system for digital substation |
| CN103475092A (en) * | 2013-08-29 | 2013-12-25 | 国家电网公司 | Intelligent transformation method for traditional substation circuit breaker |
| CN104253487A (en) * | 2014-10-13 | 2014-12-31 | 国家电网公司 | Integrated intelligent electronic device of transition layer of intelligent substation |
| CN104715596A (en) * | 2014-12-30 | 2015-06-17 | 国家电网公司 | Method for transmitting data in transformer station |
| CN207117310U (en) * | 2017-08-16 | 2018-03-16 | 中铁第一勘察设计院集团有限公司 | A kind of intelligent traction substation framework |
| CN108282026A (en) * | 2017-12-27 | 2018-07-13 | 河南平高电气股份有限公司 | A kind of high-tension switch gear novel maintenance system |
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Application publication date: 20210618 |